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Everyday Practical Electronics magazine
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QST magazine
Radiotechnika Evkonyve magazine
Servo magazine
Stereophile magazine
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FREE AUDIO, VIDEO, TVs SCHEMATIC DIAGRAMS AND SERVICE MANUALS:

Popular audio
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Popular monoblocks
Popular phones
Popular TVs
Popular video cameras
Popular video recorders and video players

Avest TVs
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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

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Sharp mobiles
Siemens mobiles
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TCL mobiles
Voxtel mobiles

FREE HOUSEHOLD APPLIANCES SCHEMATIC DIAGRAMS AND SERVICE MANUALS:
Beko household appliances
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Gorenje household appliances
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SEB household appliances
Snaige household appliances
Stinol household appliances
Universal household appliances
Whirpool household appliances

FREE ELECTRIC TOOLS SCHEMATIC DIAGRAMS AND SERVICE MANUALS:
Bocsh electric tools
Makita electric tools

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

FREE ENCYCLOPEDIA OF ELECTRONICS AND ELECTRICAL ENGINEERING:
Alternative energy sources
Antenna amplifiers
Antennas
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
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
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
Lighting
Lightning protection
Measuring equipment
Medicine
Microcontrollers
Mobile communication
Modulators
Oscillators, heterodynes
Personal safety
Portable radio stations
Power amplifiers
Power controllers, thermometers, thermostabilizers
Power supply
Power supply units
Preamplifiers
QRP equipment
Radiation indicators
Radio amateur computation
Radio amateur technologies
Radio control
Radio reception
Radio stations, transceivers
Reference materials
Security
Security and alarm system using mobile communication
Security devices and alarm systems
Signal limiters, compressors
Sound systems
Sound-to-light units
Telephony
Television
Transistor power amplifiers
Transmitters
Transverters
Tube power amplifiers
Upgrade of radio stations
Use of microcircuit chips
Various electronic devices
Voltage stabilizers
Voltage transducers, rectifiers, inverters
Welding equipment

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Basics of first aid
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Big encyclopedia for children and adults
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Factory technology at home. Simple recipes
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For lovers of travel. Tips for tourists
Home workshop
Labour safety
Modeling
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

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Free encyclopedia of electronics and electrical engineering / All articles A-Z

All articles of the Free encyclopedia of electronics and electrical engineering are listed in alphabetical order.

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Also see Detailed descriptions of articles from magazines:

Oak knot

Oak Loop

Obedient and naughty egg

Obedient ball

Obedient beads

Obedient button

Obedient coin

Obedient decanter

Obedient fish

Obedient handkerchief

Obedient Newspaper

Obedient saw

Obligations of citizens of the Russian Federation in the field of protection from emergencies

