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:: Home » Power supply » Variable Supply

Variable Supply

It is a power supply circuit that can adjust the output voltage or current. But it still has the same characteristics as a fixed regulated circuit. It will keep a stable voltage when it has any load.

Start with: Simple variable power supply circuit

0-30V Variable Power Supply at 3A

Last Updated on: October 21, 2022 by Apichet Garaipoom
0-30V Variable Power Supply at 3A

Let’s create a 0-30V 3A Laboratory DC Power Supply. High efficiency variable regulator that new circuit design using UA723 and TIP3055 Read more

Categories Variable Supply, Power supply Tags LM723 42 Comments

Ham radio power supply circuit with RFI elimination

Last Updated on: July 13, 2022 by Apichet Garaipoom
Ham Radio Power Supply circuit with RFI elimination

Here is Ham radio power supply circuit using LM350T x4 in parallel for Amateur radio CB/RF/VHF. The output is 13.8V at 10A current. It is good circuit with PCB low noise RFI elimination. Read more

Categories Variable Supply, Power supply Tags High current Power Supply 2 Comments

LM338 | Datasheet | Adjustable Power Supply 5A and 10A

Last Updated on: August 4, 2022 by Apichet Garaipoom
LM338 _ Datasheet _ Adjustable Power Supply 5A and 10A

If you want to a LM338 variable dc voltage power supply circuit during 1.2V to 30Vdc and can provide a current maximum to 5A. Read more

Categories Variable Supply, Power supply, Basic Electronics Tags 5A Regulated Power supplies 39 Comments

Simple Variable power supply circuit

Last Updated on: July 10, 2022 by Apichet Garaipoom
Simple Variable power supply circuit 0-30V 2A

This is simple variable power supply circuit 0-30V 2A using transistors basic circuits for beginner can builds easy with a few parts looks circuit 2 ….. Read more

Categories Variable Supply, Power supply Tags 0-30V power supply 36 Comments

LM317 voltage regulator: Pinout, CALCULATOR, and circuits

Last Updated on: August 4, 2022 by Apichet Garaipoom
LM317 voltage regulator: Pinout, CALCULATOR and circuits

When we build variable DC power supply,output 1A and adjust up to about 30V. Most use LM317, because high-efficiency, easy to apply and cheaper[…] Read more

Categories Variable Supply, Basic Electronics 11 Comments
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Categories

  • Amplifiers (94)
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    • Variable Supply (20)
    • Switching Mode (15)
  • Inverters (14)
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