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Free online library on electronics Free library:
Encyclopedia of electronics and electrical engineering
Books and magazines
Schematic diagrams and service manuals
Reference books
News of science and technology

Free online library on electronics Free encyclopedia of electronics and electrical engineering:
Alternative energy sources
Assemblies of amateur radio equipment
Audio equipment
Audio-fidelity and speaker volume controls
Ballasts of fluorescent lamps
Bells and audio simulators
Chargers, accumulators, galvanic cells
Citizens' Band radio
Clocks, timers, relays, load commutators
Consumer electronics
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
Equipment protection from emergency operation, uninterrupted power supply units
Field intensity detectors
Fluorescent lamps
For a musician
For an electrician
For an inexperienced radio amateur
For radio amateur constructors
For students
Frequency synthesizers
Grounding and neutral grounding
Halogen lamps
High-frequency power amplifiers
Home, garden, farmland, hobbies
Household appliances
Indicators, detecting devices, metal detectors
Infra-red equipment
Lightning protection
Measuring equipment
Microphones, wireless microphones
Mobile communication
Portable radio stations
Power amplifiers
Power controllers, thermometers, thermostabilizers
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
Sound systems
Sound-to-light units
Upgrade of radio stations
Use of microcircuit chips
Various electronic devices
Voltage stabilizers
Voltage transducers, rectifiers, inverters
Welding equipment

Free online library on electronics Useful articles and background materials:
Art of audio
Art of video
Batteries and rechargeable batteries
Big encyclopedia for children and adults
Biographies of great scientists
Children's scientific lab
Entertaining experiments in chemistry
Entertaining experiments in physics
For builders and handymans
For lovers of travel. Tips for tourists
Fundamentals of health and safety
Fundamentals of medical first aid
History of engineering, technology, objects around us
Home workshop
Industrial technology at home - simple recipes
Labor protection
Lecture notes, cheat sheets
Life of great physicists
Miracles of nature. A fascinating journey around the globe
Spectacular tricks and their solutions
Personal transport: land, water, air
Riddles, puzzles, trick questions
Scale modeling
The most important scientific discoveries
Tools and mechanisms for agriculture
Typical labor protection instructions (Job descriptions)
Visual illusions

Free online library on electronics Free magazines:
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

Free online library on electronics Free audio, video, tvs schematic diagrams and service manuals:
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

Free online library on electronics Free mobiles schematic diagrams and service manuals:
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

Free online library on electronics Free household appliances schematic diagrams and service manuals:
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

Free online library on electronics Free electric tools schematic diagrams and service manuals:
Bocsh electric tools
Makita electric tools

Free online library on electronics Free electric tools schematic diagrams and service manuals:
Bocsh electric tools
Makita electric tools

Free online library on electronics Free reference books:
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

News of science and technology




Order of schematic diagrams and service manuals Order of diagrams

Schematic diagrams to order:
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

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


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Alexander Kuznetsov

Technical maintenance:
Mishell Bulah

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Natalya Kuznetsova

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Free online library on electronics

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Free online library on electronics Free online library on electronics, Free encyclopedia of electronics and electrical engineering

All articles of the Free encyclopedia of electronics and electrical engineering are listed in alphabetical order. For automatic translation of articles into your native language, please use Translate it! form in the top left corner of the page.

Dacha's husband

Dagger node

Daily bread

Daisy HPP

Dalton John

Damage of manners

Damaged Brush

Damaging factors of a nuclear explosion

Damaging factors of sources of natural emergency situations

Damaging factors, medical consequences and possible population losses in case of catastrophes

Damocles sword

Dance of St. Witt (Witt's Dance)

Dance to someone else's pipe

Dancer Fatima

Dancing Cobra

Dancing egg

Dancing from the stove

Dancing glass on the rope

Dancing handkerchief

Dancing match

Dancing on a volcano

Dandruff Candidiasis

Danger of drugs

Danger of the electromagnetic field and protection from its influence

Dangerous age

Dangerous factors of fire and explosion

Dangerous gas detector

Dangers of electricity: real, imaginary and unexplored

Dark People

Dark Water in the Cloud

Darkest Before the Dawn

Darkness and fog

Darkness is pitch

Darkness of Egypt


Darwin Charles

DAS-2 autogyro

Database administrator. Job description

Databases. Lecture notes

Date visible in thoughts

Davenport Cabinet

David and Goliath

Day of the Week on the Palm

Day of the Week

Daylight from the battery

Days past anecdotes

Daytime running of fluorescent lights

DC Amplifier

DC converter generating two voltages

DC electric motor

DC Motor Constant Stabilizer

DC Motor Control

DC motors

DC sources - with your own hands

DC to AC Converter

DC voltage indicator

DC voltmeter with automatic range selection

DC Welding

DC welding

DC-DC converter on an integral timer, 12/40 volts 1 amp

DC-to-DC Charger with increasing voltage

DCU-60 USB cable for Sony Ericsson phones

DDS generator

Dead letter

Dead Souls

Dead Sram Does not Have Anyone

Deaf node

Dear Dongle

Dear friend, what else do you want?

