Some URLs of interest to EENG 4302 and ENGR 5302 students:


---Primer on magnetoresistive sensors

http://www.semiconductors.philips.com/acrobat_download/various/SC17_GENERAL_MAG_2-1.pdf

(see p. 10 for schematic of temperature-compensated amplifier)


---Overview of LVDTs

http://www.msiusa.com/schaevitz/lvdt.asp



---Schaevitz E-series LVDTs

http://www.msiusa.com/schaevitz/pdf/lvdt/E-Series.pdf



---Motomco 919E grain-moisture tester (an instrument that measures grain moisture content by dielectric constant):

http://www.feedandgrain.com/searchscript/prodsearch.asp?id=202&atPage=2&type=2&action=prodDetail&scan=FGX00337



---Analog Devices' micromachined accelerometers

http://www.analog.com/en/subCat/0,2879,764%255F800%255F0%255F%255F0%255F,00.html


---ADXL103 overview

http://www.analog.com/en/prod/0%2C2877%2CADXL103%2C00.html


---ADXL103 / 203 data sheets

http://www.analog.com/UploadedFiles/Data_Sheets/279349530ADXL103_203_0.pdf

(see p. 8 for description of measurement techniques using a differential capacitor and phase-sensitive demodulation).


---Micromachined single- and dual-axis accelerometers

http://www.analog.com/library/analogDialogue/archives/30-4/acccel.html


---Allegro Semiconductor application note on Hall-effect sensors

http://www.allegromicro.com/techpub2/an/an27702.pdf


---MCT9001 optocoupler data sheet (used in the isolation amplifier)

http://www.fairchildsemi.com/ds/MC/MCT9001.pdf