[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)

-- Curt

>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>
>Content-Transfer-Encoding: 7bit
>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, 
>volume! :-)
>        -Dave
>Dave McGuire           "She's a cheek pincher.  I have scars."
>St. Petersburg, FL                          -Gary Nichols
>rescue list - http://www.sunhelp.org/mailman/listinfo/rescue

More information about the rescue mailing list