Wideband vector network analyzer
A vector network analysis and network analysis technology, applied in the field of broadband vector network analyzers, can solve the problems of increasing the design difficulty of directional couplers, the difficulty of expanding the working frequency band, the influence of transmission paths, etc., to achieve compact structure, reduce design difficulty, and solve design problems The effect of size constraints
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[0022] combine figure 1 , a broadband vector network analyzer, including a network analysis module, a 6GHz-20GHz front-end module and a 6GHz front-end module, the network analysis module includes an excitation signal source sub-module, a fixed local oscillator module, a local oscillator signal source sub-module and an intermediate frequency processing sub-module , the 6-20G front-end module is connected to the 6G front-end module, and shares the test port of the 6-20G front-end module, that is, the first test port and the second test port. The two front-end modules are respectively connected to the network analysis module to realize interaction with each sub-module of the network analysis module.
[0023] The above-mentioned excitation signal source sub-module is mainly responsible for generating 5KHz-6GHz low-frequency and radio-frequency excitation signals, and providing tuning voltage for the 6-20G front-end module VCO; the local oscillator signal source sub-module is mainl...
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