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A Radio. Prakticka Elektronika magazine
Amaterske Radio magazine
Circuit Cellar magazine
Electronique et Loisirs magazine
Electronique Pratique magazine
Elektor Electronics magazine
Elektronika dla Wszystkich magazine
Elektronika Praktyczna magazine
Everyday Practical Electronics magazine
Evil Genius magazine
Funkamateur magazine
Nuts And Volts magazine
QEX magazine
QST magazine
Radiotechnika Evkonyve magazine
Servo magazine
Stereophile magazine
Радио Телевизия Електроника magazine


Popular audio
Popular car audio
Popular DVDs
Popular faxes
Popular monitors
Popular monoblocks
Popular phones
Popular TVs
Popular video cameras
Popular video recorders and video players

Avest TVs
Beko TVs
Elenberg, Cameron, Cortland domestic radio electronics
Erisson TVs
Gorizont TVs
Rainford TVs
Rekord TVs
Roadstar TVs
Rolsen TVs
Rubin TVs
Vestel TVs
Vitjaz TVs

Power supply units for TV sets and video equipment

Benq-Siemens mobiles
Eastcom mobiles
Ericsson mobiles
Fly Bird mobiles
LG mobiles
Maxon mobiles
Mitsubishi mobiles
Motorola mobiles
Nokia mobiles
Panasonic mobiles
Pantech mobiles
Samsung mobiles
Sharp mobiles
Siemens mobiles
Sony-Ericsson mobiles
TCL mobiles
Voxtel mobiles

Beko household appliances
Braun household appliances
Candy household appliances
Elenberg household appliances
Elica household appliances
Gorenje household appliances
Hansa household appliances
Merloni household appliances
SEB household appliances
Snaige household appliances
Stinol household appliances
Universal household appliances
Whirpool household appliances

Bocsh electric tools
Makita electric tools

Collection of dumps
Correspondence of models and chassis
Horizontal-output transformers by HR company
Horizontal-output transformers by Konig company
Integrated circuits, microcontrollers and transistors
Mechanisms of audio and video equipment
Radio components by Atmel
Radio components by Cirrus Logic
Radio components by Maxim
Radio components by Microchip
Radio components by Mitsubishi
Radio components by Motorola
Radio components by National Semiconductor
Radio components by Panasonic
Radio components by Philips
Radio components by Rohm
Radio components by Samsung
Radio components by Sharp
Radio components by Sony
Radio components by Toshiba
Remote controls for TV sets and monoblocks

Alternative energy sources
Antenna amplifiers
Antennas. HF antennas
Antennas. Metering, adjustment, matching
Antennas. Technology
Antennas. Television antennas
Antennas. Theory
Antennas. VHF-UHF antennas
Assemblies of amateur radio equipment
Audio and video surveillance
Audio equipment
Audio-fidelity and speaker volume controls
Bells and audio simulators
Blenders, frequency converters
Car power amplifiers
Car security and alarm systems
Car. Batteries, chargers
Car. Car electric circuits
Car. Electronic devices
Car. Electronic fuel injection
Car. Ignition
Car. Security and alarm systems
Car. Speedometers and tachometers
Chargers, accumulators, galvanic cells
Citizens' Band radio
Clocks, timers, relays, load commutators
Computer devices
Computer interfaces
Computer moding
Computers. Using CAD programs
Consumer electronics
Crystal filters
Current controllers, voltage and power regulators
Data communication
Digital equipment
Electric installation work
Electric meters
Electric motors
Electric power supply
Electrical safety, fire safety
Electrician's reference book
Electrician's tools
Electricity for beginners
Electronics for home, garden, farmland, hobbies
Equipment protection from emergency operation, uninterrupted power supply units
Field intensity detectors
Filters and matching devices
For a musician
For an electrician
For an inexperienced radio amateur
For radio amateur constructors
For students
Frequency synthesizers
Grounding and neutral grounding
High-frequency power amplifiers
Household appliances
Indicators, detecting devices, metal detectors
Infra-red equipment
Lightning protection
Measuring equipment
Mobile communication
Oscillators, heterodynes
Personal safety
Portable radio stations
Power amplifiers
Power controllers, thermometers, thermostabilizers
Power supply
Power supply units
QRP equipment
Radiation indicators
Radio amateur computation
Radio amateur technologies
Radio control
Radio reception
Radio stations, transceivers
Reference materials
Security and alarm system using mobile communication
Security devices and alarm systems
Signal limiters, compressors
Sound systems
Sound-to-light units
Transistor power amplifiers
Tube power amplifiers
Upgrade of radio stations
Use of microcircuit chips
Various electronic devices
Voltage stabilizers
Voltage transducers, rectifiers, inverters
Welding equipment

Entertaining experiments in chemistry
Entertaining experiments in physics

Articles for builders and handymans
Basics of first aid
Basics of life safety
Big encyclopedia for children and adults
Biographies of famous scientists
Children's science laboratory
Factory technology at home. Simple recipes
Farm tools and mechanisms
For lovers of travel. Tips for tourists
Home workshop
Labour safety
Personal transport. Land, water, air
Radio for beginners
Reference information
Spy gadgets
The art of audio
The art of video
The most important scientific discoveries
Theory of inventive problem solving
Tips for radioamateurs
Wonders of nature
Workbooks, cheat sheets


ORDER OF DIAGRAMS  Order of schematic diagrams and service manuals

World air conditioners
World audio
World car audio
World DVDs
World faxes
World fridges
World microwave ovens
World monitors
World monoblocks
World phones
World photo cameras
World projectors
World TVs
World video cameras
World video recorders
World washing machines

Russian amplifiers
Russian b-w TVs
Russian car audio
Russian color TVs
Russian electrophones
Russian monitors
Russian radio
Russian r-gramophones
Russian tape recorders
Russian testers
Russian video recorders

Assembling the Rubik's Cube
Did you know?
Entertaining experiments at home
Funny puzzles
Interactive flash games
Optical illusions
Spectacular tricks and their solutions


© 2000-2018

Design and support:
Alexander Kuznetsov

Technical maintenance:
Mishell Bulah

Daniel Monchukin

Tatyana Anastasyeva

Natalya Kuznetsova

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Also see Detailed descriptions of articles from magazines:

Packaging of medicines. Standard instruction on labor protection

Packer of goods. Standard instruction on labor protection

Packer. Job description

Packer-cementer. Job description

Packet node

Packing of food products. Standard instruction on labor protection

packing of oil in barrels and small containers. Standard instruction on labor protection

