Re: Composite to TTL converter

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Article #19500

#19500

From: Ahola Jari
Date: Sun, 24 Jul 1988 14:37

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In article <2665@bgsuvax.UUCP>, bear@bgsuvax.UUCP (Michael D. Bear) writes:
> 
> 	I can imagine that this is a tired old subject, but all of the
> discussion that I have seen has been about color conversion.  I am looking
> for a sync splitter circuit that will decode a composite signal into 
> TTL levels suitable for connecting to a 15khz monochrome monitor (not PC
> compatible).   Any leads...


Simple solution: Get a LM1881 (National Semiconductor, couple of bucks),
		 add a resistor and a capasitor + Vcc and your composite
		 video: You get all syncs, even/odd frame information and
		 front/back porch information out of this little 8-pin
		 miracle.

-jja

-- 
Jari 'jja' Ahola	| Tampere University of Technology, CS dept.
Opiskelijankatu 16 A 12 | P.O. Box 527, 33101 Tampere, Finland
33720 Tampere 		| Tel (intl) 358 31 162708 (work)/358 31 174009 (home)
Finland. Puh. 931-174009| Net address: jja@tut (UUCP)  AHOLA@FINTUTA (BITNET)

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!att!pacbell!lll-tis!lll-winken!uunet!mcvax!enea!tut!jja

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!att!pacbell!lll-tis!lll-winken!uunet!mcvax!enea!tut!jja
From: jja@tut.fi (Ahola Jari)
Newsgroups: sci.electronics
Subject: Re: Composite to TTL converter
Keywords: composite ttl monitor
Message-ID: <4375@korppi.tut.fi>
Date: 24 Jul 88 14:37:13 GMT
References: <2665@bgsuvax.UUCP>
Organization: Tampere University of Technology, Finland
Lines: 21

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