This PNP transistor power stage was found in the May 1969 issue of Radio Electronics magazine. The circuit uses a transformer for excitation and requires 10W input for full output power.
This circuit, obtained from ancient English documentation, produces a pulse every 24 hours when a 50...
This digital pulse counter offers an LED indication. Its maximum frequency is of the order of 5...
This circuit was found in an old RF documentation. The circuit cuts out the incoming sinusoidal...