Introduction
NVE GMR Sensor Applications
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Position of Pneumatic Cylinders
Position in Robotics Applications
Speed and Position of Bearings
Speed and Position of Electric Motor Shafts
General Field Detection in Implantable Medical Devices
Wheel Speed Sensing for ABS Brake Applications
Transmission Gear Speed Sensing for Shift Control
Low Field Detection in Currency Applications
Current Sensing in PCB Traces and Wires
Overcurrent and Short Circuit Detection
Vehicle Detection for Traffic Counting Applications
Table of Contents
Introduction to NVE GMR Sensors .................................................................................................. 4
GMR Materials Overview............................................................................................................. 5
Basic Sensor Design ..................................................................................................................... 7
Signal Processing........................................................................................................................ 11
AA and AB-Series Analog Sensors ................................................................................................ 12
AA Sensors ................................................................................................................................. 14
AAH Sensors .............................................................................................................................. 16
AAL Sensors............................................................................................................................... 18
AAV Sensors .............................................................................................................................. 20
AB Sensors ................................................................................................................................. 24
ABH Sensors............................................................................................................................... 26
GMR Switch Precision Digital Sensors .......................................................................................... 28
GMR Switch Product Selection Guide ....................................................................................... 30
AD0xx-xx to AD7xx-xx ............................................................................................................. 36
AD8xx-xx to AD9xx-xx ............................................................................................................. 40
ADH0xx-xx ................................................................................................................................ 44
GT Sensors ? .................................................................................................................................. 46
ABL Sensors ............................................................................................................................... 47
AKL Sensors............................................................................................................................... 52
Circuit Board Sensor Products........................................................................................................ 56
AG21x-07 Cylinder Position Sensors ......................................................................................... 56
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