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Date Posted: 04:49:20 07/12/02 Fri
Author: Potter
Subject: Re: To Jain, Sakman!
In reply to: MagicFly 's message, "To Jain, Sakman!" on 01:56:30 07/12/02 Fri

Good work!
You've certainly been busy producing this combination of all things good like maxipic idea. Why 16F628 - for extra program memory perhaps?. The code will be another challenge considering the number of scrambling schemes mentioned in this forum.
The '3chip' term may need to be modified though :)


>Jain had an idea a few months ago ...
>
>>After working with 3 chip for a while I am thinking
>to >some major improvements that could be considered
>for this >circuit.
>>First, what somebody already said (I guess one or two
>days >ago), why not considering a code that leaves the
>>signal "as is" when the channel is not scrambled
>(letting >signal just pass to the output without
>interferring with >it).
>>Second, to look for an op-amp that doesn't changes DC
>>level (maybe even having an 'enable' pin), and that
>could >be used to transfer the signal to the output
>without using >capacitors (switching between inverting
>and non inverting >inputs might be done at the input
>-- unless there is an >suitable amplifier with two,
>inverting and non inverting, >outputs). 733 would be
>good if the output were not DC >shifted... Schematic
>would become a litle more expensive, >but when it
>comes to quality...
>>Third, maybe the original idea of not shifting the
>>original blanking portion of the signal, but
>replacing it, >could also be reconsidered, with all
>the experience we >have now, related to the way the
>circuit works.
>>I hope to have answers from you, those that have
>worked >with 3 chip much more than me, and that could
>post their >ideas about my proposal.
>>Jain
>
>My circuit is ready for use. Any comment?
>
>http://groups.yahoo.com/group/3chip/files/MagicFly/Magi
>cfly.gif

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Replies:

  • Re: To Jain, Sakman! -- sakman, 16:11:59 07/12/02 Fri
  • Re: To Jain, Sakman! -- MagicFly, 07:41:59 07/15/02 Mon
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