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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Guitar Tremolo (CB6709E)
This circuit is from an Electronics World of 1964. The circuit can be made with modern...
Dual Power Supply 12 + 12 V x 1 A (CB1182E )
We find this circuit in a Radio Electronics of July 1984. It consists of the traditional version of 1 A...
Linear Power Supply (CB25953E)
This circuit was found in the June 1990 issue of Radio Electronics magazine. The maximum current is 1...