Clues and Ideas

Articles
Title
Small DC Motor as a Dynamo (IP059)
2N4987 and 2N4990 (IP057E)
2N4988 and 2N4989 (IP058E)
2N4983 and 2N4986 (IP055E)
2N4984 and 2N4985 (IP056E)
Three-Way Switch (IP053E)
Two Wire Control for Two Lamps (IP054E)
Two-Way Switch (IP052E)
Extracting Fuses (IP050E)
Hertz Loop (IP051)
Paper Clip as Alligator Clip (IP049E)

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Baxandall Tone Control (CB10829E)
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
Dual modulator (CB6912E)
This circuit was obtained in a 1969 documentation. The circuit modulates both the emitter current and...
Superheterodyne FM Receiver (CB4334E)
The integrated circuits used in this 1989 project are uncommon today, including the IF coil that...