I give up....
Carl
> At 08:52 AM 13/03/2010, Carl wrote:
>>Lots of things work Alek, there are enough poorly designed amps on the
>>market that prove that.
>>
>>I prefer to attack the problem; and not the symptom and lose a few hundred
>>watts on 10M to heat.
>
>
>
>
> That's gotta be the "Classic Line Of The Week" mate.
>
> I mean what is a parasitic suppressor? What is any parasitic suppressor?
> Is it not something that "attacks the symptom and not the problem"?
> Whether it is made of strap, copper, stainless steel, Nichrome, has Silver
> Mica capacitors, 100 Ohm resistors, 50 Ohm resistors or whatever, it is
> still a device which attacks "the symptom".
>
> Throughout the ages, it has been found that a number, if not all, of the
> methods listed above, are effective in reducing the symptom. None of them
> attack the problem.
>
> If you effectively attack "the problem", you would not need to use a
> parasitic suppressor at all. Are you suggesting that we can all design,
> and build our amplifiers in such a way that we do not need to use these
> devices?
>
> We know that certain tubes, depending on their construction and their
> electrical characteristics, are less prone to the problem than others. In
> those cases, the problem is solved and you can get away without a
> suppressor. Would you be brave enough to put a 3-500Z or 572B or 3-1000Z
> amplifier which has no parasitic suppressor/s onto the market? No, of
> course not. You would have to include suppressors in case that "symptom"
> ever reared its ugly head.
>
> Cheers and thanks,
> Alek.VK6APK
>
>
>
>
>
>
>
>>It also goes back to basics. Why do only a handful of untrained ham
>>hobbiests fall for the voodo while engineers from all corners of the
>>planet condemn it?? What commercial amp uses voodo suppressors? What tube
>>manufacturer champions them?
>>
>>Measures was banned from this reflector for his stand and obvious
>>completely wrong theories.
>>
>>Im not going to get in a long winded discourse on this, the feelings on
>>here run deep and Ive no desire to start it anew. Anything you might want
>>is in the archives going back to the 90's when I first joined. You will
>>find a long list of respected engineers represented.
>>
>>Carl
>>KM1H
>>
>>
>>>At 06:57 AM 13/03/2010, Carl wrote:
>>>>No offense Alek but the masses on here dont believe in voodo science as
>>>>they
>>>>do on the forum you just arrived from. You might want to search the
>>>>archives
>>>>on the subject.
>>>
>>>Ha ha. No offense taken Carl. You won't offend me in a hurry. Number 1,
>>>I'm married. Number 2, I live by the principle that if you strike a
>>>match, then don't cry to mummy (you say mommy) that the fire is too hot.
>>>I lit the match so I gotta take the flame.
>>>
>>>You are probably right about voodoo science but all that is quite
>>>irrelevant to me, because I know from my own experience, that they do
>>>actually work. I'm satisfied with that.
>>>
>>>>Larry, for a real suppressor that works get a Xicon 50 Ohm 5W MOX
>>>>resistor
>>>>and a pair of 100pf 500V silver micas for each suppressor from Mouser.
>>>>
>>>>Lay a resistor and the original (or a clone) in parallel. Connect a cap
>>>>between them at both ends. Wire it dead bug or on perf board.
>>>
>>>You said a pair of SM caps for each suppressor. Do you put the 2 caps in
>>>series to give you 50pF @ 1kV and then put that in parallel with the coil
>>>and resistor?
>>>
>>>If so, then I am interested enough to try it out on my Clipperton L which
>>>is also being done up. I just got a Ameritron plate choke in the mail
>>>this week so I'll be installing that next weekend, along with the .01uF
>>>at the base. I have a bundle of 50 Ohm, 5W MOF resistors and 100pF SM
>>>caps, so I will do up the suppressors as well.
>>>
>>>Cheers, Alek
>>>VK6APK
>>>
>>>
>>>>Carl
>>>>KM1H
>>>>
>>>>
>>>>----- Original Message -----
>>>>From: "Alek Petkovic" <vk6apk@bigpond.com>
>>>>To: "Larry" <w6nws@arrl.net>; "Amps" <amps@contesting.com>
>>>>Sent: Friday, March 12, 2010 4:57 PM
>>>>Subject: Re: [Amps] Clipperton-L parasitic suppressors
>>>>
>>>>
>>>> > G'day Larry,
>>>> >
>>>> > At the risk of offending the masses, don't worry what value they are.
>>>> > Just go to http://www.somis.org and scroll down to
>>>> > <http://www.somis.org/Price-Info.html>Price List--Information Sheet
>>>> > and order yourself a kit for 4x572B. Much simpler and much better.
>>>> >
>>>> > If you still wanna know the value of the original, they are as you
>>>> > said. In the circuit they are R6 and R7 and the parts list quotes
>>>> > them as being 100 Ohm, 2 Watts.
>>>> >
>>>> > Cheers, Alek
>>>> > VK6APK
>>>> >
>>>> > At 05:33 AM 13/03/2010, Larry wrote:
>>>> >>I have cleverly filed my Clipperton-L doc. I am hoping someone can
>>>> >>help. The parasitic
>>>> >>suppressor resistors have broken. I believe they are 100 ohm 2W
>>>> >>composition. Can
>>>> >>anyone confirm the value? I am not sure what caused the breakage at
>>>> >>this point.
>>>> >>
>>>> >>73, Larry W6NWS
>>>> >>_______________________________________________
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>>>> >>Amps@contesting.com
>>>> >>http://lists.contesting.com/mailman/listinfo/amps
>>>> >
>>>> >
>>>> > http://www.qrz.com/db/vk6apk
>>>> > http://www.qrz.com/db/vk6py
>>>> >
>>>> > _______________________________________________
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>>>>
>>>>_______________________________________________
>>>>Amps mailing list
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>>>
>>>
>>>http://www.qrz.com/db/vk6apk
>>>http://www.qrz.com/db/vk6py
>>>
>
>
> http://www.qrz.com/db/vk6apk
> http://www.qrz.com/db/vk6py
>
>
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