S820E UG PN: 10580-00343 Rev. H B-3
Measurement Review B-2 Measurement Overview
Why Measure?
The basic goal of a wireless communication system is to transfer the
maximum amount of RF energy to achieve coverage (Figure B-2). Wireless
communication systems require good integration of all components from the
ground to the antenna. Problems such as dented shielding, bad connectors,
water ingress, or over-torque will cause a mismatch and reflect power in a
manner that reduces RF energy transfer.
Figure B-2. Coverage Area
Power Charge
+/-
.
0
3
Sweep
2
Calibrate
1
Preset
6
Limit
5
Trace
4
Measure
9
Mode
8
System
7
File
Shift
Back
Enter
ESC
S820E
Return Loss: 20 dB
1% power reflected
Complete Coverage
Return Loss: 10 dB
10% power reflected
Incomplete Coverage
Power Charge
+/-
.
0
3
Sweep
2
Calibrate
1
Preset
6
Limit
5
Trace
4
Measure
9
Mode
8
System
7
File
Shift
Back
Enter
ESC
S820E
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