Death is my craft

Death, where is your sting?

Debride the porridge

Debug module for KR1816VE35

Debugger for microcontrollers of the HC908 family

Debugging microcontrollers using a ROM emulator

Debugging module for microcontrollers of MCS51 series

Deceived liars

Deceleration of reactions in gelatin solution

Deception Island

Deceptive fingers

Declarant. Job description

Decoder of a simple remote control system

Decolouring Shellac

Decompose the focus

Decorator of showcases. Job description

Decoupling of power circuits for analog and digital channels

Decoupling strategies for PCB

Decreasing card fan

Decreasing hours

Decreasing maps

Decreasing the resonant frequency of the heads

Decreasing the temperature in the computer's system unit

Decreasing the temperature in the system unit

Deeds of the days gone by, the traditions of the deepest days

Deepwater habitable underwater vehicle

Defectoscopist for magnetic and ultrasound control. A typical safety manual

Defectoscopist. A typical safety manual

Defects of the hidden electrical wiring

Defining discounts and premiums

Deforestation of clearings (clearing trails). A typical safety manual

Degreasing sheepskins and pelts

Degree of dust and moisture protection

Degree of serviceability of the collector motor

Delay of light off in the salon


Delayed sweep in the oscilloscope

Delicious glass cups

Delta Antenna at 144 MHz

Delta antenna at 80 meters + Inverted V at 160 meters

Delta from 10 to 40 meters

Delta of the Volga

Delta-Loop for the 10.1 MHz band

Demercurization activities. A typical safety manual

Demodulator of frequency-manipulated signals on active filters

Demographic problem and the environment

Demolition hammer

Demonstration ultrasound unit

Demonstrator of clothes. Job description

Demonstrator of hairstyles. Job description

Demonstrator of plastic poses. Job description


Demountable inflatable sailing catamaran

Demyanova's ear

Dendy - the generator of test television signals. New version

Dendy: selection, operation, repair

Dental Floss

Dentist. A typical safety manual

Dentist. Job description

Dentist. Job description

Dentistry. Cheat Sheet

Dentistry. Lecture notes

Dependent inclusion of electrical appliances

Dependent load inclusion

Dependent switch for household appliances

Dependent switching on of electric and radio devices

Deprivation of fire and water

Depth metal detector

Depth of detection of objects by a metal detector

Deputy Chief Accountant. Job description

Deputy chief doctor of the hospital for clinical and expert work. Job description

Deputy Chief of the Department of Material and Technical Supply for Production Issues. Job description

Deputy Chief Physician of the Hospital for Surgery. Job description

Deputy Dean of the Faculty. Job description

Deputy Director for Administrative and Economic Work. Job description

Deputy Director for Capital Construction. Job description

Deputy Director for Commercial Affairs. Job description

Deputy Director for Economic Affairs. Job description

Deputy Director for Human Resource Management. Job description

Deputy Director for Production. Job description

Deputy Director for Quality. Job description

Deputy Director for Retail Trade. Job description

Deputy Director for Sports. Job description

Deputy director for teaching and educational work. Job description

Deputy Director for technical part. Job description

Deputy director for the administrative and economic part. A typical safety manual

Deputy Director for Training and Production. A typical safety manual

Deputy Director General of the Trade Enterprise. Job description

Deputy director of the school for academic work. Job description

Deputy director of the store. Job description

Deputy Editor-in-Chief. Job description

Deputy General Director. Job description

Deputy Head for AXO matters. Job description

Deputy Head of the City Administration. Job description

Deputy Head of the Control and Revision Department. Job description

Deputy Head of the Department for work with clients. Job description

Deputy Head of the Department of Foreign Economic Affairs. Job description

Dermatovenereology. Cheat Sheet


Descartes Rene

Descent of the victim from the support of the VL

Descrambler of the coded TV channel

Descriptions of hidden video surveillance devices

Descriptions of VirtualDub filters

Desert of White Sands

Desert orientation

Desert Plants

Design features and design. Adjusting and measuring parameters

Design issues for amplifiers with a common CAB

Design issues of amplifiers with a common DUS

Design of a welding source for semi-automatic welding with a thyristor regulator

Design of an AC power source

Design of instant manufacture of a power source

Designation of foreign radioelements

Designation of grounding systems for electrical installations with voltages up to 1 kV