Paddle and boat

Paddle paddle

Padlock protection

Pager for security

Paging device for radio stations

Pain in the ear

Paint for hair

Paint for marble and alabaster

Paint for the protection of iron from rust

Paint for typewriters

Painter for painting cars. Standard instruction on labor protection

Painter. Job description

Painter. Standard instruction on labor protection

Painting a tree

Painting of bulb tubes

Painting of silk

Painting of varnishes and polishes

Painting paints

Painting work. Standard instruction on labor protection

Paints for fabrics

Paints for food substances

Paints solutions


Pair the sound card with a musical instrument

Pair with a computer of a digital multimeter of the 830 series

Pairing of a fire alarm with a cell phone

Pairing the digital multimeter with a computer


Panel shower

Panoramic view in TV


Paper airplanes

Paper and paper clip

Paper bag with double wall - disappearance

Paper boat

Paper chops the pencil

Paper clips connection

Paper dove

Paper Fish

Paper garland

Paper is lifted by a glass of water

Paper Rings

Paper tree

Paper turns into money

Parabolic antennas for PTS



Parachute models

Paradox with a rectangle

Paradox with a square

Paradox with a triangle

Paradox with area

Paradox with rectangle and Fibonacci series

Paraglider Alpha-29

Paraglider for beginners

Parallel connection of circuit elements

Parallel connection of stabilizers 142EN5

Parallel operation of transformers

Parallel phone blocker

Parallel phone blocking device on thyristors

Parallel phone lock

Parallel Port Card for PC

Parallel programmer for AT89

Parameter converter

Parameters of foil materials

Parametric equalizer

Parametric equalizer for modular console

Parametric sensors

Parametric tone control

Paramotor Tatush 120

Parasol - an umbrella antenna for 160 meters


Parking control. Job description

Parking locator on the LM380N chip

Parquet floor. Job description

Parquet floor. Standard instruction on labor protection

Part body guessing

Partial use by policyholders of insurance premiums for the prevention of insured events

Pascal Blaise


Pass with two half decks

Passage of military service

Passenger car

Passenger Transport Controller. Job description

Passing a cigarette through a coin

Passing coin

Passing coins through the bottom of a glass

Passing four coins through a handkerchief

Passing through the board

Passive crossover for bi-amping

Passive crossover for Power Amper NEO-20

Passive hub for twisted pair

Passive loudspeaker protection system

Passive smoking

Passive solar systems. General Provisions

Passive solar systems. Thermal insulation

Passive solar systems. Thermal mass (heat accumulation)

Passive solar systems. Window

Passive tone combo control

Passive tone control classic full

Passive tone control classic simplified

Passive tone control for bass and treble by one knob

Passive tone control for Philips 410

Passive tone control with asymmetric control characteristic

Passive tone control with variable inflection frequencies classic

Passive tone control with variable inflexion rates

Passive tone controls

Pasteur Louis

Pasting the glass to the fist


Patch to the lawn

Pathological anatomy. Crib

Pathological anatomy. Lecture notes

Pathological physiology. Crib

Patina - how to get a touch on copper and bronze

Pause relay to the rear wiper of the car

Pavillion from the croaker

Pavlov Ivan

Payback period of solar collectors

PBX - prefix to computer

PC controls electrical settings

PC interface extender

PC operator. Job description

PC output to headphones

PCB layout technique

PC-based IF amplifier

Peak output power indicator

Peak Rectifier

Pearl and pearl masses

Peas and hats

Peat electrical installations. Acceptance of electrical installations in operation

Peat electrical installations. Application area. Definitions

Peat electrical installations. Cable Lines

Peat electrical installations. Earthing

Peat electrical installations. Electric motors, commutation devices

Peat electrical installations. Overhead power lines

Peat electrical installations. Power supply

Peat electrical installations. Protection

Peat electrical installations. Substations

Peatworking. Standard instruction on labor protection

Peculiarities of labor activity of women and adolescents

Peculiarities of labor safety for youth

Peculiarities of providing self-, mutual and first medical aid in case of mass lesions

Peculiarities of the regulation of the work of youth

Pedagogical psychology. Crib

Pedagogical psychology. Lecture notes

Pedagogy for teachers. Crib.

Pedagogy. Crib

Pedagogy. Lecture notes

Pedal mini boat

Pedal scooter

Pedals instead of oars

Pediatric surgery. Crib

Pediatric surgery. Lecture notes

Pediatrician. Job description



Peg (sheep leg)

Pegasus coupe

Pencil and book

Pencil from the bottle


Pencils for tags of linen

Pencils for writing on glass, porcelain and metal

Pencils in the role of rays

Pencils on glass and porcelain

Pendant Charles

Pendant for toothbrush

Pendulum and tricycle

Pendulum saw

Pendulums with behemoth and bird

Penetrating ball

Penetrating handkerchief



People of what professions live less than others?

Pepper with disappearing coins

Perfect castle

Perfect loop

Perfection of power generators for mini-power plants

Perform copying offset processes. Standard instruction on labor protection

Performance monitoring of labor protection

Performing silvicultural work in lowland conditions. Standard instruction on labor protection

Perfumery of toilet soaps


Period and frequency of oscillations

Periodic Law

Periodic power on

Periodicity and standards of electrical testing of protective equipment


Periscope for a circular view


Permissible continuous current for cables with aluminum conductors with rubber or plastic insulation

Permissible continuous current for wires and cords with rubber and PVC insulation with copper cores

Permissible continuous current for wires with copper conductors with rubber insulation

Permissible continuous current for wires with rubber and polyvinylchloride insulation with aluminum conductors

Permissible continuous current loads on non-insulated wires

Permissible increase in the voltage of the industrial frequency of equipment during operational switching and emergency work

Perpetual motion machine already created?

