This circuit filters low frequency noise from the turntable motor. We found it in a 1989 documentation. The font doesn't have to be symmetrical, but it should have excellent filtering.
This circuit is suitable for use with 1400 kHz range FI receivers. Changes can be made to other IF...
This circuit came out in the American magazine Electronics Now, in a 1993 issue. The magazine no...
This circuit produces rectangular and triangular signals using two 741 operational. The source must...