Bode Barber Pole Phaser

[Martin Czech]

Look at J.H.'s frequency shifter, quadrature tri wave oscillator.
As in Tietze-Schenk.

m.c.

:::From: WeAreAs1 at aol.com
:::Date: Fri, 24 Nov 2000 14:45:22 EST
:::Subject: Re: Bode Barber Pole Phaser
:::To: Wallace.Turner at tms-ltd.com, synth-diy at node12b53.a2000.nl
:::Content-Transfer-Encoding: 7bit
:::
:::The way you make a barber pole phaser is to use the four outputs of a 
:::quadrature sawtooth LFO to modulate four separate phase shifters.  That's the 
:::simple answer.  Unfortunately, I'm just stepping out the door right now, and 
:::I don't have time to add any details.  Maybe someone else could fill in, or 
:::point to some useful quadrature oscillator schematics?
:::
:::Michael Bacich