520 Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Functional Tests
Frequency Response (Flatness)
Frequency Response (Flatness)
Test Limits
The frequency response test measures the signal analyzer’s amplitude error as
a function of the tuned frequency. Measurements are made ranging from
50 MHz to the maximum frequency range of your analyzer. The signal source
amplitude is measured with a power meter to eliminate error due to source
flatness. The measured value is normalized to 50 MHz.
Frequency Range Limit Relative to 50 MHz
20 Hz to 3.6 GHz ±1.5 dB
> 3.6 GHz to 8.4 GHz ±2.5 dB
> 8.4 GHz to 13.6 GHz ±3.0 dB
> 13.6 GHz to 26.5 GHz ±3.5 dB
Item
Critical Specifications
(for this test)
Recommended
Keysight Model
Adapter
Type N (m) to 3.5 mm (m)
Frequency: 10 MHz to 18 GHz
VSWR: < 1.1:1
1250-1743
Adapter,
3.5 mm (f) to 3.5 mm (f)
Frequency: 10 MHz to 26.5 GHz
VSWR: < 1.1:1
83059B
Cable, 3.5 mm, 1 meter
(Opt 508, 513, 526)
Frequency: 10 MHz to 26.5 GHz
VSWR: < 1.4:1
11500E
Cables, BNC
120 cm
Frequency: 10 MHz 10503A
Power Meter Compatible with power sensor E4418B
Power Sensor
(Opt 508, 513, 526)
Frequency Range: 50 MHz to 26.5 GHz 8485A
Power Splitter
(Opt 508, 513, 526)
Frequency Range: 50 MHz to 26.5 GHz
Tracking between ports: < 0.25 dB
11667B
Synthesized Sweeper
Frequency Range: 50 MHz to 50 GHz
a
PSG
a. Maximum frequency of the sweeper must be greater than or equal to maximum specified fre-
quency of the UXA.
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