Analogue Signals - Nokia NPM-6 Series Manual

System Module and User Interface
RESET UPP
GenIO 6

Analogue Signals

Signal
From To
name
VCTCXO VCTCXO UPP
VCTCXOGnd VCTCXO UPP
RXI/RXQ Helga UEM
TXIP / TXIN UEM the
Helga
Page 16
the "1"
Helga
"0"
Load capacitance
Load resistance
Parameter
Frequency
Signal amplitude
Input resistance
Input capaci-
tance
Harmonic con-
tent
Clear signal win-
dow (no glitch)
Duty cycle
DC level
Voltage swing
(static)
DC level
Input impedance
Differential volt-
age swing (static)
DC level
Source imped-
ance
ãNokia Corporation.
CCS Technical Documentation
1.38 1.85
0 0.4
20
10 220
Min Typ Max Unit
13 26 MHz
0.2 1.32 Vpp
10 kohm
10 pF
-8 dBc
200 mVpp
40 60 %
0 V
1.35 1.4 1.45 Vpp
1.3 1.35 1.4 V
500 kohm
2.15 2.2 2.25 Vpp
1.17 1.20 1.23 V
200 ohm
V Reset to the
Helga
V
pF
kohm
Function
High stability
clock signal for
the logic circuits,
AC coupled. Dis-
torted sinewave
eg. sawtooth.
Ground for refer-
ence clock
Received demodu-
lated I- and Q-
signals
Programmable
voltage swing.
Programmable
common mode
voltage.
Between TXIP-
TXIN
Issue 1 01/03