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Old 10-23-2003, 04:21 AM
Shanon Fernald
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Default I Need to Generate a NTSC Signal - Help!

I need info on how to generate a NTSC signal using VHDL (or verilog)
and a fpga.

I have been frantically looking all over the Internet but can't find a
single example. I am familiar with VHDL but not with NTSC at all.

Are there any good internet resources out there on NTSC or good books
you can recommend that don't require a PhD?

Any cores or examples in VHDL (or verilog) floating around out there?

Any tips at all?

Thanks so much!
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Old 10-23-2003, 05:27 AM
Allan Herriman
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Default Re: I Need to Generate a NTSC Signal - Help!

On 22 Oct 2003 19:21:24 -0700, [email protected] (Shanon Fernald)
wrote:

>I need info on how to generate a NTSC signal using VHDL (or verilog)
>and a fpga.
>
>I have been frantically looking all over the Internet but can't find a
>single example. I am familiar with VHDL but not with NTSC at all.
>
>Are there any good internet resources out there on NTSC or good books
>you can recommend that don't require a PhD?
>
>Any cores or examples in VHDL (or verilog) floating around out there?
>
>Any tips at all?
>
>Thanks so much!


Recommendation ITU-R BT.470-6, Conventional Television Systems

http://www.itu.int/rec/recommendatio...t=R-REC-BT.470
(You can download this for free once you've registered.)

You'll probably need a 14.31818 MHz clock (4 x the subcarrier
frequency).
You'll also need a DAC, but this may be as simple as a few resistors
if you don't need a good picture quality.

Regards,
Allan.
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