8 Frequency Scan Measurement
Meas Setup
sweep point. The Step Size is calculated by this formula: Step Size = (Stop Frequency—Start Frequency)/
(Sweep Point-–1).
Selecting a MIL Preset will set the start/ stop frequencies, step size (in according to sweep point), and
RBW of the selected range according to the table values shown below. Point/RBW will be set to 2 for
Discrete and Smooth scan type.
MIL Band
30 Hz – 1
kHz
1 kHz – 10
kHz
10 kHz –
150 kHz
150 kHz –
30 MHz
30 MHz – 1
GHz Above 1 GHz
Start
Frequency
30 Hz 1 kHz 10 kHz 150 kHz 30 MHz 1GHz
Stop
Frequency
1 kHz 10 kHz 150 kHz 30 MHz 1 GHz Max freq of analyzer or 18
GHz, whichever is lower
RBW
10 Hz 100 Hz 1 kHz 10 kHz 100 kHz 1 MHz
Sweep Point
195 181 281 5971 19401 Refer below.
Dwell Time 150 ms 15 ms 15 ms 15 ms 15 ms 15 ms
Step Size
5 Hz 50 Hz 500 Hz 5 kHz 50 kHz 500 kHz
The stop frequency of Band Edepends on the maximum frequency, with a maximum of 18 GHz. The
number of points in Band E is as below:
Option Max Freq Sweep Points
503 (3.0 GHz Models) 3.0 GHz 4001
503 (3.6 GHz Models) 3.6 GHz 5201
507 (7 GHz Models) 7.0 GHz 12001
507 (7.5 GHz Models) 7.5 GHz 13001
508 8.4 GHz 14801
513 13.2 GHz 24401
526 18 GHz 34001
Scan Sequence
Displays the menu keys that enable you to control the measurement sequence. You need to select the
Start key to start the selected measurement sequence. When Frequency Scan runs, some or all of the
following steps are included:
Scan:
If Scan is part of the current Scan Sequence, any hold or average trace will be reset. The Scan goes
through all of the range tables that are currently on, and scans the specified range using the range table
parameters. The detector(s) used for the scan are those specified in the Detectors menu under Trace/Det.
Each trace whose display and update state are not Off is displayed as it is being built. A maximum of 3
traces can be running simultaneously. All setting changes are locked during the scan, but you are still able
EMI Receiver Mode Reference 471
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