All of this is determined by the workload the heroic Harry Bissel will bear, without turning
into a bear.
Right now we have:
Power connector
2 x poly fuses
2 x 1N4001
2 x Filter caps
TL431 shunt regulator (for DAC reference)
LM78L05ACZ
some 0.1 ceramics
4 x TL074 or 8 x TL072 or whatever you like to put there
16 x 3 pin pot connectors
9 trim pots (optional that every input channel be calibrated).
2 x 16 pin DAC chips
40 some resistors .
40 pin processor socket
32 x 1N4148 protection diodes (inputs an outputs)
Various connector pads and perfboard areas
I would guess that is about 4 hours for schematic capture, 4 hours to place and another 4
hours to route.
So about a weekend of Harry's very valuable time.
We might be able to wedge a connector to some kind of evaluation board in this glorious
mess. Like if there was an eval board for that programmable analog chip they keep talking
about making Moogs out of...
http://www.anadigm.com/Sol_10_d.asp--- In
ComputerVoltageSources@yahoogroups.com, Eric Brombaugh <ebrombaugh@...>
wrote:
>
>
> You mean something like these:
>
> http://www.okisemi.com/english/ml2870.htm
> http://www.necel.com/mobile/melody/en/product/pd9971.html
>
> and many others. The trouble is that they're all
> surface-mount, usually BGA and probably only available
> in qty 10000+. Neat idea though...
>
> Eric
>
> --- Grant Richter <grichter@...> wrote:
>
>
> > I still wish we could put a little noise chip on the
> > CVS board so it could be a truely stand
> > alone electronium. Are we sure there isn't a cheap
> > I2C or SPI noise maker chip or
> > something?
> > How about a cell phone ring tone chip? Or a video
> > game noise chip? Maybe a frequency
> > synthesizer with an SPI programming port?
>
>
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