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12V Power Supply using Zener and 741 Op. Amp.

12V Power Supply using Zener and 741 Op. Amp.

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  •  January 27, 2021
  •  12V Power Supply using Zener and 741 Op. Amp.
  •  Posted by Marcel at 8:19 am
  •  No Responses
  •  Power Supply
  •  Tagged with: zener

This 12V Power Supply has, as its main characteristic, a low output impedance. This is a very desirable feature in voltage sources and is achieved with a large open loop gain that the operational amplifier has.

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12V to 9V DC Converter Circuit Diagram (PCB)

12V to 9V DC Converter Circuit Diagram (PCB)

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  •  November 17, 2020
  •  12V to 9V DC Converter Circuit Diagram (PCB)
  •  Posted by Marcel at 12:28 pm
  •  No Responses
  •  Power Supply
  •  Tagged with: PCB, zener

This 12V to 9V DC converter is very useful for powering 9V DC devices in a car that uses 12V battery. The maximum current consumption allowed by this circuit is 0.8 amps.

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