This circuit, which can be found elsewhere on this site, detects positive pulses of a signal. The circuit was suggested in Texas Instruments documentation from the 1980s.
This circuit is from a Radio Electronics from August 1992. The transistor used allows the control of...
This circuit with TTL output was found in a 1968 EEE. The transistor can be of general use. The...
This circuit serves as an audio output for AM or even FM radios and was found in a Radio...