Advantest U3872 Cross Domain Analyzer, 9 kHz to 43 GHz

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The Advantest U3872 has been replaced by newer models

View the Vector Network Analyzers (VNA)

The Advantest U3872 Cross Domain Analyzer is the industry's first metrology tool to offer phase measurement of two high-frequency signals in a single instrument, allowing operators to determine the phase difference. This new functionality enables quick and accurate detection of reception problems caused by inter-circuit interference or radio wave reflection, making the U3872 ideal for applications ranging from electromagnetic interference (EMI) challenges, to broadcasting and communications.

The U3872 series utilizes a new "X math" (pronounced "cross math") function for comparative analysis of input from two channels. This function displays the waveforms of both signals on a single coordinate plain, enabling operators to see the phase difference between the signals at a glance. Furthermore the U3872 can be used as spectrum analyzer.