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Re: [Amps] IM distortion and such

To: craxd1@verizon.net
Subject: Re: [Amps] IM distortion and such
From: R L Measures <r@somis.org>
Date: Tue, 27 Jun 2006 18:35:41 -0700
List-post: <mailto:amps@contesting.com>
On Jun 27, 2006, at 1:37 PM, Will Matney wrote:

> It's in the PDF file that was posted by someone earlier. There was  
> nothing in it though about class AB RF amp operation.

Will -- The stated ZSAC is 65mA.  With Class B, ZSAC is zero mA.   
With Class AB there's some ZSAC, and with AB2 it means there's ZSAC  
as well as grid-current during signal conditions.  Whoever wrote this  
sheet did know his subject.
>
> http://www.mif.pg.gda.pl/homepages/frank/sheets/088/3/3-500Z.pdf
>
> Best,
>
> Will
>
> *********** REPLY SEPARATOR  ***********
>
> On 6/27/06 at 1:31 PM R L Measures wrote:
>
>> On Jun 27, 2006, at 6:51 AM, Will Matney wrote:
>>
>>> Rich,
>>>
>>> It was the same thing as they printed it I was refering, or to me
>>> it was as I wrote it. It was Eimacs maximum rating at 1 KW input, G-
>>> G, class B RF amp showing it's minimum distortion, or the way they
>>> have it listed.
>>
>> I have seen no info from Eimac on Class B for the 3-500Z.
>>>
>>> Best,
>>>
>>> Will
>>>
>>> *********** REPLY SEPARATOR  ***********
>>>
>>> On 6/27/06 at 6:19 AM R L Measures wrote:
>>>
>>>> On Jun 27, 2006, at 2:46 AM, Tom W8JI wrote:
>>>>
>>>>>> They can be used on up in current, say for pulse circuits
>>>>>> and RF heating. The 400 mA is the maximum plate current at
>>>>>> single tone for minimum distortion. That's for 600 watts
>>>>>> PEP useful power each. That's listed in the tables on page
>>>>>> 2 or 3 under a class B RF amp.
>>>>>
>>>>> Will,
>>>>>
>>>>> Where did you get the idea 400mA is a "minimum distortion"
>>>>> condition?
>>>>
>>>> Good point, Tom.  Will should have said something like:  for  
>>>> minimal
>>>> distortion, the max rated anode-I is 400mA.
>>>>>
>>>>> 73 Tom
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Amps mailing list
>>>>> Amps@contesting.com
>>>>> http://lists.contesting.com/mailman/listinfo/amps
>>>>>
>>>>
>>>> R L MEASURES, AG6K. 805-386-3734
>>>> r@somis.org
>>>
>>>
>>>
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>>
>>
>> R L MEASURES, AG6K. 805-386-3734
>> r@somis.org
>
>
>
>

R L MEASURES, AG6K. 805-386-3734
r@somis.org



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