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ATCOM AT800 Series Bedienungsanleitung Seite 28

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AutoTune™ User Guide
21
6.4. Deviation Limit
RF Control
Port
Frequency
Modulation
Level
Monitor
RF IN/OUT
Test Frequency
FM
30 dB
Table 6-10. Analyzer Configuration for Deviation Limit
6.4.1. Alignment
The radio is placed into Test Mode at the highest TX Test Frequency and commanded
to transmit. The radio generates a digital test pattern at high deviation. This deviation is
measured with the analyzer and adjusted until it is close to the midpoint between the
test limits. The resulting deviation measurement is compared against test limits and
written to the log file. This adjustment is repeated for each remaining TX Test
Frequency.
Name
Description
Result
Pass or Fail. Deviation level within Max Limit, Min Limit
Frequency
Test Frequency
Deviation
Measured deviation level
Min Limit
Minimum Limit (inclusive) for Deviation
Max Limit
Maximum Limit (inclusive) for Deviation
Old Softpot
Original radio softpot setting
New Softpot
Radio softpot after alignment
Table 6-11. Deviation Limit alignment results
6.4.2. Test
The radio is placed into Test Mode at the highest TX Test Frequency and commanded
to transmit. The radio generates a digital test pattern at high deviation. This deviation is
measured and compared against test limits. The final results are written to the log file.
This test is repeated for each remaining TX Test Frequency.
Name
Description
Result
Pass or Fail. Deviation level within Max Limit, Min Limit
Frequency
Test Frequency
Deviation
Measured deviation level
Min Limit
Minimum Limit (inclusive) for Deviation
Max Limit
Maximum Limit (inclusive) for Deviation
Softpot
Radio softpot setting
Table 6-12. Deviation Limit test results
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