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RH-99; RH-100; RH-105; RH-106
RF troubleshooting
General RF troubleshooting ..................................................................................................................................5-5
General RF troubleshooting .............................................................................................................................5-5
RF key components ...........................................................................................................................................5-5
Auto tuning .............................................................................................................................................................5-7
Receiver GSM900/1800 ..........................................................................................................................................5-8
General instructions for GSM900 RX troubleshooting ...................................................................................5-8
GSM900/1800..................................................................................................................................
GSM850/1900..................................................................................................................................
Introduction....................................................................................................................................................
List of Figures
Figure 30 RF key components on PWB.................................................................................................................5-5
Figure 31 Supply and control points at FEM (N7100) and Litti (D2901)............................................................5-6
Figure 32 Auto tuning concept with CMU200......................................................................................................5-7
Figure 33 Auto tuning concept with RX and TX tuning devices and splitter....................................................5-7
Figure 34 GSM900 RF controls window ................................................................................................................5-9
Figure 35 GSM 900 Receiver
Figure 36 GSM1800 RF controls
Figure 37 GSM 1800 Receiver troubleshooting
Figure 38 Measurement points at the RX SAW Filters - Z7101/Z7100
Figure 39 GSM850 RF controls window
Figure 40 GSM 850 Receiver
Figure 41 GSM 1900 RF controls
Figure 42 GSM 1900 Receiver troubleshooting
Figure 43 Measurement points at the RX SAW Filters - Z7101/Z7100
Figure 44 GSM 900 RF controls window
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