Half Wave Fast Rectifier (CB5160E)

This 80's circuit can be made with current comparators. Rectification accuracy is 1% DC up to 100 kHz.

Relative impedance meter (CB7487E)
Found in a 1960 Sylvania manual, this circuit can be implemented with a modern equivalent...
Hysteresis Light Alarm (CB6436E)
This circuit is from a 90s documentation. It has a hysteresis and uses a light sensing bridge. The...
Variable mixer (CB9032E)
This dynamic mixer allows for smooth adjustment of the signal's passage from one channel to...