+/-12V Dual Power Supply

Rajkumar Sharma      http://www.rajkumarsharma.com  

627 

Product_Image

This project is a solution to power up most of devices or projects requiring dual (+/-12V) power supply.

Description

Symmetric +/-12 VDC power supply has been designed for audio applications, can power up microphone pre-amplifier, audio buffers, audio mixer, distributions amplifier, headphone amplifier, VU meter and few o other equipment or projects required dual supply.

Specifications

  • Mains supply input 240 VAC
  • Step Down Transformer 15-0-15V AC @ 350mA.
  • Output +/- 12 VDC Dual, 350 mA
  • Regulated Low ripple DC output
  • Earth connection for chassis ground
  • Onboard regulator for stable supply
  • Dual output LED indication
  • Supply input & output via screw terminal connector
  • Dual unregulated output +/- 22 VDC via berg connector

Schematic

Schematic

Parts

BOM_th

PCB

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