[SI-LIST] Routing diff pair HDMI signals at 85 Ohms as opposed to 100 Ohms reduces radiation?
- From: miner_tom Cipollone <tom_cip_11551@xxxxxxxxxxx>
- To: "si-list@xxxxxxxxxxxxx" <si-list@xxxxxxxxxxxxx>
- Date: Mon, 17 Dec 2012 00:19:24 +0000
I was told recently that in order to help reduce radiated emissions in HDMI
signals, routed from a PCB to an HDMI connector, that it was better to route
the signals at 85 Ohms differential as opposed to 100 Ohms differential.
The contention was that with added connector L/C the overall average impedance
normalized closer to 100 Ohms.
Is there any credence to this? Is there any research material that agrees with
this?
(Hi Nazish)
Thank You
Tom
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