Pulse-triggered 7555 monostable (CB25128E)

We found this circuit in a Radio Electronics magazine from April 1988; The output timing is given by R1 and C1.

Continuity Test (CB22130E)
This circuit can be powered by 2 or 3 small batteries. The resistor can have values between 220...
Half V to 30 V regulator 7805 (CB15034E)
This circuit shows how to use a fixed 5 V regulator on a variable 1 A source. The integrated...
Sound Subcarrier Generator (CB21060E)
This circuit generates an FM signal of 4.7 or 10.7 MHz for audio signals on analog TV or FM, with...