This amplifier, whose mounting on a printed circuit board was described in Radio Electronics of October 1960, has 35 W of power. The power supply uses a transformer and a set of 5 tubes.
This oscillator for testing resonant circuits was found in a Radio Electronics magazine from June...
This circuit, suggested by an old American publication, allows you to use the AM radio antenna of a...
This circuit limits (clip) the intensity of a signal, according to the setting of P. The circuit is...