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Laptop Power Supply for Car Schematic Diagram – Circuit Schematic
Laptop Power Supply for Car Schematic Diagram
Laptops today are the what is called notebook computers, which now is becoming popular. Laptops can be brought into the bag making it suitable for business trip...
Circuit High-Voltage Generator with HEX FET Schematic Diagram – Circuit Schematic
Circuit High-Voltage Generator with HEX FET Schematic Diagram
The schematic diagram below show a circuit of high voltage generator. This circuit uses a 4049 hex inverter as an oscillator, and you can use ignition transform...
Protectors Circuit on SMPS (power supply) Schematic Diagram – Circuit Schematic
Protectors Circuit on SMPS (power supply) Schematic Diagram
The simplest example SMPS which still uses 3 transistors (C3807, A1015 and power transistors) classic problem that often occurs is: -Problem in the feedback cir...
20A Transformerless Power Supply Schematic Diagram – Circuit Schematic
20A Transformerless Power Supply Schematic Diagram
This PSU has been abnormally advised in place of current-hungry ham telephone system transceivers. It delivers vigilantly in relation to 20Amps on 13. 8V. For c...
Switching Mode Power Supply using STR Schematic Diagram – Circuit Schematic
Switching Mode Power Supply using STR Schematic Diagram
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6 - 12 Volt Adjustable Power Supply Circuit Schematic Diagram – Circuit Schematic
6 - 12 Volt Adjustable Power Supply Circuit Schematic Diagram
Power Supply in this article use a regulator that is composed of 2 pieces of NPN transistor. A transistor acts as a power regulator and a transistor again serve...
Universal Power Supply Circuit with IC LM317 Schematic Diagram – Circuit Schematic
Universal Power Supply Circuit with IC LM317 Schematic Diagram
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Simple Power Supply Circuit easy to make Schematic Diagram – Circuit Schematic
Simple Power Supply Circuit easy to make Schematic Diagram
In the first, voltage from AC 220V or 110V entered to the transformer and will be lowered into 12V AC. And then AC voltage will be rectified by 4 diode or you c...
Multiple output switching power supply circuit Schematic Diagram – Circuit Schematic
Multiple output switching power supply circuit Schematic Diagram
This power supply uses two VN400A 400 Volts MOSFETs in a half-bridge power switch configuration. Each output consists of +5V at 20 A and 15 V at 1 A. Three-term...
High current output switching power supply Schematic Diagram – Circuit Schematic
High current output switching power supply Schematic Diagram
This is low voltage high-current ouput, switching dc power supplly wiht input 220 Volts AC, In this circuit, an St2 diac relaxation oscilator, Q3, C1, and the d...
-15 Volt output regulated power supply circuit Schematic Diagram – Circuit Schematic
-15 Volt output regulated power supply circuit Schematic Diagram
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Variable AC Power Supply Circuit – Circuit Schematic
Variable AC Power Supply Circuit
Variable AC Power Supply Circuit. In electronics, it is often handy to have a fully isolated variable AC power supply. With such a device you can safely test va...
Self switching Power Supply – Circuit Schematic
Self switching Power Supply
Self switching Power Supply. One of the main features of the regulated power supply circuit being presented is that though fixed-voltage regulator LM7805 is use...
MINIATURE ISOLATED AC/DC POWER SUPPLY – Circuit Schematic
MINIATURE ISOLATED AC/DC POWER SUPPLY
MINIATURE ISOLATED AC/DC POWER SUPPLY. This circuit uses a novel approach to produce a fully isolated and regulated 5 volts @30ma from the 120vac power line. It...
12KV High Voltage Generator – Circuit Schematic
12KV High Voltage Generator
The 12KV High Voltage Generator beneath uses an abnormal adjustment to accomplish about 12, 000 volts with about 5uA of current. Two SCRs anatomy two beating ar...
Upgrade Your USB Hub – Circuit Schematic
Upgrade Your USB Hub
Problems can arise with USB hubs that are powered from a PC when gadgets plugged into them draw too much current. This is often the case with devices fitted wit...
Fully Adjustable Power Supply – Circuit Schematic
Fully Adjustable Power Supply
Based on a National Semiconductor application note, this circuit uses an LM317 3-terminal regulator (REG1), chosen because of its built-in over-current and over...
Regulated Dual Power Supply Circuit Using Regulator IC – Circuit Schematic
Regulated Dual Power Supply Circuit Using Regulator IC
The circuit is use to regulation dual power supply that provides +12V and -12V from the AC mains. A power supply like this is a very essential tool on the work ...
35 Ampere Power Supply – Circuit Schematic
35 Ampere Power Supply
To make 12Volt 35 Amp Power Supply such as those titles can using LM7812 voltage regulator as the regulator 12 Volt DC and as a power supply can use transistor ...
Alternative Halogen Power Supply – Circuit Schematic
Alternative Halogen Power Supply
Readers who do not care to modify the power supply of an old PC into a suitable halogen power source (see our April 2006 issue), may find the present design a w...