Placed near a common receiver, this oscillator is intended to generate a beating signal to receive RTTY or SSB communications. The circuit is from old telecommunications documentation.
Microchip's EQCO62X20 6.25Gbps Asymmetric Coax Equalizer is a driver/equalizer chipset that forms...
This circuit can turn-on (only) a load (relay or lamp) when S1 is pressed. The circuit can be used as...
This circuit with TTL compatible output was found in a 1968 US documentation. The circuit is...