With frequency control and active cycle, this circuit was found in General Electric documentation from the 1960s. The circuit supports equivalent components.
Other operational amplifiers series, such as the MC34072, MC34074, MC35071, MC35072, MC35074 d...
This symmetrical power supply with a current of the order of 100 mA was found in an old...
This circuit for semiconductor laser excitation and modulation was found in an American...