Nokia 6310I - Cell Phone - GSM, Руководство по обслуживанию

Страница: 67 / 331

PAMS Technical Documentation 2 - Baseband System
NPL-1
,VVXH$SULO  1RNLD&RUSRUDWLRQ 3DJH
VR2 UEM
VR2
Mjoelner
VDDTX
VDDDIG
UEM Output 2.70 2.78 2.86 V Supply to :
TX – chain
Modulator RF-BB
digital interface
Mjoelner Input
Voltage 2.64 2.78 2.86 V
Load Current 0.1 #
100 mA
Load
Capacitance 800 1000
1200
) nF
20 600
m
Ω
ESR
Settling Time 10 uS Sleep to Active
VR3 UEM
VR3
LPRF-
CLK
driver &
Mjoelner
VDDXO
VDDBBB
UEM Output
voltage 2.70 2.78 2.86 V Supply to :
LPRFCLK
driver, XO and
baseband
buffer
Mjoelner Input
Voltage 2.64 2.78 2.86 V
Load Current 0.1 ) 20 mA
Load
Capacitance 800 1000
1200
)
nF
20 600
m
Ω
ESR
Settling Time 100 us Off to on
10 ? us Sleep to Active
?
VR4 UEM
VR4
Mjoelner
VDDRXBB
UEM Output
voltage 2.70 2.78 2.86 V Supply to :
RX
Mjoelner Input
Voltage 2.64 2.78 2.86 V
Load Current 0.1
)
50 mA
VR5 UEM
VR5
Mjoelner
VDDPRE
VDDLO
VDDPLL
UEM Output
voltage 2.70 2.78 2.86 V Supply to :
Prescaler
Mjoelner Input
Voltage 2.64 2.78 2.86 V
Load Current 0.1
)
50 mA
Load
Capacitance 800 1000
1200
) nF
20 600
m
Ω
ESR
Settling Time 10 uS Sleep to Active
VR6 UEM
VR6
Mjoelner
VDDRXF
UEM Output
voltage 2.70 2.78 2.86 V Supply to :
RX
Mjoelner Input
Voltage 2.64 2.78 2.86 V
Load Current 0.1 ) 50 mA
Load
Capacitance 800 1000
1200
)
nF
20 600
m
Ω
ESR
Settling Time 10 uS Sleep to Active
7DEOH5HJXODWRUVDQGUHIHUHQFHV
6LJQDOQDPH )URP 7R 3DUDPHWHU 0LQ 7\S 0D[ 8QLW 1RWHV