Transcript Is coax dead? 4K Single link

Hollywood Post Alliance Technology Retreat
Steve Lampen
Multimedia Technology Manager
Product Line Manager – Entertainment
Belden
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Give him a microphone.
What is the subject of this paper?
What is the vote? He’s my Bookie.
It is clear that significant improvements in cable
performance will take 5 years to accomplish
• The start of that process is to look and test our
existing cable to 12 GHz (our current limit)
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This means looking statistically at our existing cables.
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30 factory batches of each cable
1 piece from each batch
Testing to 12 GHz
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Attenuation
Return Loss
Expected distance formula
 -40 dB @ ½ clock (Nyquist)
v
-40 dB @ ½ clock
-40 dB @ ½ clock
-40 dB @ ½ clock
QUAD LINK
DUAL LINK
SINGLE LINK
3G x 4 = 12 GHz
6 GHz x 2 = 12 GHz
12 GHz
Existing Products
Existing Product
PROPOSED
CABLE
Feet
Metres
Feet
Metres
Feet
Metres
179DT
162
49`
111
34
73
22
1855A
299
91
138
42
110
34
1505A
420
128
286
87
192
59
1694A
512
156
347
106
227
69
1794A
641
195
433
132
286
87
7731A
785
239
524
160
347
106
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No new part numbers.
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Use the cables you already have.
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Just be aware of the new distances numbers.
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Based on the new SMPTE formula (-40 dB @ ½ clock)
Cables originally designed for SD
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270 MHz (tested to 400 MHz)
Then HD (1.5 GHz) tested to 2.25 GHz
Then 3G (3 GHz) tested to 4.5 GHz
Are now running 12 GHz/4K
From Our Friends at MATROX Mindspeed
12 GHz/4K. 75m 1694A EQ’d. reclocked
[email protected]