Nokia NSW-5 Series Service Manual page 59

PAMS Technical Documentation
Signal From/
name Control
IF2DP/ ERO- Cobba_D IF2 frequency
IF2DN TUS
RFC VCTCX Cobba_D
O (via ERO-
RFCEN
MAD CCONT,
Cobba_D,
(CTID,
RF block
RFCEN )
2V8 regu-
RSSI ERO- CCONT
TUS
RXPWR2 MAD RF block
(CTID,
DSP regulator
FTC)
MUX MUX
RXPWR3 MAD RF block
(CTID,
DSP regulator
FTC)
MUX MUX
Issue 1 10/00
To Parameter
Output level
Source imp.
Frequency
TUS
Signal amplitude
Load resistance
Load capacitance
Logic high "1"
g
lator
Logic low "0"
Current
timing inaccuracy
Voltage
Load resistance
Load capacitance
Logic high "1"
2V8
Logic low "0"
Current
timing inaccuracy
Logic high "1"
2V8
Logic low "0"
Current
timing inaccuracy
E Nokia Mobile Phones Ltd.
System Module UT5U
Min Typ Max Unit
450 kHz
170 1400 mVpp
Ω
300
19.44 MHz
0.2 1.0 Vpp
10 kΩ
5 pF
2.0 V
0.5 V
100 uA
50 us
0.1 1.5 V
0.5
MΩ
50 pF
2.0 V
0.5 V
100 uA
30 us
2.0 V
0.5 V
100 uA
30 us
NSW-5
Function
Differential IF2–sig-
nal
to RX A/D–converter,
PGA = 0 dB
High stability clock
signal for the logic
circuits
Supply voltage VR1
ON, RFC enable, RF
block 2V8 regulator
(PENTA) enable
Supply voltage VR1
OFF, RFC disable,
RF block 2V8 regula-
tor (PENTA) disable
MCU, DSP
Analog mode
field strength
indicator voltage
Digital mode
Supply voltage VR8
ON
Supply voltage VR8
OFF
DSP
Supply voltage VR9
ON
Supply voltage VR9
OFF
DSP
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