Dual Polarity Power Supply +/- 15V based Transistors

Dual Polarity Power Supply +/- 15V based Transistors
This Dual supply circuit is suitable for installation of power analog (audio or measurement), it provides a bipolar voltageĀ  with voltage sourceĀ  between 20 and 50 V (in audio power amp, for example). Regulated output voltage is 15V, but can be adjusted from + /-12V or + /-18V by simply changing two components. The maximum output current must not exceed 100 mA each branch. (more…)