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P
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5 Ca
libr
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Proced
ure
SMA (m)-to-
SMA (f) 20 dB
attenuator
Huber+Suhner
6620_SMA-50-1/199N
—
Frequency range: DC to 18 GHz
Attenuation: 20 dB (nominal)
Power rating: 2 W average
Impedance: 50
Ω
VSWR:
DC to 4 GHz
.......................
≤
1.15 : 1
4 GHz to 8 GHz
..................
≤
1.20 : 1
8 GHz to 12. GHz
...............
≤
1.25 : 1
12.4 GHz to 18 GHz
...........
≤
1.35 : 1
Power splitter
(two-resistor type)
Aeroflex/Weinschel 1593
—
Frequency range: DC to 18 GHz
Amplitude tracking: <0.25 dB
Phase tracking: <4°
Insertion loss:
≤
8.5 dB (6 dB, nominal)
Power rating: 1 W
Impedance: 50
Ω
VSWR:
DC to 18 GHz
.....................
≤
1.25 : 1
Equivalent output VSWR:
DC to 18 GHz
.....................
≤
1.25 : 1
Connectors: 3.5 mm (f)
Anti-distortion test
fixture
NI 166375A-01
Verifying third-order intermodulation
distortion,
Verifying second harmonic intercept,
Verifying gain compression
Refer to
Appendix A: Anti-Distortion Test Fixture
for
specifications.
Note:
The anti-distortion test fixture requires an external
+12 VDC supply and USB interface. Contact NI for
programming details.
Table 1.
Recommended Equipment for PXIe-5665 Calibration (Continued)
Equipment
Recommended Models
Where Used
Minimum Requirements