[rescue] SOG converter
Curtis H. Wilbar Jr.
rescue at hawkmountain.net
Sun Apr 20 13:37:55 CDT 2003
I'm interested in the circuit if someone has a schematic...
(or a website link)
>Date: Sun, 20 Apr 2003 14:29:33 -0400
>Subject: Re: [rescue] SOG converter
>From: Dave McGuire <mcguire at neurotica.com>
>To: The Rescue List <rescue at sunhelp.org>
>On Sunday, April 20, 2003, at 10:58 AM, Jochen Kunz 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.)
> Are the values of the passive components in the LM1881 circuit
>dependent on the sync rates in use?
>>> 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.
> That's definitely cheap. The LM1881 has been around a while...ahh,
>Dave McGuire "She's a cheek pincher. I have scars."
>St. Petersburg, FL -Gary Nichols
>rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
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