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5 TECHNICAL SPECIFICATIONS
5.1. Tx Characteristics
All data is applicable to E-GSM 900 and GSM 1800 except where stated.
5.1.1
Frequency Error
±0.1 ppm max., relative to base station frequency.
5.1.2
Modulation Phase Error
RMS:
Equal to or less than 5 °
Peak
Equal to or less than 20 °
5.1.3.
Output RF Spectrum due to Modulation
Offset from Centre Frequency (kHz)
5.1.4.
Output RF Spectrum due to Switching Transients
Offset from Centre Frequency (kHz)
±400
±600
±1200
±1800
Measurement conditions for output RF spectrum measurements:
Frequency Span
Measurement Bandwidth:
Video Bandwidth:
Peak Hold
MCUK011201C8
Service Manual
±100
±200
±250
±400
±600 to 1800
0 Hz
30 Hz
100 kHz
Section 5
– 25 –
TECHNICAL SPECIFICATIONS
Maximum Level Relative to Carrier (dB)
+0.5
-30
-33
-60
-60
Maximum Level (dBm)
E-GSM 900
-19
-21
-21
-24
GSM 1800
-22
-24
-24
-27
Issue B
Revision 0
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