Obligations of employees and employer in case of accident

Obligations of employees and employers in the field of labor protection

Obligations of the employee in the field of labor relations and labor protection

Observing the urination

Obstetrician-gynecologist. Job description

Obstetrics and gynecology. Crib

Obstetrics and gynecology. Lecture notes

Obstruction of the respiratory tract in children

Obtaining doubled bipolar voltages in the converter on ICL7660 series ICs

Occupational accidents prevention measures

Occupational diseases and their classification

Occupational diseases and their prevention

Occupational Hazards of the Production Environment

Occupational health and safety documentation

Occupational Health and Safety Management

Occupational health and safety manual for electromechanics ATS

Occupational injuries and their classification

Occupational safety and health. Crib

Occupational safety engineer. Job description

Occupational sanitation, hygiene and personal hygiene

Ocean Power Station

Ocean yachts of class W-60

Octane-corrector - ignition unit

Octane-corrector for the car

Octane-corrector prefix

Octane-proofreader

Octopus, school gum and fly

Odd-odd and mysterious addition of coins

Odorous substances

Oersted Hans

Oersted Law

Office cleaning. Job description

Office cleaning. Standard instruction on labor protection

Office Manager. Job description

Office security guard. Job description

Officials and their responsibilities

Offset display in Adobe After Effects

Ohmic (resistive) sensors

Ohmmeter with linear scale

Ohm's Law

Ohotologist. Job description

Oil from seeds

Oil paints

Oil pipeline

Oil shower for camshaft

Oil varnishes

Oilcan with proboscis

Oils and hair creams

Oils for hair

Okavango River

Old battery and its revival

Old battery and its secondary charge

Old but golden

Old but golden. Lamp Renaissance Amplifier

oled LEDs with own hands

Olympic knot

Om Georg

On a board with a sail

On a paper saucepan, a slave with a fan and injections

On a sleigh - in the summer

On duty (for issuing certificates, hall, hotel floor). Job description

On duty at the construction site. Standard instruction on labor protection

On floats - with motor

On guard of rest

On the body of a king after his death found tattooed words: Death to kings?

On the dashboard

On the decrease in detonation in the LME

On the difficulties of upgrading televisions

On the distortion of the frequency characteristics of small-sized loudspeakers and deep basses

On the inclusion of a three-phase motor

On the interaction of UMZH with the load

On the question of the gain of VHF antennas

On the same slide

On the second try

On the threshold of distant worlds

On what occasion was the opera of J. Verdi Aida created?

On which eye Nelson wore a bandage?

On which planet of the solar system are the largest mountains and what are the deepest depressions?

On which ships did Christopher Columbus discover America?

On-board car monitoring system with voice information output

On-board computer for motorcycle with LCD from mobile phone

On-board conductor. Standard instruction on labor protection

Onboard LED voltmeter

Onboard minicomputer for car

Onboard monitoring system with voice information output

On-board tachometer on the PIC16C84 microcontroller

Onboard voltage indicators

On-call doctor (paramedic) of the medical center. Job description

Once again about introducing the Russian frequency grid into imported C-B radio stations

Once again about powering the digital multimeter from the network

Once again about switching the HDD in the computer

Once again about the antenna Five-eighths of a lambda

Once again about Ural 84M

Once again about UW3DI

Oncologist. Job description

One against eight

One antenna is small

One card in four roles

One hand movement

One match

One matrix is good, and three is better

One more rope

One more twisted ring

One of the two cards turns into a conceived

One swipe to tie a rope with 10 knots

One thermoregulator - several objects

One-button magnetic starter control

One-button ON / OFF

One-coil induction metal detector

One-lane sledges

One-piece coins

One-shot

One-stage high-frequency amplifier

One-track motorcycle-carrying vehicle Mustang-350

One-way counter

One-way street

One-wheeled motor-plow

Online hysteresis adjustment in thermostat

Only for the dog's ears

Opaque pyroxylene lacquer

Open an empty jar

Open indoor wiring

Open it! IR!

Opening a box pierced with a nail

Opening a map with a mirror

Opening and closing Yeasu FT-51

Operating medical nurse. Job description

Operating model of steam turbine

Operation and maintenance of micro hydroelectric power stations

Operation and maintenance of shishkoshushilok. Standard instruction on labor protection

Operation and repair of interchain and shop oxygen pipelines. Standard instruction on labor protection

Operation and start-up of a 3-phase electric motor in case of phase failure

Operation of ADC with COM port, simple data collection system

Operation of automatic fire extinguishing system station. Standard instruction on labor protection

Operation of cranes of type DIP and PIONEER. Standard instruction on labor protection

Operation of electric single-girder overhead crane. Standard instruction on labor protection

Operation of electro-telepheters. Standard instruction on labor protection

Operation of forced cooling plants for high power amplifiers of wire broadcasting stations. Standard instruction on labor protection

Operation of fountain and gaslift wells. Standard instruction on labor protection

Operation of fuel tank farms. Standard instruction on labor protection

Operation of gas wells, gas collection and treatment facilities. Standard instruction on labor protection

Operation of grinders and grinding wheels. Standard instruction on labor protection

