The pre-amp will boost to VCO levels. So leave it out now, and install when
VCOs arrive.
All this resistor does is keep the filters from clipping at 10V pk-pk. The
outputs from most
gear is 2V pk-pk max, more like 1V pk-pk.
The filter ∗still works∗ with the resistor in.
Paul S.
----- Original Message -----
From: Brousseau, Paul E (Paul) <PaulBr@...>
To: <motm@onelist.com>
Sent: Wednesday, January 05, 2000 7:49 PM
Subject: [motm] MOTM-410 question...
> 'Evening all... having satisfied myself that my MOTM-120 is indeed in
proper
> working order (a good gain boost does help a lot, as well as judicious
> selection of signals), I've started going over the MOTM-410 construction.
> My question relates to R68, the resistor which is put in place when the
> modular is to be used with MOTM-300 oscilators. At some point in the
> not-too-distant future, I'd like to use MOTM oscillators. At the same
time,
> I don't want to leave out the option of using the filter on other signal
> sources. For the moment, I won't be soldering in the resistor.
>
> Is the resistor simply to be used on 10V peak-to-peak signals? And if so,
> will the planned pre-amp module bring signals up to that strength,
requiring
> the resistor at all times? Or is there something else about the MOTM
> oscillator (I can't imagine what exactly, amperage?) that makes it
> necessary?
>
> Thanks!!
>
> --PBr
>
>
> --------------------------- ONElist Sponsor ----------------------------
>
> GRAB THE GATOR! FREE SOFTWARE DOES ALL THE TYPING FOR YOU!
> Tired of filling out forms and remembering passwords? Gator fills in
> forms and passwords with just one click! Comes with $50 in free coupons!
> <a href=" http://clickme.onelist.com/ad/gator4 ">Click Here</a>
>
> ------------------------------------------------------------------------
>
>