This integrated amplifier was found in a non-existent British magazine from 1975. The used integrated circuit is still popular and the mono bridged version can provide 36 W output power. 4 A.
Found in American documentation from 1968, this circuit uses both diodes and a neon lamp to...
This circuit was found in a Radio Electronics from June 1966. The transistor is from the time. The...
This circuit generates two pulses per cycle of alternating voltage for full wave control. The...