Perpetual motion machine on permafrost

Perpetual power supply

Personal Assistant to the General Director. Job description

Personal call in CB radio stations

Personal computer

Personal equipment

Personal Magnetism

Personal protective equipment (PPE)

Personal protective equipment in production

Personnel for repair and maintenance of electrical equipment of machines. Standard instruction on labor protection

Personnel for the diagnosis and maintenance of tractors. Standard instruction on labor protection

Personnel in carrying out work on endoscopic diagnostics. Standard instruction on labor protection

Personnel of radio diagnostic units of medical and preventive institutions. Standard instruction on labor protection

Personnel of radionuclide diagnostics departments. Standard instruction on labor protection

Personnel training specialist. Job description

Petrol and benzene varnishes

Petrol motor cutting machine

Petrol station operator. Standard instruction on labor protection

Pharaoh's snakes

Pharmacist and junior pharmacist. Standard instruction on labor protection

Pharmacist in the preparation of medicines. Standard instruction on labor protection

Pharmacist. Job description

Pharmacology. Crib

Pharmacology. Lecture notes

Phase Detector for a wide range of voltages

Phase failure indicator

Phase indicator

Phase indicator - from a syringe

Phase inverse cascade

Phase limiter of the speech signal

Phase measurement with a multimeter

Phase meter

Phase method for calculating the separation filters of loudspeakers

Phase modulator

Phase Power Controller

Phase Power Controller for 12 Volt AC Circuit

Phase power controller on substandard triacs

Phase Preselector

Phase presence indicator

Phase sequence determiner

Phase sequence indicator

Phase shift indicator

Phase skew indicator

Phase Trap

Phase wire indicator

Phaser for electric guitar on operational amplifiers

Phases of rendering medical care to people affected by catastrophes

Phenomenal memory

Philips DVDQ50 DVD player power supplies

Phillips screwdriver

Philosophy of science and technology. Lecture notes

Philosophy. Crib

Philosophy. Lecture notes


Phoenix self-healing fuse


Phone completion

Phone Dial Lock

Phone line protection

Phone message autoreply adapter

Phone Number

Phone Pirate Protection Device

Phone protection


Photo and video shooting in the hike

Photo effect

Photo flasher

Photo light switch

Photochemical mist (smog)

Photocorrespondent. Job description

Photoelectric converters

Photoelectronic alarm clock

Photograph from the laser pointer

Photographer based on laser pointer

Photographer of precision photolithography. Standard instruction on labor protection

Photographer. Standard instruction on labor protection

Photographing a spoon


Photomechanical sensor

Photophone. Sound transmission with a beam of light

Photo-relay on MTX-90

Photo-relay with thyratron on MTX-90

Photoresist exposure setup at home

Photoresist generator


Photosensitive salt - silver chloride

Photo-shot with a pulsating beam


Phototransistor-indicator of smoke


Photovoltaic cells

Photovoltaic systems connected to the network

Photovoltaic systems for water supply and ventilation

Photovoltaic systems with battery

Photovoltaic systems with generators

Physical culture instructor. Standard instruction on labor protection

Physical education classes. Standard instruction on labor protection

Physician of the department (office) of functional diagnostics. Job description

Physician-laboratory assistant. Job description

Physician-physiotherapist. Job description

Physician-statistician. Job description

Physiological bases of labor

Physiological effects of meteorological conditions per person

Physiologist. Job description

Physiology of higher nervous activity

Physiology of the digestive system

PI (Puls Induction) pulsed metal detectors, theory

Pials and confetti

PIC controller controls the motor

PIC controller in car clock

PIC controller interface with computer

Picker for reference and information material. Job description

Picket node

Pick-up of parts and products on the flow (the launcher). Standard instruction on labor protection

Pickups for acoustic guitar

Pierce your finger

Piercing with a steel needle

Piercing with a steel needle (with the descent from the tape)

Piercing with swords

Piezo sensor in burglar alarm

Piezo siren from SP-1

Piezo siren in burglar alarm

Piezoceramic filters

Piezoelectric effect

Piezoelectric filters for SAW

Piezoelectric motors

Piezoelectric sensors

Pig, or an epidemic parotitis


Pikkelny way of processing sheepskins

Pile and jug

Pile node

Piled work. Standard instruction on labor protection

Pinnacle Studio. User guide

Pinnacle Systems board and TV tuners - what is better for capturing?

Pinout common bipolar and field effect transistors

Pinout Ericsson 192

Pinout Ericsson T28

Pinout for different models of mobile phones. Part 1

Pinout for different models of mobile phones. Part 2

Pinout for Nokia 3210

Pinout Motorola V60, V66

Pinout Nokia 2110, 3110, 8110

Pinout Nokia 8210, 8850

Pinout Nokia 8910

Pinout of all connectors on the computer

Pinout of common bipolar and field effect transistors

Pinout of Nokia Cell Phones

Pinout of USB connectors

Pinout Siemens C25 / S25

Pinout Siemens C30

Pinouts of various RS-232 cables


Pirate phone lock

Pirate site

Pirogov Nikolay

Pistol vacuum cleaner

Piston cleaner

Piston heater for diesel fuel

Piston steam machine with swing cylinder

Pitcher Lot

Plain dish

Planck Max

Plane wagon

Planer from the corner

Planet Neptune

Planet Uranus

Planning in the enterprise. Crib

Planning of measures for labor protection and development of programs to improve working conditions and safety in the organization

Plant inhibitors

Plants give off oxygen when breathing

Plants of the desert

Plants of the sea coast

Plants pump water from roots to leaves

Plaster. Job description

Plastering. Standard instruction on labor protection

Plastic bag

Plastic bottle

Plastic container

Plastic masses

Plastic molding

Plastic siphon instead of cast iron

Plastic skis


Plate - grinding wheel

Platinum metals

Platypus is a mammal or a bird?

Play Believe - do not believe it?

Playback amplifier on the chip K157UL1

Player - for two

Player powered by a tree


Playing with the clock

PlayStation: history of development

Plitvice Lakes


Plug-in power plugs

Plug-signaling device

Plumber. Job description

Plumber. Standard instruction on labor protection

Plumbing and sewerage for a holiday home

Plumbing antenna

PMM Wireless Microphone

Pneumatic sailer

Pneumatic tires


Pocket CB radio station

Pocket Multimeter

Pocket oscilloscope up to 1 MHz

Pocket radio Moscow

Pocket receiver for fishing

Pocket siren

Pocket stereo amplifier

Pocket sundial

Pocket torch with LEDs

Pointing device

Poison poisoning by plant poisons


Poisoning by carbon monoxide (carbon monoxide)

