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Subject: RE: [ComputerVoltageSources] Trial Faceplate Layout

From: "John Loffink" <jloffink@...>
Date: 2006-03-11

The more I read this, the more I think Grant is pulling our leg. This is a
good example of feature creep. Welcome to marketing 101. :-)

John Loffink
The Microtonal Synthesis Web Site
http://www.microtonal-synthesis.com
The Wavemakers Synthesizer Web Site
http://www.wavemakers-synth.com


> -----Original Message-----
> From: ComputerVoltageSources@yahoogroups.com
> [mailto:ComputerVoltageSources@yahoogroups.com] On Behalf Of Grant Richter
>
> I guess we could add the option of a slew limiter for each ouput. If you
> want, populate the
> board and wire you jacks to a differnt set of ouputs. That will add 4 more
> pots and
> possibly 4 more jacks if you want both.
>
> At this point we are up to 12 knobs, 19 jacks, 6 LEDs, three 5 pin DIN
> connectors and a
> DB9 connector.
>
> With 1/4" connectors, that is like half a 19 "rack. Same with Frac-Rac, a
> very big faceplate.
> Then if you add a LCD display somewhere...
>
> Any more stuff and the faceplate will be so expensive it will be too
> expensive for students
> and beginning hobbiests.
>
> For those who want to begin laying out faceplates, the faceplate component
> list is:
>
> Jacks:
> 1 v/oct in 1-4
> Variable CV in 1-4
> CV out 1-4
> Run Pulse in
> Stop Pulse in
> Speech out jack
> Gate out jack
> Trig out jack
> Gate in jack
> Trig in jack = 19
>
> Pushbuttons:
>
> Run / Stop = 2
>
> Knobs:
>
> CV offset 1-4
> CV attenuator 1-4
> Ouput slew 1-4 = 12
>
> 5 pin DIN:
> MIDI in
> MIDI out
> DIN in or out = 3
>
> DB9 for programing interface
>
> LEDs:
>
> CV indicators 1-4
> Run / Stop LEDs = 6 total
>
> Who is going to volunteer to do layouts in .fpd fromat?
>
> One for MOTM and one for Frac-Rac. That will give us some idea of PC board
> dimensions
> to work with.
>
> I think we can use the Metalbox style 1900H knobs and Alpha pots for Frac-
> Rac.
> The jack spacing should accept either Switchcraft (Blacet) or 16PJ135
> (Wiard) jacks.
> The 16PJ135 jacks wire up very neatly because of the ground tangs being
> in-line.
> The knurled nuts are designed to be assembled with fingernails, so that is
> one less tool
> you need.
>
> --- In ComputerVoltageSources@yahoogroups.com, "Gary Chang" <gchang@...>