Found in a 1964 Electronic Design, this circuit generates pulses based on an avalanche diode of the time. The circuit can be tested with modern equivalent components.
This commercial transistor radio was manufactured by RCA in the 1960s. The circuit has only 4...
This circuit has a normally low output that is triggered by a high pulse. The circuit is from...
Suggested by a 90s Popular Electronics this circuit is intended to receive volleys or whistles...