Poisoning by poisonous chemicals

Poisoning in children

Poisoning with concentrated acids and caustic alkalis

Poisoning with drugs and alcohol

Poisoning, general principles of diagnosis and medical care

Poisoning. Causes of poisoning. Prevention of poisoning. Carbon monoxide

Poisonous plants

Poisonous trees

Polar and northern plants

Polar lights

Polarity voltage inverter, 12 volts 0.1 amperes

Polaroid camera

Polishing of iron

Political science. Crib


Poloter. Job description

Polyclinic pediatrics. Crib

Polyclinic pediatrics. Lecture notes

Polyethylene insulation

Polyethylene terephthalate film

Polymer film thickness meter


Pond and waterfall in the garden

Popular about biogas

Popular about the device of the lens

Popular connectors of foreign production

Population shelter in protective structures

Porcelain vase

Port node

Portable alarm device

Portable battery-powered generators

Portable bridge for measuring R and C on two transistors

Portable burner

Portable device for electrosleeping

Portable pulse electric welding machine

Portable radio battery test tester

Portable radio station at 28 MHz

Portable radio station at 430-440 MHz

Portable radio station Len in the alarm system

Portable radios at 1215-1250 MHz (on lamps)

Portable rechargeable power source

Portable Smokehouse

Portable Sound System with Universal Power

Portable spot welding machine

Portable transistor radio station at 144-146 MHz (retro)

Portable version of the meter Uke.max

Portable welding machine

Portable welding machine (arc)

Portable, with AM

Porter. Job description

Portrait in a frame

Possible emergencies of a social nature in the territory of Russia

Possible malfunctions

Possible wiring problems, procedures for their elimination and prevention

Postcard Boomerang

Postcard with a secret

Postman for delivery of telegrams. Standard instruction on labor protection

Postman. Job description

Postojna Cave

Posts of Renon

Potapov heat generator - working reactor of cold nuclear fusion

Potato for combating the scum

Potato Forks

Potato planter


Pottery glaze


Powder for baking

Powder for washing Splendid

Powdered firewood as an alternative motor fuel

Powdered rocket engine

Powders for washing

Power adapter with timer, 220/9 volt 250 milliamperes

Power amp for single-channel portable

Power Amplifier (Lamp)

Power Amplifier 60/120 watts on the chip LM4780

Power amplifier at 144 MHz

Power amplifier at 27 MHz

Power Amplifier CB Radio

Power amplifier control unit

Power amplifier cooling fan control

Power Amplifier for CB Radio

Power amplifier for CB radio station (on a lamp)

Power Amplifier for Class 3 Radio

Power amplifier for light-dynamic installation

Power amplifier for QRP operation on low bands

Power amplifier for QRP transceiver

Power Amplifier HF TDA7384A

Power Amplifier KB radio station

Power Amplifier KB Transceiver

Power amplifier on a GU-81M lamp

Power amplifier on bipolar transistors

Power amplifier on complementary transistors with full arm symmetry for both half-waves of the amplified signal and with a double differential cascade at the input

Power amplifier on KP904

Power amplifier on the TDA1552Q chip

Power amplifier on the TDA1562 chip (55 watts)

Power amplifier on the TDA7050 chip

Power amplifier Reshetnikov

Power amplifier transceiver

Power amplifier UM-3 - useful revisions

Power amplifier Vebr

Power amplifier with 5 transistors

Power amplifier with 6 transistors

Power amplifier with a field effect transistor as a source of current for the input stage and elements of the output stage cascade

Power amplifier with balanced differential input stage

Power amplifier with field effect transistor

Power amplifier with three states

Power amplifier with zero quiescent current output stage

Power amplifier, made by bridge circuit

Power Amplifiers (without power transformer)

Power Amplifiers. Part one

Power Amplifiers. Part two

Power and speed controller for single-phase collector motor

Power consumption indicator

Power control 2 kilowatt

Power control for heaters

Power control for hot plates

Power control on the GRN-1-220, 400-2000 watts

Power control on triac

Power control unit on solar cells

Power control with feedback

Power control without interference

Power controller

Power controller 110-215 volts to 2 kilowatts for the active load

Power controller for active-inductive load up to 15 kW

Power controller for electric heaters

Power controller in three parts

Power controller on microcontroller Z8

Power controller on the chip KR1182PM1

Power controller on the K145AR2 chip

Power controllers on the microcontroller

Power controllers on thyristor-transistor generator

Power converter for clock at 60 Hz

Power converters (inverters) for a solar battery or a wind generator

Power diodes

Power Engineer. Job description

Power failure indicator

Power features of white LEDs

Power filter

Power filter for HDD

Power Generator

Power indicators AC

Power Inverter, 12/220 volts 100 watts

Power LEDs from 1.5 volts

Power LEDs from the network 120-230 volts

Power management of active TV antenna

Power management of computer peripherals, 1200 watts

Power meter

Power meter connection

Power Meters of the M-83x series from a single battery

Power mobile communication from the vehicle's on-board network

Power Modules

Power MOSFET transistors

Power MP-3 player RoverMedia Aria-C7 from USB

Power of fluorescent lamps from low voltage direct current sources

Power outages, causes and methods of protection

Power phase regulator on the key field-effect transistor

Power plants based on heat pumps

Power plants using low-temperature energy sources

Power regulator for soldering iron

Power regulator for soldering iron - automatic light illuminator

Power Regulator Improvement

Power Regulator of wide application

Power regulators for active load

Power regulators on the chip KR1182PM1

Power requirements for LEDs

Power source 8W LED bulb for HV9961

Power source for children's electrified toys, 220/12 volts

Power source with auto charger

Power sources for MP3 player and game console

Power stabilizer for portable radio station

Power standards (DIN, RMS, PMPO)

Power station in a backpack

Power supplies for a microdrill

Power supplies for imported transceivers

Power supplies for LCD and LED displays

Power supplies varicap

Power supplies with capacitor voltage divider

Power supplies with PWM stabilizers

Power supplies: micro-power, medium power, high-power

Power supply / charger, 20 volts 5 amps

Power supply + charger for 3 volt devices

Power supply 12 volts for security systems (module 24)

Power supply 220 / 13.8 volts 10 amperes

Power supply and electrical networks. Categories of electrical receivers and ensuring the reliability of electricity supply

Power supply and electrical networks. General requirements

Power supply and electrical networks. Levels and voltage regulation, reactive power compensation

