Dual polarity 15V power supplyThis simple split / dual polarity unregulated power supply circuit provides a +15 Volt and -15 Volt supply from a single transformer winding and one full-wave bridge. A couple of zener diodes in series give you the voltage division and ...
Unregulated Power supply for high-end audio amplifier with two polarityThe Power supply for high-end audio recommended for work with with your hi-fi amps shown in the project is actually very simple, without any good skill level is needed to create (or even design) one. There are several factors you ...
Dual Polarity Power Supply +/- 15V based TransistorsThis Dual supply circuit is suitable for installation of power analog (audio or measurement), it provides a bipolar voltage with voltage source between 20 and 50 V (in audio power amp, for example). Regulated output voltage is 15V, but can ...
Dual Output Power Supply +/-53V / 3A based on TransistorsThis is the circuit diagram of dual output power supply +/-53V / 3A based on transistors. This circuit has been designed for audio amplifier power supply requires a symmetrical + / -53 V (+ / -56 V maximum). The role ...
Simple Symmetrical Power supply +25v -25vThis symmetrical unregulated power supply is used to feed the audio amplifier based on LM1875 amplifier module National Semiconductor. With symmetrical 30V DC source the amplifier capable of delivering up to 30W of power using 8 ohm load. The diagram ...