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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

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

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


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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Free encyclopedia of electronics and electrical engineering / Articles

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Power supply units

Free library / Articles / Electric power supply

Power supply units

Power supply units. Articles with illustrations and detailed explanations:

10-kilowatt switching power supply for a concert Amplifier

12 V power for security systems (module 24)

12 V from the USB port

120 V power supply in a 220 V network

12-channel phase power control

15 W simple switching power supply

220-volt 400-watt car outlet

36 V soldering iron power supply unit

3-phase Vage formers

40 W Switching Power Supply

50 Hz power transformers

500 W Switching Power Supply for Car Amplifier

50-watt network switching power supply

A powerful power source designed for a load current up to 10 A

A powerful power supply for a low-frequency Amplifier, 27 V 3 A

A powerful power supply unit for transmitters from a power supply unit of a personal computer, 220 / 13.8 V 300 W

A simple auto-oscillating switching power supply of 1.5 kW for an audio power Amplifier

A simple bipolar power supply, 220 / 0.7-5.5 V 2.5 A

A simple emergency power source

A simple laboratory power source

A simple laboratory power supply, 220 / 15 V 1 A

A simple laboratory power supply, 220 / 16.32 V 0.5 A

A simple power source for BP2857D for LED lamps

A simple power supply, 1.5-30 V 5 A

A simple power supply, 220/5 V 0.5 A

A simple power supply, 5 V 0.5 A

A simple regulated power supply on an L4960 chip, 5.1-40 V 2.5 A

A simple switching power supply on a UC3842 chip

A simple switching power supply, 220/15 V 1 A

A simple switching Vage converter for the TV's power supply

A simple transformerless power supply unit, 220/5 V

A simple UPS based on an electronic transformer

A simple Vage regulator on the thyristor for 127 and 220 V

A simple, powerful switching power supply for powering radio electrical equipment, 220 V 300 W

A switching laboratory power supply unit on an LM2575T-Adj chip, 15-18 / 1.2-15 V 1 A

