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Sensor Application Notes
 
Package and Pad Layout Specifications (.pdf)
 
Current Measurement Using GMR Sensors (.pdf)
How to use AA or AAH-Series GMR sensors for non-contact current measurement.
 
2-Wire Sensor Interfaces (.pdf)
How to design two-wire proximity sensor interfaces, including two reference circuits and test data.
 
Current Field Calculator (.xls)
A spreadsheet for estimating the magnetic field generated by current flowing through a circuit-board trace.
 
Flux Density Calculator (.xls)
A spreadsheet for calculating the magnetic field intensity, in Oersteds, from a disk or bar magnet, at various distances.
 
More sensor application notes from the Sensor Catalog (.pdf)
- Competitive Technologies
- GMR Material Physics
- GMR Material Types Manufactured by NVE
- Temperature Characteristics of GMR Sensors
- Hysteresis in GMR Sensors
- GMR Magnetic Field Sensors (Magnetometers)
- GMR Magnetic Gradient Sensors (Gradiometers)
- Magnetic Reference Information
- Signal Conditioning Circuits
- Noise in NVE Giant Magnetoresistive Sensors
- Use of GMR Magnetic Field Sensors
- Application Notes for GT Sensors
- Measuring Displacement
- Current Measurement
- Magnetic Media Detection
- Currency Detection and Validation
 
 
Sensor Case Studies
 
A Wireless Intracranial Brain Deformation Sensing System for Blast-Induced Traumatic Brain Injury
  NVE AAH002-02E sensors were used to track the movement magnets to sense blast-induced traumatic brain injury.
   
360° Winkelmessung ist auch mit geringem Stromverbrauch möglich (“360° angle measurement is possible with low power consumption”; .pdf; German)
An NVE AAT-001 TMR angle sensor combined with an interface IC.
 
GT™ Sensors in High-Speed Cylinder Position Sensing
A design case study using an ABL014 sensor and MSP430 microcontroller.
 
This report describes a rotation detector using a pair of AA002 sensors and a TI microcontroller.
 
GMR Sensor Tackles High-Speed Motion (Industrial Embedded Systems)
A design case study using an NVE GT™ gear tooth sensor.
 
Controller for upper-limb neuroprosthesis (.pdf; ©Journal of Rehabilitation R&D)
A magnetic proximity sensor using three NVE AA-Series sensors.