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PXIe-5665 Calibration Procedure
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© National Instruments
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83
Reverification
Repeat the
section to determine the as-left status of the device.
Appendix A: Anti-Distortion Test Fixture
Note
The anti-distortion test fixture specifications are for the entire fixture and
include the performance of all components internal to the fixture.
Table 54.
Lowpass Filter Passband Paths
Filter Path (MHz)
Start (MHz)
Stop (MHz)
Insertion Loss
(dB, max.)
VSWR
*
(max.)
470
10
≤
470
2.5
1.75
735
>470
≤
735
2.5
1.75
1,150
>735
≤
1,150
2.5
1.75
1,800
>1,150
≤
1,800
2.5
1.75
2,530
>1,800
≤
2,530
2.5
1.75
3,550
>2,530
≤
3,550
2.5
1.75
4,985
>3,550
≤
4,985
2.5
1.75
7,000
>4,985
≤
7,000
2.5
1.75
*
Input or output ports.
Table 55.
Lowpass Filter Stopband Paths
Filter Path (MHz)
Start (MHz)
Stop (MHz)
Rejection
*
470
600
≤
940
50
735
>940
≤
1,470
50
1,150
>1,470
≤
2,300
50
1,800
>2,300
≤
3,600
50
2,530
>3,600
≤
5,060
70
3,550
>5,060
≤
7,100
70
4,985
>7,100
≤
9,970
70
7,000
>9,970
≤
14,000
70
*
Rejection equals
Fundamental Power
-
Second Harmonic Power