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A high-speed optical receiver test evaluation board structure and its test system

An optical receiver and board structure technology, applied in the field of optical communication, to achieve the effect of improving impedance matching characteristics, reducing device testing time, and improving accuracy

Active Publication Date: 2020-06-30
WUHAN TELECOMM DEVICES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The soft belt is generally divided into upper and lower layers (DC / RF)

Method used

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  • A high-speed optical receiver test evaluation board structure and its test system
  • A high-speed optical receiver test evaluation board structure and its test system
  • A high-speed optical receiver test evaluation board structure and its test system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Embodiment 1 of the present invention provides an evaluation board structure for high-speed optical receiver testing, such as figure 1 As shown, including the impedance transition board and the main evaluation board, the signal line width of the soft band of the optical receiver connected to the impedance transition board is W1, and the line width in the main evaluation board is W2, as shown in figure 2 As shown, specifically:

[0048] The impedance transition board is arranged on the main evaluation board, one side is coupled with the main evaluation board; the other side is used for coupling with the soft band of the optical receiver;

[0049] The parameter value of the line width W3 of the impedance transition board is set between the signal line width W1 of the soft band and the line width W2 of the main evaluation board.

[0050] The embodiment of the present invention proposes an evaluation board structure with higher impedance matching efficiency, wherein an im...

Embodiment 2

[0063] The embodiment of the present invention also provides a sensitivity and overload test system of a multi-channel high-speed optical receiver, the test system uses the evaluation board structure as described in Embodiment 1, specifically, as Figure 6 and Figure 7 As shown, the test system includes a multi-wavelength optical signal transmitting unit 110, a parallel optical power control unit 120 and a parallel high-frequency signal receiving and processing unit 130, specifically:

[0064] The multi-wavelength optical signal transmitting unit 110 is used to generate an optical signal for testing sensitivity or to generate an optical signal for testing overload, and send it to the parallel optical power control unit 120;

[0065] The parallel high-frequency signal receiving and processing unit 130 includes a multi-channel optical receiver 131, a multi-channel high-speed evaluation board 132 and a multi-channel high-speed bit error detector 133, wherein the multi-channel op...

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Abstract

The invention relates to the technical field of optical communication, and provides an evaluation board structure for testing a high-speed optical receiver, and a test system thereof. The evaluation board structure comprises an impedance transition board and a main evaluation board, the signal width of a soft band of the optical receiver connected to the impedance transition board is W1, the linewidth of the main evaluation board is W2, specifically, the impedance transition board is arranged on the main evaluation board, and one side of the impedance transition board is coupled to the main evaluation board; the other side of the impedance transition board is coupled with the soft band of the optical receiver; and a parameter value of the line width W3 of the impedance transition board isset between two parameter values of the signal line width W1 of the soft band and the line width W2 of the main evaluation board. The invention provides the evaluation board structure with higher impedance matching efficiency, wherein the impedance transition board is introduced on the main evaluation board, the signal line width of the soft band of the optical receiver and the line width of themain evaluation board are considered, and the line width of the impedance transition plate is set as an intermediate value of the soft band the main evaluation board, therefore the impedance matchingcharacteristics and the accuracy of the detection of the evaluation board for testing the high-speed optical receiver are improved.

Description

【Technical field】 [0001] The invention relates to the technical field of optical communication, in particular to an evaluation board structure for testing a high-speed optical receiver and a testing system thereof. 【Background technique】 [0002] The rapid application of the Internet and smart terminals has led to explosive growth in the amount of global data, which requires higher and higher Internet bandwidth. The optical transmitter and receiver, the core components used in optical network transmission, are also developing towards higher speed and multi-wavelength integration. [0003] Different from conventional coaxial packaged single-channel 2.5G / 10G optical devices, the solution used by commonly used 100G transceivers and optical devices is parallel 4-channel 25G. And the later 200G / 400G solution is a parallel 8-channel 25G / 50G that doubles the number of channels. As the number of channels increases, a parallel multi-channel test solution is required to improve prod...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/073H04B10/079
CPCH04B10/073H04B10/0795
Inventor 陈土泉张超宋旭宇万琦
Owner WUHAN TELECOMM DEVICES
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