Path: utzoo!censor!comspec!defran!domenic
From: domenic@defran.UUCP (Domenic DeFrancesco)
Newsgroups: sci.electronics
Subject: Re: Changing video to VD, HD
Message-ID: <domenic.0045@defran.UUCP>
Date: 26 Aug 90 03:35:14 GMT
References: <1702@oucsace.cs.OHIOU.EDU>
Distribution: world
Lines: 23

>In article <1702@oucsace.cs.OHIOU.EDU>
>mcorbin@oucsace.cs.OHIOU.EDU (Max Corbin) writes:
>
>   I have several crt boards and tubes at home and I
>   would like to use them as video monitors.
>   The problem is that they us Vertical sync,
>   Horizontal sync, and composite video inputs.
>   
>   Question -- Does anyone out there have a circuit
>   that will get these signals out of a NSTC video 
>   signal?

Consider using a LM1881 Video Sync Separator IC from National Semiconductor.
Its simple to use.  This 8 pin IC, two caps, and one resistor might be
all that you need.  See National's "Special Purpose Linear Devices"
Databook for full details.

>-- 
>mcorbin@oucsace.cs.ohiou.edu         +-----+---\ +-----+
>CS559@ouaccvmb.bitnet            | | | | -- >|  ---+
>"Flat possums never DIE!" -RoADkIll       +-+-+-+---/ +-----+

Domenic DeFrancesco