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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


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Design and support:
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Technical maintenance:
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Daniel Monchukin

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Natalya Kuznetsova

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

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Vacuum cleaner

Vacuum cleaner for oil

Vacuum cleaner-diverter

Vacuum cleaners

Valcoder - from the mouse

Valley of the Ten Thousand Smokes

Vandal proof protection

Vane propeller

Vanishing Ace

Vanishing ball

Vanishing bowl full of water

Vanishing cane

Vanishing coin

Vanishing Cube

Vanishing cubes

Vanishing head

Vanishing magnet

Vanishing photo


Varactor treasure at 430 MHz

Variable slope filter

Variant of adjustable stabilizer

Variant of VHF receiver control unit with frequency synthesizer on LM7001 chip

Variants of electronic ballast, realized by the scheme of a single-cycle self-oscillator converter

Variants of fixed lamp bias 6H13C

Variants of zigzag antenna Harchenko

Varieties of one circuit (unbalanced multivibrator)

Various hair products

Various soap powders

Varnish for drawings

Varnish for gilded baguettes

Varnish for metal products

Varnish for optical instruments

Varnish for rubber galoshes

Varnish for rubber products

Varnish for straw hats

Varnish for the skin

Varnish for tools

Varnish for wallpaper

Varnishes for impregnation, coverslips, glues

Varnishes for metals

Varnishes for tinplate

Varnishes for wood

Varnishes from resinous esters

Varnishes, mordants and other products for skin and footwear

Vase of Tantalus

Vase of the Pharaoh

Vase on... lathe

Vavilov Nikolay


VCO on chip K0308018

VCR capabilities for recording high-quality sound, maintenance and repair

VCRs. Secrets of repair

Vegetable cutter

Vegetable slicer from the washing machine

Vehicle battery voltage indicator

Vehicle glacier for cars

Vehicle Hand Brake Warning Signal

Vehicle heater control unit

Vehicle security system with satellite tracking of coordinates and transmission of alerts via GSM channel

Vehicle vibration isolation

Velcro fastener


Velocator voltage regulator



Veloveuk with pockets

Venereal diseases

Venereal diseases and their prevention

Ventilation and heating of industrial premises

Ventilation of the workplace

Verhalaznye work using the methods of industrial mountaineering. Standard instruction on labor protection

Verhalaznye work. Standard instruction on labor protection

Vernadsky Vladimir

Vertical antenna at 144 MHz

Vertical antenna for low bands

Vertical antenna on low frequency bands

Vertical antennas for low-frequency ranges

Vertical directional antenna

Vertical Drilling Machine

Vertical Loop Antenna (LOOP)

Vertical multi-band antenna

Vertical multi-band antenna UW4HW

Vertical opening of the garage door

Vertical power supply

Vertically floating match

Very loud alarm clock

Vesalius Andreas

Vessel on bottles

Vesuvius volcano

Veterinarian. Job description

Veterinary assistant. Job description

VFO on transistors

VFO with electronic tuning


VHF - FM stereo tuner 60-108 MHz on the TDA7021T chip

VHF / CB radio in the housing of the subscriber loudspeaker

VHF antenna

VHF antenna type YAGI on 144 MHz

VHF antenna with J-matching

VHF antenna with vertical polarization

VHF antennas from sets of typical elements

VHF beacon

VHF converter

VHF converter on 144 MHz

VHF converter on the K174PP1 chip

VHF converter range 128-148 MHz in the range of 88-108 MHz

VHF converter with notch filter

VHF converter with quartz stabilization

VHF FM radio receiver Aurora Millennium

VHF FM radio receiver in the frequency range 64-108 MHz and low-voltage power supply

VHF FM radio station

VHF FM receiver on m / s KHA058

VHF FM receiver on one transistor

VHF FM receiver on the chip KHA058

VHF FM receiver on the chip KHA060

VHF FM receiver with cavity resonator

VHF FM receivers with PLL

VHF FM transmitter

VHF FM tuner

VHF frequency synthesizer

VHF local oscillator with PLL

VHF loop antenna from coaxial cable

VHF micro transmitter to phone

VHF power amplifier

VHF prefix to direct gain receiver

VHF prefix to DV-SV receiver

VHF prefix to receiver VEF-12

VHF radio

VHF radio on the chip KHA058

VHF radio receiver in the Selga-405 package

VHF radio receiver on KXA058

VHF radio receiver on KXA-058

VHF radio transmitter

VHF receiver

VHF receiver (monitor) Harry Litalla

VHF receiver from prefabricated units

VHF receiver in the package Marlboro

VHF receiver on the chip K174XA42

VHF receiver on the chip K174XA42A

VHF receiver with PLL

VHF reflectometer (100-600 MHz)

