[sdiy] Setting up PDN on Frequency Shifter

[jhaible]

That's what I did as a final test on my PDN.
I can't say how good it is, because I had selected components
very precisely when I built it (no trimmers), so it was just
a final check.

JH.


-----Ursprüngliche Nachricht-----
Von: Grant Richter <grichter at asapnet.net>
An: <synth-diy at dropmix.xs4all.nl>
Gesendet: Freitag, 8. November 2002 08:58
Betreff: [sdiy] Setting up PDN on Frequency Shifter


> I have been asked to calibrate a Frequency Shifter.
>
> I know the general theory of operation, but would anyone care to share
> practical tips on the best way to set up the phase difference network?
>
> I know the two sides will form a circle at 90 degrees when connected to
the
> X and Y inputs of a oscilloscope. Is this accurate enough to get the best
> sideband rejection, or is there another method?
>
> Thank you for any help.
>
>
>