Cable Test (CB25206E)

Found in the March 1989 issue of Radio Electronics magazine, this circuit is used to test printer and other cables. The indication is made by LEDs.

| Clique na imagem para ampliar |

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...