The integrated circuit used in this old configuration is not common today. In it we have the way to control two SCRs in a control circuit connected to the AC network.
We found this complementary simetry configuration in a1980s documentation. Transistors, which are...
This circuit was obtained from the May 1971 issue of Radio Electronics magazine and is intended for...
This circuit acts as a VU-meter when connected at the output of any audio amplifier, triggering a...