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5 TECHNICAL SPECIFICATIONS
5.1. Tx Characteristics
All data is applicable to 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: ≤5 °
Peak: ≤20 °
5.1.3.
Output RF Spectrum due to Modulation
Offset from Centre Frequency (kHz)
±100
±200
±250
±600 to 1800
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
5.1.5.
Spurious Emissions at Antenna Connector
Frequency Range
30 to 50 MHz
50 to 500 MHz
500 MHz to 1GHz
1 GHz to 4GHz
Excl. relevant TX band:
P-GSM: 890 to 915 MHz;
DCS: 1710 to 1785 MHz
Relevent TX band:
P-GSM: 890 to 915 MHz;
DCS: 1710 to 1785 MHz
MCUK000601C8
Service Manual
0 Hz
30 Hz
100 kHz
Frequency Offset
Filter Bandwidth
-
10 kHz
-
100 kHz
0 to 1MHz
100 kHz
0 to 10 MHz
100 kHz
Š 10 MHz
300 kHz
Š 20 MHz
1 MHz
(offset from edge of
relevant TX band)
1.8 to 6.0 MHz
30 kHz
(offset from carrier)
Section 5
Maximum Level Relative to Carrier (dB)
+0.5
-30
-33
-60
Maximum Level (dBm)
GSM 900
-19
-22
-21
-24
-21
-24
-24
-27
Approximate Video
Bandwidth
30 kHz
300 kHz
300 kHz
300 kHz
1 MHz
3 MHz
100 kHz
– 27 –
TECHNICAL SPECIFICATIONS
GSM 1800
Limits (dBm)
GSM 900
GSM 1800
-36
-36
-36
-36
-36
-36
-30
-36
-30
-36
-30
-36
-30
-30
Revision 0
Issue 1
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