12V Dual Power Supply using 7812, 7912
Dual DC Regulator using +12V, -12V and Ground output
7 Comments
March 13, 2017
Multi voltage power supply circuit using IC-78xx series
Multi voltage power supply circuit. There is 2 Dual output, The 12V are +12V,-12V, Ground. And also the 5V are +5V, -5V, Ground. All 1A max.
January 19, 2017
Simple transformerless power supply circuit
I collect these transformerless power supply circuit, use a capacitor instead, it smaller and lighter than transformer. There are circuits as follows.
August 17, 2012
12.6V Negative Voltage Regulator using PNP Emitter Follower
Simple 12V negative power supply circuit using Zener diode and transistor
September 13, 2008
9V negative power supply circuit, low ripple
This is a simple 9V negative power supply circuit that low ripple unregulated circuit.
September 13, 2008