Transformerless Power Supply


Posted on Jun 27, 2012

By selecting capacitors, various voltages can be obtained from this supply. Notice that C2 through C7 must be


Transformerless Power Supply
Click here to download the full size of the above Circuit.

nonpolarized capacitors, such as oil-filled or foil types (Mylar) rated for at least 250 Vac. Warning: This supply is not isolated from the ac mains and presents a serious safety hazard if body contact is made anywhere to this circuit or anything that is powered by it. Use only for applications where contact is avoided or impossible.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Vu Meter For Amplifiers
Dosage-rate meter
Signal-injector
All-analog automatic night light circuit
flipflop Purpose of the logic gate configurations on the Kenbak-1
synopsis
buzzer circuit
Simple receiver with microvolt sensitivity
Vacuum tube audio amplifier
Circuit to Measure Power Supply Voltages
Tuned-base Armstrong oscillator
Only one-way operation of the automatic control circuit of the motor



Top