We found this circuit for musical instruments in the March 1992 Radio Electronics magazine. The circuit has outputs according to the desired scale from a crystal oscillator at the indicated frequency.
June 2017 - These new AVX capacitors are suitable for filter applications, considerably reducing...
This traditional SCR flip-flop configuration is from an American publication from the 1970s. The...
Other operational amplifiers in the series, such as the MC34072, MC34074, MC35071, MC35072,...