Designations of imported microcircuits

Designations of imported semiconductor devices

Designations of wire diameter and sheet thickness in foreign editions

Designer (designer). Job description

Designer clothes. Job description

Designer of computer graphics department of video production. Job description

Designer. Job description

Designer-make-up artist. Job description

Designer-visualizer. Job description

Designing a loudspeaker with orthogonal radiation fluxes

Designing an automated access control system

Designing Broadband Transformers

Designing electronic start-ups for fluorescent lamps

Designing low-power SMPS on LNK501 using VDS

Designing Motorcycles

Designing tube amplifiers

Desire - the father of thought

Desired and valid

Desktop Drilling Machine

Desktop Hydroelectric Station

Desktop Lathe

Desktop Melting

Desktop microphone with preamplifier for transceiver

Desktop milling machine

Desktop mock-up of laser communication at 10 Mbit

Desktop Speaker

Desktop Universal

Desmurgy, science and the imposition of bandages

Desperate diseases require desperate means

Despicable metal

Despite the faces

Desulfurizing charger for the car

Desulphurizing Charger Scheme

Detach the ashes from your feet


Details about the subwoofer in your home theater

Detection of a faulty microcircuit of the KR580 series

Detection of carbon dioxide in the exhaled air

Detection sensor

Detector and detection

Detector for an unusual scheme

Detector for finding radio receivers

Detector of battery discharge in the lantern

Detector of battery lights

Detector of infrared radiation

Detector radio

Detector receiver with UZF

Detector VHF receivers

Detectors for PLL receivers

Detergents from plants

Determination of distance by mental sequential deposition of a known segment

Determination of distances by visible details of objects

Determination of parameters and calculation of a power source transformer for semi-automatic welding

Determination of pulse and respiration, their evaluation

Determination of rectangular coordinates on the map and drawing of objects on the map by coordinates

Determination of saturation current of inductors with magnetic cores

Determination of the number of windings of power transformer windings

Determination of the number of windings of transformer windings

Determination of the saturation current of the inductors with magnetic cores

Determinator of the pinout of transistors

Determine without gyroscope

Determining any day of the week in the 21st century

Determining distances by the shadow of the subject

Determining distances from measured angles

Determining distances from the Lionde plate

Determining distances with QTH-locator

Determining the distances in steps

Determining the distances with the help of thousandth

Determining the Doorphone Configuration

Determining the height of the object according to its growth

Determining the power of the wind generator

Determining the section of wires of wires

Determining the sides of the horizon for buildings

Determining the sides of the world according to the Sun and the clock

Determining the sides of the world by the shadow

Determining the Size of Insurance Tariffs

Determining the wave resistance of a line

Determining the width of the river in steps

Determining your own location

Development Director. Job description

Development of a logical probe

Development of a wind power plant construction project

Development of surround sound systems - from monophonic to 3D

Development of technological regulations

Development of telephone set-top boxes on PIC-controllers

Development of the list of works with increased danger

Development of the wind power project

Development of wind-breakage felling areas. A typical safety manual

Developmental Psychology and Developmental Psychology. Lecture notes

Device and principle of operation of light-emitting diodes

Device and repair of the power unit of the PANASONIC KX-F50 fax machine

Device car enthusiast

Device for adding and subtracting two signals

Device for automatic disconnection of household appliances from the power grid

Device for automatic drying of the motor windings

Device for automatic recharging of batteries in the emergency power system

Device for battery maintenance

Device for braking three-phase asynchronous electric motor

Device for charging and accumulating batteries

Device for charging automotive batteries

Device for charging batteries

Device for charging car batteries

Device for charging small batteries

Device for checking and controlling servo drives

Device for checking LCD modules on the basis of HD44780 controller

Device for checking telephone sets

Device for connecting 3-phase motors to a single-phase network

Device for controlling remote objects

Device for delaying the activation and protection of loudspeakers

Device for delaying the inclusion of a refrigerator

Device for delaying the lights off in the car

Device for detecting interturn faults

Device for detecting metal objects

Device for detecting moving metal objects

Device for detecting moving metal objects

Device for detecting water in liquids with high resistivity

Device for determining emotional state

Device for determining the degree of fatigue of the eyes

Device for determining the permittivity of materials

Device for determining the terminals, structure and current transfer coefficient of transistors

Device for dynamic braking of a capacitor motor

Device for fast charging of batteries

Device for fast charging of Ni-Cd and Ni-MH batteries

Device for finding acupuncture points

Device for finding the fault location of the line

Device for finding the place of cable breakage

Device for limiting the starting current of the appliance

Device for listening to magnetic phonograms

Device for load control with one button

Device for local magnetotherapy

Device for magnetic field treatment

Device for maintaining the microclimate in the winter garden - home weather station

Device for maintaining the operating temperature of the heat-inertial loads on the Schmitt trigger

