“I sometimes wonder how we spent leisure time before satellite television and Internet came along…and then I realize that I have spent more than half of my life in the ‘dark ages’!”

Arthur C. Clarke, science fiction writer

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卫星接收

Satellite TV Signal: Reception

Rafael Micro is the world’s only company offering Ku-band RF Downconverter IC’s for all LNB configurations: Single, Twin, Quad, Quattro and Wide Band. No other company can provide this range of products!
Part No Ku-band LNB RF Downconverter Control Input Range (GHz) LO (GHz) Vcc (V)
RT320M Twin Universal 13 / 18VDC 0Hz / 22KHz 10.70 ~ 12.75 9.75 / 10.60 5.0
RT322M Twin 13 / 18VDC 11.70 ~ 12.75 10.75 5.0
RT323M Twin 13 / 18VDC 12.25 ~ 12.75 11.30 5.0
RT340M Quad Universal 13 / 18VDC 0Hz / 22KHz 10.70 ~ 12.75 9.75 / 10.60 5.0
RT342M Quad 13 / 18VDC 11.70 ~ 12.75 10.75 5.0
RT343M Quad 13 / 18VDC 12.25 ~ 12.75 11.30 5.0
RT346M Quattro Universal 10.70 ~ 12.75 9.75 / 10.60 3.3
RT348M Quattro Universal 10.70 ~ 12.75 9.75 / 10.60 5.0
RT360S Wideband with Single-ended Output 10.70 ~ 12.75 10.40 / 10.41 11.20 11.25 3.3
RT360D Wideband with Differential Output 10.70 ~ 12.75 10.40 / 10.41 11.20 11.25 3.3
RT361S Wideband High-power Single-ended Output 10.70 ~ 12.75 10.40 / 10.41 11.20 11.25 3.3
 

Satellite TV Signal: Multi-switch Distribution

Solid-state RF switches with various matrix configurations and control signal inputs for creating RF signal distribution equipment. RT480 has integrated amplifiers to compensate for RF signal losses in a system installation.

Part NoRF Switch MatrixControlInput Range
(GHz)
Loss/Gain
(dB)
Vcc
(V)
RT4522×2 Switch IC13 / 18VDC0.95 ~ 2.15-7.53.3
RT4564×2 Switch ICGPIO Pins
(Logic 0/1)
0.95 ~ 2.15-6.53.3

RT457

RT457B

4×2 Switch IC13 / 18VDC
0Hz / 22KHz
0.95 ~ 2.15-7.53.3
RT4584×2 Switch ICSPI interface0.95 ~ 2.15-7.53.3
RT4804×4 Switch IC13 / 18VDC
0Hz / 22KHz
0.95 ~ 2.15+155.0
 

Satellite TV Signal: aCSS Distribution

Analog Channel Stacking System (aCSS) is for distributing satellite signals from a single dish to multiple TV’s/STB’s using just a single cable by connecting them serially. It is documented in 2 international standards: EN50494, EN50607.

Part NoChannel Stacking
System (CSS)
ApplicationInput Range
(GHz)
Output Range
(GHz)
Vcc
(V)
RT7504 inputs → 4 UsersMulti-switch0.25 ~ 2.350.95 ~ 2.153.3
RT7584 inputs → 8 UsersMulti-switch0.25 ~ 2.350.95 ~ 2.151.4
RT7704 inputs → 8 UsersLNB0.25 ~ 2.350.95 ~ 2.151.4