24 Chapter2
Setting Up the EDGE (with GSM) Mode
Changing the Frequency Channel
Changing the Frequency Channel
After selecting the desired mode setup, you will need to select the
desired ARFCN, center frequency, BMT frequency, burst type, and TSC
(Training Sequence Code). The selections made here will apply to all
measurements in the mode. Press the
Frequency Channel key to access
the following menu:
ARFCN Allows you to select the desired RF channel to be
measured. Refer to the table in the previous section for
the ARFCN range for a specific GSM band.
Center Freq This is the current instrument center frequency. Use
this key to input a frequency that corresponds to the
desired RF channel to be measured.
BMT Freq Allows you to select the Bottom, Middle, or Top
frequencies of the selected radio band to be measured.
This will automatically select a specific center
frequency and ARFCN. Refer to the following table.
Band Tx Band Edge
(MHz)
BOTTOM MIDDLE TOP
Low High Freq
(MHz)
ARFCN Freq
(MHz)
ARFCN Freq
(MHz)
ARFCN
P-GSM 935 960 935.200 1 947.600 63 959.800 124
E-GSM 925 960 925.200 975 942.600 38 959.800 124
R-GSM 921 960 921.200 955 940.600 28 959.800 124
DCS 1800 1805 1880 1805.20 512 1842.60 699 1879.80 885
PCS 1900 1930 1990 1930.20 512 1960.00 661 1989.80 810
GSM 450 460.4 467.6 460.600 259 464.000 276 467.400 293
GSM 480 488.8 496.0 489.000 306 492.400 323 495.800 340
GSM 850 869 894 869.200 128 881.600 190 893.800 251
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