User Guide

PAMS Technical Documentation System Module
NPE-3
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7. RFC VCTCXO
To
MAD2WD1
(via divider)
Frequency 26
±1pp
m
MHz High stability
clock signal
for the logic
circuits
Signal amplitude
0.5
1.0 2.0
Vpp
Load resistance
10 kohm
Load capacitance 10
pF
Settling time 5
mS From power
on
8/9 . RXI /RXQ HAGAR
COBBA_
GJP
Output level 50 1344
MVpp Differential RX
13 MHz sig-
nal to base-
band
RXIP/RXQP
Source imped-
ance
Tbd.
ohm
Load resistance 1
Mohm
Load capacitance Tbd.
pF
10.VREF_
RX
COBBA_
GJP
Voltage 1.2
V RX signal ref-
erence.
RxRef
Current 100
uA Sink or source
Source resis-
tance
200
ohm
11/12. TXIP/
TXIN
COBBA_
GJP
Differential volt-
age swing
1.022
1.1 1.18
Vpp Differential in-
phase TX
baseband sig-
nal for the RF
modulator
DC level
0.784
0.8 0.816
V
Differential offset
voltage (cor-
rected)
+/-
2.0
mV
Diff. offset volt-
age temp. depen-
dence
+/-
1.0
mV
Source imped-
ance
200
ohm
Load resistance
40 kohm
Load capacitance 10
pF