Flat response amplifier CIR16474S CB9390E (CB9390E)

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

Operational Power Booster (CB14097E)
The configuration shown can be applied to modern operational amplifierso with common power...
Operational equalizer (CB23902E)
This circuit appeared in Radio Elecronics magazine in 1968. The operating circuit is a...
Changing a voltmeter scale (CB24261E)
The circuit shown is from a September 1973 Radio Electronics. It reduces the full scale of a...