User Guide

CC Technical Documentation System Module
RM-11
Issue 1 02/2004 ©2004 Nokia Corporation Confidential Page 33
• RSSI channel compensation
• RSSI temperature compensation
RF Frequency Plan
The RM-11 frequency plan is shown in Figure 25. A 19.44 MHz VCTCXO is used for the
UHF and VHF PLLs and as a baseband clock signal. All RF locals are generated in PLLs.
Figure 25: RM-11 frequency plan
DC Characteristics
Regulators
The regulator circuit is UEM and the specifications are contained in Table 10:
Table 10: Regulator circuit information
Regulator
name
Output
voltage (V)
Regulator Max
current (mA)
RF total
1GHz
RF total
2GHz
VR1 a/b 4.75 +/- 3% 10 4 4
VR2 2.78 +/-3% 100 100 76
VR3 2.78 +/-3% 20 2 2
VR4 2.78 +/-3% 50 23 24
VR5 2.78 +/-3% 50 5 0
VR6 2.78 +/-3% 50 tbd tbd
VR7 2.78 +/-3% 45 40 45
UHF LO
CELL 997.14 - 1022.07 MHz, 30 kHz Step
PCS 2058.10 - 2118.05 MHz, 50 kHz Step
TX Block
RX Block
TX VHF LO
CELL 346.2 MHz
PCS 416.2 MHz
°0
°90
2
1
TX Q
TX I
RX VHF LO
CELL 256.2 MHz
PCS 256.2 MHz
°0
°90
2
1
RX Q
RX I
TX IF
CELL 173.6 MHz
PCS 208.1 MHz
RX IF
CELL 128.1 MHz
PCS 128.1 MHz
824.04 - 848.97 MHz
30 kHz Steps
1850.00 - 1909.95 MHz
50 kHz Steps
PCS
CELL
1930.00 - 1989.95 MHz
50 kHz Steps
869.04 - 893.97 MHz
30 kHz Steps
PCS
CELL