[sdiy-interim] first commercial video module?

[Roy J. Tellason]

On Tuesday 27 March 2007 20:03, Paul Perry wrote:
> Back in the Good Old Days, one converted a TV to a crap
> oscilloscope thusly:
>
> Take a line out from the horizonal scan.
> Take a line out from the vertical scan.

I always wondered how they did that without messing up the high voltage,  
which is typically derived from the horizontal sweep...

-- 
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space,  a critter that can
be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James 
M Dakin

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