This is the old name given to flip-flops or biestable multivibrators. In fact, this is a 1967 Ferranti circuit, triggered by a light sensor.
Found in Popular Electronics, this sophisticated short-wave receiver requires a lot of skill from...
This circuit, which can be found elsewhere on this site, detects positive pulses of a signal. The...
This microphone preamplifier with output intensity adjustment is suitable for modulating...