Using vector network analyzer for aligning of time domain data

Details Using vector network analyzer for aligning of time domain data Using vector network analyzer for aligning of time domain data

2006-09-26

2006-09-26

Tsai, Carol S. W. (Department: 2857)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Signal frequency or phase correction

C324S076120, C324S076390, C702S076000, C702S122000, C455S115100

Reexamination Certificate

active

07113879

ABSTRACT:
A method of using a vector network analyzer (VNA) for coordinated Voltage Standing-Wave Ratio (VSWR) and Time Domain Reflectometry (TDR) measurement includes configuring the VNA for identifying discontinuities correlated to a VSWR lobe. In some embodiments, the method includes identifying a largest VSWR lobe in a frequency band of interest, using phase data associated with an S11scattering parameter to find the correct electrical delay required to align Low Pass Step Transform data, and configuring the Low Pass Step Transform span and center time to align coherent inductive and capacitive discontinuities relative to grid lines of a TDR display. In some embodiments, the method is automated.

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