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Optimize differential measurements on high-speed interfaces

Feb. 28, 2020
High-speed serial interfaces often transmit data with differential signaling. For probing on the signal, trace differential probes are used. Besides the differential inputs, these probes often provide an additional connection for ground.

The R&S®RT-ZM modular probe offers special functions to perform DM, CM and single-ended measurements. Using a ground connection is essential for DM measurements because it prevents the circuit from floating and ensures stable and reproducible signals in the measurement range of the differential probe – especially for high frequencies.

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