[sdiy] SSM2164 Filter Cells

[Neil Johnson]

Hi,

Aaron Lanterman wrote: 
> 
> On Jul 22, 2009, at 12:07 AM, David G. Dixon wrote:
> 
> > A resistor-to-ground
> > and follower should also work just fine if you don't want to invert,
> 
> I'm not sure about that with the 2164... I do recall reading something  
> on the datasheet about its particular current output wanting to see a  
> virtual ground in order to be happy (not the case with a usual OTA).

Doesn't have to be a virtual ground, but the output compliance is pretty low (+/- 0.1V) so an op-amp I-V converter makes the most sense.

Neil
--
http://www.njohnson.co.uk