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3. TECHNICAL BRIEF
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■ GSM Rejection Filter (SUB FL101)
GSM rejection filter is placed between antenna and tuner. The filter is a type of BPF(Band Pass Filter)
and has pass-band from 470MHz to 862MHz. This filter is used protect DVB-H/T signal from GSM
interference which is near by DVB-H/T band. So, the performance of the filter is decided by attenuation
for GSM band.
■ Integrated Tuner in DVB-H/T IC (SUB U104)
Tuner is integrated in the IC. The functions of each of the individual blocks in the diagram will be
described in the following subsections.
[Fig. 3.11] DVB-H/T Signal Path and Components(MAIN)
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