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-10
RF-BB Interface
--> TX_QN
--> RX_IF_AGC
<-- RX_IN
--> TX_GATE
<-- RX_QP
--> TX_QP
<-- FALSE_DET
--> VREFRF01
<-> RFBusData
<-- PWROUT
--> AUXDAC
--> AFC
--> RFBusClk
--> PURX
<-- PA_TEMP
--> TX_IN
--> TX_AGC1
--> TX_IP
--> SYNTH_LE
--> RFBusEn1X
<-- RX_QN
--> TX_AGC2
<-- RX_IP
--> AMPS_AGC
C2904
33n
0
7
0
05
6
1
C2906
07
GND
GND
5
0
1n0
10n
C2902
GND
4
GND
R2900
4k7
R2905
4k7
1n0
C2903
2
2
3
0
GND
2
02
C2905
10n
GND
2
3
R2903
1k0
3
1
15
V2900
BC848BL3_E6433
15
3
4
R2902
4k7
0
02
7
1
9
1
05
6
0
9
2
06
5
1
0
C2901
10n
6
R2901
1k0
10n
C2900
2
1
1
0
07
06
R2904
GND
RFCONV(9:0)
RFAUXCONV(2:0)
RFCONV_O(9:0)
RFAUXCONV_O(2:0)
SLOWAD_O(6:0)
RFICCTRL_O(2:0)
SLOWAD(6:0)
RFICCTRL(2:0)
PUSL(3:0) PUSL_O(3:0)
TIKU_GENIO_O(30:0)
TIKU_GENIO(30:0)
6
4k7