NHL-4/4U
System Module and User Interface
5) )UHTXHQF\ 3ODQ
5) IUHTXHQF\ SODQ LV VKRZQ EHORZ 7KH 9&2 RSHUDWHV DW WKH FKDQQHO IUHTXHQF\ PXOWLSOLHG
E\ WZR RU IRXU GHSHQGLQJ RQ WKH IUHTXHQF\ EDQG RI RSHUDWLRQ 7KLV PHDQV WKDW WKH EDVH
EDQG PRGXODWHG VLJQDOV DUH GLUHFWO\ FRQYHUWHG XS WR WKH WUDQVPLVVLRQ IUHTXHQF\ DQG WKH
UHFHLYHG 5) VLJQDOV GLUHFWO\ GRZQ WR WKH EDVHEDQG IUHTXHQF\
925-960
MHz
1805-1990
MHz
1710-1910
MHz
880-915
MHz
3DJH
&RPSDQ\ FRQILGHQWLDO
)LJXUH 5) )UHTXHQF\ SODQ
HELGA
f
f
f/4
f/2
f
f
f/4
f/2
PLL
1RNLD &RUSRUDWLRQ
CCS Technical Documentation
I-signal
I-signal
I-signal
I-signal
Q-signal
3420-
3980
MHz
26 MHz
VCTCXO
I-signal
Q-signal
RX
TX
,VVXH