Flat response amplifier CIR16474S CB9390E (CB9390E)

This circuit was found in a 1970s documentation. The integrated circuit used is uncommon today.

Resistance test (CB8635E)
This circuit was found in a 90s Electronic Engineering. The quadruple operational amplifier can be...
Amplifier for light beam (CB26241E)
This circuit for link or alarm was found in the Encyclopedia of Electronic Circuits Volume 5 of...
Electronic Bongo (CB19816E)
The integrated circuit used in this application is uncommon today and specific to the application, as it...