Synthesizer Block Diagram - Nokia RH-57 Series Troubleshooting Manual

2112 (RH-57)
Troubleshooting - RF

Synthesizer Block Diagram

Note: See the Schematics chapter for an 2112 (RH-57) synthesizer schematic.
367.2MHz 367.2MHz
Page 38
CELL:457.2MHz CELL:457.2MHz
19.2MHz 19.2MHz
VCTCXO VCTCXO
VHF VHF
counter counter 19.2MHz to 19.2MHz to
UPP UPP
Yoda Yoda
Figure 28: Synthesizer block diagram
©2004 Nokia Corporation
JEDI JEDI
VHF VHF UHF UHF
counter counter counter counter
CELLl Band UHF VCO CELLl Band UHF VCO
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Issue 1 07/2004