[rescue] SOG converter
mcguire at neurotica.com
Sun Apr 20 13:29:33 CDT 2003
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
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