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High Voltage DC Supply
(circuit on demand)
Output voltage 100-150 Volt DC from 6 volt battery supply.
Isolated 5V power supply
(circuit on demand)
Isolated supply suitable for building two supply from a single supply.
Transformer less 5V power supply
(circuit on demand)
Low current and cheap power supply suitable for microcontroller and low current application like Light emitting diode.
+/- 12V Power Supply
Based on 7812 and 7912 regulators.
1.3V Power Supply
The circuit can replace the use of small batteries.
9-V Stabilized Power supply
Regulated DC Power Supply
DC Adapter Power Supply
Variable 3 - 24 Volt / 3 Amp Supply
AT PC Power Supply 1
Computer power supply
AT PC Power Supply 2
AT PC Power Supply 3
AT PC Power Supply 4
AT PC Power Supply 5
0 to 30 Volt Lab Supply
Power supply without using modern regulators.
Dual polarity power supply
Based on LM317 and LM337 adjustable voltage regulator
High Current Power Supply
Based on 2N3055 NPN power transistor
Open loop supplying 1watt power
Suitable to be connected to devices like µC in their sleep mode.
Isolated 5V 1A power supply
Isolated power supply from a regulated 5V dc supply
High Voltage Supply from ignition coil
Based on 555 timer
Simple 9,12,15 Volt Power supply
U
ses different transformer tapping for different voltage range
Quasiresonant converter using CMOS IC
:
Simple ±12V power supply
A simple circuit can provide ±12V from a 5V
Simple Boost Converter Generates 27 & 87V
600 Volt Power Supply
Full wave voltage doubler that converts 230V to 600V
Transformer less Power Supply
Regulated DC supply without transformer
Transformer less Power Supply 2
Transformer less Power Supply 3
The circuits were used to control mains equipment hrough an optically isolated triac such as the MOC 3020.
Transformer less Power Supply 4
Low power and cheapest power supply
Transformer less Power Supply 4
Based on voltage regulator, supplies 150mA Current
Power Supplies & Transformers
DC Power Supply using Step Down Rectifier
10 to 30K Volt Flyback Power Supply
Based on 2N3055 used in push pull oscillator configuration
13V 20A Power Supply Unit
1 kV Power Supply
Night-Vision Scope Power supply
High Voltage supply for electronic fence
Based on 555 timer operated in monostabel and astable mode
Mosfet stabilized High Voltage Power Supply
High Voltage Adjustable Power Supplies
High Voltage Generator
The circuit can be used for breakdown tester
1500V DC power supply
The circuit can be used to supply power to laser unit
High Voltage High Current Power Supply
Based on step up transformer
High Voltage Low Current Supply
Uses 2N3700 as a switch to control the oscillator
DC UPS
Supplies 5V and 12V DC even in case of power failure
12 Volt 30 Amp Power Supply
Using a single 7812 IC voltage regulator and multiple outboard pass transistors
UPS for USB devices
Reference voltage for multiple ADCs
Multiple Voltage Power Supply
Regulator Provides ±12V from 5V Source
Variable Dual Lab Power Supply
800mA and +/-1.2 to +/- 25 Volt Power supply
Laboratory V
ariable Power Supply
Soft Start power Supply
The output voltage rises slowly and reaches 15 V in 5 seconds
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