On Tue, Sep 6, 2011 at 2:21 PM, Forrest W Christian <forrestc@imach.com> wr=
ote:
> I'm using a derivitative of bob's circuit to produce a rail to clamp to.
>
> That is, two forward diodes and a transistor arranged as in bob's
> schematic to produce vclamp. =A0The second diode is to compensate for the
> additional drop... =A0I use BAT54S'es as clamps, so I just use a single
> 54S ignoring the center pin to get the two diodes....

You compensate a PN-junction drop with a Shottky diode?

Regards,
Mark
markrages@gmail

--=20
Mark Rages, Engineer
Midwest Telecine LLC
markrages@midwesttelecine.com

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