The Tektronix 80E04 is a dual-channel Time Domain Reflectometry (TDR) sampling module. This sampling module provides an acquisition rise time of 17.5 ps or less, with a typical 20 GHz equivalent bandwidth
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Each channel of the Tektronix 80E04 is capable of generating a fast step for use in TDR mode and the acquisition portion of the sampling module monitors the incident step and any reflected energy. The reflected rise time of the TDR step is 35 ps or less and the polarity of each channel's step can be selected independently. This allows for differential or common-mode testing of two coupled lines, in addition to the independent testing of isolated lines.
The Tektronix 80E04 characterizes crosstalk by using the TDR step to drive one line while monitoring a second line with the other channel.
The "filter" function on the CSA8000/TDS8000 can be used with TDR or crosstalk measurements to characterize expected system performance with slower edge rates.
20 GHz Bandwidth
35 ps TDR Reflected Rise Time
True Differential TDR