Monostable 4047 (CB25123E)

This re-triggerable circuit was found in the April 1988 Radio Electronics magazine. Timings are given by R1 and C1.

Phase Modulator (CB7928E)
This circuit is from a 1968 Electronic Design. The components are from the era and the operating...
Piezoelectric transducer driver (CB8117E)
This circuit was found in an Electronic Design from the 90s. The integrated circuit is from that...
Timer Switch (CB16474E)
This circuit, from a 1988 documentation, activates a relay for a period and has a touch shutdown as...