Raymarine Satellite TV Systems, Руководство пользователя

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68 Raymarine Satellite TV Systems
Local oscillator frequency 9.75 GHz - Low band
10.6 GHz - High band
Local oscillator frequency stability
+ 1.0 MHz @ 25
o
C
+ 2.0 MHz @ -40
o
C ~ 60
o
C
Local oscillator phase noise -50 dBc/Hz @ 1 KHz maximum
-75 dBc/Hz @ 10 KHz maximum
-95 dBc/Hz @ 100 KHz maximum
Gain flatness + 0.5 dB/ 26 MHz
Cross polarization isolation 20 dB(min)
Image rejection 40 dBm
Output in band spurious -60 dBm (max)
Output VWSR 2.5:1 (max)
Noise figure 0.6 dB typical - Low band
0.7 dB typical - High band
Output connector type 75 Ohm F-type female connector
(2 port)
Polarization switching voltage 10.5 V ~ 14.0 V @ vertical polar-
ization
16.0 V ~ 19.0 V @ horizontal
polarization
Universal Twin LNBF
DC current consumption 160 mA (max)
Band switching signal (DiSEqC 1.0
interface) 0 Hz - Low band
22 KHz + 4 KHz - High band
Operating temperature range
-40
o
C ~ +60
o
C
Storage temperature range
-40
o
C ~ +80
o
C
Polarization modes Linear vertical and horizontal
Dual LNBF
RF input frequency range 12.1 ~ 12.7 GHZ
IF output frequency range 950 ~ 1450 MHz
Local oscillator frequency stability 11250 + 4 MHz (max) over tempera-
ture and life
Local oscillator jump @ 13/18 V
switching 2.5 KHz (max)
Local oscillator phase noise -50 dBc/Hz @ 1 KHz maximum
-75 dBc/Hz @ 10 KHz maximum
-95 dBc/Hz @ 100 KHz maximum
Conversion gain 50 ~ 62 dB
Gain flatness 1 dB (max) @ 24 MHz intervals
Universal Twin LNBF
81258_3.book Page 68 Wednesday, November 8, 2006 2:06 PM