Sync Separator summary

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Article #6891

#6891

From: Mark Robinson (JO PhD)
Date: Tue, 15 Sep 1992 13:44

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Thanks to all who replied about my sync separator question. Nearly
every post told me to get an LM1881, and they seem reasonably priced
so that's the course I'll follow. Thanks also to Mika Iisakkila 
(iisakkil@vipunen.hut.fi) who suggested the following circuit for
the black level clamp:

MI>                ||100n
MI>   video in >---||--------o----> video out
MI>                ||        |
MI>                          |
MI>              ||220p    |-+
MI>  comp sync >-||--o---o-|   BS170
MI>from LM1881   ||  |   | |-+
MI>                 ---  |   |
MI>                 | | ---  |
MI>              4k7| | / \  |1N4148
MI>                 | | ---  |
MI>                 ---  |   |
MI>                  |   |   |
MI>                  +---o---o
MI>                          |
MI>                         -+-

Mark
--
_____________________________________________________________________
Multimedia Information Systems Lab | To err is human, to really screw
Dept. Of Electrical Engineering    | it up takes a co
University of Manchester           | Segmentation fault: core dumped
Dover St. Manchester. M13 9PL      |

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Message-ID: <6083@m1.cs.man.ac.uk>

Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!uknet!mucs!spec0.ee.man.ac.uk

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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!uknet!mucs!spec0.ee.man.ac.uk
From: mark-r@spec0.ee.man.ac.uk (Mark Robinson (JO PhD))
Newsgroups: sci.electronics
Subject: Sync Separator summary
Message-ID: <6083@m1.cs.man.ac.uk>
Date: 15 Sep 92 13:44:04 GMT
Sender: news@cs.man.ac.uk
Organization: Dept Electrical and Electronic Eng, Manchester University, UK
Lines: 31