Power supply and electrical networks. Scope, definitions

Power supply control unit

Power supply electrician. Standard instruction on labor protection

Power supply for 12-volt fan from mains

Power supply for 42 V electric soldering iron

Power supply for a fluorescent lamp

Power supply for a fluorescent lamp from 12 volts

Power supply for a fluorescent lamp from a battery

Power supply for analog and digital circuits

Power supply for any design

Power supply for car amplifier, 12 / ± 20 volts 70 watts

Power supply for car transceiver (13.5 V, 20 A)

Power supply for car transceiver, 13 volts 20 amps

Power supply for CB radio station

Power supply for Chizhevsky chandelier

Power supply for electromechanical clocks

Power supply for electromechanical watches such as Glory

Power supply for Ethernet switch D-Link DES-1005D

Power supply for fluorescent lamp

Power supply for foreign TVs

Power supply for home laboratory, 0-30 volts 4 amps

Power supply for imported radiotelephone

Power supply for ionizer

Power supply for KREEN, 220 / 0-50 volts 5 amps

Power supply for LED lamp

Power supply for LED light K48

Power supply for low-power fluorescent lamps

Power supply for low-voltage electric motors from 220 V

Power supply for measuring device on microcircuits

Power supply for measuring instruments

Power supply for multimeter DT-182

Power supply for multimeter M-832 from two batteries

Power supply for multimeter M890G

Power supply for music player, 3.1 volts 260 milliamperes

Power supply for P109

Power supply for portable equipment from USB port

Power supply for radio amateurs, 0-30 volts

Power supply for radio station

Power supply for sick battery

Power supply for the microdrill

Power supply for the transceiver

Power supply for the transceiver from the AT / ATX computer power supply. Part 1

Power supply for the transceiver from the AT / ATX computer power supply. Part 2

Power supply for transceiver from computer power unit

Power supply for TVK-110LM

Power supply for ULF, 1 kilowatt

Power Supply Improvement

Power supply in a desk lamp 220/12 volt 0.5 amperes

Power supply indication block

Power supply monitor SAMSUNG CGM7607L on the chip series KA2S

Power supply of an imported push-button phone with Soviet logic (AON)

Power supply of high power, 100 W

Power supply of low-voltage radio equipment from the network, 3 volts 0.2 amperes

Power supply of PWM controller chip and shutter drivers with stabilized voltage

Power supply of the amplifier of high-frequency on microcircuits and transistors

Power supply of the electromagnetic relay with reduced voltage

Power supply of the testing station

Power supply on chip UCC28810 for LED light 18-48 W

Power supply on the chip LM723, 12 volts 25 amperes

Power supply on the chip LM78H12K, 12 volts 5 amperes

Power supply on the chip TDA4605, 220/12 volts 4 amps

Power supply on the LM723 chip, 0-30 volts 3-5 amps

Power supply on TVK-110 LM, 5-25 volts

Power supply project

Power supply protection device

Power supply scheme for low-voltage fluorescent lamps

Power supply scheme of high-voltage fluorescent light from the battery

Power supply Step, 220 / 5,9,12 Volts

Power supply systems and electric drives of modern camcorders - fault diagnosis, repair

Power supply to multimeter M830

Power Supply Transformer for Power Amplifier

Power supply unit based on solar battery

Power supply unit for low-voltage soldering iron 18 W

Power supply unit on a unified transformer TH46-220-50

Power supply unit on the TDA4605 chip for halogen lamps

Power supply unit with quenching capacitor, 220/3 volts 0.5 ampere

Power supply variant of the antenna amplifier

Power supply with a quenching capacitor, 220/3 volts 0.5 amperes

Power supply with adjustable voltage, 220 / 0-20 volts, 0.4 amp

Power supply with amplifier, 0-5 amps

Power supply with automatic charger on the comparator

Power supply with automatic charger on the comparator, 220/4 volts 0.1 amperes

Power supply with digital indication of voltage and current, 220 / 0-30 volts 5 amps

Power supply with electronic voltmeter, 220 / 0.3-30 volts 1 ampere

Power supply with fixed output voltage values, 4.5-16 / 12-72 volts 65 milliamperes

Power supply with galvanic isolation

Power supply with galvanic isolation from the network on optocouplers

Power supply with light indication of voltage

Power supply with microcontroller control, 0-25 volts

Power supply with overcurrent protection

Power supply with pre-regulator, 1.5-25 volts

Power supply with protection against overloads and short circuits from simple details of past years

Power supply with short-circuit protection system

Power supply with short-circuit protection, 0-12 volts 400 mA

Power supply with short-circuit protection, 12 volts

Power supply with smooth inversion of the output voltage, 12-15 / 5 volts

Power supply with smooth inversion of voltage

Power supply with smooth polarity reversal, + 12 / -12 volts

Power supply with timer

Power supply, 0-12 volts 0.3 amp

Power supply, 12 volts 20 amperes

Power supply, 12 volts 6 amps

Power supply, 127-220 / 9 volts 25-30 milliamperes

Power supply, 1-29 volts 2 amps

Power supply, 13.8 volts 20 amps

Power supply, 13.8 volts 20-25 amps

Power supply, 220/3 volts 0.2 amperes

Power supply, 60 volts 0.1 amperes

Power supply-timer, 220/9 volts 1 ampere

Power switch on a TIR transistor

Power switch with remote control

Power transformers at 50 Hz

Power unit with low-temperature Stirling engine and vortex tube

PowerAmper 250 Amplifier

Powered by a flashlight

Powerful 24/12 volt power converter with high efficiency

Powerful 2x50 watts pulse ULF class D

Powerful AC breaker

Powerful amplifiers with A +

Powerful bipolar stabilized power supply, 2x44 volts 4 amperes per channel

Powerful bipolar voltage stabilizer for UMZCH

Powerful Class D amplifier

Powerful controlled rectifier on thyristors, 220 / 0.5-15 volts 6 amps

Powerful converter 12/350 volts on the IMS

Powerful converter for flashlight

Powerful converter for powering household electrical appliances, 100 watts

Powerful converter, 12 / ± 30 volts

Powerful DC voltage regulator

Powerful FET switch, 20 amps

Powerful field effect transistor KP784A

Powerful field effect transistors series KP742

Powerful high voltage generator (Kirlian apparatus), 220/40000 volts

Powerful lab power supply on transistors, 220 / 3-30 volts 2 amps

Powerful laboratory power source for repairing electrical equipment and charging batteries, 1.5-30 volts 25 amperes

