User Guide

Nokia Customer Care 6255/6255i/6256/6256i (RM-19) Schematics / Layouts 6255/6255i/6256/6256i (RM-19)
Issue 2 05/2005 ©2005 Nokia Corporation Company Confidential Page A-14
UHF Synthesizer
NOT_INSTALLED
L7201
C7224
100n
3k9
R7204
100R
GND
GND
R7213
GND
GND
150RR7210
R7202
330R
NOT_INSTALLED
1u0
C7215
C7217
6p8
NOT_INSTALLED
3k3
R7206
NOT_INSTALLED
SYN02
NOT_INSTALLED
C7205 10p
1p8
C7223
GND
GND
C7200
1u0
R7209
100n
C7213
R7212
0R
GND
10k10k
R7211
GND GND GND
470p
C7209
47pC7214
VPLL
GND
C7207
1n0
NOT_INSTALLED
C7222
6n8
R7201
5k6
NOT_INSTALLED
C7203
10n
C7201
1n0
C7219
1n0
10n
C7216
GND
R7208
10R
GND
GND
C7212
10n
R7207
120R
NOT_INSTALLED
VR3
GND
G7200
Vcon
NC/
GND
Out
+Vcc
C7204
470p
20
Vp
4
Fin
5
Finb
6
OSCin
8
OSCout
9
FoLD
KT21P-DCW28A
19.2MHz
N7200
18= VPLL
3,14,= GND
10
Clock
12
Data
13
LE
CE
15
16
Vuc
19
FL
2
CPo
470p
LMX2310USLDX
V7200
BC848BL3_E6433
NOT_INSTALLED
C7202
R7215
VR3
C7226
100n
2k2
GND
GND
VIO
1n0
C7220
10R
R7216
1n0
C7208
NOT_INSTALLED
GND
3n3H
L7200
GND
C7225
BS
10n
G7201
ENFVJ5A2F10VT
VCC
OUT
R7205
GND
33n
10k
10R
R7200
C7221
NOT_INSTALLED
R7203
0R
L7202
8n2H
GND
VR4
C7206
470p
C7210
470p
GND
VR1A
C7218
VR4
3n3
SYNTH_LE
RF_BUS_CLK
CLK19M2_TIKU
C7211 470p
F_REF_TX
RF_BUS_DATA
BAND_SEL_VCO
AFC
F_REF_RX
CLK19M2_LPRF
PCS_CELL_LO
CLK19M2_GPS