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140 Chapter 10
GSM/EDGE Measurement Application
Measurements
Description Specifications Supplemental Information
ORFS and EDGE
ORFS (continued)
Dynamic Range,
Spectrum due to
modulation
a
a. Maximum dynamic range requires RF input power above −2 dBm for offsets of 1.2 MHz and below for
GSM, and above −5 dBm for EDGE. For offsets of 1.8 MHz and above, the required RF input power for
maximum dynamic range is +8 dBm for GSM signals and +5 dBm for EDGE signals.
5-pole sync-tuned filters
b
Methods: Direct Time
c
and FFT
d
Offset Frequency GSM
(GMSK)
EDGE
(NSR
8PSK &
Narrow
QPSK)
EDGE
(others)
e
GSM
(GMSK)
(typical)
EDGE
(NSR 8PSK
& Narrow
QPSK)
(typical)
EDGE
(others)
e
(typical)
100 kHz
f
60.7 dB 60.7 dB 60.6 dB
200 kHz
e
66.0 dB 65.9 dB 65.5 dB
250 kHz
e
67.7 dB 67.5 dB 67.0 dB
400 kHz
e
71.1 dB 70.6 dB 69.7 dB
600 kHz 73.8 dB 72.9 dB 71.5 dB 78.4 dB 77.7 dB 76.3 dB
1.2 MHz 77.4 dB 75.7 dB 73.2 dB 82.2 dB 80.5 dB 78.1 dB
GSM
(GMSK)
(nominal)
EDGE
(NSR 8PSK
& Narrow
QPSK)
(nominal)
EDGE
(others)
(nominal)
1.8 MHz
g
76.9 dB 76.3 dB 75.2 dB 83.8 dB 83.0 dB 81.5 dB
6.0 MHz
g
80.3 dB 79.1 dB 77.1 dB 85.7 dB 84.5 dB 82.5 dB
Dynamic Range,
Spectrum due to
switching
a
GSM
(GMSK)
EDGE
(NSR
8PSK &
Narrow
QPSK)
EDGE
(others)
e
5-pole sync-tuned filters
h
Offset Frequency
400 kHz 68.9 dB 68.4 dB
600 kHz 71.2 dB 70.5 dB
1.2 MHz 73.9 dB 72.7 dB
1.8 MHz 79.8 dB 79.3 dB