VHF Scatter Receiver

VHF stereo tuner

VHF super-regenerator

VHF super-regenerator with loop antenna

VHF transverter at 144 MHz

VHF transverter prefix

VHF tuner on the chip K174XA34

VHF tuner on the chip KS1066HA1

VHF tuning to FM

VHF unit (144, 430 MHz)

Vibrating alarm device

Vibrating circuit

Vibration and protection from it

Vibration sensor for car security device

Vibration sensor for security device


Vice at the clip

Vice of pliers

Vice with reducer

Vice-rector for academic work of a higher educational institution. Job description

Vice-rector for academic work. Job description

Vice-rector for educational activities and social issues of a higher educational institution. Job description

Victoria Falls

Video and audio splitters

Video editing for beginners

Video editing. Basics for beginners

Video editing. The gluing language

Video Engineer of Creative Programs Department. Job description

Video Engineer. Job description

Video games

Video intercoms

Video Operator. Job description

Video power splitters

Video Processor Series TDA88xx

Video shooting with imitation under the movie

Video shooting: advice from an amateur

Video signal clock regenerators

Video signal generator on the PIC controller

Video signal transmitter on the KR1043XA4 chip

Video splitter

Video Transmitter

Videography of weddings and true human feelings

Vintage lathes


Violation of labor protection rules

VIPER-100A and a pocket charger based on it

VirtualDub. Quick guide and tips

Visible at night switch

Vision test device

Visual controls

VLAN electrician and radio relay. Standard instruction on labor protection

Voice alarm

Voice control hardware

Voice control system

Voice Encryptor

Voice programmable signaling device

Voice relay

Voice S-meter

Voices of combs

Volcano eruption

Volcano on the table

Volcano Popocatepetl

Voltage and current meter

Voltage changeover switch

Voltage controlled power load regulator

Voltage converter

Voltage converter - charger

Voltage converter + battery charger

Voltage converter 12/1000 volts

Voltage converter 12/220 V - 50 Hz

Voltage converter 12-1000 volts

Voltage converter 5/12 volts

Voltage converter 5/9 volts for powering radio receivers

Voltage converter for avarimeter C20

Voltage converter for battery equipment

Voltage converter for boost, 5-9 / 9-12 volts

Voltage converter for car, 13,6 / 36,127,220 volts 40 watts

Voltage converter for cell phone chargers

Voltage converter for cell phone chargers, 12/300 volts

Voltage converter for electric shaver, 12/220 volts 2.5 amperes

Voltage converter for flash

Voltage converter for household appliances

Voltage converter for LED

Voltage converter for LED flashlight

Voltage converter for LED lamp

Voltage converter for portable flashlight

Voltage converter for power supply from a galvanic element of electronic devices

Voltage converter for power supply LDS power 20-80 W

Voltage converter for powering portable radios

Voltage converter for powering the photoelectric multiplier

Voltage converter for radio-controlled model

Voltage converter for supplying satellite receiver varicaps, 15/36 volts

Voltage converter for supplying varicaps

Voltage converter on microcircuits, 12/24 volts

Voltage converter on microcontroller for power supply of measuring device

Voltage converter on the chip K155LA13

Voltage converter on the chip K155LA18

Voltage converter on timer 1006VI1, 12/30 volts

Voltage converter PN-32

Voltage converter with SHI modulation

Voltage converter with SHI stabilization

Voltage converter, + 12 / -10 volts

Voltage converter, + 12 / -5 volts

Voltage converter, 12/22 volts 2 amps

Voltage converter, 12/220 volts 100 watts

Voltage converter, 12/220 volts 30 watts

Voltage converter, 12/220 volts 5 watts

Voltage converter, 12/220 volts 60 amps 720 watts

Voltage converter, 12-16 / 24 volts 3 amps

