This preamplifier circuit for turntable cartridges was found in the March 1994 issue of Electronics Now magazine. The circuit is suitable for magnetic cartridges.
This passive circuit was found in the March 1995 issue of Elexctonics Now magazine. The circuit is for...
This circuit was found in an ancient American documentation. Used integrated circuits are uncommon...
Using the 555 and 4020, this timer was found in the July 1994 Radio Electronics magazine. The...