Boonton PIM 31 User Manual - Manual (Page 87)

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• Connect the Coupler, Low PIM Load and Power Meter to the PIM 31 test
system (use torque wrench)
• Set the PIM 31 to Analyzer Mode
• Set frequencies of carrier signals 1 and 2 to the start and end frequency of
the provided frequency band.
• Set the power level of each signal to 40 dBm (20W) – with ALC: ON
• Switch RF Power ON
• With offset compensation of the coupler (30dB) the power meter should
read 43dBm +/- 1.0dB
If the reading deviates, switch RF power OFF, disconnect connections,
reconnect and repeat the test.
.
If the reading is off by more than 1 dBm, the deviation could be caused
by an malfunctioning attenuator or amplifier in the PIM 31 Test System.
In this case, contact your nearest Boonton Service Center
.
With the reading within limits, continue procedure:
• Increase Signal Levels by 1dB,
• Measure power
• Repeat until Signal Levels are both at 43dBm.
• With offset compensation of the coupler (30dB) the
power meter should
read now: 46dBm +/- 1.0dB
• Switch “RF Power OFF