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Hi,
We are using LMH0387 on our custom board. In our tests, we are trying to capture the HDSDI image that we produced using the LMH0387 again with the LMH0387.
Even though we performed registers updates, output signals did not change. When we use LMH0387 RX with LMH0387 TX, we see flicker in the image. In out tests, we are using 75Ohm RG179 Cable.
In other tests, we are using LMH0397. We have not problem with LMH0397 or PHABRIX. What we can do for LMH0387. Our schematic and Layout design same with Eval board SD387EVK.
We tried in https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1185737/lmh0387-regarding-value-of-rref?tisearch=e2e-sitesearch&keymatch=LMH0387#. but there was not change.
Test Steps
LMH0387 TX => LMH0397 RX (PASS)
LMH0387 TX => PHABRIX RX (PASS)
LMH0387 TX => LMH0387 RX (FAILED)
PHABRIX TX => LMH0387 RX (PASS)
LMH0397 TX => LMH0387 RX (PASS)
LMH0387 - HDSDI Signal Output Characteristic
LMH0397 - HDSDI Signal Output Characteristic
PHABRIX - HDSDI Signal Output Characteristic
