60 Hz Suppressor (CB6738E)

This filter is intended for 60 Hz noise suppression in amplifiers. We found it in American documentation from the 60s.

Inverter Amplifier (CB14877E)
The gain of this amplifier depends on the component values as well as the operating range and the...
Biestable Sound Switch (CB5991E)
This biestable vox circuit was found in an old documentation. The circuit makes use of components of...
Water Tank Electronic Float (CB17265E)
This circuit is from 2001 documentation with the purpose of controlling a pump that fills a water...