Analogue Signals - Nokia RH-64 Service Manual

RH-64
System module

Analogue Signals

Table 16 AC and DC Characteristics of RF-Base band Analogue Signals
Signal From
name
RFCLK VCTCXO
RFCLKGnd VCTCXO
RXIP, RF-IC
RXIN,
RXQP,
RXQN
TXIP, UEMCLite
TXIN,
TXQP,
TXQN
9243363 (Issue 1)
To Parameter
UPP Frequency
Signal
amplitude
Input
Impedance
Input
Capacitance
Harmonic
Content
Clear signal
window (no
glitch)
Duty Cycle
UPP DC Level
UEMCL Voltage
ite swing
(static)
DC level
I/Q
amplitude
mismatch
I/Q phase
mismatch
RF-IC Differential
voltage
swing
(static)
DC level
Source
Impedance
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Min Typ Max
13/26
0.2 0.8 1.32
10
10
-8
200
40 60
0
1.4 1.45
1.3 1.35 1.4
0.2
-0.5 0.5
2.25 2.45
1.17 1.20 1.23
200
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Unit Function
MHz System Clk from RF to
BB,
Vpp 13/26 MHz Depending
on RF chipset
kW UPP minimum
recommended
amplitude is 0.3Vpp.
pF
dBc
mVpp
%
V System Clock slicer Ref
GND, not separated
from pwb GND layer
Vpp Differential positive /
negative in-phase and
quadrature Rx Signals.
V
dB
deg
Vpp Differential positive /
negative in-phase and
quadrature Tx Signals
In High-Z when RX is
receiving.
V
W
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