[sdiy] $100 Chip fab service

cheater00 cheater00 cheater00 at gmail.com
Wed May 2 18:52:39 CEST 2018

Why would the characteristics differ? They're monolithic on a single chip,
and chips from different wafers will likely have the exact same
characteristics. Sure, stuff needs to be characterised, but once you have
that you're free to go. Bear in mind you get several orders of magnitude
more transistors than in a normal synth module.. so this opens a lot of

On Tue, 1 May 2018 20:25 , <mskala at ansuz.sooke.bc.ca> wrote:

> On Tue, 1 May 2018, Ben Bradley wrote:
> > I'm wondering what you can do in 1.8V "180nm CMOS technology" that's
> > not digital. Does anyone even have the analog characteristics of such
> > small N-channel and P-channel mosfets (and no BJTs, the heart of just
> > about any exponential converter)? I'm guessing they only have specs
> > for required voltage levels for 0 and 1, switching times and fanout
> > and such.
> That's be my concern.  Sure, any transistor can be used in an analog way,
> but if the relevant properties are not characterized and controlled, there
> may not be much point trying.
> --
> Matthew Skala
> mskala at ansuz.sooke.bc.ca                 People before principles.
> http://ansuz.sooke.bc.ca/
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