A variant of a powerful power supply

About powering low-power household equipment

AC adapter with electrical isolation, 220/9 V

Adapter for powering a laptop in a car

Adjustable power supply from BP2-3, 220 / 1.5-9 V 300 mA

Adjustable power supply with a switching Vage regulator, 3.3-9 V 0.5 A

Advanced power supply on the UCC28810 chip for LED lamps

Advanced simple power supply

Advanced switching power supply in a matchbox, 220/9 V 10 W

Advanced switching power supply in a matchbox, 9 V 1.1 A

Advanced, economical power supply, 220 / 2x25 V 3.5 A

Alteration of network adapters

Amateur Radio Power Supply, 1.5-24 V 3 A

Antenna Amplifier Power Supply Option

Application of barrier-resistive elements - baristors in power sources

Audio Player Power Supply, 3.1 V 260 mA

Automotive power supply for multimeter, 13/9 V 8.9 mA

Backup power source for a pocket flash-player

Backup Power Supply, 12/220 V 180 W

Backward switching power supply

Bipolar power from a unipolar source

Bipolar power supply for battery equipment, 20 V 50 mA

Bipolar power supply with a conventional transformer winding, 220/15 V 3 A

Bipolar power supply, 220 / 12.6 V

Bipolar power supply, 220 / 0.7-5.5 V 2.5 A

Bipolar Power Supply, 220 / 3-20 V 0.5 A

Bipolar regulated power supply, 220/5 ... 15 V 1 A

Bipolar stabilized power supply, 3-15 / 5 V 0.25 W

Buzzer Overload Alarm

Calculation of low-power power transformers

Calculation of the power supply network transformer

Car digital clock power supply

Car laptop power supply without winding elements

Car power source for a laptop, 12/18 V

Car Power Supply for Laptop

Car Power Supply for Laptop, 12 / 16-35 V 8 A

Car Power Supply for Laptop, 12/19 V 3 A

Cascade Backward Switching Power Supply, 220 / 12.6 V 0.5 A

Charger 5 ... 10000 mAh

Charging the battery from Peltier elements

Circuit design of switching power supplies

Combined power supply, 220 / 0-12 and 0-215 V 0.5 A

Compact power supply - from electronic ballast

Compact power supply, 9 V 0.6 A

Compact transformerless power supply, 220/9 V 0.2 A

Computer power supply in amateur radio structures

Connecting small portable 120-volt power supply units to a 220 V network

Control unit of the laboratory transformer

Cost-effective Triac Control Device

Current Limit Indicator

Current protection device in a bipolar power supply

Design of instant manufacturing of the power source

Determining the number of turns of the windings of a power transformer

Economical Power Supply

Economical switching power supply, 220 / 2x25 V 3.5 A

Economical switching power supply, 220 / 2x27 V 600 mA

Economical Triac Control

Electronic transformer for power

Electronic transformers for 12V halogen lamps

Emergency power supply from a battery, 12 V 200 W

Evolution of flyback pulse power sources

Full description of the 200-watt PC power supply circuit

Half-bridge quasi-resonant power supply

High Frequency Power Supply for Fluorescent Lamps

High Vage Power Supply

High Vage Power Supply, 100 W

High Vage Stabilized Power Supply, 9-12 / 100-700 V

High-voltage battery-powered source, 9 / 10-500 V 1.5 mA

High-voltage generator (Kirlian apparatus), 220/30000 V

Horn to the power supply

Improving the power supply

Increasing the output power of stabilized power sources

Invisible power supplies

Key transformerless power source

Lab power supply on a chip, 3-30 V 1 A

Laboratory DC Vage and current source

Laboratory power supply 5 ... 100 V, 200 mA

Laboratory power supply from a matrix printer power supply, 220/24, 5 V 1.5 As

Laboratory Power Supply from UPS

Laboratory power supply on integrated Vage regulators, 220 / 1.25-27 V 3 A + 0- 24 V 0.6 A

Laboratory power supply with adjustable current limit, 0-30 V 3 A

Laboratory power supply with diagnostics

Laboratory power supply with integrated protection

Laboratory power supply, 0-20 V

Laboratory power supply, 220 / 0-20 V

Laboratory power supply, 220 / 12.5 V 5 A

Laboratory power supply, 220 / 3-24 V 2.7 A

Laboratory Switching Power Supply

Laboratory Switching Power Supply on L4960 Chip, 220 / 5-40 V 2.5 A

Laboratory Transformer

Load equivalent for checking power sources

Low-power laboratory power supply with a charger function, 220 / 1.25 ... 14 V 150 ... 400 mAs