Operation of group liquefied gas cylinder systems. Standard instruction on labor protection

Operation of low-power radio stations in the radio network. Standard instruction on labor protection

Operation of manual hoists. Standard instruction on labor protection

Operation of NTV-1000 and NTV-2000 receivers with dual-band converters

Operation of observation fire towers. Standard instruction on labor protection

Operation of reservoir pressure maintenance and enhanced oil recovery facilities. Standard instruction on labor protection

Operation of safety ropes. Standard instruction on labor protection

Operation of scaffolds PVS-12. Standard instruction on labor protection

Operation of sealed Ni-Cd batteries

Operation of stationary compressor stations for gas lift and injection of gas into the reservoir. Standard instruction on labor protection

Operation of steam and hot water boilers at oil products supply enterprises. Standard instruction on labor protection

Operation of the gas facilities of organizations. Standard instruction on labor protection

Operation of the I-1-OSV reservoirs. Standard instruction on labor protection

Operation of the jib crane. Standard instruction on labor protection

Operation of the nozzles of the drying drum. Standard instruction on labor protection

Operation of the welding machine. Standard instruction on labor protection

Operation of treatment plants. Standard instruction on labor protection

Operation of vacuum pumps. Standard instruction on labor protection

Operation of water heaters. Standard instruction on labor protection

Operation of wells equipped with sucker-rod pumping units. Standard instruction on labor protection

Operation of wells equipped with unloader pumps. Standard instruction on labor protection

Operational amplifier test

Operational amplifier tester

Operational amplifiers of series KR1446 and KF1446

Operational features of halogen incandescent lamps

Operational-search activity. Crib

Operative surgery. Crib

Operative surgery. Lecture notes

Operator (machinist) of the loader crane. Standard instruction on labor protection

Operator ABZ for the preparation of asphalt-concrete mixture. Standard instruction on labor protection

Operator at the checkpoint. Standard instruction on labor protection

Operator of a fish-smoking mechanized line. Job description

Operator of a fixed gas filling station. Standard instruction on labor protection

Operator of an automatic sausage production line. Standard instruction on labor protection

Operator of automatic and semi-automatic lines, engaged in grinding and polishing operations. Standard instruction on labor protection

Operator of automatic and semi-automatic lines, engaged in varnishing operations. Standard instruction on labor protection

Operator of computers. Job description

Operator of gofrolinium. Standard instruction on labor protection

Operator of hydraulic systems. Job description

Operator of machine tools with program control. Job description

Operator of steam boilers. Job description

Operator of the computer testing department of the educational and innovation service. Job description

Operator of the crane-stacker. Standard instruction on labor protection

Operator of the duplicating machine. Standard instruction on labor protection

Operator of the elevator control panel. Job description

Operator of the machine for the production of cooked sausages. Standard instruction on labor protection

Operator of the milling and baling machine. Standard instruction on labor protection

Operator of the plucking machine (payer). Standard instruction on labor protection

Operator of the stunt shooting control panel. Job description

Operator of treatment plants. Standard instruction on labor protection

Operator of washing machines. Standard instruction on labor protection

Operator of winding machine. Standard instruction on labor protection

Operator on automatic and semi-automatic lines in wood processing, engaged in processing bars. Standard instruction on labor protection

Operator on automatic and semi-automatic lines in woodworking, engaged in calibration and grinding operations. Standard instruction on labor protection

Operator on automatic and semiautomatic lines, engaged in covering the edges of shields. Standard instruction on labor protection

Operator on automatic and semi-automatic lines, engaged in drilling and additive operations. Standard instruction on labor protection

Operator, user of PC and video display terminal of VDT. Standard instruction on labor protection

