[sdiy] $100 Chip fab service

mskala at ansuz.sooke.bc.ca mskala at ansuz.sooke.bc.ca
Tue May 1 20:23:48 CEST 2018


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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