This circuit is one of many of its kind that can be found on this site. This one is from a September 1987 Radio Electronics. The triac must be controlled according to the load.
This sensitive multi-circuit and component prover uses two transistors and has a switch position where...
The LM117 (217 and 317) provides 1.2 A with output up to 25 V and is manufactured by several...
Found in a 1980s documentation, this amplifier uses an integrated circuit that is not easy to...