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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Simple NiCad Charger (CB792E )
This charger can be used with one to four AA, AAA, C or D cells. The maximum current is given by R...
Wireless Sound Transmitter (CB25156E)
This wireless infrared remote sound transmitter is from an article published in the August 1988...
Automatic Telephone Recorder (CB5992E)
This circuit turns on an old cassette recorder when the telephone rings, thus enabling the...