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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Microphone Preamplifier (CB13683E)
Originally this piezoelectric microphone preamp was designed to be built-in, but given the use of a...
Baxandall Tone Control (CB14009E)
This is the traditional configuration of Baxandall bass and treble control, using passive...
800 W dimmer (CB5277E)
We found this circuit in an American publication from the 1990s. The triac must be equipped with a heat...