Powerful laboratory power supply with increased efficiency

Powerful laboratory power supply with OS

Powerful LED lamp

Powerful load current breaker

Powerful low-voltage microwave transistors for mobile communication

Powerful network voltage regulator, 0-218 volts 100 watts

Powerful power supply for LF amplifier, 27 volts 3 amps

Powerful power supply option

Powerful power supply, 13.5 volts

Powerful Power Supply, 220 / 13.6 Volts 20 Amps

Powerful power supply, 220/32 volts 1000 watts

Powerful power supply, rated for up to 10 amperes

Powerful pulse regulator with high efficiency, 8-16 / 5 volts 10 amperes

Powerful Pulse Stabilized Power Supply

Powerful rectifier-limiting diodes series KD2972

Powerful regulator

Powerful regulator on the power of triac

Powerful small-sized voltage converter

Powerful stabilized voltage converter, 90 watts

Powerful stabilizer for the truck, 24 volts 30 amperes

Powerful stabilizer with current protection, 50 volts 5 amps

Powerful stepped AC voltage regulator

Powerful switching power supply, 220 / 2x50 volts 800 watts

Powerful thyristor converter, 12 / 200-500 volts 500 watts

Powerful transformerless transformer, 5-15 / 10-30 volts 2 amps

Powerful transistor in avalanche mode

Powerful transmitter without additional power amplifier

Powerful tube amplifier

Powerful tube amplifier with a deep 80 Watt OOS on 6P3S lamps

Powerful tube amplifier with multi-loop OOS

Powerful UHF 38 MHz

Powerful voltage converter 12/350 V with pulse generator

Powerful voltage converter 12/5 volts according to a simple scheme

Powerful voltage converter for car amplifier

Powerful voltage converter on thyristors

Powerful voltage converter on thyristors, 12 / 200-500 volts 500 watts

Powerful voltage converter, 12/220 volts 700 watts

Powerful voltage regulator for wind turbines

Powerful voltage regulator, 5-30 volts 5 amps

Powerful voltage regulators with current protection

Powerful, stabilized DC voltage converter for powering network equipment

Powering the laptop from the power supply of the old TV

Powering the radio equipment from the vehicle's on-board network

Power-off timer for Electronics MMTS-01

Power-on indicator

Practical acquaintance with the digital microcircuit

Practical application of operational amplifiers. Part one

Practical application of operational amplifiers. Part Three

Practical application of operational amplifiers. Part two

Practical application of the 555 timer

Practical designs of DJ9BV antennas for 144 MHz band

Practical methods of working with a metal detector

Practical schemes of narrow-band power amplifiers on FETs

Practical tips for installing photovoltaic modules

Practical use of geothermal water

Preamp with split frequency response

Preamplifier on chip KR140UD1B

Preamplifier on K140UD1B chip

Pre-amplifier on two ECC83 lamps

Pre-amplifier with active volume and tone controls

Pre-amplifier with electronic control

Preamplifier with Toneblock

Preamplifier-shaper for FC250 frequency meter


Precipitation (rain, fog, hail, snow)

Precise polarity converter

Precision displacement meter

Precision heat regulator 11-24 / 6 (2.5) volts

Precision high-stability resistors PANASONIC

Precision voltage or current indicator

Predefined amplifier for powerful triode output stages of lamp UFCDs

Predicting cards

Prediction in an envelope

Prediction of a stack of cards

Prediction of the sum

Prediction of the weather at sea

Prediction of weather

Prediction of weather by clouds, wind and stars

Prediction of weather by plant, insect and animal behavior

Prediction of weather on land

Prediction on the calendar

Predictions with numbers

Prefabricated house-hozblok

Prefix - capacitance meter

Prefix - howler

Prefix Color sound

Prefix for a soldering iron

Prefix for electric guitar

Prefix for frequency meter for measuring C

Prefix for measuring frequency characteristics

Prefix for measuring temperature by digital multimeter

Prefix for pseudo-quadraphonic sound

Prefix for receiving the DMV

Prefix for recording telephone conversations

Prefix for soldering iron

Prefix for Surround effect

Prefix for telephone for dual lines

Prefix for testing transistors

Prefix on the tunnel diode

Prefix stabilizing to VU-1

Prefix to digital voltmeter for resistance measurement

Prefix to frequency meter

Prefix to frequency meter for checking transistors

Prefix to multimeter for temperature measurement

Prefix to NWT for testing LC-circuits

Prefix to the frequency meter for resonance measurements

Prefix to the oscilloscope

Prefix to VCR

Prefix tremolo for electric guitar

Prefix with caller ID for a radiotelephone and a PBX

Prefix with magnetic modulator

Prefix-frequency meter to multimeter

Prefix-GKCH for the bands 300-900 and 800-1950 MHz

Prefix-selector for phone

Preliminary amplifier for color music

Preliminary amplifier on chip K284SS2

Preliminary amplifier on the chip KM551UD2

Preliminary preparation of sheepskins

Preliminary UZCH on microcircuits of series K174

Preliminary UZCH on the chip K174

Preparation of calcareous water

Preparation of caramel from burnt sugar

Preparation of casein glue

Preparation of dammarovy, kopalovy and mastic varnish

Preparation of drying oil without cooking

Preparation of felling areas for felling. Standard instruction on labor protection

Preparation of ferric chloride

Preparation of machine oil

Preparation of pearl essence

Preparation of skidding trails in mountainous conditions. Standard instruction on labor protection

Preparation of soap in a cold way

Preparation of solid soap from drying and semi-drying vegetable oils

Preparation of stearin from soap

Preparation of the board for irradiation

Preparation of the dough. Standard instruction on labor protection

Preparation of toilet soap from previously cooked sound soap

Preparation of toilet soap hot way

Preparation of toilet soap in a cold way

Preparation of varnishes, paints, gesso. Standard instruction on labor protection

Preparation of wax polishes for polishing wooden products

Preparation of xylitol mass

Preparatory work before installation of wiring. Fixing works

Preparatory work before mounting wiring. Marking work

Preparatory work before mounting wiring. Punching work

Preparedness of padding and spreading materials involved in gluing polyurethane foam. Standard instruction on labor protection

Prepareter of padding and flooring materials, engaged in cutting furniture fabrics. Standard instruction on labor protection

Prepareter of padding and spreading materials, engaged in cutting polyurethane foam. Standard instruction on labor protection

