Broadband amplifier (CB9179E)

Found in an old Popular Electronics, this circuit has a gain of 20 dB. The integrated circuit is uncommon today.

Nicad Protected Charger (CB6401E)
This circuit was found in a European documentation from 1964. The circuit makes use of components of...
Precision Current Source LM11 (CB14344E)
We found this circuit in the Linear Applications Handbook of the National Semiconductor of 1994....
Reverse Channel Rhythmic Light (CB19154E)
This interesting circuit, found in a European publication from the 90s, has two control channels for...