On Mon, May 24, 2010 at 5:32 AM, AK <00@case.edu> wrote:
> Hi group. =A0I'm designing an amplifier that should have a high common
> mode rejection ratio, and resistor dividers are required on the
> inputs. =A0I'm trying to avoid a manual trimming step. =A0Is there a
> common error trend of the resistors in a chip resistor array such that
> the resistance error between elements is commonly less than the
> overall resistance tolerance?
> thanks
> =A0-AK

Do note that thick film ceramic resistors have somewhat higher thermal
noise levels than, say, metal film. Depending on what kind of
amplifier it is, you may want to consider this.

-- =

http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist