PIM Site Analyzer
α
Manual
© Rosenberger 2017 -
www.rosenberger.com/pia
Page 26 of 54
6.3 Sweep
Measuring PIM with swept carrier frequencies. Allows detection of multiple PIM
sources in the signal path. An unsteady graph would indicate that more than
one PIM source is present because all reflected PIM waves would interfere posi-
tively and negatively over frequency.
Group
Parameter
Description
Upsweep
Frequency f
1
Frequency from-to setting of swept carrier 1
Frequency f
2
Frequency setting for fixed carrier 2
Step size
Frequency step size for swept carrier
Power f
1
Power setting for carrier 1
Downsweep
Frequency f
2
Frequency from-to setting of swept carrier 2
Frequency f
1
Frequency setting for fixed carrier 1
Step size
Frequency step size for swept carrier
Power f
2
Power setting for carrier 2 (must be equal if unit dBc is used)
Measurement
Setup
IM Order
Select between IM
2
| IM
3
| IM
5
| IM
7
… measurements
No. of Cycles
Set number of sweep cycles per measurement
Endless Mode
Run Sweep measurement until stop is pressed
Display Unit
Switches scale between dBm (absolute) and dBc (relative to carriers)
Alarm Setup
Error Limit
Set error limit level