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.

Ultrasound Doppler Transmitter (CB8731E)
This circuit was found in a 90s Radio Electronics. It produces an ultrasonic signal in a special...
60 kHz 60 MHz sweep generator (CB3953E)
This simple sweep generator circuit has been found in older documentation, but can still be easily...
12 V to 20 V converter 555 (CB13554E)
This switched DC / DC converter operates at a frequency of 6 kHz and its output is only a few tens...