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Old July 30th 07, 05:51 PM posted to rec.radio.amateur.homebrew
Tim Wescott Tim Wescott is offline
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First recorded activity by RadioBanter: Jul 2006
Posts: 202
Default HF finals from PC monitor boards?

wrote:
In the vacuum tube world,
several types of TV line finals
are reused as HF PA FINALS.



- WHAT ABOUT CRT-TYPE PC MONITORS? -



Are there solid state components there
that could do say 5 to 30W (in) at HF?

Any other components
that would fit well
in a basic CW TX?



I'd be moderately surprised if that were not the case!

Hints, anyone?

Filippo
N1JPR/I2

Look at RF transistors from the surplus houses if you want to save
bucks. Up to 10MHz or so you can use MOSFETs designed for SMPS service
if you're careful with the gate drive circuit, and they'll be dirt cheap.

Brand spanking new transistors that'll handle a few watts at HF are a
couple of bucks each, you can get up to 10W out affordably -- why do you
want to muck around parting out consumer electronics of uncertain
provenance?

--

Tim Wescott
Wescott Design Services
http://www.wescottdesign.com

Do you need to implement control loops in software?
"Applied Control Theory for Embedded Systems" gives you just what it says.
See details at http://www.wescottdesign.com/actfes/actfes.html