[AMRadio] re: 4-1000 or 813 AM transmitter information needed

[Steve Cloutier, 978-597-3311]

Hi Ron,

That's right - you can run a killowatt input up in Canada!  If you really 
want to make a splash on the band (with the highest power output possible 
for your KW input), want to have superior audio and want to spend small 
money, build a class E rig.  It will be simpler than your tube transmitter 
and will run more power because of the high efficiency.

Check out:  http://www.classeradio.com

I will lend guidance and assistance if you decide to go the class E 
route.  You will have the most power class E Amateur transmitter in the 
world, as here in the 'States, we're limited to about 350 watts.

By the way, you can do 1kw with 16 MOSFETs (each MOSFET costs $2.50!) in 
the RF amplifier and 4 MOSFETs in the modulator.  Audio wise, no one will 
be able to touch you, and your power output for 1KW input will be around 
900 watts!

Regards,

Steve WA1QIX

At 12:03 AM 2/7/2003 -0600, you wrote:
>Hi everyone.  I need information on building a good AM kilowatt rig using 
>either two 4-1000A tubes or two 813's as finals.  I have several parts 
>(including those tubes), but I need some advise, plans, schematics, etc. 
>on such a project.  I am considering using 813's or 810's as 
>modulators.  Links to a good website would help.
>     Thanks in advance for your assistance.  from Ron VE4SR
>
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