VectorStar™ MS4640A Series Microwave Vector Network Analyzers : Sweep Menus : Segmented Frequency-Based Sweep Setup
 
Segmented Frequency-Based Sweep Setup
FREQ BASE SETUP Menu
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FREQUENCY-BASED SEGMENTED SWEEP SETUP Menu
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SWEEP SETUP Menu
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FREQ BASE SETUP (FREQUENCY-BASED SEGMENTED SWEEP SETUP) Menu
Segmented Frequency Table Display
When the FREQ BASE SETUP menu appears, the SSEGMENTED SWEEP DEFINITION TABLE display dialog appears at the bottom of the main display area. The table display, described below, allows the configuration of frequency segments for sweep management.
 
Graph Mode (Freq Base/Index Base)
The Graph Mode toggle button toggles the graph mode between Freq Base and Index Base. When Freq Base is selected, the display status bar shows Freq Base.
Display IFBW (Off/On)
Select toggles the IFBW column off and on. If on, the IFBW field is added to the Freq Def. for F1 & F2 table header in the SEGMENTED SWEEP DEFINITION table below.
Display Power (Off/On)
Select toggles the Power column display off and on. If on, the P1 Src. Pwr (Src. Atten - 0 dB) and P2 Src. Pwr (Src. Atten - 0 dB) columns are added to the Freq Def. for F1 & F2 table header in the SEGMENTED SWEEP DEFINITION table below.
Display Averaging (Off/On)
Select toggles the Averaging column display off and on. If on, the Averaging field is added to the Freq Def. for F1 & F2 table header in the SEGMENTED SWEEP DEFINITION table below.
 
 
Add (Freq-Based Segment)
The Add button adds a row for a new segment to the Freq Def. for F1 & F2 table information below the currently selected segment.
Delete (Freq-Based Segment)
The Delete button deletes the currently selected row/segment from the Freq Def. for F1 & F2 table information.
Clear All Segments (Freq-Based Segment)
The Clear All Segments clears all rows except for Row 1 from the Freq Def. for F1 & F2 table information.
Save Table to File (Freq-Based Segment)
The Save Table to File button saves the table data to a Segment Sweep .sgs file. Select displays the Save Segmented Sweep Table (SGS File) dialog box.
Recall Table from File (Freq-Based Segment)
The Recall Table from File button recalls table data from a Segment Sweep .sgs file. Select displays the Recall Segmented Sweep Table (Sweep SGS File) dialog box.
 
 
SEGMENTED SWEEP DEFINITION Table
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FREQ BASE SETUP Menu
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Overview
The Freq Def. for F1 and F2 (Segmented Sweep Definition) table information appears below the display area. The number of rows and columns displayed depend on the button settings in the Freq Base Setup menu. The default settings display the following column fields: IFBW, P1 source power, P2 source power, and Averaging.
Default Appearance
This is table display with all fields showing.
Freq Def. for F1 & F2 Column, Sweep Segment Options Pull-Down Menu
The Freq Def. for F1 & F2 pull-down menu allows each segments to be set as either a Stop & Start, Start & Step Size, or CW (F2 not used).
Display IFBW Column, Toggle Off/On
The Display IFBW button on the Freq Base Setup menu causes the IFBW column to disappear and appear.
Display Power Column, Toggle Off/On
The Display Power button on the Freq Base Setup menu causes the Power columns to disappear and appear.
Display Averaging, Toggle Off/On
The Display Averaging button on the Freq Base Setup menu causes the Averaging column to disappear and appear.
Adding Rows
Selecting the Add button on the Freq Base Setup menu adds a row to the tableau so that another frequency segment can be added.
To add additional rows, repeat selecting the Add button. Note that the currently selected and editable row is indicated by the left arrow, as shown in Row 3 below.
Deleting Rows
Select a row to delete it. A selected row is indicated by the right-facing arrow icon as shown for Row 2 below:
Click the Delete button on the Freq Base Setup menu to delete the row:
Click the Clear All Seg. button on the Freq Base Setup menu to clear all rows.
SAVE AS (SEGMENT SWEEP TABLE SGS FILE) Dialog Box
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MAIN | Sweep Setup | SWEEP SETUP | Freq-Based Seg Sweep Setup | FREQ BASE SETUP | Save Table to File | SAVE AS (SEGMENT SWEEP TABLE SGS FILE) Dialog Box
 
SAVE AS (SEGMENT SWEEP TABLE SGS FILE) Dialog Box
Instructions
Navigate to required location, enter unique file name, and click Save. Click Cancel to return to the Freq Base Setup menu.
RECALL SEGMENTED SWEEP TABLE SGS FILE Dialog Box
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FREQ BASE SETUP Menu
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MAIN | Sweep Setup | SWEEP SETUP | Freq-Based Seg Sweep Setup | FREQ BASE SETUP | Save Table to File | RECALL SEGMENTED SWEEP TABLE SGS FILE Dialog Box
 
RECALL (SEGMENTED SWEEP TABLE SGS FILE) Dialog Box
Instructions
Navigate to required location, select the required SGS file, and click Open. Click Cancel to return to the Freq Base Setup menu.