TEST AND MEASUREMENT INSTRUMENT AND METHOD OF DETERMINING S-PARAMETER

摘要

PROBLEM TO BE SOLVED: To improve the measurement of a time domain by a sampling module.SOLUTION: A test and measurement instrument includes: an input unit configured to receive a reflected and/or transmitted pulse signal from a DUT 114; a reference clock input unit configured to receive a reference clock 124, the reference clock being asynchronous from the reflected pulse signal; a phase reference module 122 configured to acquire samples of the reference clock; a sampling module 110 configured to acquire samples of the reflected pulse signal; and a controller 118 configured to determine a S-parameter of the DUT 114 based on the acquired samples of the reference clock 124 and the acquired samples of the reflected pulse signal.SELECTED DRAWING: Figure 1