On-chip test system and test method for millimeter wave frequency divider
A test system and test method technology, applied in the direction of radio frequency circuit test, electronic circuit test, etc., can solve the problem of low efficiency of rack test, and achieve the effect of improving test efficiency
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[0039] According to this test method, millimeter-wave frequency divider testing can be realized. Specifically, a two-way frequency divider circuit that can work at 75GHz is taken as an example:
[0040] 1. Connect the signal source to the spread spectrum module to establish the corresponding relationship between the output power of the signal source and the output power of the spread spectrum module;
[0041]
[0042] GHz signal, the spectrum analyzer has spectrum output at 20GHz, and the output frequency of the signal source is exactly the same as the display frequency of the spectrum analyzer. It is confirmed that the system is connected normally. At the same time, the processor uses the data transmission line to control the output power of the signal source and collects when the signal source outputs a certain power P1 The detected power value P2 establishes the corresponding relationship between the signal source of each frequency point and the display power of the spect...
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