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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:

Babi knot

Babies from a stroller

Baby Carrier-Backpack

Bach! And half board in half

Bachman's site

Backlight for switch


Backpack straps


Backup power for phone with caller ID

Backup power supply

Backward cascaded IIPS, 220 / 12.6 volts 0.5 amperes

Backward motion indicator

Backyard lighting

Bacteriologist. Job description

Bad habits and their social consequences


Baer Carl

Baffle-Step (interference of waves) is an obstacle on the way to linear acoustics

Bag for the disappearance

Bag on wheels


Baker of bakery products. Job description

Baker. Standard instruction on labor protection


Balanced modulator

Balanced modulator on varicaps

Balancing handkerchief

Balancing Matchboxes

Balcony antenna with capacitive load

Balcony wind farm

Balcony without damp and dirt

Ball and matches

Ball between the fingers

Ball in a different role

Ball in the hole

Ball on lace

Ball on the rope

Ball puncher for leather

Ball valves

Ball wheelbarrow

Ballast control ICs



Ballistic missile


Balloon flying



Ballpoint pen

Balls and cages

Balls do not drop out


Bandage for plumbing

Bandages on the lower half of the abdomen and on the upper third of the thigh

Bandages on the upper and lower limbs

Bandpass filter

Bandpass filter on CMOS inverters

Bandwidth adjustment

Banff and Jasper

Banking audit. Crib

Banking law. Crib

Banking law. Lecture notes

Banking. Crib

Banking. Lecture notes

Bar and two balls

Bar Manager. Job description

Barbed wire


Barcode reader

Barguzin Nature Reserve

Barkhan radio receiver on the chip K174XA34




Barometer from a light bulb

Barometric pressure and QSO

Baron Munchausen turns

Barretter and Urdoks

Bartender. Job description

Bartender. Standard instruction on labor protection

Bartender-cashier. Job description

Base metals

Basic concepts and definitions of disaster medicine

Basic concepts of labor law

Basic electric current values

Basic fire safety measures

Basic forms of human activity

Basic formulas for computing antennas

Basic law of electrostatics

Basic parameters of color picture tubes manufactured by THOMSON, PHILIPS and NOKIA

Basic parameters of transmitters and receivers

Basic principles and regulatory legal framework for protecting the population from emergency situations

Basic principles of labor protection

Basic principles of labor safety

Basic principles of using solar panels

Basic recommendations for first aid to victims

Basic requirements for emergency preparedness

Basic requirements for first aid personnel for victims

Basic rules for using electricity

Basic saponification processes and soap properties

Basic settings of the video camera

Basic theory of electricity supply

Basics of adoption and application of state regulatory requirements for labor protection

Basics of biogas technologies

Basics of electrical work

Basics of manipulating balls

Basics of semi-automatic welding

Basics of Wi-Fi

Bass amp

Bass amp with low distortion

Bass Booster for Portable Radio Equipment

Bass in the car: non-standard solutions

Bass reflex for bridge amplifier

Bass reflex settings

Batch communication: protocol AX.25

Batch radio modems


Batteries and batteries

Batteries for household appliances

Batteries of the world's leading companies


Battery battery operation in emergency mode

Battery capacity meter

Battery Care

Battery charge indicator

Battery charge regulator for solar cells

Battery charge-discharge device

Battery charger

Battery charger circuit breaker

Battery charger for starter batteries

Battery charger from 1.2 to 15 V and from 0.1 to 10 Ah

Battery charger, 1.2-15 volts 0.1-10 Ah

Battery charger, 2.5 amperes

Battery charging 7D-0,125 from network storage

Battery charging 7D-0,125D from network memory

Battery charging with asymmetric current

Battery checker

Battery current - indicator

Battery current indicator

Battery discharge / charging indicator

Battery Discharge Detectors

Battery discharge indicator

Battery discharge indicator in the lamp

Battery Discharge Limiter

Battery discharge warning light

Battery for imported camcorder

Battery from aluminum circles

Battery from an old battery

Battery low indicator

Battery low indicator (battery)

Battery operation D-0,1

Battery protection for emergency lighting systems

Battery recovery electric drills

Battery recovery from batteries

Battery Regenerator

Battery replacement in a small-sized LED flashlight

Battery service device

Battery status indicator with sound indication

Battery test

Battery Tester

Battery thermometer

Battery voltage converter to three-phase voltage 380 V

Battery voltage in the tube amplifier. Battery switch with discharge control

Battery voltage indicator on the chip K1003PP1

Battery voltage indicator UPS

Battery Voltage Stabilizer

Battery. Standard instruction on labor protection

Baycom radio modem for PC

Bayer Adolf von


Bayonet bayonet

Bayonet with update

Beacon for lemonade

Beacon for pets

Beacon signal builder

Beads disappear and reappear

Beads on pins

Beads stand upright

Beam indicator on light emitting diodes

Bearing screw of gyroplane

Beaufort scale, approximate wind speed estimate

Because of what did Hercules fight with the Amazons?

