Monostable 4047 (CB25123E)

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

Basic Low Pass filter (CB12558E)
The circuit shown in the figure is suggested by National Semiconductor and makes use of an...
Multitest (CB22213E)
This circuit, suitable for tube equipment, was found in an old documentation. It uses a high...
Pulse Generator (CB24910E)
This circuit is part of an integrated circuit tester published in an article in Radio Electronics...