The SuperSCAF From AFtronics
A SCAF is a " Switched-Capacitor Audio Filter. The SuperSCAF contains none of the components usually found in audio filters . There are no coils, op amps. or precision-matched components . The SuperSCAF has an over 150dB/octave rolloff. It also has a 5O-Hz-wide filter to effectively cope with a busy CW band or pileup
I know nothing about this and make no claims of it working not. Buy for Parts or refurb |