Device for monitoring EPS>

Device for monitoring ignition systems

Device for monitoring small voltage deviations

Device for monitoring the rotation of the cooler (fan, electric motor)

Device for orienting antennas of the DMV

Device for protecting equipment from abnormal network voltages

Device for protecting filaments of incandescent lamps

Device for protecting household appliances from fluctuations in mains voltage

Device for protecting the motor from overheating

Device for protecting the power supply from overload

Device for protecting three-phase consumers

Device for protection of loudspeakers on microcircuits

Device for protection of radio equipment from exceeding mains voltage

Device for protection of three-phase asynchronous motor in case of failure of the fuse

Device for pumping groundwater

Device for reading / writing magnetic cards

Device for recharging batteries

Device for removing static charges from the surface of sheet polymer materials

Device for searching for biologically active points

Device for selecting poison from bees

Device for setting up NTV equipment

Device for single-phase asynchronous motor control

Device for slowing down the action of electromagnetic AC devices when they turn off

Device for smooth start-up of power

Device for soft non-contact inclusion of a kinescope

Device for starting a single-phase electric motor with starting winding

Device for starting three-phase motors in a single-phase network

Device for stripping electrical cables from insulation

Device for targeting the blind

Device for testing batteries

Device for testing electrolytic capacitors

Device for testing high-voltage transistors

Device for testing high-voltage transistors

Device for testing horizontal scan

Device for testing quartz resonators

Device for testing transistors

Device for the discharge of Ni-Cd battery

Device for the prolongation of the life of kinescope

Device for the protection of electricity consumers

Device for the treatment of infrared and laser radiation

Device for thyristor selection

Device for tracking the Sun

Device for tuning antennas Noise bridge R15

Device for tuning KB antennas

Device for tuning radio equipment

Device of alternate inclusion of consumers

Device of passage through walls, intersections of postings

Device of protective load-shedding

Device of the Well

Device Perpetual alarm clock

Device Protection Unit

Device to protect radio equipment from exceeding network voltage

Device to protect the three-phase consumer from changing the phase sequence

Device with intermittent power interruption with long exposure

Devices and lighting fixtures for lighting installations

Devices and systems for emission cleaning

Devices for charging batteries

Devices for the effect of Distortion on field-effect transistors

Devices of exposure to large time intervals

Devices of frequency selection

Devices on logical elements

Devices on the MAX869L chip

Devices with USB

Devil's Advocate

Diagnosis and maintenance of tractors and agricultural machinery. A typical safety manual

Diagnosis of cell phone batteries


Diagnostic codes of BOSCH M1.5.4 and January 5 controllers under the EURO II toxicity standards

Diagnostic tool - route computer

Diagnostic tool for car engine with BOSCH controller

Diagram and detailed description of the self-made power supply

Diagram for powering 5 watt LEDs of LUXEON V type

Diagram of a luminaire with an electromagnetic ballast

Diagram of a single-phase signaling unit

Diagram of a universal frequency radio modem

Diagram of speed control of the DC motor on the map

Diagram of the electrical equipment of the car VAZ-2106, 21061 and 21063 (1976-1987)

Diagram of the electrical equipment of the car VAZ-2106, 21061, 21063 and 21065 (1988-2001)

Diagram, pinout (wiring) of Philips Savvy cable + pinout

Diagram, pinout (wiring) of Sony CMD C-5 cable

Diagram, pinout (wiring) of the Nokia 21xx, 31xx, 51xx, 61xx, 81xx cable

Diagram, pinout (wiring) of the Panasonic G450, G500, G520, G600 cable

Diagram, pinout (wiring) of the Panasonic GD-70 cable, GD-90

Diagram, pinout (wiring) of the Sagem 3xx cable, 9xx + pinout

Diagram, pinout (wiring) of the Sagem 6xx, 7xx, 8xx cable

Diagram, pinout (wiring) of the Siemens M55 cable to the KT315

Diagram, pinout (wiring) of the Siemens ME45 cable to KT315, KT361

Dialog Timer-Automatic

Diamond Mountains





Dictionary of terms

Dictionary of video effects

Did libraries exist in ancient times?

Did not take out the soul of the poet

Did people ever speak Latin?

Did someone say something or it seemed to me?

Did the airships be used for military purposes?

Did the children have toys in the ancient ages?

Did the Vikings visit America?

Did the weather affect the course of history?

Did you always have a driver's license?

Didactics. Lecture notes

Die - fall asleep

Die, Denis, you will not write better

died when the last veteran of the Crimean War?

