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Calibrating the CMD Output Level for BER

The CMD 57/59 output level for BER measurement can be calibrated to high accuracy to match GSM 11.21, (with modulated signals and adjacent timeslots + 50 dB above the used timeslot) using a simple test setup containing an NRVD power meter and an FSE spectrum analyzer.

Name
Type
Version
Date
Size
Calibrating the CMD Output Level for BER | 1MA24

Application Note - English version

Type
Application Note
Version
0e
Date
10-Mar-2000
Size
134 kB
Excel Sheet 2.xls

Excel Sheet for a uncertainty calculation of the CMD output level after calibrating according to this application note.

Type
Application Note File
Version
Date
10-Mar-2000
Size
38 kB
Excel Sheet 1.xls

Excel Sheet No for convenient calculation of the mean level error of the CMD, dependent on the measured results.

Type
Application Note File
Version
Date
10-Mar-2000
Size
56 kB
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