Dual voltage power supply 12 volts


Posted on May 16, 2012

This circuit is a dual voltage regulated power supply, +12, -12, 0 volt. It uses the 7812 and 7912 regulators. You need a 18VCT, 1A transformer at input.


Dual voltage power supply 12 volts
Click here to download the full size of the above Circuit.

Caution: Input / Ground are reversed between the 7812 and 7912.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

LEDs or Lamps Sequencer
Remote control ultrasonic switch
Infrared receiver
Audio operated relay
Voltage-level-indicator
Operational Amplifier tutorial
ADC Tester (A2100)
multiplexer with limiter and low pass
Bedini Self Oscillator High Voltage Output
Star-Gate for Hyper-Space Travel
Medical call with lighting signal receiver circuit diagram
Balanced cross tube inverter circuit
A third harmonic current phase protection circuits



Top