[rescue] SOG converter

Jochen Kunz jkunz at unixag-kl.fh-kl.de
Sun Apr 20 09:58:28 CDT 2003

On 2003.04.20 05:07 Dave McGuire wrote:

>> Perhaps we could do more research and throw together a circuit for 
>> list members?
>   This could be done without too much effort.  Several manufacturers, 
> notably National Semiconductor and Philips, make single-chip sync 
> separators which are commonly used in TVs and monitors and such.  
> I've never designed a circuit around one, but I can't imagine them 
> being too difficult.
A friend build a sync separator with the LM1881. He implemented a 
shematic from an application note and it Just Worked (C) (R) (TM). 
There are only some Cs and Rs needed. (I think I have that PDF around 
somewhere too.)

>   However, with one of those chips probably running at least $10 or 
> so, I'd say $50 isn't all that bad.
The LM1881 is about 2,-EUR in .de.


Homepage: http://www.unixag-kl.fh-kl.de/~jkunz

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