This circuit was found in an article in Electronics Now magazine from March 1997. The transistors are general purpose, and the indicator is a 1 mA full scale analog type.
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...