This complex circuit was found in the 1993 edition of the Electronics Experimenter's Handbook. Most of the components are still common today.
Motors up to 2 A DC can be controlled by this circuit that we find in the manual for linear...
We found this circuit in the October 1992 Radio Electronics magazine. The frequency is given by C1...
This voice scrambler is used to obtain effects in the 2.5 to 5 kHz range. The circuit is from...