Archive of the former Yahoo!Groups mailing list: MOTM

can't wait to get one...
peace,
doc

--- In motm@egroups.com, "Paul Schreiber" <synth1@a...> wrote:
> Working on the MOTM-101. Some things to report:
>
> a) Upgrading the op amp in the white noise amps to make even
∗whiter∗ noise.
> Also, the new amp
> runs at a lower gain, so more noise gets through.
>
> b) Switching the normalized S&H input from WHITE to PINK noise.
There reason
> is that there is such
> more high-frequency content that the distribution of "random
samples" was
> too close to 0 volts (which is what
> it's ∗supposed∗ to be!) But that makes for boring S&H noodlings. So
> switching to PINK as the default
> causes a much wider distribution of output voltages.
>
> c) Not changing the internal clock range all that much. It is still
on the
> "slow" side. If you need exact clocking
> in the 1Hz to 10Hz range, use a MOTM-320. The max rate is still
about 15Hz,
> same as the '100. With an EXT CLK,
> you can sample up to about 4Khz for some "lo-fi" Mirage sampling
effects.
>
> All that is left to mess with is the SLEW. Since all I can use is
100K log
> pots, I have to use larger cap and
> the op amps don't like that. The max. SLEW may be about 0.5sec. Of
course,
> the MOTM-820 can slew ∗minutes∗.
>
> Paul S.