“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
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
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

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 No	RF Switch Matrix	Control	Input Range (GHz)	Loss/Gain (dB)	Vcc (V)
RT452	2×2 Switch IC	13 / 18VDC	0.95 ~ 2.15	-7.5	3.3
RT457 RT457B	4×2 Switch IC	13 / 18VDC 0Hz / 22KHz	0.95 ~ 2.15	-7.5	3.3
RT480	4×4 Switch IC	13 / 18VDC 0Hz / 22KHz	0.95 ~ 2.15	+15	5.0

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 No	Channel Stacking System (CSS)	Application	Input Range (GHz)	Output Range (GHz)	Vcc (V)
RT750	4 inputs → 4 Users	Multi-switch	0.25 ~ 2.35	0.95 ~ 2.15	3.3

卫星接收

Satellite TV Signal: Reception

Satellite TV Signal: Multi-switch Distribution

Satellite TV Signal: aCSS Distribution

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