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any idea about tv pattern generator project by 555

any idea about tv pattern generator project by 555

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#1 21659999 21 Oct 2011 01:01

Rahul Dev Rahul Dev

Anonymous

Post #1
21659999 21 Oct 2011 01:01

Use this area for your question body
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#2 21660000 21 Oct 2011 05:49

Siraj A Siraj A

Anonymous

Post #2
21660000 21 Oct 2011 05:49

Explain your Requirement Clearly , So that we can help You out.
#3 21660001 21 Oct 2011 05:50

DAVID CUTHBERT DAVID CUTHBERT

Anonymous

Post #3
21660001 21 Oct 2011 05:50

The 555 is capable of producing pulses no shorter than 10 us. An NTSC or PAL horizontal line is about 60 us. So, a 555 cannot produce much detail, being able to toggle only a few times per horizontal line.

You might try using a 74122 type multivibrator IC.
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