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Thread
2007-12-16 by theredteleph0ne
2007-12-16 by sasami@hotkey.net.au
>I've seen in the archive that applying a DC voltage as carrier willThe carrier input goes straight into the diode ring already, so there is no
>allow the unit to function as a VCA. Perhaps my understanding of
>transformers is lacking - but wouldn't one need to bypass the
>transformer somehow to get DC into the ring?
2007-12-26 by Dirkjan vliesgaard
On Dec 16, 2007 8:06 AM, <sasami@...> wrote:
> >I've seen in the archive that applying a DC voltage as carrier will
> >allow the unit to function as a VCA. Perhaps my understanding of
> >transformers is lacking - but wouldn't one need to bypass the
> >transformer somehow to get DC into the ring?
>
> The carrier input goes straight into the diode ring already, so there is
> no
> issue. You cannot however apply a DC voltage to the INPUT and expect to
> control the carrier.
>
> Often with ring modulators, no distinction is made between the input and
> the
> carrier input, as they are more or less interchangeable at audio
> frequencies. However, at low frequencies and D.C. they are not
> interchangeable as the transformer blocks D.C. as you suggest.
>
> Ken
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