The purpose of this circuit is to reduce the ripple of a power supply. The circuit is from a Radio Electronics from March 1985. The transistor must have a capacitance according to the source.
n be assembled with BC558 transistors for low power transistors and a BD136 for the output. The...
This circuit, found in 1980s documentation, produces a rectangular signal of the same frequency as the...
This mixer with few components can be tried by the reader who needs this circuit, but who does not...