Diesel engine

Diesel Generator


Different cements

Different compositions for removing stains

Different hair products

Different soap powders

Different types of metal detectors and their operating principle

Differential and Integral Numbering

Differential Magnetometer

Differing coin

Digest node

Digger. A typical safety manual

Digital advertising dispenser

Digital APC for the transceiver

Digital automatic OC-angle controller

Digital automatic-angle regulator OZ

Digital battery voltage meter

Digital camera - slide scanner

Digital Camera

Digital capacitance meter

Digital Charger

Digital code generator with memory

Digital dosimeter Gamma_1

Digital FM stereo receiver 60-110 MHz with microprocessor control

Digital Frequency Converter

Digital Frequency Converter

Digital Frequency Converter

Digital Frequency Multiplier

Digital frequency synthesizers 1508PL11, 1508PL11A, 1508PL12

Digital indicator circuit

Digital Integrated Circuit

Digital Kitchen Timer

Digital LCD Oscilloscope

Digital Lighting

Digital LPH in heterodyne

Digital Luminescent Oscilloscopes

Digital meter of capacitance and internal resistance of batteries

Digital microcircuits in sports equipment

Digital microcircuits. Types of logic, case

Digital mini voltmeter with LCD

Digital multimeter M830B. Electrical circuit, description, characteristics

Digital multimeter M832. Electrical circuit, description, characteristics

Digital Multimeter M832. Electrical circuit, description, characteristics

Digital multimeter M838. Electrical circuit, description, characteristics

Digital Multimeter M890G. Electrical circuit, description, characteristics

Digital Noise Generator for Acoustic Measurement

Digital Noise Generator

Digital Oscilloscope

Digital output voltage control for L200

Digital Phase Shifter

Digital Picker

Digital Power Control

Digital power regulator of the soldering iron

Digital radio frequency control system with frequency coding

Digital reception frequency meter

Digital Reverb

Digital Root Sustainability

Digital roots

Digital satellite television

Digital scale - frequency counter

Digital scale + frequency counter DS018

Digital scale for FM receivers of superheterodyne type on microcircuits

Digital scale with correction of indications

Digital scale with correction of indications

Digital single-chip recorder

Digital speedometer, clock and thermometer for the car

Digital synthesizer of siren sound effects

Digital tachometer

Digital tachometer

Digital tachometer-clock

Digital tape recorder

Digital tape recorder

Digital tape recorder

Digital thermometer on the LM75AD sensor

Digital Thermometer

Digital thermostat on microcontroller PIC16F628

Digital time relay

Digital timer for the pump

Digital Transistor Meter

Digital tuning dial of the VHF radio

Digital video archive for the house

Digital video camera as a web camera

Digital voice recorder on one chip

Digital Voltage Indicator

Digital voltmeter on the C520 chip

Digital voltmeter with automatic selection

Digital Volume Control

Digital Volume Control

Digital Volume Control

Digital wiper control unit for the car


Dilapid sawfly

Dilute antimony

Dimmer for the billboard

Dimmer with remote control on infrared rays

Dimmer with remote control



Dinosaur Park

Diode assembly of KD638AC

Diode bridge for the light bulb

Diode Generator

Diode in the lamp base

Diode radio receiver at 65... 130 MHz

Diode radio receiver at 65... 130 MHz

Diodes domestic

Diode-separator for the phone

Diogenes lantern

Diplexer 144/430 MHz

Dirac Paul

Direct conversion of solar energy into electricity

Direct conversion receiver at 144 MHz

Direct conversion receiver at 28 MHz for space communications

Direct conversion receiver

Direct conversion receiver

Direct gain KV receiver

Direct gain radio

Direct gain radio

Direct gain receiver on a logic chip

Direct gain receiver on the KB

Direct Host

Direct starting of a three-phase electric motor

Direction finder with a loop antenna

Directional antenna with vertical polarization

Directional coupler

Directional low-frequency reception antennas

Directly opposite orders

Director (head). A typical safety manual

Director for Railway Transport. Job description

Director of an advertising agency. Job description

Director of an educational institution. Job description

Director of editing television and radio programs. Job description

Director of editing. Job description

Director of Logistics. Job description

Director of Marketing. Job description

Director of production department of the television broadcasting department. Job description

