How does the load cell amplifier circuit work in the Automatic LPG Booking System?

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#1 21672813 21 Nov 2014 00:43

mahendaran R mahendaran R

Anonymous

Post #1
21672813 21 Nov 2014 00:43

Can some one help me understand the load cell amplifier circuit used in the above link. This is one of the few circuits that I have seen that uses a single power supply and hence I want to make this, but I dont understand it.

http://www.ingenstech.com/projects/automatic-lpg-booking-system/
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#2 21672814 21 Nov 2014 19:36

Neil Mula Neil Mula

Anonymous

Post #2
21672814 21 Nov 2014 19:36

Hi Mahendaran,

The load cell in the schematic is assumed to be a module circuit which is connected to an instrumentation amplifier for more stable and excellent gain.

Take this as an example of load cell circuit.
link here -> http://www.cirrus.com/en/pubs/appNote/AN330REV2.pdf

Hope it helps.

Best,
Neil
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