AW(Magnus): [sdiy] analogue phase modulation

[harrybissell at copper.net]

It does not work in my spice simulation.
I have done a similar circuit that does
work... but I have never been able to get
Magnus' one working as advertized

H^) harry


>
>
>
>---- Original Message ----
>From: jhaible at debitel.net
>To: cfmd at bredband.net
>Subject: Re: AW(Magnus): [sdiy] analogue phase modulation
>Date: Thu, 11 Jan 2007 20:18:45 +0100
>
>>> OK, so if +/- pi radians is all it takes, then inserting my 
>>> sawtooth phase
>>> modulator
>>> 
>>>
>http://rubidium.dyndns.org/~magnus/synths/schematics/sawphaseshift.pd
>f
>>> 
>>> should be enought. Just do a normal sawtooth core, and sine 
>>> waveshaper and
>>> away you go.
>>
>>Magnus, are you sure this circuit works?
>>
>>I would expect the strong square wave from U1A's output via R2 to
>crush
>>anything coming from R1, creating a pulse wave at U2B's output ...
>>
>>JH.