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Technology Stocks : Intel Corporation (INTC)

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To: Jim McMannis who wrote (41652)	12/7/1997 8:04:00 PM
From: Barry A. Watzman	of 186894

You do not necessarily need a different monitor to do interlace vs. sequential scan video displays. It is a very simple matter of the relationship between the Horiz and vert scan rates. Take broadcast TV: at 60 Hz vertical and 15,750 horiz, you get interlaced scanning with 262.5 lines per field (even/odd), and a 30Hz frame (complete 525 line picture) rate. If you just shift the horizontal frequency to 15,780 hz, you will get a non-interlaced picture from the same hardware (but with a reduced vertical resolution, because the frame will now have only 263 lines instead of 525). The parameters of the display are vertical scan rate ranges, horizontal scan rate ranges and video channel frequency response (dot clock rate with regard to digital systems). With some range in these parameters, you can do quite a bit of different things with the same hardware.

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