Low-Power Supply

Low-Power Switching Power Supply

Low-power switching power supply, 220 / 9-10,5 V 45 mA

Mains power supply for a digital camera

Managing Electrified Vehicle Models or Toys

Master oscillator power supply generators

Mechanical power supply for an MP3 player

Microcontroller-controlled power supply, 0-25 V

Microdrill Power Supplies

Microdrill power supply device

Miniature power supply, 220 / 5-12 V 100 mA

Miniature power supply, 2-5 / 3.3-5 V 100-200 A

Miniature power supply, 5-12 V

Miniature switching power supply, 220 / 12 V

Miniature switching power supply, 220/27 V 25 W

Miniature switching power supply, 220/5 V 3 W

Module for measuring and protecting the power supply

More about power supplies with a damping capacitor

Multimeter Charging Console

Multiply Vage

Network adapter in crown dimensions, 220/5 V 0.2 A

Network Krone, 9 V 0.03 A

Network power supply for a screwdriver

Network power supply for an electronic mechanical watch with backlit dial

Network power supply for car radio stations

Network power supply for the player

Network power supply for transistor equipment, 220 / 6.8 V 350 mA

Network power supply with high specific parameters

Network Switching Power Supplies

Network Transceiver Power Supply, 220 / 13.8 V 25 A

Nine V Crohn power source, 9 V 100 mA

Noise-proof power supply, 220/5 V 1.5 A

Once again about the power of the digital multimeter from the network

Overvoltage source, 12/30 V 80 mA

Perpetual Power Supply

Power Adapter with Timer, 220/9 V 250 mA

Power device, 127-220 / 9 V 25-30 mA

Power management of computer peripherals, 1200 W

Power source with galvanic isolation

Power sources: micropower, medium power, powerful

Power supplies for import transceivers, 220/13 V 30 A

Power supplies for LCD and LED displays

Power supplies for MP3 player and game console

Power supplies with a capacitor Vage divider

Power supplies with PWM stabilizers

Power supply / charger, 20 V 5 A

Power supply 220 / 13.8 V 10 A

Power supply antenna Amplifier, 9-12 V 20 mA

Power supply control device

Power supply current protection device

Power supply for a 42 V electric soldering iron

Power supply for a car transceiver, 13 V 20 A

Power supply for a CB radio station

Power supply for a home laboratory, 0-30 V 4 A

Power supply for a sick battery (1)

Power supply for a sick battery (2)

Power supply for amateur radio, 0-30 V

Power supply for analog and digital circuits

Power supply for car Amplifier, 12 / 20 V 70 W

Power supply for children's electrified toys, 220/12 V

Power supply for electromechanical clocks (1)

Power supply for electromechanical clocks (2)

Power supply for Ethernet switch D-Link DES-1005D

Power supply for ionizer

Power supply for LED lamp

Power supply for low-frequency Amplifier, 1 kW

Power Supply for Low-Frequency Tube Car Amplifier

Power supply for low-power fluorescent lamps

Power supply for measuring devices

Power supply for portable equipment from USB-port

Power supply for radio station P109

Power supply for the DT-182 multimeter

Power supply for the measuring device on the chips

Power supply for the multimeter M890G

Power supply for the transceiver

Power supply from the film-viewing device

Power supply in a 220/12 V 0.5 A lamp

Power supply indication unit

Power supply of an imported radiotelephone

Power supply of the test station

Power supply on LM723 chip, 12 V 25 A

Power supply on the LM78H12K chip, 12 V 5 A

Power supply to the multimeter

Power supply unit for a 18 W low-voltage soldering iron

Power supply unit of CB-radio station

Power supply unit of the radio with switching Network-battery

Power supply unit on LM723 chip, 0-30 V 3-5 A

Power supply with a short-circuit protection system

Power supply with a smooth polarity reversal, + 12 / -12 V

Power supply with adjustable Vage, 220 / 0-20 V, 0.4 As

Power supply with Amplifier, 0-5 A

Power supply with automatic charger

Power supply with automatic charger on the comparator, 220/4 V 0.1 A

Power supply with continuous inversion of output Vage, 12-15 / 5 V

Power supply with damping capacitor, 220/3 V 0.5 A

Power supply with digital indication of Vage and current, 220 / 0-30 V 5 As

Power supply with electronic Vmeter, 220 / 0.3-30 V 1 A

Power supply with fixed output Vage, 4.5-16 / 12-72 V 65 mA

Power supply with galvanic isolation from the network on the optocoupler

Power supply with high specific parameters, 5 V 6 A

Power supply with light indication of Vage

Power supply with overcurrent protection

Power supply with pre-regulator, 1.5-25 V

Power supply with protection against overloads and short circuits from simple details of past years

