> -----Original Message-----
> From: St=E5le Freyer [SMTP:staale.freyer@TN.HIS.NO]
> Sent: Wednesday, April 09, 2003 12:01 PM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      Re: [PIC]:A/D problem w/16F877 - reduced range (Vref+/-)
>=20
> Sorry, don't agree on that the output is independant of supply voltage.
> The output of a Wheatstone-bridge is /proportional/ to the supply
> voltage. The sensitivity is usually given as=20
>=20
> mv(bridge diff. output)/V(bridge exitation voltage)/kPa(physical
> property, e.g. pressure)
>=20
> Regards
> St=E5le Freyer
>=20
My bad, the excitation voltage is only irrelevent if you are trying to
balance the bridge.

Regards

Mike




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