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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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Technical maintenance:
Mishell Bulah

Daniel Monchukin

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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.

Nail, bar and records

Nails would be made from these people

Nakatchitsa of a pliable-bass production. A typical safety manual

Naked King

Name days for Anton and Onufry

Name the heart

Nanny. Job description

Napkin bouncing off the floor



Narrow microphone

Narrow-band antenna amplifier with tunable frequency response

Narrowband filter detector

Narrowband sweep source

National Avengers

National economy. Cheat Sheet

National economy. Lecture notes

National Grid of Great Britain

National microcircuits and their foreign counterparts

National microcircuits. Legend System

National security and national interests of Russia

Natural disasters: occurrence, consequences and forecasting

Natural disasters

Natural emergencies of biological origin (mass diseases): epidemics, epizootics

Natural Emergencies of Hydrological Origin: Floods, Selins, Tsunamis

Natural emergency geological character: earthquakes, volcanic eruptions, landslides, landslides

Natural emergency of meteorological origin: hurricanes, tornadoes, storms

Natural fires

Natural Grounding Devices

Nature does not have bad weather

Nature does not make jumps

Nature does not tolerate emptiness

Nature is not a temple, but a workshop, and the person in it is an employee


Naughty arms and legs

Naughty traffic jam

Nausea and vomiting

Near the blue sea

Necessary evil

Neck of a lace on a shoe

Nectar and Ambrosia (ambrosia)


Needle tab

Needle with thread

Needle-lightning rod


Needles on end

Negative impact of harmful substances on the habitat

Negative impact of solar radiation

Negligent attitude

Neighbors guarding the apartment

Neither belle

Neither me nor me (or the crow)


Nephritis and other inflammatory diseases of the kidneys

Nephrologist. Job description

Nerve of any business

Nervous diseases. Cheat Sheet

Nervous diseases. Lecture notes

Nesolono Slurps

Network adapters

Network administrator. Job description

Network Crone, 9 volts 0.03 ampere

Network Flash

Network Galvanic Element 373, 220 / 1.5 volts

Network indicator of inclusion on a two-color light-emitting diode

Network indicator

Network LED lamp with power supply unit on VIPer22A chip

Network LED light fixture

Network low-frequency transmitter

Network Monitoring

Network power supply of the transceiver - with your own hands!

Network Signaling

Network switching power supplies

Network switching power supply, 50 watts

Network timer with an exposure of 5 min

Network transformers from electric motors

Network Transmitter

Network voltages and frequencies in the countries of the world


Neuropathologist. A typical safety manual

Neuropathologist. Job description


Never say & quot; never & quot;

New antenna amplifiers

New Chronology

New features of microcircuit voltage regulators

New features of the old TV with CDS

New features of the raster font editor for LCD

New fuel recipe

New functions of the DT-830B multimeter

New KB Receiver

New letter in the alphabet

New life of an old clock

New modes in the combined instrument

New possibilities of the old autotransformer

New profession of laser pointer

New Russians

New schemes of super-regenerative radio receivers for VHF experiments

New sound 6АС-2

New technologies for the use of solar energy

New way to generate an SSB signal

New Year's clock

Newspaper duck

Newspaper Prophecy

Newspaper shirt



Newton Isaac

Ngorongoro Crater

Niagara Falls

Ni-Cd Charging Stabilizer

Nickel plating of copper, iron and steel

Nickel-cadmium batteries

Night light on LEDs

Night light with acoustic switch

Night light with adjustable brightness on LEDs

Night light, light fixture

Night of long knives

Nightingale, Piglet, Puppy Sound Generator


Nikola Tesla

NiMH battery charger with capacity measurement

Nine bars

Nine-band KB antenna

Ninth Wave

Nitrocellulose coating for polished surfaces

No ace in the eye

No anger and addiction

No comments (no comments)

No day without a line

No down or feather

No fools

No inspiration is sold, but you can sell the manuscript

No matter what a fool does, he does everything wrong

No one is a hypocrite in his games (pleasures)

No one is forgotten and nothing is forgotten

No one wanted to die

No one will give us deliverance, neither God, nor the king and not the hero

No pennies

No sleep, no rest to the exhausted soul

No small roles, there are little actors

No steering and no winds

No, I'm not Byron, I'm different

No, it's better to die without a return than the world is shameful with darkness and evil

