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72 Chapter 3
Performance Tests
AVERAGE NOISE LEVEL TEST
Performance Tests
-104 dBm (for the 11970Q)
-104 dBm (for the 11970U)
-92 dBm (for the 11970V)
-85 dBm (for the 11970W)
18.Enter the following push button commands on the 8566A/B:
MARKER, OFF
REFERENCE LEVEL
, 0, dBm
19.Repeat steps 9 through 17 at the following center frequencies:
11970K: 22 and 26.5 GHz
11970A: 33 and 40 GHz
11970Q: 41 and 50 GHz
11970U: 50 and 60 GHz
11970V: 62 and 75 GHz
11970W: 92 and 110 GHz
20.Repeat steps 1 through 18 for a power level of 16.0 dBm at the 11970 Mixer LO
connector.
Table 3-8 Average Noise Test Record
AVERAGE NOISE LEVEL
Model Number______________ Date______________
Serial Number________________ Tested By______________
Center
Frequency
Power
Meter
Reading
Power
Meter
Correction
Factor
Directional
Coupler
Coupling
Factor
Corrected
Power
REading
Signal
Marker
Amplitude
Noise
Floor
Marker
Amplitude
Bandwidth
Correction
Factor
Average
Noise
Level
UnitsGHzdBmdBdBdBmdBmdBdBdBm
Step 10 12 13 13 13 14 15 16 16
LO
Power
= 14.5
LO
Power
= 16.0