NSW-5
System Module UT5U
PAMS Technical Documentation
Page 45
Issue 1 10/00
Nokia Mobile Phones Ltd.
Function
Unit
Max
Typ
Min
Parameter
To
From/
Control
Signal
name
IF2DP/
IF2DN
ERO-
TUS
Cobba_D
IF2 frequency
450
kHz
Differential IF2–sig-
nal
to RX A/D–converter,
PGA = 0 dB
Output level
170
1400
mVpp
Source imp.
300
Ω
RFC
VCTCX
O
Cobba_D
(via ERO-
TUS
Frequency
19.44
MHz
High stability clock
signal for the logic
circuits
Signal amplitude
0.2
1.0
Vpp
Load resistance
10
k
Ω
Load capacitance
5
pF
RFCEN
MAD
(CTID,
RFCEN)
CCONT,
Cobba_D,
RF block
2V8 regu-
Logic high ”1”
2.0
V
Supply voltage VR1
ON, RFC enable, RF
block 2V8 regulator
(PENTA) enable
g
lator
Logic low ”0”
0.5
V
Supply voltage VR1
OFF, RFC disable,
RF block 2V8 regula-
tor (PENTA) disable
Current
100
uA
MCU, DSP
timing inaccuracy
50
us
RSSI
ERO-
TUS
CCONT
Voltage
0.1
1.5
V
Analog mode
field strength
indicator voltage
Digital mode
Load resistance
0.5
M
Ω
Load capacitance
50
pF
RXPWR2
MAD
(CTID,
RF block
2V8
Logic high ”1”
2.0
V
Supply voltage VR8
ON
DSP
FTC)
MUX
regulator
Logic low ”0”
0.5
V
Supply voltage VR8
OFF
MUX
Current
100
uA
DSP
timing inaccuracy
30
us
RXPWR3
MAD
(CTID,
RF block
2V8
Logic high ”1”
2.0
V
Supply voltage VR9
ON
DSP
FTC)
MUX
regulator
Logic low ”0”
0.5
V
Supply voltage VR9
OFF
MUX
Current
100
uA
DSP
timing inaccuracy
30
us