Cool little modulator

From: Tony Duell <ard_at_p850ug1.demon.co.uk>
Date: Thu Jun 5 13:32:16 2003

> boxes for VGA->NTSC... they're inexpensive now. An RGB to
> NTSC converter may more properly be called a "scan converter",
> "modulator" is typically the name given to NTSC -> RF over coax.

To me, a 'scan converter' has to convert the scanning rates -- say
between European and USA TV, or between VGA video and TV.

A box which converts TV-rate RGB video to an NTSC composite signal is an
'NTSC colour enocder', and I susepct is technically (at least in part) a
modulator [1].


[1] It amplitude- and phase- modulates the 3.58 colour subcarrier for one
thing...

-tony
Received on Thu Jun 05 2003 - 13:32:16 BST