This circuit supplies a voltage of 42 V, plus a symmetrical voltage of 12 V with 1 A. The voltage regulators must be mounted on heat sinks. The transformer is 35 + 35 V with 3 A.
This circuit is from the Audio Handbook of the National Semiconductor of 1977. Its purpose is to...
This circuit is both a signal injector and a signal follower. A key selects the operating mode. The...
The operating frequency of this circuit is 465 Hz and the input voltage is 12 VAC. The circuit is...