At 10:52 AM 2/4/2003 -0600, you wrote:

>On Tuesday 04 February 2003 08:48 am, you wrote:
>I'm going to try that here shortly, since Jinx (IIRC) confirmed usage of
>the comparator input at 100mV.  The data sheet says you should keep the
>input impedance below 10K, and I am using a 10K pot, so maybe that has
>something to do with it.  I don't have a lousy 4.7K pot anywhere.  :-(

Impedance seen from the wiper of a 10K pot connected to the power supplies
at either end is, at most, 2.5K, at least about 0.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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