[sdiy] why 10V

[René Schmitz]

René Schmitz wrote:
> Hi Don and Jürgen,
> 
> I think that has a flaw, because the allpass network doesn't provide a 
> 90 degrees shift from input to output, but two of these networks are 
> aligned so that a phase difference of 90 degrees emerges on two ouputs. 
> These networks have a progressing phase response. Phase is (more or 
> less) linear with frequency in these.

I have to read more carefully, Don, you were saying exactly that.

Why not use a more linear network as the "Weaver" type for a frequency 
shifter. At least there is no problem with clipping from stage to stage 
with these. Only at the output you have to watch out for the amplitude.

Cheers,
  René

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uzs159 at uni-bonn.de
http://www.uni-bonn.de/~uzs159