Bee operative

Bee swarm signaling


Beetle. Micro-power radio transmitter

Beginning ham radio. Instruments

Beginning ham radio. The first construction

Beginning programmers of PIC microcontrollers

Behavior of two drops

Behind the door bark...tape recorder

Behind the stern, in a foamy stream

Bekhterev Vladimir

Belgian Wheel Ointment

Bell sound from a spoon

Belovezhskaya Pushcha

Bench drilling machine

Bending by a teaspoon

Bending machine

Bending of organic glass

Bending of pipes with a spring

Bending the clock

Bending the spoon

Beneficial potato



Betnik for measuring the gain of high-power transistors

Beverage Antenna

BFO (Beat Frequency Oscillator), theory

Bi-amping for the recorder

Bi-amplification or bi-waring?

Bias current and its magnetic field

Bias generator


Bicycle computer

Bicycle direction indicator

Bicycle in suitcase

Bicycle music call on the microcircuit UMC-7-08

Bicycle on skis

Bicycle power plant

Bicycle power station

Bicycle Speedometer

Bicycle Stabilizer

Bicycle with LEDs

Bicycle with motor

Bi-directional frequency scanning in the VHF radio on the TDA7088T chip

Big Dice

Big drum imitator module for electronic drum kit

Big hit

Bike and rifle bullet

Bike Eight Direction

Bike Kid

Bimetal thermostat

Binder. Job description

Binding handkerchiefs

Binding rules

Biodiesel production


Bioenergetics. Status and prospects

Biofizometr for the diagnosis of a person's functional condition

Biofuel - to the detriment or benefit?

Biofuel. Composition of raw materials and parameters of its processing

Biofuel: Theory

Biogas from landfills

Biogas on the farm

Biogas plants

Biological (bacteriological) weapons. Rules of behavior and actions of the population in the focus of bacteriological defeat

Biological emergency situations

Biological theory of fermentation

Biomass as a constantly renewable source of fuel

Biomass energy

Biomass Separator. Job description

Biomass: pure energy for the future


Biphasic oscillator with adjustable pause

Biplane Grasshopper

Bipolar antenna DMV

Bipolar automatic electrostimulator

Bipolar power supply for battery equipment, 20 volts 50 milliamperes

Bipolar power supply with conventional transformer winding, 220/15 volts 3 amps

Bipolar power supply with unipolar source

Bipolar power supply, 220 / ± 12.6 volts

Bipolar power supply, 220 / 0.7-5.5 volts 2.5 amperes

Bipolar power supply, 220 / 3-20 volts 0.5 amperes

Bipolar regulated power supply, 220/5-15 volts 1 amp

Bipolar stabilized power supply, 3-15 / ± 5 volts 0.25 watts

Bipolar stress driver

Bipolar transistors with isolated gate (IGBT or IGBT)

Bipolar voltage from one transformer winding

Bipolar voltage from ordinary

Bipolar voltage from unipolar

Bipolar voltage regulator with water cooling, 220 / ± 41 volts 4 amps

Bipolar voltage regulator, 2x15 volts 1 ampere

Birdie and playing cube


Bird's Cunning

Bite checker

Bite of the tongue

Biten node

Bites of bees

Bites of poisonous animals

Bites of reptiles and insects

Bitmap font editor for graphic LCD

Bitten finger

Bituminous melter. Standard instruction on labor protection

Black aces change places with reds

Black and red cards

Black box

Black copper

Black lacquer for cast iron stoves

Black matte lacquer

Black mordant for aluminum

Black mordant for bronze

Black mordant for copper

Black mordant for silver

Black mordant for the horn

Black stain for iron and steel

Black tanning of sheepskins

Blacksmith forged forging. Standard instruction on labor protection

Blacksmith forging. Standard instruction on labor protection

Blacksmith on presses and hammers. Standard instruction on labor protection

Blacksmith. Standard instruction on labor protection

Blacksmith's work. Standard instruction on labor protection

Blank loop

Blanket for concrete

Blast furnace

Bleaching of a tree

Bleaching of bristles, horse and other hair

Bleaching of Greek sponges

Bleaching of linseed oil

Bleaching of solar oil

Bleaching of straw

Bleaching of the glue

Bleaching of the skin

Bleaching shellac

Bleaching wax with light


Bleeding after tooth extraction

Bleeding from the nose

Bleeding. Stop bleeding. First aid


Blizzard, blizzard


Block diagram of electronic ballast

Block for forming digits

Block VHF car radio YAMAHA 9500

Blood in the urine (hematuria)

Bloody Hand

Bloody knot

Bloody vomiting

Blow molding machine operator. Job description

Blow the candle through the bottle

Blue Coal

Blue Holes

Blue soldering iron sting

Blue varnish for steel

BLUETOOTH - what is it



Boat Assembly

Boat for calm water

Boat for every day and holiday

Boat motor

Boat unit

Boat with direct-flow steam engine

Boat with electric drive on solar cells



Boatswain Coastal. Job description

Boatswain's site

Bobtail antenna

Bodies of state supervision and control

Body hardening and its meaning

Body rihtovshchik. Job description

Body vibration sensor

Boeing 777 passenger airliner

Boiler operator, fireman, serving boilers with pressures above 0.07 MPa. Standard instruction on labor protection

