Uhf Synthesizer Layout - Nokia RM-11 Series Troubleshooting Manual

CC Technical Documentation

UHF Synthesizer Layout

VC TC X O reference probing point:
19.2MHz @ +4.5dBm
Issue 2 09/2005
© 2005 Nokia Corporation
Troubleshooting - RF
UHF PLL IC LMX 2310
Lock voltage:
DC betw een 1 and 3 V
R X LO input
C E LL C H 384: 1009.62MHz @ –2.5dBm
PC S C H 600: 2088.1MHz @ -12dBm
Dual Band UHF V C O
TX LO buffer
RF probe point, TX LO output levels:
C E LL C H 384: 1009.62MHz @ –0.5dBm
PC S C H 600: 2088.1MHz @ -20dBm
Confidential
RM-11
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