Voltage converter, 12-30 volts

Voltage converter, 220/30 volts 200 watts

Voltage converter, 2x12-18 volts

Voltage converter, 4.5 (9) / 15 volts 0.2 watts

Voltage converter, 5 volts

Voltage converter, 6/12 volt 0.8 amperes

Voltage converter, 6/2 volts

Voltage converter, 9/400 volts 90 milliamperes

Voltage difference indicator

Voltage Doubler on the UHF Microchip

Voltage FET Voltage Regulator

Voltage indicator for the power strip

Voltage indicator with sound indication

Voltage level indicator in the network

Voltage mains voltage meter with extended scale

Voltage polarity converter

Voltage polarity converter on switched capacitors

Voltage polarity converter, 15 volts 0.1 amperes

Voltage polarity-voltage switch for charger

Voltage presence indicator

Voltage reduction on inductive load with capacitors

Voltage regulator on optocoupler

Voltage regulator on the ADP3301 chip

Voltage regulator on the operational amplifier, 37 / 25.2 volts 0.2 amperes

Voltage regulator with a small difference in input and output parameters

Voltage regulator with current limiter, 12-15 volts 3 amps

Voltage regulator with indicator

Voltage regulator with phase-impulse control

Voltage regulator, 10-16 / 9 volts 0-1 amp

Voltage regulator, 11-20 / 9 volts 0.5 amperes

Voltage stabilizer 35-70 volts

Voltage stabilizer for car battery

Voltage stabilizer for car battery, 12.6 / 9 volts 0.3 amps

Voltage stabilizer for op amps, 0.2 amp

Voltage stabilizer for power supply UMZCH, 19 volts 20 amperes

Voltage stabilizer for ULF, 12-15 volts 0.7 amperes

Voltage stabilizer for UMZCH on the TDA2030 chip

Voltage stabilizer in the network adapter

Voltage stabilizer on CMOS chip

Voltage stabilizer on KR1158ENh chips

Voltage stabilizer on the chip K174UN7, 8-16 volts 1 ampere

Voltage stabilizer on the chip KR142EN19 with protection, 27 / 7-25 volts 2 amperes

Voltage stabilizer on the comparator, 19-30 / 5 volts 2 amps

Voltage stabilizer protected against output short circuits, 21 / 2-12 volts 0.3 amp

Voltage stabilizer with current protection on the chip KR142EN19

Voltage stabilizer with double protection, 40 / 3-30 volts 2 amperes

Voltage stabilizer with FET transistor with overload protection, 14-24 / 10 volts 1 ampere

Voltage stabilizer with field effect transistor, 11-19 / 9 volts 0.1 amperes

Voltage stabilizer with low minimum voltage drop

Voltage stabilizer with overload protection 13,8V / 10A

Voltage stabilizer with overload protection, 10 amperes

Voltage stabilizer with overload protection, 13.8 volts 10 amperes

Voltage stabilizer with parallel integrated circuits, 5 volts 6 amps

Voltage stabilizer with protection, 14-20 / 12 volts 0.5 amperes

Voltage stabilizer with short-circuit and over-current protection, 14-20 / 12 volts 0.5 amperes

Voltage stabilizer with short-circuit protection, 13-16 / 9 volts

Voltage stabilizer with short-circuit protection, 14-16 / 9 volts

Voltage stabilizer with thermal compensation

Voltage stabilizer, 20 volts 7 amperes

Voltage stabilizers of series KR1158 and KF1158

Voltage stabilizers with a regulating transistor in the negative wire

Voltage stabilizers with chip KR142EN19A

Voltage swing indicator

Voltmeter - indicator for laboratory power supply

Voltmeter for laboratory power supplies

Voltmeter on LED

Voltmeter on the chip K1003PP1

Voltmeter rms values - prefix to multimeter

Voltmeter with improved linearity

Voltmeter with linear scale

Voltodobavka in the welding machine

Volume and tone control of a modern stereo unit

Volume and tone control on the KR174XA54 chip

Volume control for the IBM PC system speaker

Volume control with buffer cascade

Volume control with electronic control

Volume control with touch control

Volume, balance and timbre control on the TDA1524A chip

Vortex rings

Vortex tubes

VOX for FT-840M

Vulcanization and tire fitting works. Standard instruction on labor protection