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AD7441 common mode chocke necessary on HDMI input?

Question asked by gelke on Mar 17, 2011
Latest reply on Mar 21, 2011 by gelke

Hello

We are using the HDMI input of the AD7441. We are noticing that your reference design does not show a common mode chocke on the HDMI RXA inputs.

 

When I look at the reference schematics of other IC manufacturers, I see a DLW21SN900HQ2 common common mode chocke on the HDMI RXA inputs.

 

What is the position of AD?

1.) Common mode chocke is not necessary

2.) Common mode chocke would violate reference design

3.) Common mode chocke is optional

4.) Others ...?

 

Thanks for your answer.

 

HansG.

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