The operational amplifier used in this application is uncommon today. This Raytheon circuit can be designed with equivalent operational and the power supply must be symmetrical.
This simple oscillator with just one transistor has a frequency determined by the characteristics of the...
This Zero Crossing Detector was found in a 1972 RCA manual, but it can be made using any modern...
The circuit shown was found in a Japanese publication from the 1960s. Transistors can be...