The R&S®RTP and R&S®RTO oscilloscopes analyze digital high speed signals for signal integrity. The oscilloscopes measure precisely well-known jitter components such as TJ, RJ, PJ and DDJ. The oscilloscopes also analyze inherently the transfer function, which causes the DDJ. A separate characterization of individual components of the transmission path is challenging due to accessibility, and the output impedance of the signal driver over frequency is typically unknown. Therefore, the inherent measurement of the transfer function is a key element to understand the sources of the DDJ.
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