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.
In this phase shift circuit, the transistor can be any general-purpose transistor. The circuit is from...
This simple circuit was obtained from Popular Electronics in December 1990. The magazine no longer...
This circuit was found in an old American documentation. Its purpose is a proportional scanning signal...