Noah's Ark

Noble Nest

Noble patina

Noble rogue

Nobody writes to the Colonel

No-break scheme for switching on fluorescent lights

Node in the case

Node of emergency protection of low-voltage radio equipment

Node of protection of acoustics and acoustics from overcurrent

Node of signal level indication on the IWSSH1-11 / 2

Node on a scarf

Node on a string

Node on the cord

Node on the rope

Noise bridge, for tuning antennas

Noise Limiter during pauses

Noise of noise is different, there is one for which it's good to dream

Noise suppressor and automatic turn-off in the TV-set of the ULPTST (AND) -61-11

Noise suppressor for a sound card with unipolar power supply 12 volts

Noiseless voltage regulator, 220 / 0-220 volts 60 watts

Noise-Proof Acoustic Switch

Noise-Proof Power Supply

Nokia 5110/6110 Data Cable (max3232) schematic diagram and pinout

Nokia Flasher interface scheme

Nokia flasher

Nomenclature of Labor Protection Affairs

Nomenclature of powerful solar cells. Sharp solar panels

Nomenclature of powerful solar cells. Solar batteries from different manufacturers

Non-commissioned officer's widow

Non-contact capacitive relay

Non-contact capacitive sensor with a quartz resonator

Non-contact capacitive sensors

Non-contact charger

Non-contact control of power circuits up to 10 amperes

Non-contact electronic fishing rod - mormyshka

Non-contact electronic ignition system interrupter

Non-contact lighting control

Non-contact memory for the radio

Non-contact phase indicator

Non-contact switching-off of the starting winding of the electric motor

Non-electrical personnel. A typical safety manual

Non-engine engine

Non-Euclidean geometry

Non-freezing water supply

Non-impregnated fibrous electrical insulating materials

Non-Inverting Line Amplifier

Non-ionizing radiation

Non-programmable thermostats

Non-resistance to evil by violence

Non-separate cubes

Non-spilled glass

Non-splintering beads

Non-standard chip switching in UMHC


Normal characters are always bypassed

Normal human anatomy. Cheat Sheet

Normal human anatomy. Lecture notes

Normal physiology. Cheat Sheet

Normal physiology. Lecture notes

Normative acts on labor protection. Safety instructions

Normative and technical and organizational fundamentals of Belarusian Railways

Normative documents for ensuring industrial safety

Norms and conditions for free delivery of milk or other equivalent foods

North Cape

Northern Minerva

Northern Palmyra

Nose of rubber model

Not a dogma, but a guide to action

Not a mouse, not a frog, but an unknown animal

Not a pump, but a cannon

Not an empty sound for the heart!

Not an iota

Not at ease

Not cattle, not a tree, not a slave, but a man!

Not every bite of a string

Not flesh, but the spirit has become corrupted nowadays

Not flour, but current

Not from a good life

Not from this world

Not in the eyebrow, but in the eye

Not in the tooth

Not our person

Not philosophising slyly

Not Shakespeare's main thing, but notes to it

Not the poet who can play rhymes

Not the same map

Not timid

Not without kind souls in the world

Notary. Cheat Sheet

Notation on the schematic diagrams

Notch circuit from coaxial cable

Notch filter

Notebook - Routing Computer

Notes on the operation and repair of electric motors

Nothing is new under the moon

Nothing will come of nothing

Notifying civilians

Now everything will be like with Grandma

Now let go

Now or never

Nowhere except in the Mosselprom

Nozdrev. Nozdrevschina

Nozzle for liquids

NTV-2000 and NTV-1000 receivers work like radios

Nuances of magic

Nuclear fast neutron reactor

Nuclear Power Plant

Nuclear weapons, its brief description and impact on objects and people

Nugget node

Null Modem 25-25 pin (COM-COM)

Null Modem 9-25 pin (COM-COM)

Number 15

Number in the envelope

Number in the land

Nurse dressing. A typical safety manual

Nurse of intensive care and intensive care unit of anesthesiology and resuscitation department. A typical safety manual

Nurse of the day hospital. Job description

Nurse. A typical safety manual

Nurse. Job description

Nutrition in the desert

Nutrition of the patient

Nutrition standards for summer walking tours