With this circuit it is possible to obtain a higher voltage from a zener diode. The circuit is from a 1970’s EEE. The device used as a constant current source is uncommon today.
Found in an Electronics Now from the 1980s, this circuit isolates a car's accessories from the...
Based on an integrated LM3914 Bargraph circuit. this design causes voltage variations between 0...
This circuit generates pulses to trigger power controls with SCRs and Triacs. We found it in a...