Scanned Data Separator Appnotes

Allison ajp166 at bellatlantic.net
Thu Dec 15 14:22:48 CST 2005


>
>Subject: Re: Scanned Data Separator Appnotes
>   From: woodelf <bfranchuk at jetnet.ab.ca>
>   Date: Thu, 15 Dec 2005 12:55:39 -0700
>     To: General Discussion: On-Topic and Off-Topic Posts <cctalk at classiccmp.org>
>
>Roger Merchberger wrote:
>
>> Allison sent me the scans of the appnotes for the data separator / 
>> floppy interface circuits, and I have put them on the web for anyone 
>> who wants access to them.
>>
>> http://www.30below.com/~zmerch/classics/datasep/
>>
>Well I think one may have metastable problem with theTTL data seperators.
>You want a second flip/flop to buffer the edge detect flip/flop After 
>that the
>dog's hair color will stay black unless you have a poodle, and all will 
>be fine.

It was test and works well enough to find it self used on many PCs.

Was it the best, no, only ok.  Though it was 100x better than the 1771
internal data sep.

Allison



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