Nokia NSE–3 SERIES Service Manual page 65

PAMS
Technical Documentation
Signal From To
name
SYNP MAD CCONT
WR
RXPW MAD CCONT
R
TXPW MAD CCONT
R
VREF CCON PLUSSA Voltage
T
PDA- MAD CRFU_1
TA0 a
SENA1 MAD PLUSSA Logic high "1"
SDATA MAD PLUSSA Logic high "1"
SCLK MAD PLUSSA Logic high "1"
AFC COB- VCTCX
BA O
RFC VCTCX MAD
O
RXIP/ PLUS- COBBA
RXIN SA
TXIP/ COB- PLUSSA Differential voltage
TXIN BA
TXQP/ COB- PLUSSA Differential voltage
TXQN BA
Original 11/97
Parameter Mini-
mum
Logic high "1" 2.0
Logic low "0" 0
Logic high "1" 2.0
Logic low "0" 0
Logic high "1" 2.0
Logic low "0" 0
1.478 1.5
Logic high "1" 2.0
Logic low "0" 0
2.0
Logic low "0" 0
2.0
Logic low "0" 0
2.0
Logic low "0" 0
Voltage 0.046
Frequency
Signal amplitude 0.5
Output level
0.75
swing x
1.022
DC level 0.784 0.8
0.75
swing x
1.022
DC level 0.784 0.8
System Module
Typi- Maxi- Unit
cal mum
2.85 V VR3, VR4 in
CCONT ON
0.8 V VR3,VR4 in
CCONT OFF
2.85 V VR2, VR5 in
CCONT ON
0.8 V VR2, VR5 in
CCONT OFF
2.85 V VR7 in CCONT
ON
0.8 V VR7 in CCONT
OFF
1.523 V Reference voltage
for PLUSSA and
CRFU1a
2.85 V Nominal gain in
LNA
0.8 V Reduced gain in
LNA
2.85 V PLL enable
0.8 V
2.85 V Synthesizer data
0.8 V
2.85 V Synthesizer clock
0.8 V
2.254 V Automatic fre-
quency control
signal for
VC(TC)XO
13 MHz High stability clock
signal for the logic
1.0 2.0 Vpp
circuits
50 1344 mVp Differential RX 13
p MHz signal to
baseband
0.75 x 0.75 x Vpp Differential in–
1.1 1.18
phase TX base-
band signal for the
RF modulator
0.816 V
0.75 x 0.75 x Vpp Differential quad-
1.1 1.18 rature phase TX
baseband signal
for the RF modu-
0.816 V
lator
NSE–3
Function
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