This is a field strength meter found in an 80's Hands On. The circuit operates at frequencies up to 500 MHz and has a buzzer as its indicator. Can be used as a detector for spy transmitters.
This 60 V High Side bidirectional sensor was found in a 2005 Linear Technology handbook. The...
The purpose of the circuit of the figure is to control a servomotor remotely using a simple signal...
What this circuit does is change the logic level of a signal thus serving as a different logic...