Phase Detector 7400 (CB22427E)

This circuit detects the phase of a signal. As it is a TTL circuit, it must be powered by a voltage of 5 V.

Comparator with Hysteresis LM139 (CB4007E)
This circuit, from the 1990 Motorola Dataar Databook, can use any LM139 series comparator. The circuit...
Flasher Power MOSFET and 555 (CB15694E)
Incandescent lamps of up to a few amps can be placed to flash with this circuit. The frequency depends...
Low Consumption Pulsator (CB20346E)
This circuit produces the ticking of a clock on a common piezoelectric transducer. The circuit has an...