AW: Re: sue you, sue me

Haible_Juergen#Tel2743 HJ2743 at denbgm3xm.scnn1.msmgate.m30x.nbg.scn.de
Wed Apr 3 22:27:00 CEST 1996


>That's odd, I believe this is exactly what Synthi did in it's VCS filter.

Yes.

> The Moog patent has expired now by the way, so I guess that means anyone
> can build transistor ladder filters now?

Yes.

> proprietary filter chip. But the bits outside the chip look a bit
> ladder-ish, and I started wondering if they'd gotten away with something.
> So how could anyone tell?

Are the capacitors connected to gnd, or are they floating?
Floating capacitors *may* be a hint of a ladder - but it could also
be a "folded cascade" like in the 2044. OTAH, if caps are grounded,
it's no ladder for sure. (Don't know what's in the 101.)

JH.



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