Operator. Job description

Ophthalmologist. Job description

Optical (photoelectric) sensors

Optical busbars and connectors for cars

Optical cables in lightning rope

Optical communication cables of foreign manufacture

Optical telephone

Option to enable EMF

Optional Remote Control for Satellite Receiver

Options for helping victims of electric current

Options for saving AVI file in VirtualDub

Options for using the energy of the Sun

Optocouplers

Optocouplers series AOU115

Optocouplers. Part 1

Optocouplers. Part 2

Optoelectronic devices

Optoelectronic relay

Optoelectronic relays

Optolink

Optosi-amistor switch of powerful load, 220 volts 40 amperes

Oral care

Oranienburg soap

Orbital space station

Orbital station Mir

Order of compensation for harm caused to the life and health of citizens

Ordinary shuffle from hand to hand

Organic chemistry. Crib

Organic synthesis

Organization and implementation of production control

Organization and operation of electrical installations. Acceptance of electrical installations

Organization and operation of electrical installations. Electricity management. Automated energy management systems

Organization and operation of electrical installations. Electricity management. General Provisions

Organization and operation of electrical installations. Electricity management. Operational management

Organization and operation of electrical installations. General requirements

Organization and operation of electrical installations. Maintenance, repair, modernization and reconstruction

Organization and operation of electrical installations. Personnel requirements and training

Organization and operation of electrical installations. Responsibilities, responsibility of consumers for the implementation of the Rules

Organization and operation of electrical installations. Safety rules and compliance with environmental requirements

Organization and operation of electrical installations. Technical documentation

Organization and setting up crossings through water barriers

Organization of 1-Wire-systems

Organization of a hanging ferry

Organization of access to networks of satellite communication operators

Organization of an office and a corner of labor protection

Organization of breaks and lodging

Organization of civil defense in educational institutions

Organization of civil defense on industrial site

Organization of control over the state of labor protection in the organization

Organization of emergency bivouac

Organization of excursions. Standard instruction on labor protection

Organization of medical provision of the population in emergency situations

Organization of nutrition in conditions of autonomous survival

Organization of safe operation of electrical installations

Organization of shelter of the population

Organization of the protection of personnel of formations. Special processing

Organization of the safe workplace of the welder

Organization of the session. Session

Organization of the World Day for Safety and Health at Work

Organization of work of authorized (trusted) persons on labor protection

Organization of work of labor protection service

Organization of work of the commission on ES objects

Organization of workflow on labor protection

Organizational behavior. Crib

Organizing a subbotnik. Standard instruction on labor protection

Organizing excursions in biology. Standard instruction on labor protection

Organs of control and supervision over safety and labor protection in the Russian Federation

Orientation and geographical projection

Orientation by sounds

Orientation by the stars

Orientation by the sun, moon, stars

Orientation in local subjects

Orientation in polar regions

Orientation in the desert

Orientation in the footsteps of pedestrians

Orientation in the footsteps of skiers

Orientation in the forest and taiga

Orientation in the mountains

Orientation in the steppe

Orientation in the tundra and forest-tundra

Orientation in time

Orientation on light

Orientation on natural phenomena

Orientation on rivers and lakes

Orientation on seas and oceans

Orientation Skills

Orientation techniques with the help of personnel tools and devices

Orientation with the help of a compass

Orienting the map to ground objects

Orienting the map to the compass

Original antenna design for a range of 2 m

Original wow-prefix

Ornithosis, psittacosis

Oscilloscope

Oscilloscope attachment to the TV

Oscilloscope Calibrator

Oscilloscope sweep generator

Oscilloscope... without a tube

Ostrogradsky Mikhail

Other edible plants

Other types of clouds

Otitis

Otorhinolaryngologist. Job description

Outboard engine powered by a lithium battery

Outdoor lighting. Execution and protection of outdoor lighting networks

Outdoor lighting. Light sources, installation of lighting fixtures and supports

Outdoor lighting. Power of outdoor lighting installations

Outline for KB antenna

Output power indicator

Output signal indicator on the KA2281 chip

Output stage of the radio station

Output stage of ULF

Outsmart the inertia

Outwit the mirror

Over current alarm

Overhead power lines above 1 kV. Application area. Definitions

Overhead power lines above 1 kV. Arrangement of wires and cables and the distance between them

