AG920-07 NVE, AG920-07 Datasheet - Page 91
AG920-07
Manufacturer Part Number
AG920-07
Description
KIT EVALUATION GT SENSOR
Manufacturer
NVE
Specifications of AG920-07
Sensor Type
Magnetic. GMR (Giant Magnetoresistive)
Interface
Analog
Embedded
No
Utilized Ic / Part
ABL & AKL Series GT Sensors
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Voltage - Supply
-
Sensitivity
-
Sensing Range
-
Other names
391-1022
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Application Notes
After-saturation effects are important in understanding how the sensor behaves. It is important to note
that after the sensor is saturated by a magnetic field, either in the positive or negative direction, it
returns to zero field along the inside curve of the major loop characteristic. As shown in the diagram
below, a negative saturating field applied to the sensor, followed by a small positive field, will result in
a negative voltage output:
Voltage
Output
After Negative
Saturation
Field, Sensor Returns
to Zero Along This Line
After returning to zero,
a small positive field will
cause the output voltage
to go negative
- Applied Field
+ Applied Field
The same small positive field, applied after a positive saturating field, will result in a positive voltage
output:
Voltage
After Positive
Output
Saturation
Field, Sensor Returns
to Zero Along This Line
After returning to zero,
a small positive field will
cause the output voltage
to go positive
- Applied Field
+ Applied Field
- 91 -
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