Flat response amplifier CIR16474S CB9390E (CB9390E)

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

Reversible Ring Counter (CB6598E)
This circuit was found in a 1966 General Electric documentation. The circuit makes use of PUTs...
Modulation Using na UJT (CB224E)
This circuit uses na Unijunction Transistor (UJT) to produce a modulation tone for several...
Under and Overvoltage Indicator (CB14977E)
This circuit causes one LED to light up if the voltage falls below the value set in R3 and the...