This simple source with zener regulation is ideal for experimental projects with operational amplifiers. Other voltages can be obtained by changing the zeners and the transformer.
This 50 kHz oscillator makes use of a CTUJ, complementary unijunction transistor. The circuit is...
This circuit from a Popular Electronics from the 90's can generate signals from 0.03 Hz to 3 kHz...
This protection circuit short-circuits a load when the voltage exceeds a certain value causing the...