Director of the agency. Job description

Director of the branch. Job description

Director of the enterprise of housing. Job description

Director of the enterprise. Job description

Director of the hotel. Job description

Director of the printing house. Job description

Director of the publishing house. Job description

Director of the restaurant. Job description

Director of the sports club. Job description

Dirt through the hand

Disadvantages of fluorescent lamps

Disappearance of a glass with water

Disappearance of the drink

Disappearance of the vessel with water

Disappeared coin

Disappeared glass

Disappearing Ace

Disappearing ball

Disappearing Ball

Disappearing bottle

Disappearing cage with a bird

Disappearing cane

Disappearing coin

Disappearing coin

Disappearing coins

Disappearing cubes

Disappearing cup filled with water

Disappearing doll

Disappearing duck

Disappearing from the box, which is sorted out into parts

Disappearing glass

Disappearing Head

Disappearing in a bottle

Disappearing items

Disappearing magic wand

Disappearing Magnet

Disappearing map

Disappearing nodes

Disappearing of a cigarette

Disappearing of a coin from under a scarf

Disappearing of a toothpick

Disappearing of the face

Disappearing on the stairs

Disappearing pencil

Disappearing pictures

Disappearing the lady

Disc-cone Antenna for 7 MHz

Discharge indicator of computer mouse batteries

Discipline of labor and methods of its maintenance

Disco cone antenna with a bandwidth of 80 to 500 MHz

Disco-cone Antenna

Discoloration and deodorization of kerosene

Discoloration of activated carbon with ink and other coloring agents

Discoloration of iodine solution using copper

Discoloration of resins

Discoloration of varnishes and drying oil

Disconnect the hoops

Discovering oxygen

Discrete Cutter

Discrete phase power controller

Discrete power controller

Discrete-proportional control

Discus cultivators



Disinfection of equipment, premises, transport

Disinfector. A typical safety manual

Disinfector. Job description

Disintegrating ball


Dismantle the supports. A typical safety manual

Dismantling multi-part parts

Dismantling of buildings and structures. A typical safety manual

Dismantling the ferrite core

Dismissal for violations in the field of labor protection


Dispatcher on the phone. Job description

Dispatcher. A typical safety manual

Dispatcher. Job description

Dispatcher-designer. Job description

Dispersing lens

Display Offset in Adobe After Effects

Display unit BSK-10


Displaying the eight signals on the oscilloscope screen

Disposable ware

Disputes about violation of labor protection rules


Distance to the horizon

Distant kin of the movie

Distant TV reception

Distribution devices with voltage up to 1 kB AC and up to 1.5 kB dc. Foreword

Distribution devices with voltage up to 1 kB AC and up to 1.5 kB dc. General requirements

Distribution devices with voltage up to 1 kB AC and up to 1.5 kB DC. Installation of devices and devices

Distribution devices with voltage up to 1 kB AC and up to 1.5 kB dc. Installation of outdoor switchgears

Distribution devices with voltage up to 1 kB AC and up to 1.5 kB dc. Installation of switchgears in electrical rooms

Distribution devices with voltage up to 1 kB AC and up to 1.5 kB dc. Installation of switchgears in production facilities

Distribution devices with voltage up to 1 kB AC and up to 1.5 kB dc. Scope of application

Distribution devices with voltage up to 1 kB AC and up to 1.5 kB dc. Switchgear constructions

Distribution devices with voltage up to 1 kB AC and up to 1.5 kB dc. Tires, wires, cables

Distribution of elephants

Distribution of poisonous industrial substances and signs of poisoning by them

Distribution of responsibilities between officials involved in the disaster management

Distribution valve instead of the spool

District therapist shop assistant. Job description

District-level emergency situations

Disturbances of cerebral circulation

Disturber for electric guitar

Diver insurance. A typical safety manual

Diver providing. A typical safety manual

Diver working. A typical safety manual

Diver. Job description

Divider for the frequency counter

Diving supervisor. A typical safety manual

Dizziness from Success


DM-2002 Transceiver

DMV amplifier from SKD-1

DMV amplifier from SK-D-1

DMV log-periodic antenna


Do all 13 countries consider the number of misfortunes to be true?

Do all fish spawn?

Do all people lie?

Do all the cats purr?

Do animals distinguish colors?

Do animals understand each other?

Do ants always live in colonies?

Do ants smell?

Do any birds fall into hibernation?

Do cacti have leaves?

Do crocodiles attack a person?

Do dogs distinguish colors?

Do eel on the ground creep?

Do elephants remember everything?

Do from the molehill of an elephant

Do good and evil listening indifferently

Do grasshoppers have a hearing?

Do I lie on roses?

Do I need to install?

Do I need to retrain the left-hander?

Do I need to take vitamins?

Do insects have a heart?

Do mammals lay eggs?

Do mosquitoes spread diseases?

Do no harm

Do not be afraid of caustic convictions, but delightful praise

Do not be ashamed! What's the matter? It's a glorious way to many

Do not be intimidated!

Do not be surprised at all

Do not believe the crowd - empty and deceitful

Do not break through the fabric

Do not cry, do not laugh, do not hate, but understand

Do not cut the ropes

Do not dance

Do not ever ask anything! They themselves will offer and they will give everything themselves

Do not fight for cleanliness, you have to sweep it!

Do not go to court

Do not have where to lay your head

Do not hit the face in the mud

Do not hurt the head of a woodpecker

Do not judge, but you will not be judged

Do not know what they are doing

Do not let my mind fail

Do not Lick Shit

Do not make a cult of food!