Overhead power lines above 1 kV. Convergence of overhead lines with aerodromes and heliports

Overhead power lines above 1 kV. Crossing and convergence of overhead lines with railways

Overhead power lines above 1 kV. Distances between wires and between wires and cables according to the conditions of dancing

Overhead power lines above 1 kV. General requirements

Overhead power lines above 1 kV. Insulators and fittings

Overhead power lines above 1 kV. Intersection and convergence of overhead lines between each other

Overhead power lines above 1 kV. Intersection, convergence or parallel follow-up of overhead lines with trolley and tram lines

Overhead power lines above 1 kV. Large transitions

Overhead power lines above 1 kV. Overvoltage protection, earthing

Overhead power lines above 1 kV. Passage of overhead lines along dams and dikes

Overhead power lines above 1 kV. Passage of overhead lines in uninhabited and inaccessible areas

Overhead power lines above 1 kV. Protection of VL from the environment

Overhead power lines above 1 kV. Requirements for the design of overhead lines, taking into account the features of their repair and maintenance

Overhead power lines above 1 kV. Supports and foundations

Overhead power lines above 1 kV. Suspension of fiber-optic communication lines on overhead lines

Overhead power lines up to 1 kV. Application area. Definitions

Overhead power lines up to 1 kV. Climatic conditions

Overhead power lines up to 1 kV. Crossing, convergence, joint suspension of overhead lines with communication lines, wire broadcasting and RK

Overhead power lines up to 1 kV. Dimensions, intersections and closings

Overhead power lines up to 1 kV. Foreword

Overhead power lines up to 1 kV. Grounding. Overvoltage protection

Overhead power lines up to 1 kV. Intersection and reconnection of overhead lines with engineering facilities

Overhead power lines up to 1 kV. Wires. Linear fittings

Overhead transmission lines with a voltage higher than 1 kV. Crossing overhead lines with water spaces

Overhead transmission lines with a voltage higher than 1 kV. Intersection and convergence of high-voltage lines with highways

Overhead transmission lines with a voltage higher than 1 kV. Intersection and convergence of overhead lines with communication, signaling and wire broadcasting facilities

Overhead transmission lines with a voltage higher than 1 kV. Passage of overhead lines in populated areas

Overhead transmission lines with a voltage higher than 1 kV. Passage of overhead lines in the stands

Overhead transmission lines with voltage above 1 kV. Convergence of overhead lines with explosive and fire hazardous installations

Overhead transmission lines with voltage up to 1 kV. Arrangement of wires on supports

Overhead transmission lines with voltage up to 1 kV. General requirements

Overhead transmission lines with voltage up to 1 kV. Insulation

Overhead transmission lines with voltage up to 1 kV. Supports

Overhead transmission lines with voltages above 1 kV. Climatic conditions and loads

Overhead transmission lines with voltages above 1 kV. Intersection and convergence of overhead lines with overground and aboveground pipelines, oil and gas transportation facilities and cable cars

Overhead transmission lines with voltages above 1 kV. Intersection and convergence of overhead lines with underground pipelines

Overhead transmission lines with voltages above 1 kV. Passage of overhead lines through bridges

Overhead transmission lines with voltages above 1 kV. Wires and lightning protection cables

Overheat indicator

Overheat sensor, 60 degrees 10 seconds

Overheating sensor

Overheating, heat and sunstroke

Overload indicator and protection of the voltage regulator

Over-speed warning

Overview of charge recovery schemes for batteries

Overview of Delta antennas

Overview of Delta-2 antennas

Overview of geothermal resources

Overview of non-conventional cooling systems and original computer peripherals

Overview of the main types of welding machines

Overvoltage protection device

Own correspondent. Job description

Owners of paired phones

Oxidation and bronzing of metals

Oxidation-reduction

Oxygen cutting. Standard instruction on labor protection

Oyster knot

Ozonizers for home