Nokia 6310I - Cell Phone - GSM, Service Manual

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PAMS Technical Documentation 2 - Baseband System
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Clock System clock for LPRF and phone
LPRFCLK Lprfclk
buffer
BT102/
BT202
module
SysClk
Frequency 26 MHz System clock
for the
Bluetooth
module.
-20 +20 ppm
Duty cycle
30 50 70 %
Signal amplitude
(26 MHz) 0.2
1.0
3.0 V
pp
Settling time
5,0 mS
VR3 on to stable
clock @ MCM
input
RFCLK Mjoelner
REFOUT
UPP
RFCLK
Frequency 26 MHz System clock
-20 +20 ppm
Duty cycle 40 60 % Upp input req.
Biased in UPP
VR3 on to stable
clock @ UPP
input
Signal amplitude 0,3 1,32 Vpp
DC Offset
0,82 0,9
0,98
Vdc
Settling time 5,0 mS
RFCONV (9:0) RF / BB analogue signals
RXIIP
RFCONV(0)
RXIINN
RFCONV(1)
RXQINP
RFCONV(2)
RXQINN
RFCONV(3)
Mjoelner
RXIP
Mjoelner
RXIM
Mjoelner
RXQP
Mjoelner
RXQM
UEM
RXIINP
UEM
RXIINN
UEM
RXQINP
UEM
RXQINN
Max input
Voltage swing 1.35 1.4 1.45 Vpp Differential
complex RX BB
signal
Nominal Voltage
swing V
Input DC level
1.3 1.35 1.4 Vdc
Signal frequency
67,7 kHz
Input BW 270,8
3 kHz
TXIOUTP
RFCONV(4)
TXIOUTN
RFCONV(5)
TXQOUTP
RFCONV(6)
TXQN
RFCONV(7)
UEM
TXIOUTP
UEM
TXIOUTN
UEM
TXQOUTP
UEM
TXQOUTN
Mjoelner
TXIP
Mjoelner
TXIN
Mjoelner
TXQP
Mjoelner
TXQN
Max Differential
output swing
(ref.
TxIN)
2.15 2.2 2.25 Vpp Differential
complex TX
signal
(programable
voltage swing)
Input diff. Swing
(ref. TxIN)
1,0 Vpp
DC level 1.0 1.20 1.25 Vdc
Source
impedance
200
Ω
Signal frequency 67,7 kHz
RFAUXCONV(2:0)
RF / BB analogue control signals