Monostable 4098 (CIR25124E)

This CMOS circuit is re-triggerable. It was found in the April 1988 issue of Radio Electronics magazine;

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...