Julian Phillips
NEW ZEALAND • + Follow
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Description
Strain gauge / Load cell amplifier
2 channel analogue in / analog out bridge amplifier based on an INA2128 instrumentation amplifier. Locations available for up to three precision bridge completion resistors and balance adjustment.
Knowledge of strain gauge bridges is necessary for correct use of this board, and study of the INA2128 data sheet is recommended.
Output pads allow for sensing of bridge excitation voltage (nominal 2.5V) and amplifier ground reference.
A precision reference supplies the 2.5V excitation.
A small and lightweight board that allows for bridge completion and amplification at source.
Dimensions are 36x36mm
Schematic and Layout
Jul 12,2022
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Strain gauge / Load cell amplifier
2 Layers PCB 36 x 36 mm FR-4, 0.8 mm, 1, HASL with lead, Red Solder Mask, White silkscreen
Analogue in / analog out bridge amplifier based on INA2128. Locations available for up to three precision bridge completion resistors.
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Published: Jul 12,2022
Download Gerber file 4
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File Last Updated: 2023/02/07 (GMT+8)
File update record
2023-02-0712:07:37
Parts List (BOM) is updated.
2023-02-0712:07:37
Gerber file is updated.
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