This circuit is from Motorola's Linear Interface ICs of 1993. The integrated circuit is not common and the Triac is chosen according to the power of the controlled load.
This circuit, suggested by National Semiconductor, decodes audio signals from stereo TV...
Found in a 1970 documentation, this circuit makes use of 741 operational amplifiers that are...
Suggested by General Electric in 1967 documentation this circuit uses an isolation transformer to...