Imd 5-26, Imd operations, measurement – Anritsu ME7840A User Manual
Page 87
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5-9
IMD
This test measures inter-modulation distortion.
Procedure
Prepare the ME7840A as shown in Chapter 3.
Enter the appropriate test values in the displayed
User Input screen. The input fields are described
below:
n
Measurement Type: Already set to “IM” for IMD
– input disabled.
n
Main Tone (MHz): CW Frequency setting for
source 1.
n
Offset (kHz): Offset frequency for Source 2
(Source 2 will be set to Main Tone + Offset).
n
Input Power (dBm): Input RF power to AUT.
n
IMD Order:NEED
n
Test Set Setting: Byte value for setting test set
attenuation and source switch:
IMD
OPERATIONS, MEASUREMENT
5-26
ME 7840A OMM
Internal Source
Value
External Source
Value
0 dB
8
0 dB
0
10 dB
9
10 dB
1
20 dB
10
20 dB
2
30 dB
11
30 dB
3
40 dB
12
40 dB
4
50 dB
13
50 dB
5
60 dB
14
60 dB
6
70 dB
15
70 dB
7
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