Harris Ranger Series, Commissioning Manual

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12/24/07 888-2685-001 4-31
WARNING: Disconnect primary power prior to servicing.
Section 4 RF Testing
Ranger Commissioning Manual
4.2.15.7 Linear Precorrection Test Results
The following plots show the typical results:
Figure 4-19 Group Delay Plot 1
Expected results Result
Residual Group Delay < 1 usecs with Exciter A PASS FAIL
Residual Group Delay < 1 usecs with Exciter B PASS FAIL
Amplitude Variations , 1 dB with Exciter A PASS FAIL
Amplitude Variations , 1 dB with Exciter B PASS FAIL
Group delay
-0.5
0
0.5
1
1.5
2
2.5
3
0 500 1000 1500 2000 2500 3000 3500 4000
Channel
G
rou
p d
e
la
y
(
u
S)
Run# 1
Run# 2
Run# 3
Run# 4
Run# 5
Run# 6
Run# 7
Run# 8
Run# 9
Run# 10