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A new approach to testing embedded-LO converters - Story
August 12, 2009
Though they offer significant advantages compared to spectrum-analyzer-based methods, traditionally, vector network analyzers have not been used to characterize the group delay of analog satellite transponders, due to the lack of access to the RF signals or the time bases of the internal Local Oscillators (LOs) within the transponder. A new way to make group delay measurements of embedded-LO converters with modern VNAs will yield increased measurement speeds and significant accuracy improvements.
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