Found in a 90’s Popular Electronics, this circuit uses two CMOS inverters to generate a signal of a few hundred hertz determined by C1 and the R3 setting.
This circuit was found in a 1967 General Electric documentation. The circuit generates signals...
Sine signals are converted into square signals by this simple circuit. The maximum frequency is...
We found this touch control on a Popular Electronics from 1970. The circuit makes use of an...