HP 8753E manual Ii ,.,,,, ....i,..... ...c .i i

The power settings for all segments are restricted to a single power range. This prevents the attenuator from switching to different settings mid-sweep. Select the power range and then edit the list table to specify the segment powers. If the power range is selected after the list has been defined, the list settings may be affected.

When analyzer port power is uncoupled, the segment power level can be set independently for each port. ‘Ib do this, you must first select a measurement parameter to activate the port whose power you want to set. For example, select Sll to set port 1 power, or S22 to set port 2 power. (Notice that the list mode table will only display the currently selected port in the table.

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When analyzer port power is uncoupled, the &@Y ~~~~...~~~~~~~~~~ softkey can also be set

independently for eachp&-. Fore~ple,you may choose to set~~~~~~~~~:~~~~;~~~r for

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forward measurements and ~~~~~,~~~~~~~~~~~~~ for reverw measurements. In tJ& cm, the

power would be set according to values in the list when measuring the forward parameters. When measuring the reverse parameters, the power would be set according to the normal analyzer power controls

Setting Segment IF Bandwidth

To enable the ~~~~~~~~~ fMction, you must first select ~~~~~:.~~~~~~~~~~, h *e

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edit subsweep menu. List IF bandwidth is off by default and the asterisks that appear in the “IFBW” cohunn of the list table indicate that the IF bandwidth for the sweep is being set by the normal analyzer controls.

Narrow IF bandwidths require more data samples per point and thus slow down the measurement time. Selectable IF bandwidths can increase the throughput of the measurement by allowing the user to specify narrow bandwidths only where needed.

6.26Application and Operation Concepts