>
>
>> > Its sounds like you have found the an answer to what I thought was a
>> > imaginary problem if what you say is true and I dont doubt that it is then
>>
>>
>>I really didn't "find" anything. Anyone who works with high power
>>PA's and understands them already knows everything I said.
>
>but not to be found on ameritron amps
>
Indeed. Self-recognized amplifier "experts" seemingly can ill afford to
confess to a design error.
>> > I would hope these improvements would be on the very next series of
>> > Ameritron amps, the word would soon spread about the improvements. Market
>> > share would no doubt increase and Rich's customer base would dwindle. A
>> > simple kit could be devised for the adventurous ham or factory up grades
>> > could be done for minimal cost or free ala Ruger Arms. the debate would
>> > be moot and of no interest .
>>
>>
>>I'd wager any improvement would be publicized by a certain
>>individual as a "step backwards" because it isn't the 1930's
>>technology he promotes.
>
>A moot point till the improvements are seen The least troublesome ameritron
>among owners seems to be the AL811 pretty close to 1930 technology
>
good point
>>The reason the "debate" rages on is because some people make it
>>a religious issue, rather than good science. You won't see many
>>engineers arguing basics, because they all know how to measure
>>things and apply circuit theory correctly.
>
>>You can say what you will, but in the last couple of years, Rich has been
>>the only one here who has been able to explain the fundamental problem with
>>the TL-922 -- lack of parasitic suppression. I can also tell you from
>>first-hand experience with well over a dozen formerly unruly TL-922s sent
>>to me for repair and modification, plus two of my own TL-922s that used to
>>eat bandswitches, that his suppressers have "tamed the beast." My judgment
>>as a BSEE, MSEE, and soon-to-be Ph.D., is that his analysis is sound and
>>well thought-out. Additionally, the implementation of his "solution" on
>>the 14+ TL-922s that I have worked on would further attest to the validity
>>of his analysis.
>
>apparently Mr Kesslers degrees are invalid and it is a religious issue
>with him
>
[chortle]
>>Everyone, from Kenwood to ETO to Ameritron....is stupid. The only
>>person who really understands what he is doing is the guy who sits
>>at home....and who has never designed a commercially
>>manufactured HFPA in his life for anyone.
>
>I cant vouch for the stupidity or intelligence of kenwood to ETO to
>Ameritron or what Rich does or doesn't do at home but as long as
>manufacturers keep doing things like putting 3-500 in PC board sockets
>instead of tube sockets, building junk power supplies, using cheaply made
>parts from front to back and then selling it all at a premium prices they
>will be suspect with the consumer. ....
The Ameritron 1000pF (Xc = -j88-ohms at 1.8MHz) high voltage RF
bypass-capacitor deserves mention.
cheers, Dave
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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