This circuit was found in a 1980s American documentation. The circuit is based on integrated CMOS 4001 that are common today. The load is a relay according to the power supply from 6 to 12 V.
This circuit was obtained in a Japanese documentation from the 1960s. It uses a germanium...
This is the basic configuration of an operational amplifier sample & hold circuit. The FET and...
This is the power supply indicated for the previous circuit (CB18905E) providing a voltage of 24 V...