Preparing the card for work

Preparing the masses. Standard instruction on labor protection

Pre-sale mechanic. Job description

Pre-school educational institution cook. Job description

Preservation of meat

Preservation of rubber products

Preserving a tree

Preserving fish

President of the association. Job description

Presowing seed potato processing by electric current

Press Secretary (Mass Media Specialist). Job description

Presser for cold presses. Standard instruction on labor protection

Presser of building ceramics. Standard instruction on labor protection

Presser of plastics. Standard instruction on labor protection

Presser of wood products on hot press. Standard instruction on labor protection

Presser of wood products, engaged in gluing parts on installations in the field of high-frequency currents. Standard instruction on labor protection

Pressure cooker

Pressurization for Moskvich

Pre-treatment of fabrics before dyeing

Pre-treatment of metals

Prevention of criminals and ways to protect against it

Prevention of dependence on psychoactive substances

Prevention of electroporations

Prevention of fire safety

Prevention of fires and prevention of burns in road transport. Standard instruction on labor protection

Prevention of infections

Prevention of main and distribution power shields. Standard instruction on labor protection

Prevention of terrorism. Rules of Conduct When Contacting Terrorists

Previously written numbers

Pricing. Crib

Primary hours

Primary quartz watch

Primary school teacher. Standard instruction on labor protection


Principle of operation and characteristics of photoelectric converters

Principle of operation of halogen incandescent lamps

Principle of operation of transformers. Theoretical propositions

Principles and methods of resuscitation

Principles of building powerful LEDs

Principles of energy saving

Principles of ensuring the safety of human interaction with the environment

Principles of obtaining a white LED glow

Principles of organization and tasks of the service of disaster medicine

Principles of rational nature management

Printed circuit boards

Printed circuit boards are easy!



Printing - using electrical tape

Printing inks

Printing machine

Print-parallel editing

Priority switching on and off of loads

PR-manager. Job description

Probability Theory

Probe based on a miniature relay

Probe for checking the installation

Probe generator - amplifier

Probe generator for checking radio equipment

Probe of electrical circuits using computer LPT-port

Probe of oxide capacitors

Probe with advanced features

Probe-comparator for the frequency meter

Problems of modern LEDs

Problems of out-of-sync and capture in MPEG-2

Problems of preserving lead-acid batteries

Procedural nurse. Standard instruction on labor protection

Procedure for calculating the photovoltaic system

Procedure for developing and maintaining emergency response plans

Processing and finishing of sheepskins after drying

Processor of technological capacities. Standard instruction on labor protection

Procurement agent. Job description

Producer of programs. Job description

Producer. Job description

Producing measuring probes

Product dosimeter

Production manager (chef). Job description

Production manager. Job description

Production master. Job description

Production noise and its effect on humans

Production of a hectograph

Production of a small-sized welding transformer

Production of cinder blocks

Production of electronic card

Production of front panels

Production of parts from epoxy resin

Production of printed circuit boards (also with a laser printer)

Production of printing plates of high printing. Standard instruction on labor protection

Production of resin esters

Production of seals, stamps and small printed circuit boards

Production of small-module disk gears

Production of stencil printing plates. Standard instruction on labor protection

Production of strip lines

Production of subwoofers, secrets of masters

Production preparation engineer. Job description

Production vibration and its impact on humans

Products for simultaneous whitening and washing

Professional consultant. Job description

Professional wedding photo. Questions and answers

Progivogannoe device on the chip KR1006VI1

Program Electronic secretary

Program for microprocessor Z80, which provides measurement of the bounce time of relay contacts

Program selector for radio receiver Ishim-003

Programmable code lock

Programmable control automaton

Programmable daisy switch

Programmable frequency synthesizer

Programmable light installation

Programmable thermal stabilizer on the microcontroller

Programmable thermostabilizer

Programmable thermostats

Programmable voltage level generator

Programmer 1C. Job description

Programmer for microcontrollers AT89C51 / 52/55

Programmer for reprogramming printer chips

Programmer P-DS1821 on the microcontroller Z8

Programming AVR microcontrollers in Ubuntu. Part 1

Programming AVR microcontrollers in Ubuntu. Part 2

Programming FLASH memory chips

Programming of modern PIC16, PIC12 on PonyProg

Programming of successive memory chips

Programming PIC processor 16F84

Project Cost Management Manager. Job description

Project Forget-me-nots

Project Management Specialist. Job description

Project Manager. Job description

Projection of the Mercator

Promoter. Job description

Promotion of labor protection

Promotional manager. Job description

Propagation of radio waves

Propane burner

Propellers from foam

Properties of the wind

Property of the jet

Proportional control equipment

Proportional control of the engine cooling fan

Proportional telecontrol system

Proportional thermostabilizer for incubator

Proportional voltage regulator

Pros and cons of buying used metal detectors

Prospects for the use of wind power plants

Protect the pipe from birds

Protect the UPS battery from recharging

Protect your data!

Protecting the control circuit from overload

Protecting... the diet

Protection against electrical current inrush currents

Protection against electromagnetic radiation

Protection against energy impacts

Protection against leakage current

Protection against overcooling

Protection against overcurrent currents

Protection against voltage fluctuations in the electrical network

Protection device

Protection device for a three-phase motor from an incomplete phase mode when the power fuse breaks

Protection device for electrical consumers

Protection device for incandescent lamp

Protection device for inverter converter

Protection device for low-power incandescent lamps

Protection for devices powered by 220 volts

Protection for the charger

Protection from electric shock

Protection from toxic emissions

Protection of acoustic systems from overloads

Protection of automotive incandescent lamps

Protection of bees from varroatosis

Protection of CEA from high-voltage pulses in the network

Protection of electric lighting devices

Protection of electrical networks with a voltage of up to 1 kV. Places for installation of protection apparatus

Protection of electrical networks with a voltage of up to 1 kV. Scope, definitions

Protection of electrical networks with voltage up to 1 kV. Choice of protection

Protection of electrical networks with voltages up to 1 kV. Requirements for protection apparatus

Protection of electronic equipment against surges

Protection of electronic equipment from increasing network voltage

Protection of equipment from increased mains voltage with integrated timer

Protection of equipment from surges in the power supply network to 160 and over 250 volts

Protection of high-power LEDs from excessive current

Protection of household appliances from overvoltage and undervoltage in the electrical network