Boiler pump control

Boiling glass in hands

Boiling soap

Boltzmann Ludwig

Bonding of wooden frames

Bonding the skin to the gland and wood

Bones into action

Bonfires and hearths

Book Stand

Bookbinder cutter

Boost DC / DC voltage converter, 12/300 volts

Booster for electric guitar

Bor Nils

Boric varnish for metals

Boring machine - from milling

Born Max

Bortooperator for the inspection of main pipelines. Job description

Both a low-power and miniature soldering iron

Both the board and the chassis

Both the watchman and the illuminator

Both will charge and weld

Bottle and balloon

Bottle and ribbons

Bottle automatic

Bottle like a bottle

Bottle on a string

Bottle on the wall

Bottle stuck to the forehead

Bottle with character


Bottles and Cigarettes

Bottom glass


Bouncing ball simulator of the ball

Bouncing coin

Bouncing ring

Bound Hands

Bouquet from a bottle

Bouquet from the tube

Bow and arrows

Box for the magical appearance of a dove

Box for tricks with cards

Box for underwater video shooting

Box with double bottom

Boxed kite

Boxes are controlled by a gesture

Boxes on the rope

Boxes with a surprise

Boyle Robert

Boyle-Mariotte Law

BPSK modem 1200

Bracelet on a rope

Bracket for electric razors


Brake fluid level indicator in the car

Brake in the egg

Branch of the branches. Standard instruction on labor protection

Brand Manager. Job description

Brand Manager. Standard instruction on labor protection


Bread stacker. Job description


Breadboard for microchips

Breakable stick

Breaker repair

Break-in and testing of repaired machines. Standard instruction on labor protection

Breaking Banana

Breaking test

Breeding a bonfire. Types of bonfires

Breeding ball

Breeding coin

Bricklayer. Job description

Bricklayer. Standard instruction on labor protection

Bridge meter SWR

Bridge of Giants

Bridge power amplifiers. Part one, single-channel

Bridge power amplifiers. Part three, four-channel

Bridge power amplifiers. Part two, two-channel

Bridge scheme for TDA2005

Bridge transistor rectifier

Bridge UMZCH with BSIT

Briefly about the selsyns

Brigadier of the repair and procurement department of the railway transport. Standard instruction on labor protection

Brightness control

Brightness control in the floor lamp

Briolin for hair

Broadband amplifier

Broadband amplifier on the transistor KT3115A

Broadband antenna amplifier TV signals

Broadband antenna for receiving TV

Broadband aperiodic RF amplifier

Broadband coordinated load

Broadband FET Power Amplifiers

Broadband matching

Broadband phase shifters

Broadband power amplifier

Broadband power amplifier from CB-747

Broadband room active loop antenna

Broadband TV antenna for DMV

Broadband UM for television broadcasting

Broadband vertical radiator

Broadcast network - emergency power source

Broadcast prefix to tape recorder

Broadcast VHF receiver with double frequency conversion

Broken and Recovered Watches

Broken magic wand

Broken match balance

Broken pencil

Broker. Job description

Bronchial asthma


Bronze the tree

Bronze varnishes

Broth Cube

Brown bear

Brown mordant for copper, brass and bronze things

Brown mordant for iron and steel items

Brown mordant for zinc things


Brush with a secret

Bubble packaging

Bubble, cork and shawl

Buckler and whip marker. Standard instruction on labor protection

Budget system of the Russian Federation. Crib

Buer Blue bird

Buffer cascade for line output

Buffer for protection of the square wave generator

Bugs, transmitters and receivers: basic terms

Building a hybrid cascade

Building a semi-copy model

Building electrician. Standard instruction on labor protection

Building joiner. Standard instruction on labor protection

Building Maintenance Specialist. Standard instruction on labor protection

Building mixer

Built-in digital voltmeter with measuring range -199.9...+199.9 mV

Built-in voltmeter on PIC12F675


Bunger Oasis

Burglar alarm for backyard utility rooms

Burglar alarm on solar cells

Burned card

Burned Money


Burner for gas flame brazing

Burning candle from the pocket

Burning light bulb

Burning match

Burning of iron and steel

Burning of paper decomposition products

Burning pencil

Burning water


Burns. Kinds of burns. Prevention of burns

Business consultant. Job description

Business law. Crib

Business Manager. Job description

Business planning. Crib

Business planning. Lecture notes

Business trainer. Job description

Busy phone line indicator

Butlerov Alexander

Butterfly flirts with a scarf around his neck


Button control


BVG: Features, features of operation and repair

By coloring the flame, we distinguish substances

By hours

By New Year's Eve

By the pike, according to your khotenju

By what criterion did Leonardo da Vinci define the real artist?

By what time does the famous Ring-a-ring o'roses refer?