US Digital Transition - Blonder Tongue Laboratories Inc.
US Digital Transition - Blonder Tongue Laboratories Inc.
US Digital Transition - Blonder Tongue Laboratories Inc.
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6. Satellite Solutions (Receive, Decode, Modulate, & Distribute)<br />
6.2 Receiving “encrypted” satellite programs, and Modulating into <strong>Digital</strong> CATV<br />
2<br />
MDU<br />
QPSK<br />
or<br />
8PSK<br />
Headend<br />
NTSC<br />
a<br />
TV: Analog (Analog Tuner Only)<br />
Display: ONLY the Analog<br />
CATV programs<br />
3<br />
4<br />
IRD<br />
ASI<br />
(270 Mbps)<br />
1<br />
<strong>Digital</strong><br />
CATV<br />
Analog<br />
CATV<br />
NTSC<br />
Analog CATV<br />
&<br />
<strong>Digital</strong> CATV<br />
5<br />
QAM<br />
Tuner<br />
NTSC<br />
QAM<br />
NTSC<br />
b<br />
c<br />
TV: Analog (Analog Tuner Only)<br />
Display: BOTH the Analog &<br />
the <strong>Digital</strong> CATV programs,<br />
but not in Hi Def quality<br />
TV: <strong>Digital</strong>-Ready (Analog + ATSC Tuners)<br />
Display: ONLY the Analog<br />
CATV programs<br />
QAM<br />
Coaxial<br />
Distribution<br />
Network<br />
QAM<br />
Tuner<br />
NTSC<br />
QAM<br />
d<br />
TV: <strong>Digital</strong>-Ready (Analog + ATSC Tuners)<br />
Display: BOTH the Analog &<br />
the <strong>Digital</strong> CATV programs,<br />
but not in Hi Def quality<br />
1<br />
An existing Analog HeadEnd & Distribution Network<br />
NTSC<br />
QAM<br />
e<br />
TV: <strong>Digital</strong> (Analog + ATSC + QAM Tuners)<br />
Display: BOTH the Analog &<br />
the <strong>Digital</strong> CATV programs,<br />
in Hi Def quality<br />
2<br />
Encrypted [1] feed from satellite provider in QPSk or 8PSK formats<br />
3<br />
Integrated Receiver Decoder (IRD) with ASI output by others/satellite provider<br />
4<br />
5<br />
ASI-to-QAM Modulator (<strong>Blonder</strong> <strong>Tongue</strong>: AQM; stock 6271A)<br />
QAM-to-Analog tuner (SetTop Box) by others<br />
[1] ENCRYPTED means that the program is encrypted by the<br />
satellite provider. The IRD performs the de-coding, therefore,<br />
no additional settop boxes are necessary at the TV set.<br />
<strong>Blonder</strong> <strong>Tongue</strong> <strong>Laboratories</strong>, <strong>Inc</strong>.<br />
1.800.523.6049 www.blondertongue.com<br />
Slide # 17
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