[DM36x IPNC/EVM] - A query about the capacitance

Justin_Liu

Intellectual 260 points

Dear All:

I compared the schematics between DM36x IPNC and EVM, and there are the pictures and question as below.

DM36x IPNC:

IPNC’s circuit on TVOUT pin.

DM36x EVM:

EVM’s circuit on TVOUT pin.

Question:

On IPNC, why the C10 need to be changed from 270pF to 100pF?

Thanks.

Best Regards,

Justin

over 12 years ago

0 Ivan Garcia over 12 years ago

TI__Genius 9775 points

Justin,

I've checked with our video expert. This cap is part of a reconstruction filter, which does not appear to be critical, but can actually help improve image quality on some low-end monitors that don't have an anti-alias filter on their input. Either value should be ok.

0 Justin_Liu over 12 years ago in reply to Ivan Garcia

Intellectual 260 points

Dear Ivan:

Thanks for your reply.

I will pass the answer to our customer.

Best Regards,

Justin

Processors

Processors forum

[DM36x IPNC/EVM] - A query about the capacitance