Overview; Overview Of Time Domain Measurement; Comparison To Time Domain Reflectometry (Tdr) Measurement - Agilent Technologies ENA Series User Manual

Rf network analyzers

Hide thumbs Also See for ENA Series:

Table of Contents

Analysis in Time Domain (Option 010)

Overview

The E5070B/E5071B Option 010 provides the time domain function, which is used to

mathematically transform waveforms in the frequency domain that can be measured with a

general network analyzer to waveforms in the time domain.

Figure 9-1 shows waveforms in the frequency domain and in the time domain when using

the same cable. The waveform in the frequency domain shows ripples due to mismatches,

but it is difficult to estimate their locations. On the other hand, from the waveform in the

time domain, you can determine the locations and magnitudes of mismatches.

Example of measurement in time domain and in frequency domain

The time domain function of the E5070B/E5071B is similar to the time domain

reflectometry (TDR) measurement in that it displays the response in the time domain.

In the TDR measurement, a pulse or step signal is inputted to the DUT and the change of

the reflected wave over time is measured.

On the other hand, the time domain function of the E5070B/E5071B changes the frequency

of the input signal to the DUT, performs measurement in the frequency domain, and

transforms the result to the response in the time domain using the inverse Fourier

E5070b E5071b