Protection of imported telephones

Protection of internal electrical networks with voltages up to 1000 V

Protection of iron from rust

Protection of Labor of Communication Workers

Protection of labor of forestry workers

Protection of labor of minors

Protection of labor of workers in housing and communal services

Protection of microwave transistors

Protection of modem and phone

Protection of power supplies against lightning

Protection of radio equipment against overvoltage

Protection of radio equipment from increasing network voltage

Protection of radio equipment from voltage increase in the network

Protection of reservoirs. Impact of pollution

Protection of silver things from tarnishing

Protection of stabilizers

Protection of the antenna amplifier input

Protection of the computer BS

Protection of the dial microchip

Protection of the environment from energy impacts

Protection of the input circuits of radios

Protection of the population in emergency situations

Protection of the power supply unit from faults

Protection of the power supply unit from short circuit

Protection of the pump motor

Protection of the ski kit during transportation

Protection of three-phase electric motor

Protection of three-phase electric motors

Protection of three-phase motors from unbalanced operating modes

Protection of transformer devices against overvoltages

Protective DC power switch

Protective device against short-term power failure

Protective device, 12 volts 1 ampere

Protective earthing for electrical installations

Protective earthing, (zeroing)

Protective microassemblies FOR-0, ZA-1

Protective screens

Protects electricity

Prototyping board option

Providing protection against electric shock when touching indirectly

Providing water in the Arctic

Providing water in the tropics

Provision of emergency response operations

Provision of evacuation in case of fire

Provision of first aid in case of closed injuries

Provision of first aid in case of poisoning

Provision of first aid in case of solar heat shock

Proximity Presence Sensor

Proximity protection of loudspeakers

Proximity switch based on PIR module

PR-specialist. Job description

Pruning with the help of gasoline-powered saws with low-lying handles. Standard instruction on labor protection

PS / 2 to Serial (COM) Mouse Adapter

PS one: circuit diagram

PS one: operation and repair

PSD with separate adjustment in channels

Pseudo-printed editing

Pseudosteore mode on the TV

Pseudo-vadophonic prefix to UZCH

PSPICE models for simulation programs

PSU from the Epson printer for UWCD power supply

Psychoactive substances and mechanisms of drug dependence formation

Psychoemotional reactions to an extreme situation

Psychological help after situations of high danger to life

Psychological moments

Psychologist. Job description

Psychology of personality. Crib

Psychology. Crib

Psychology. Lecture notes

Psychophysiological characteristics of the personality of a safe type of behavior

PTS converter

Public relations. Crib

Pulling mechanic

Pulling the rope out of the viewer's jacket

Pulling the vest inside out

Pulsating faces

Pulse alarm clock light

Pulse Amplifier of Near-Radar System

Pulse and breath monitoring

Pulse Battery Diagnostics

Pulse boost converter

Pulse boost converter for EL

Pulse BP - from the charger

Pulse Charger

Pulse charger for NiCd batteries

Pulse charger with a simple indication of the charging current

Pulse constant voltage regulator, 220/5 volts 2 amps

Pulse converter of mains voltage

Pulse converter, 12/220 volts 100 watts

Pulse expanders

Pulse generator

Pulse generator with independent frequency and duty cycle control

Pulse generator with independent phase control

Pulse generators - elements of sound indication

Pulse generators (multivibrators, auto-generators)

Pulse generators on a flashing LED

Pulse high-frequency voltage converter on the ADP2504 chip

Pulse laboratory power supply on the chip LM2575T-Adj, 15-18 / 1.2-15 volts 1 ampere

Pulse laboratory power supply, 0-30 volts 0.01-5 amps

Pulse link fault locator

Pulse lowering regulator on the chip LT1074

Pulse lowering stabilizer, 35-46 / 5.1-30 volts 4 amperes

Pulse lowering stabilizers

Pulse low-voltage voltage converter

Pulse Metal Detector

Pulse metal detector, theory

Pulse of the Earth

Pulse power source based on the unit from a DVD player

Pulse power supply for 40 watts

Pulse power supply for memory devices

Pulse power supply for UMZCH

Pulse power supply, 5 volts 0.2 amperes

Pulse regulated power supply for lamp equipment

Pulse regulator

Pulse regulator circuit

Pulse regulator of anode voltage

Pulse regulator of the capacitor power supply

Pulse regulators on the PWM controller KR1114EU4

Pulse sequence generator

Pulse stabilized voltage converter, 3.5 watts

Pulse stabilizer for telephone set

Pulse stabilizer with protection, 12.6 volts 1.5 amps

Pulse stabilizer, 12 volts 4.5 amps

Pulse voltage converter from vehicle's on-board network

Pulse voltage converter on the ADP2504 chip

Pulse voltage regulator

Pulse voltage regulator for low-voltage soldering irons

Pulse voltage regulator for low-voltage soldering irons, 5-14 volts 2 amperes

Pulse voltage regulator for phone with caller ID

Pulse voltage regulator on KT825

Pulse voltage regulator on the MC34165P chip

Pulse voltage regulator with increased efficiency

Pulse voltage regulator, 8-60 / 5 volts 2 amperes

Pulse voltmeter

Pulse Wear of MBM Capacitors

Pulse width discriminator

Pulse-width controllers series KR1156EU2 and KR1156EUZ

Pump control node

Pump Control Scheme

Pump disconnect switch

Pumped storage power plant on the energy of sea waves

Pumping bicycle camera

Pumping the ball without a needle

Pumping unused LPG residues from underground reservoirs. Standard instruction on labor protection

Puncture glass

Punished curiosity

Purple mordant for brass items

Purpose and order of development of instructions on labor protection

Purpose of personal protective equipment

Purpose, device, application area of the residual current device

Purpose, main tasks and structure of the RRS


Push-pull amplifier on a 6C4C lamp

Push-pull amplifier on triod pentodes

Push-pull converter for FET transistors, 9-15 / 220 volts 100 watts

Push-pull transmitter for telecontrol

Puskach - micromotor

Put on the rope without touching the ring

Putorana Plateau

Putting on a ring with tied hands

Putty for connecting metal with glass

Putty for drums

Putty for insulators

Putty for joining iron to stone

Putty for metal letters on glass

Putty for red and walnut wood

Putty for rubber products

Putty for water pipes

Putty for window frames

Putty of Professor Mendeleyev

PWM controllers for low-power electric motors

PWM fan speed controller


Pyroelectric alarm in the security system

Pyroelectric effect

Pyroelectric IR sensors

Pyropatron - an element of active vehicle protection


Python knot