This detector with ultra-low deviation was found in an American documentation from the 90s. Operational amplifiers are from that time. The power supply must be symmetrical.
This circuit is from a 1967 General Electric SCR manual. The circuit supports other SCRs depending...
Found in an Electronics World of 1968 this circuit can use any SCR and diodes depending on the...
The purpose of this circuit is to re-trigger slow scan circuits used in the 1980s on low frequency...