[sdiy] Phasing circuit

[patchell]

    There are circuits in Electronotes (just ran accross them last
night), and I thought our own JH had a circuit on his website (or, at
least, at one time)....

Czech Martin wrote:

> Has anyone built a "phasing" circuit for audio applications
> (instead for amatuer radio)?
>
> This is a passive RC network wich will deliver four signals
> with 90 deg phase difference on the outputs.
> It is driven by balanced input.
>
> It is described in "Art of ELectronics" and was supposed by Weaver.
> http://members.tripod.com/michaelgellis/mixerscom.html
> figure 14.
>
> Isn't the Hammond vibrato circuit very similar??
>
> I like the circuit because of matching.
> OTOH it has an amplitude "hump" which would need some
> compensation at the imput.
>
> m.c.

--
 -Jim
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