Do not make yourself an idol

Do not part with your loved ones

Do not pour wine into the old wines

Do not put off till tomorrow what you can do today

Do not put your hands on the hands

Do not quench the Spirit

Do not retract, loving

Do not rush to throw out an energy-saving lamp

Do not salt your bread

Do not say anguish: they are not there, but with thanks: there were

Do not see the forest for trees

Do not see trees for trees

Do not sleep, do not sleep, artist, do not indulge in sleep

Do not stop rotating

Do not subtract or add

Do not swatch beads in front of pigs

Do not Teach Me to Live!

Do not tempt me unnecessarily

Do not think about the seconds down...

Do not touch my drawings!

Do not touch the cards with your hands

Do not untie the ropes

Do not wait

Do not wake the beast in me!

Do not wake the sleeping dog

Do not wash or roll...

Do not we see the graves every day, the saddle of the decrepit universe?

Do people have the same blood?

Do planets influence the weather and climate?

Do plants react to the upcoming weather changes?

Do polar bears fall into hibernation?

Do porcupines shoot with their needles?

Do sleepwalkers sleep at night on a full moon?

Do snails lay eggs?

Do snakes hear?

Do snakes lay eggs?

Do the birds have ears?

Do the dogs have dreams?

Do the eyes of animals shine in the dark?

Do the fish sleep?

Do the planets influence our climate?

Do unto others the way you want them to be with you

Do we have fish?

Do with us, do as we do, do better than us!

Do you have any satellites from other planets?

Do you sell a Slavic cabinet?

Docking Monitor Electronics 6105 with IBM PC

Docking node

Doctor and nurse when working in the first-aid post. A typical safety manual

Doctor for hygiene of children and adolescents. Job description

Doctor in hygiene education. Job description

Doctor of pulmonology cabinet. Job description

Doctor of the day hospital. Job description

Doctor, heal yourself!

Doctor-child surgeon. Job description

Doctor-dentist-surgeon. Job description

Doctor-intern. Job description

Documentologist. Job description

Does a people shark?

Does a person have the same teeth as animals?

Does an ostrich have a voice?

Does carrot help to see in the dark?

Does hedgehog have any immunity to snake venom?

Does it get warmer everywhere due to global warming?

Does techno have anything in common with rock music?

Does the attenuator improve the dynamic range?

Does the bee die by biting?

Does the climate change as a result of human activity?

Does the coloring of vegetables affect your health?

Does the cow have four stomachs?

Does the dolphin belong to mammals?

Does the fish have a heart?

Does the giraffe have a voice?

Does the insect have blood?

Does the iron float?

Does the magnifying glass increase?

Does the Moon have gravity?

Does the sea surface area grow?

Does the sheep grow wool every year?

Does the skin change?

Does the snake have bones?

Does the Sun pass through 12 zodiacal constellations?

Does the tree act as an air filter?

Does the turtle have a voice?

Does the universe end?

Does the water have a skin?

Does the weather affect your health?

Dog Kennel

Dogs of war

Doing a ski ointment

Doing your own small wind power plant

Do-it-yourself mass from casein

Dolby Digital Format

Dolby Squelch

Dombai Field

Domestic electronic ballasts

Domestic field transistors and their foreign counterparts

Domestic gas leak detector

Domestic history. Cheat Sheet

Domestic history. Lecture notes

Domestic Reed Relays

Domestic Thyristors

Domino chain with a break

Domino principle

Don Juan

Don Quixote

Donbass-1M Transceiver

Done under the nut

Door Bell Patriot

Door Bell Timer

Door Control Device

Door Opener

Doorbell from a music card

Doorbell on the ISD25xxx chip

Door-bell touch


Doorman. A typical safety manual

Doorman. Job description

Doorphone intercom (ENGLISH)


Doppler radar sensor for moving objects DMS-4

Dorm for mobile phones

Dormitory attendant at an educational institution. Job description

Doser for epoxy

Doser for granular fertilizers

Dosimetric control when receiving scrap metal. A typical safety manual

Dosimetrist. Job description

Double balanced mixer SA612A

Double balanced modulator

Double constrictor

Double Conversation Node

Double Eagle Antenna

Double Headed Acoustic System

Double prediction

Double reef node

Double rise (two ways)

Double-band dipole at 3.5 and 7 MHz

Doubled voltage converter

Double-horn loudspeaker

Dove of the World

Down with weapons!

Downgrade Extension

Dr. Jekyll and Mr. Hyde

Draconian measures (laws)

Draftsman. Job description

Draftsman-designer. Job description

Dragging mechanics

Dragonfly on the tip of a pencil


Draining device

Draining of liquefied gas into group tanks. A typical safety manual

Drain-loading of viscous oil products. A typical safety manual

Draper into the Byron cloak

Drawers in the bathroom

Drawing with iodine

Dream of the sky

Dream on the edge of the sword

Dreams and Years No Return

Dreams of an idiot have come true!

