"I don't know of anyone that just
makes "standard" HVT's that you can then turn into a monitor power supply."
The obvious differences are the rated input voltage/current on the primary,
if it's tapped or not, nominal sweep frequency, nominal HV output, and
what taps/secondary windings come off of it.
Philips had a catalog for their parts at one time, with designs based on
the target market for the parts.
Since raster monitors share the horizontal deflection circuit with HV
generation, the current ratings of the flyback reflect the deflection
current requirements of the horizontal yoke. A 13" B&W TV has much less
deflection current than, say, a 64KHz 20" workstation display.
I've wondered why the HV transformers for vector games were so large.
Maybe it's improvements in insulation over the past 15 years, but the
HOTs in most computer montors are tiny in comparison.
Received on Wed Jun 9 18:54:41 1999
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