Suggested by General Electric documentation from 1968, this circuit activates a relay after 60 seconds, keeping it closed. PUT is an uncommon component today.
The purpose of this circuit is to monitor the output voltage of a power supply. The under and over...
The basic idea of this 1989 circuit is to trigger a relay for a while when a call signal occurs on...
Found in a 1980s documentation, this amplifier features high common mode rejection. The operating...