Dreams, dreams, where is your sweetness?

Dressed with a Needle


Drill a razor

Drill for large diameter

Drill instead of a lathe

Drill to any size

Drill with a radiator



Driller. Job description

Drilling glass

Drilling holes with electric current

Drilling iron

Drilling machine from a drill

Drilling Machine

Drilling rig operator. Job description

Drilling rig

Drilling Well

Drilling without dust




Drink the cup to the bottom. Drink a cup to the bottom

Drinking mode

Drinking the Sea

Drive behind the nose

Drive for Mozhay

Drive nature to the door, she will fly into the window

Driver for controlling the low-voltage motor

Driver for the transport of dangerous goods. A typical safety manual

Driver-forwarder. Job description

Driving - the machine

Driving loop

DRM signal converter for DEGEN 1103

Drop on the cordon

Drop the slave out of yourself

Dropping drops


Drug addiction and substance abuse, general concepts

Drug addiction and substance abuse: problems with combating them, prevention

Drug addiction and substance abuse

Drug addiction as a social phenomenon, its origins and distribution factors

Drugs and the danger of their use for health

Drum Kit Assembly

Drum unit power supply

Drunk Knot

Dry casein paints

Dry cleaning - removal of spots by adsorption

Dry cleaning - removal of stains by extraction

Dry cleaning by oxidation

Dry Cleaning

Dry from the water

Dry tights

Dryers. A typical safety manual

Drying Electric Machines

Drying oil from sunflower oil

Drying oils on resinous desiccants (resinate)

DSB transceiver

DTMF standard number determiner

DTMF Transmitter Controller Decoder


Dual Band VHF Antenna

Dual Band VHF Antenna

Dual high-speed high-voltage optocoupler 80 ns / 3000 V 5P18

Dual high-speed high-voltage optocoupler with TTL-output

Dual temperature control system

Dual-band antenna amplifier

Dual-band dipole

Dual-band KB antenna

Dual-band VHF FM radio on the K174XA34A chip

Dual-Charge Charge Device

Dual-mode charger

Dual-mode charging and discharging device

Dual-Receive Antenna

Dual-Tone Multifrequency (DTMF) Generator on AVR

Duck quack simulator

Due to what chance was Gregor Mendel deservedly recognized as the founder of the doctrine of heredity?

Due to what is the therapeutic effect achieved with medical leeches?

Duet of a tray and bowls

Dumbbell with a Shadow

Dummy board for microchips

Dummy of the car's official odometer (electronic speedometer)

Dumping a pile, The Rooster found a pearl grain

Dumping Factor Myths and Reality

Dumping factor, myths and reality

Dumping on your knees

Duplexer CBC / VHF

Duplicate malfunction of the GRUNDIG-GR1450 TV

Duplicate superheterodyne

Duplication with a magnetic antenna

Duration of cooking food at the stake and the need for water

During it

Dust - Kashcheeva's computer needle

Dust Collector

Dust of distant countries

Dust of the ages

Dust Storm

Dustiness and gas contamination of industrial premises

Dusting your eyes

Dutch lacquer Elemi for oil paintings

Duties and responsibilities of personnel in the field of fire safety

Duties of Employees and Employers in Case of Accident

Duties of the citizens of the Russian Federation in the field of protection against ES

Duty control panel for receiving signals. A typical safety manual

Duty electrician of 10 / 0.4 kV substation. A typical safety manual

Duty electrician on duty. A typical safety manual

Duty escalator working in the organization of trade. A typical safety manual

Duty mechanic KIP and A. Typical instruction on labor protection

Duty officer (for issuing certificates, hall, hotel floor). Job description

Duty officer at the construction site. A typical safety manual

Duty officer at the counter. A typical safety manual

Duty on the escalator. Job description

Duty operator of the HVO boiler room. Job description

Duty room of slot machines, amusement rides and shooting galleries. Job description

Duty room of the billiard room. Job description

Dyeing fabrics and yarns with substantive dyes

Dyeing sheepskins and skins with acid dyes

Dyeing stockings

Dyeing the sheepskin in black

Dyeing wool

Dyeing woven straw

Dyer when working on dyeing barges. A typical safety manual

Dying match

Dying Swan

Dynamic display

Dynamic filter - squelch

Dynamic head resonance frequency meter

Dynamic heads for automotive speakers

Dynamic magnetization in a tape recorder

Dynamic memory DRAM - as a video camera

Dynamic phase shifter - starter for an asynchronous motor

Dynamics - the second life

Dynamics repair - a benefit in pictures