On Jul 17, 2006, at 7:21 AM, Gudguyham@aol.com wrote:
>
>> In a message dated 7/17/2006 8:46:54 A.M. Eastern Standard Time,
>> cherokeehillfarm@earthlink.net writes:
>>
>> The above data is from the AL 80B. I wonder how they manage to
>> measure
>> their RF power output at 1 KW. There are others that seem to
>> rate the output
>> from the modern tube much the same way. I never questioned my
>> results because
>> they were more or less identical to the above data. Interesting
>> to note the
>> 10 second warm up time for this instant heating tube. I'll be
>> these guys
>> have some spec sheets that I can't seem to obtain.
>>
>> 73 and Happy DXing,
>>
>> Mike
>>
>> W2AJI
>
>
>
> Mike, Assuming in all cases only 100 watts is available for driving
> power,
> one could drive an AL-80 to a KW output, but with the same 100
> watts with an
> SB-220 you will only see a max. of about 1300 watts.
That's because to obtain 1000w from a 3-500Z using a 3kV PS, the
tube must be driven into the saturation / non-linear region.
To obtain 1000w of linear output from a 3-500Z, one needs a 4kV PS.
...
R L MEASURES, AG6K. 805-386-3734
r@somis.org
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|