3) Gain Variation & Detect Accuracy & Current consumption
Test flow chart:
Purpose:
Check the variation of gain over voltage.
Measure the difference between forward power and detect power.
Measure the efficiency of PA.
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
Instruction
1. Set up the structure according to the figure 5.
Signal
Generator
LPA1900-160
-SC01
10dB coupler
30dB
Attenuator
20dB
Attenuator
20dB
Attenuator
Power
Supply
Spectrum
Analyzer
Power
Meter
Figure 5
Cable1
Cable2
Cable3
