James Colville wrote:
> You need the flywheel effect that a C-L-C tank circuit can provide. A broad
> band transformer is not the answer. This was just discussed here at length not
> long ago.
>
Doesn't the Alpha 76 use the broad band transformer along with a bank of
resistors to present the proper load?
73
Roger (K8RI)
> 73
> Jim W7RY
>
>
>
>
> On Sun, Mar 14, 2010 at 2:58 PM, ZL2AAA <zl2aaa@paradise.net.nz> wrote:
>
>
>> I think you will find it's nearer 35ohms.Morrie
>> ----- Original Message -----
>> From: "Lee Buller" <k0wa@swbell.net>
>> To: <amps@contesting.com>
>> Sent: Monday, March 15, 2010 9:30 AM
>> Subject: [Amps] GI7B Question - Input Matching
>>
>>
>>
>>> I have been reading about the GI-7B Russian made tube. It seems that the
>>> input impedance of two tubes is around 100 ohms. Could you not just use
>>>
>> a
>>
>>> 2:1 transformer to make a match from 50 ohms to 100 ohms? What am I
>>> missing here.
>>>
>>> Lee - K0WA
>>>
>>> Ham Radio Operators: Kansas QSO Party is August 28-29, 2010. See
>>> www.ksqsoparty.org for details
>>>
>>> In our day and age it seems that Common Sense is in short supply. If you
>>> don't have any Common Sense - get some Common Sense and use it. If you
>>> can't find any Common Sense, ask for help from somebody who has some
>>> Common Sense. Is Common Sense divine?
>>>
>>> Common Sense is the image of the Creator expressing revealed truth in my
>>> mind. - J. Wolf
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>>>
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