Power supply with short circuit protection, 0-12 V 400 mA

Power supply with short circuit protection, 12 V

Power supply with smooth Vage inversion, 12-15 / + 5-5 V

Power supply with timer

Power supply, 0-12 V 0.3 A

Power supply, 12 V 20 A

Power supply, 12 V 6 A

Power supply, 1-29 V 2 A

Power supply, 13.8 V 20 A

Power supply, 13.8 V 20-25 A

Power supply, 220 / 0-50 V 5 A

Power supply, 220 / 5,9,12 V

Power supply, 220/3 V 0.2 A

Power supply, 2x51 / 2x32 V

Power supply, 5-25 V

Power supply, 60 V 0.1 A

Power supply-timer, 220/9 V 1 A

Power Transformer for Power Amplifier

Powerful bipolar stabilized power supply, 2x44 V 4 A per channel

Powerful laboratory power supply for electrical equipment repairs and battery charging, 1.5-30 V 25 A

Powerful laboratory power supply unit on transistors, 220 / 3-30 V 2 A

Powerful laboratory power supply with an operational Amplifier

Powerful laboratory power supply with high efficiency

Powerful power supply, 13.5 V

Powerful power supply, 220 / 13.6 V 20 A

Powerful power supply, 220/32 V 1000 W

Powerful pulse stabilized power supply

Powerful switching power supply, 220 / 2x50 V 800 W

Powering a 12-volt fan from the mains

Powering low-voltage radio equipment from the network

Powering low-voltage radio equipment from the network, 3 V 0.2 A

Powering MP-3 player RoverMedia Aria-C7 from USB

Powering the laptop from the power supply of the old TV

Precision micropower reference Vage source

Protection of the power supply unit against short circuit

Pulse Charger

Pulse power supply unit of the audio power Amplifier, 200-240 / 10,20,25 V 3 A

Pulse Vage regulator on an MC34165P chip

Pulsed Laboratory Power Supply, 0-30 V 0.01-5 A

Pulsed Power Amplifier, 200 W

Rectifier for high currents with small losses

Reducing ripple output Vage

Reducing the heating of transformers of low-power power supplies

Refinement of the laboratory power source

Refinement of the power supply AV3302

Refinement of the power supply SY-002-5-12

Regulated bipolar power supply, 12/6 V 2 A

Regulated power supply for current up to 1 A

Regulated power supply with automatic Vage switching at the input of the stabilizer

Regulated power supply with current protection

Regulated power supply with overload alarm, 220 / 0-15 V 1 A

Regulated power supply with protection, 220 / 1,2-24 V 2 A

Regulated power supply, 0-20 V 2 A

Regulated power supply, 1-37 V 1.5 A

Regulated Transformer

Regulator to bipolar power source

Repair and revision of the charger of NOKIA cell phones

Repair and use of network transformers

Repair of imported power transformers

Repair of network transformers

Repair of the power module of the LG 42LM669T-ZC TV

Repair of the power supply of the microwave oven

Repair the switching power supply unit PC202003040

Replacing the SD4842P67K65 chip on the FSDH321 on the S-12-12 power supply

Running a switching power supply

Self-Disconnecting Power Supply

Simple laboratory power supply, 1.3-30 V 1.2 A

Simple power supply, 220 / 11-20 V 22 A

Simple switching power supply, 220/5 V 4 A

Small-sized simple power supply, 220 / 6-9 V 0.25 A

Small-sized switching power supply, 12 V 2 A

Smooth start of pulse and transformer power units

Solar batteries in multimeters and radio receivers

Solar Power Adapter

Solar Power Supply

Sources of bipolar reference Vage

Specialized Power Supply

Stabilized adapter from unstabilized, 220 / 5.6 V 0.2 A

Stabilized Laptop Power Supply

Stabilized power supplies for the player

Stabilized Power Supply 5/9 V 0.5 A Relay Protection

Stabilized power supply for six values ??of the output Vage, 220 / 3,4,5,6,7.5, 9.12 V 0.25 A

