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5. TECHNICAL SPECIFICATIONS
5.1. Tx Characteristics
All data is applicable to E-GSM900 and GSM1800 except where stated.
±
0.1 ppm max., relative to base station frequency.
RMS: Equal to or less than 5
°
Peak: Equal to or less than 20
°
5.1.3. Output RF Spectrum due to Modulation
5.1.1. Frequency Error
5.1.2. Modulation Phase Error
Offset from Centre Frequency (kHz)
Maximum Level Relative to Carrier 9dB)
±
100
+0.5
±
200
-30
±
250
-33
±
400
-60
±
600 to 1800
-60
5.1.4. Output RF Spectrum due to Switching Transients
Maximum Level (dBm)
Offset from Centre Frequency (kHz)
E-GSM 900
GSM 1800
±
400
-19
-22
±
600
-21
-24
±
1200
-21
-24
±
1800
-24
-27
Measurement conditions for output RF spectrum measurements:
Frequency Span
0 Hz
Measurement Bandwidth:
30 kHz
Video Bandwidth:
30 kHz (modulation)
100 kHz (switching)
Average (Modulation)
Over 200 burst
Peak Hold (Switching)
Over 10 burst