524 Keysight Technologies N9040B UXA Signal Analyzer Service Guide
Functional Tests
Frequency Response (Flatness), Preamp On
Frequency Response (Flatness), Preamp On
Test Limits
The frequency response test, with preamplifier on, 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 the
preamp. 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
100 kHz to 3.6 GHz ±2.0 dB
> 3.6 GHz to 8.4 GHz ±3.0 dB
> 8.4 GHz to 13.6 GHz ±3.5 dB
> 13.6 GHz to 26.5 GHz ±4.0 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 P08, P13, P26)
Frequency: 10 MHz to 26.5 GHz
VSWR: < 1.4:1
11500E
Cable, 2.4 mm, 1 meter
(Opt P43, P44, P50)
Frequency: 10 MHz to 50 GHz
VSWR: < 1.55:1
8120-6164
Cables, BNC
120 cm
Frequency: 10 MHz 10503A
Power Meter Compatible with power sensor E4418B
Attenuator, 30 dB Fixed Frequency: 50 MHz
Accuracy: ±0.05 dB
11708A
Power Sensor
(Opt P08, P13, P13)
Frequency Range: 50 MHz to 26.5 GHz
Amplitude Range: –65 dBm to –55 dBm
8485D
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