Four-port microstrip transmission line network crosstalk measuring apparatus

A technology of microstrip transmission line and measurement device, which is applied in the directions of line transmission monitoring/testing, transmission monitoring, transmission system, etc., can solve problems such as repeatability errors, and achieve the effect of reducing repeatability errors and simplifying the measurement process.

Active Publication Date: 2009-02-18
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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Problems solved by technology

The disadvantage of this method is that the repeated connection and disconnection of the cable will introduce repeatability erro

Method used

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  • Four-port microstrip transmission line network crosstalk measuring apparatus
  • Four-port microstrip transmission line network crosstalk measuring apparatus
  • Four-port microstrip transmission line network crosstalk measuring apparatus

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Embodiment Construction

[0024] see figure 1 and figure 2 , a four-port microstrip transmission line network crosstalk measurement device of the present invention, comprising:

[0025] A vector network analyzer 1, the vector network analyzer 1 includes a data terminal 11 and two signal terminals 12, each of the two signal terminals 12 is connected to a coaxial cable 52, 53; the vector network analyzer 1 is in the range of 20GHz Two-way test, the measurement range of coaxial standard 3 is also 20GHz;

[0026] A plurality of coaxial standards 3, the plurality of coaxial standards 3 cooperate with the signal terminal 12 of the vector network analyzer 1, and are used for plugging and measuring the circuit 2 to be tested; the plurality of coaxial standards 3 are respectively a straight-through standard, two One matching standard, two open-circuit standards, two short-circuit standards, they are combined into five combinations of straight-through, match-match, open-open, short-short, and short-open in th...

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Abstract

The invention relates to a four-port apparatus for measuring microstrip transmission line network crosstalk, which is characterized in that including a vector network analyzer, which includes a data terminal and two signal terminals, wherein the two signal terminals are connected to a coaxial cable separately; a plurality of coaxial standards, which cooperate with the signal terminals of the vector network analyzer for splicing and measuring circuit; a digital signal processor, which is connected to the data terminal of the vector network analyzer through a data line, and receives the measured data of the vector network analyzer to calculate.

Description

technical field [0001] The invention belongs to the field of microwave circuit measurement, and more specifically relates to a four-port microstrip transmission line network crosstalk measurement device, which can measure all scattering parameters of high-frequency microstrip circuits, especially parameters representing crosstalk and coupling. Background technique [0002] The design of integrated circuits is developing towards high frequency, small size, and multiple components, which leads to more and more crosstalk between components and transmission lines inside the circuit, which seriously restricts the development of integrated circuits. Correspondingly, how to measure and characterize it is also a practical task faced by circuit design and application. [0003] The error measurement models of vector network analyzers commonly used at present, such as the eight-term model and the twelve-term model, do not have an error term that characterizes crosstalk. The actual circ...

Claims

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Application Information

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IPC IPC(8): H04B3/46H04B17/00H04B3/487
Inventor 张昀哈森其其格李亮祝宁华
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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