参数资料
型号: AG920-07
厂商: NVE Corp/Sensor Products
文件页数: 59/145页
文件大小: 0K
描述: KIT EVALUATION GT SENSOR
标准包装: 1
传感器类型: 磁性 GMR(大型磁阻传感)
接口: 模拟
嵌入式:
已供物品: 9 个板,CD,磁体,样品,焊膏
已用 IC / 零件: ABL 和 AKL 系列 GT 传感器
相关产品: 391-1058-5-ND - SENSOR GEAR TOOTH DUAL 8MSOP
391-1057-5-ND - SENSOR GEAR TOOTH DUAL 8MSOP
391-1056-5-ND - SENSOR GEAR TOOTH SINGLE 8MSOP
391-1055-5-ND - SENSOR GEAR TOOTH SINGLE 8MSOP
391-1036-5-ND - SENSOR GEAR TOOTH DUAL 8MSOP
391-1035-5-ND - SENSOR GEAR TOOTH DUAL 8MSOP
391-1034-5-ND - SENSOR GEAR TOOTH SINGLE 8MSOP
391-1033-5-ND - SENSOR GEAR TOOTH SINGLE 8MSOP
其它名称: 391-1022
Circuit Board Sensor Products
AG-Series Currency Detection Sensors
Sensor Arrays for Currency / Magnetic Media Detection
Features:
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?
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Arrays of Sensor Elements for Broad Area Coverage
No Contact with Media Required
Capable of Detecting Very Low Magnetic Fields
Applications:
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Currency Detection and Validation
Other Magnetic Media Applications (Checks, Credit Cards, etc.)
General Area Sensing for Low Magnetic Fields
Description:
These products are custom-built PCB assemblies for customer specific applications. They typically
contain 20 to 60 analog GMR sensor elements, most often the AA002, AAH002, or AAL002 sensors.
These sensors are mounted on a PCB, most often using Chip-On-Board (COB) assembly techniques,
so that the sensor elements can be placed very close together. In addition, a coil on the PCB is
provided on many of these designs, so that a current can be fed through the coil to provide a magnetic
bias field at the sensors.
In a typical currency detection application, this PCB assembly is positioned approximately 1 mm from
the currency path. The bank note is typically magnetized with a permanent magnet before it reaches
the sensor array. The residual magnetization in the magnetic ink or stripe of the currency is detected by
the sensor array. This information is then analyzed to determine if the currency is genuine. See the
figure below:
Bank Note
N
Sensor
Array
S
Feed Rollers
Magnet
- 59 -
www.nve.com phone: 952-829-9217 fax: 952-829-9189
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