8 Technical indicators and testing methods
8.5 Performance characteristics test
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8.5.4 Recommended instrument for performance characteristics test
Table 8.5 Recommended instrument for performance characteristics test
No.
Instrument
Main technical indicators
Recommended
model
1
Composite
Signal
Generator
Frequency range:250kHz to 20GHz
Power output:-100dBm to +15dBm
Frequency Accuracy:±0.02%
Power levels can be calibrated and stored
With internal and external AM mode
E8257D or 1464
2
Audio analyzer
With SINAD test function
Measurement bandwidth: 10Hz to 1.5MHz
Test items: frequency, AC voltage
U8903A/U8903B
3
Signal/spectrum
analyzer
Frequency range:250kHz to 13.2GHz
Display average noise level: -150dBm/Hz
FSW26/4051
4
Power meter
Power range:: -70dBm ~ +20dBm
Calibration source magnitude: 0dBm
2436
or E4419
5
Amplitude probe
Frequency range: 10MHz ~ 18GHz
Power range: -60dBm ~ +20dBm
71710
or 9304A
6
Power splitter
Frequency range:DC~26.5GHz
Insertion loss:6dB
Equivalent output VSWR:<1.22:1
11667B
7
RF directional coupler
Frequency range: 300kHz to 4GHz
Directionality: 35dB
VSWR:<1.45
70607
8
Directional coupler
Frequency range: 2GHz ~ 20GHz
Directionality: 13dB
VSWR: <1.45
70604
9
Low-pass filter
Cutoff frequency:1.6GHz
Insertion loss:<0.9dB
Out-of-band rejection:>65dB
Homemade
10
Low-pass filter
Cutoff frequency:4GHz
Insertion loss:<1dB
Out-of-band rejection:>65dB
Homemade
11
Load
Impedance:50Ω
SMA-50JR
12
Adapter
N type (m) to 3.5(f)
Homemade