A method for discriminating the mixture of bosa devices

A discrimination method and device technology, applied in the field of optical modules, can solve the problems of unfavorable integration into large-volume automated production lines, large volume, high price, etc., and achieve the effects of convenient selection, low cost, and reduced discrimination costs

Active Publication Date: 2022-01-28
成都蓉博通信技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But the disadvantage is that they all need to use instruments, which are large in size and expensive, and are not conducive to integration into large-scale automated production lines.

Method used

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  • A method for discriminating the mixture of bosa devices
  • A method for discriminating the mixture of bosa devices
  • A method for discriminating the mixture of bosa devices

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0027] This embodiment discloses a method for discriminating mixed materials of a BOSA device, comprising the following steps:

[0028] Step 1: First replace the variable resistor of the Huygens DC bridge with a fixed resistor, and then set up a microprocessor MCU with a differential signal digital-to-analog converter. The model of the microprocessor MCU can be C8051F320 with a built-in USB interface. , which includes two ADC sampling terminals, ADC+ and ADC-, and then connect the ADC sampling terminals of the differential signal digital-to-analog converter to the intersection points of the two arms of the Huygens DC bridge. After the connection, the microprocessor MCU can directly obtain the differential signal. The sampling value of the signal digital-to-analog converter;

[0029] Specifically, the resistance value of the replaced fixed resistor is the same as that of the two fixed resistors included in the Huygens DC bridge itself, and the resistance values ​​of the three f...

Embodiment 2

[0040] This embodiment discloses a method for discriminating mixed materials of a BOSA device, comprising the following steps:

[0041] Step 1: First replace the variable resistor of the Huygens DC bridge with a fixed resistor, and then set up a microprocessor MCU with a differential signal digital-to-analog converter. The model of the microprocessor MCU can be C8051F320 with a built-in USB interface. , which includes two ADC sampling terminals, ADC+ and ADC-, and then connect the ADC sampling terminals of the differential signal digital-to-analog converter to the intersection points of the two arms of the Huygens DC bridge. After the connection, the microprocessor MCU can directly obtain the differential signal. The sampling value of the signal digital-to-analog converter;

[0042] Specifically, the resistance value of the replaced fixed resistor is the same as that of the two fixed resistors included in the Huygens DC bridge itself, and the resistance values ​​of the three f...

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Abstract

The invention discloses a method for discriminating mixed materials of a BOSA device, which comprises: Step 1: first replace the variable resistor of the Huygens DC bridge with a fixed resistor, and then set a micro-processor containing a differential signal digital-to-analog converter MCU, and connect the ADC sampling end of the differential signal digital-to-analog converter to the intersection of the two arms of the Huygens DC bridge; Step 2: Insert the OUTP pin and GND pin of the BOSA device into the two ends of the measured resistance terminal, and sampled to obtain the sampled value; Step 3: The microprocessor MCU compares the sampled value with the preset threshold, and judges the type of BOSA device according to the comparison result. The invention can quickly distinguish the GPON OLT BOSA device and the EPON OLT BOSA device at low cost, and greatly reduces the risk caused by material mixing.

Description

technical field [0001] The present invention relates to the technical field of optical modules, in particular to a method for discriminating the mixture of BOSA devices, in particular to a method for discriminating the mixture of GPON OLT BOSA devices and EPON OLT BOSA devices. Background technique [0002] Since the core devices of GPON OLT BOSA devices and EPON OLT BOSA devices are both composed of 2.5G LD TOCAN+1.25G APD-TIA TOCAN, the accessories, dimensions, and colors can be exactly the same, and they cannot be distinguished from the naked eye only from the appearance. Once the two BOSA devices are mixed in the production line, it will have a huge impact on the performance of the finished optical module. This is because the 1.25G TIA chips built in TOCAN, the models used by GPON OLT and EPON OLT are completely different. Although it is known that making GPON OLT BOSA into ERON OLT optical module can basically meet the index requirements of ERON OLT optical module speci...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/00G01R1/30
CPCG01R31/00G01R1/30
Inventor 周健
Owner 成都蓉博通信技术有限公司
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