Non Inverting Amplifier (CB6433E)

Based on an operational of the time, this Popular Electronics circuit can be designed with any equivalent operational.

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CMOS Mixer (CB9033E)
This touch-controlled circuit was found in English documentation from the 1970s. The components...
5-Range Ammeter for DVM Module (CB25225E)
This 5-range current measurement circuit was found in the September 1989 issue of Radio...
1A Adjustable and Fixed Regulator (CB1207E )
The FAN1117A and FAN1117A-5 integrated circuits from Fairchild consist of fixed and adjustable...