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:: Home » Power supply » Variable Supply » Page 3

Variable Supply

LM317 with pass transistor circuit regulators

Last Updated on: July 26, 2022 by Apichet Garaipoom
Best 3A DC power supply adjustable voltage 1.2v to 20V and, 3v, 6v, 9v, 12V using lm317 and 2n3055

High quality, 3A adjustable voltage regulator. Using LM317 and 2N3055 so easy and cheap. Adjust voltage in steps 3V, 6V, 9V, 12V. And In fine, 1.25V to 20V. Read more

Categories Variable Supply, Power supply Tags 2N3055, Multi voltage regulated dc power supply 31 Comments

0-60V Dual Variable power supply circuit using LM317&LM337

Last Updated on: August 14, 2022 by Apichet Garaipoom
0-60V Dual Variable power supply circuit using LM317&LM337

This is a 0-60V, Dual Variable power supply circuit using LM317 and LM337 at 1.5A current so can builds to easy with PCB layout, adjustable voltage VR1,VR2 […] Read more

Categories Variable Supply, Power supply Tags LM337, Dual output power supply 51 Comments

0-12v variable power supply at 3A

Last Updated on: July 14, 2022 by Apichet Garaipoom
0-12V Variable power supply

In a normal circuit, the general LM350 regulator has a start voltage of 1.25V. But this circuit is special that start of 0-volts. We use only one IC and a few other components. So cheap and easy for you. Read more

Categories Variable Supply, Power supply 6 Comments

Variable zener diode circuit

Last Updated on: June 24, 2022 by Apichet Garaipoom
Experiment Variable Zener diode circuit

Let’s make the Zener diode with yourself! Read more

Categories Variable Supply, Basic Electronics Tags Zener Diode Regulators 8 Comments

0-45V 8A DC switching power supply circuit

Last Updated on: October 1, 2022 by ElecCircuit.com
basic of DC switching power supply circuit

This is DC switching power supply circuit with PCB, adjustable voltage 0-45V at 8A current max. low ripple and noise. full protection as most good supply […] Read more

Categories Variable Supply, Switching Mode, Power supply Tags High current Power Supply 9 Comments
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Categories

  • Amplifiers (94)
    • Preamplifiers (20)
  • Power supply (86)
    • Variable Supply (20)
    • Switching Mode (15)
  • Inverters (14)
  • Battery Chargers (13)
  • DC converters (18)
  • Digitals & Microcontrollers (35)
  • Controls & Timers (55)
    • Motor Controller (7)
  • Lightings (30)
  • RF – Radio Circuits (24)
  • Meters & Detectors (59)
  • Oscillator circuits (38)
  • 555 Timer (21)
  • Basic Electronics (64)
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