Monday, February 16, 2015

Circuit Schematic +/-12V Dual Power Supply

Eltronicschool. - Here is symmetric power supply circuit schematic with dual polarity +/- 12 Volt. This circuit is a solution to power up most of devices or projects requiring dual (+/-12V) power supply.

Circuit Schematic




Component List


Description

Circuit schematic like in figure 1 above is Circuit Schematic +/-12V Dual Power Supply. 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.

Features :

  1. Mains supply input 240 VAC
  2. Step Down Transformer 15-0-15V AC @ 350mA.
  3. Output +/- 12 VDC Dual, 350 mA
  4. Regulated Low ripple DC output
  5. Earth connection for chassis ground
  6. Onboard regulator for stable supply
  7. Dual output LED indication
  8. Supply input & output via screw terminal connector
  9. Dual unregulated output +/- 22 VDC via berg connector
The Original Article : "+/-12V Dual Power Supply"


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