User's Manual

2) Gain flatness
Test flow chart:
Purpose:
Check the gain at different frequency point.
Test setup list
Signal generator: IFR3413 or the same level instrumentation.
Power meter: Agilent E4418B or the same level instrumentation.
Spectrum analyzer: R&S FSEA or the same level instrumentation.
Power supply: 30V/50A
Attenuator: 30dB 500W 1PCS, 20dB 5W 2PCS,
Coupler: 60dB frequency range: 1930MHz~1990MHz
RF cable
Signal
Generator
LPA19100-16
0-SC01
10dB coupler
30dB
A
ttenuator
20dB
A
ttenuator
20dB
Attenuator
Power
Su
pp
l
y
Spectrum
Analyzer
Power
Meter
Figure 4
Cable1 Cable2
Cable3