Stabilized power supply for soldering irons

Stabilized power supply for tuning low power modules

Stabilized power supply unit of the audio power Amplifier

Stabilized power supply with an output Vage of 5 V

Stabilized power supply, 0-30 V

Stabilized Power Supply, 220 / 0-27 V 0.5 A

Stabilized power supply, 220 / 1-29 V 2 A

Stabilized power supply, 220 / 1-40 V

Stabilized power supply, 40 V 1.2 A

Stabilized regulated power supply with overload protection

Stabilized VIPER-switched switching power supply - from the charger

Superminiature switching power supply in thimble dimensions

Switching power source for consumer electronics

Switching power supplies for a Philips DVD DVDQ50 DVD player

Switching power supplies, 48 / 24-36 V 5 A

Switching power supply - from the charger

Switching power supply based on a block from a DVD player

Switching power supply based on PC power supply

Switching power supply based on PWM UC3842, 60 W

Switching power supply for a stereo Amplifier, 220 / 2x15 V 2x2 A

Switching power supply of a powerful audio power Amplifier

Switching power supply of memory devices

Switching power supply on a single junction transistor

Switching power supply on LM2577 chip, 220 / 3.5-30 V 0.2 A

Switching power supply on PXM controller LX1552

Switching power supply unit on a KA2S0880 chip, 220/15 V 70 W

Switching power supply unit, 220 / 13.5 V 10 W

Switching power supply with half-bridge converter

Switching power supply with Vage regulator, 1-32 V 200 W

Switching power supply, 220 / 29x2 V 8 A

Switching Power Supply, 220/5 V 2.5 A

Switching Power Supply, 5 V 0.2 A

Switching power supply, 8-40 / 5 V 500 mA

Switching power supply, 9 V 3 A

Switching regulated power supply for lamp equipment

Symmetric dynistor - in power sources

TDA4605 chip power supply unit, 220/12 V 4 A

Tesla transformer - variations, experiments

Tesla transformer power supply with microcontroller control

The power source on the UCC28810 chip for an 18 ... 48 W LED luminaire

The power supply circuit of the electronic clock from the network

The power supply from an Epson printer to power the audio power Amplifier

The power supply unit of the AF Amplifier on chips and transistors

The simplest power supply circuits for various equipment

The Vage doubler on the audio Amplifier chip

Three phases - from one

Three power supplies with switching regulators

Three Vages from one crown

Three-channel stabilized power supply

Three-state power Amplifier

Thyristor stabilized power supply with adjustable and overcurrent protection

Transformer blocks with ballast capacitor

Transformer from a magnetic starter

Transformer Testing Device

Transformerless high power unit for amateur transmitter

Transformerless Power Supplies

Transformerless power supply unit on a field-effect transistor

Transformerless power supply with adjustable output Vage, 220 / 16-26 V 2 W

Transformerless power supply, 220 / 12-22 V

Transformerless power, up to 30 mA

Transformerless source of supporting power

Transformerless stabilized power supply on the integral stabilizer, 220/12 V 150 mA

Transformerless uninterruptible power supply, 220/3 V 300 mA

Transformerless Vage doubler for small devices, 100 mA

Two power supplies for portable equipment

Two transformerless power supply units, 220 / 1.4 V 1 mA

Two Vages from one source

Unicum AC power source

Universal charging and power supply device

Universal device for checking a switching power supply

Universal low Vage power supply

Universal Power Supply

Universal Power Supply, 2-12 V 1 A

Universal power supply, 2-300 V 0.9 A (2-22 V 6 A)

Universal powerful power supply, 220 / 3-20 V 500 W

USB Port - 6-15 V Power Supply

USB-COM-LPT converter on the microcontroller

USB-connector in the laboratory power supply

Using a TV transformer

Varicap power sources

Voltage indicator for a network extension cord

Voltmeter for laboratory power supplies

All articles of the section Electric power supply:

Electric power supply. Chargers, accumulators, galvanic cells

Electric power supply. Current controllers, Vage and power regulators

Electric power supply. Equipment protection from emergency operation, uninterrupted power supply units

Electric power supply. Miscellaneous

Electric power supply. Power supply units

Electric power supply. Vage stabilizers

Electric power supply. Vage transducers, rectifiers, inverters