Agilent Technologies ENA Series User Manual page 419

Rf network analyzers

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The fast mode is a sweep mode in which the sweep time is shortened by decreasing the

waiting time before sampling (stepped mode) or speeding up the sweep (swept mode) to

the limit of the analog performance.

You can always shorten the sweep time by using the fast stepped mode rather than the

stepped mode. On the other hand, although there is some difference depending on the IF

bandwidth setting, when the measurement point interval is approximately 2 MHz or higher,

you can shorten the sweep time by using the fast swept mode rather than the swept mode.

Note that, because the instrument is adjusted to the limit of the analog performance when

using the fast mode, a correct measurement may not be obtained due to factors such as

increased trace noise, depending on the DUT and measurement conditions. In addition, for

the fast mode, the instrument specifications are not guaranteed.

When you use the fast mode, you should confirm that there is no measurement-related

problem before performing the actual measurement.

Procedure to select the sweep mode

Step 1. Press

Step 2. Press

Step 3. Press the softkey corresponding to the appropriate sweep mode.

Fast Stepped

Selects the stepped mode

Selects the swept mode

Selects the fast stepped mode

Selects the fast swept mode

Optimizing Measurements

Improving Measurement Throughput

Troubleshooting

E5070b E5071b