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Schematic
A symmetric power supply mostly used in amplifiers. If you want to create a symmetric power supply with a current of more than 1 amp, you would just remove IC79** and IC78** (output current of this IC is 1 amp), replace D1, D2, D3, D4 with a diode bridge with a range 35A, and replace the capacitor by increasing the charge and voltage.
PCB layout
Names
|
Value
|
Quantity
|
|||
Transformer CT
|
15V, 9V
|
1
|
Voltage Source
|
||
Diode
|
1N4002
|
6
|
Rectifier
|
||
Elco
|
2200 uF/ 16V
|
3
|
Filter
|
||
IC1
|
LM7805
|
1
|
Positive Voltage Regulator (+5V)
|
||
IC2
|
LM7812
|
1
|
Positive Voltage Regulator (+12V)
|
||
IC3
|
LM7912
|
1
|
Negative Voltage Regulator (-12V)
|
||
Related post:
12V Portable and Mobile Power Supply Circuit Diagram
Charger Circuit Using LM 317 with Input 18V Battery
The Working Principle of Power Supply
Symmetric Power Supply +35V and -35V Project
MAKES A POWER SUPPLY 12V 5A
There are Power Supply 12 V and 5V Selections :Charger Circuit Using LM 317 with Input 18V Battery
The Working Principle of Power Supply
Symmetric Power Supply +35V and -35V Project
MAKES A POWER SUPPLY 12V 5A
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7 comments:
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Teb.
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National Power Supply
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