This circuit was originally designed with the operational 747 which is rare today. However, the circuit is valid for any operational that must be powered by a symmetrical source.
Two inverters of a 4069B type CMOS integrated circuit form this oscillator which is characterized by having...
Raytheon's used operational amplifier is rare today, but the configuration can be adapted to use...
Found in a radio amateur magazine of the 1980s, this circuit uses components that can still be...