Adjustable Infinite Slope Crossover

After finally getting my circuit simulating correctly (PSpice Error Thread) I was wondering if it is possible to accuratley change the crossover point of an infinite slope xover using only a variable resistor? The aim (eventually) is to have a digitally controlled Infinite Slope Crossover for use in my Preamp.

I have included an updated (from the last thread) schematic and project file for Orcad 9.1 (and others I'd expect)...



  • infinite slope
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