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

Figure 1. Schematic +/-12V Dual Power Supply 

(Source: electronics-lab.com)

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"