[Amps] TenTec+Nichrome

[2]

>I took your statement:
>
> >>>..... Nacherally, this meant the suppressors were doing their job.
>
>to mean, 'they were suppressing parasitics....'.

**  They present a low Rp to the anode at vhf.
>
>Why does a High Q suppressor, in that context, not behave in the same
>way as a low Q suppressor if that High Q suppressor has inductance
>and resistance that are the same as the inductance and resistance of
>the low Q suppressor that is "doing it's job".

**  A high Q suppressor shifts the dissipative burden onto R-sup that a 
L-sup made with resistance-wire would have have otherwise dissipated.  In 
other words, what is not dissipated in L-sup must be dissipated in R-sup 
in order to obtain the same reduction in vhf gain.    
>
>behave in the same way = "get quite hot at 29MHz".
>
>The Low Q suppressors are moonlighting?
>
**  in order to be lossy at vhf, a suppressor must be somewhat lossy at 
29MHz.

have phun, Bob


----------------------
>
>-------------------
>
>2 wrote:
>> 
>>>Naturally, the higher reactance results in a more intense
>>>reactive field leading to greater I and greater I^2R.
>>>
>> 
>> **  correct
>> 
>> 
>>>Why doesn't the same thing happen with the same L as Hi-Q
>>>having the same R in parallel.
>>>
>> 
>> **  I do not understand the question.  Can you phrase it a bit more 
>> determinately?
>> 
>> 
>>>3 marks for the correct answer...
>>>
>>>-bob
>>>ah7i
>>>
>>>
>>>2 wrote:
>>>
>>>>>Hi AMPS
>>>>>
>>>>>Ten Tec has released their new 2 X 4cx800 amp, the Titan 3.
>>>>>You can see a good picture on their web page. You can clearly see a 
>>>>>Nichrome style suppressor as per Rich's web page instructions. It looks 
>>>>>similar to the one in the Emtron amplifier. Besides this, the layout may  
>>>>>be of interest.
>>>>
>>>>
>>>>**  After the October 1988 article on improved parasitic-suppression 
>>>>appeared in *QST*, Ten-Tec tried low VHF-Q suppressors but they abandoned 
>>>>the idea after they found such suppressors get quite hot at 29MHz on RTTY 
>>>>mode.  Nacherally, this meant the suppressors were doing their job.  
>>>>
>>>>cheers, Greg
>>>>
>>>>-  R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K, 
>>>>www.vcnet.com/measures.  
>>>>end
>>>>
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>>>>
>>>
>>>
>>>
>>>_______________________________________________
>>>Amps mailing list
>>>Amps at contesting.com
>>>http://lists.contesting.com/mailman/listinfo/amps
>>>
>> 
>> 
>> 
>> -  R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K, 
>> www.vcnet.com/measures.  
>> end
>> 
>> 
>
>
>
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>


-  R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K, 
www.vcnet.com/measures.  
end