** Without enough signal to produce grid-current, the input Z is sure to
higher than with normal grid-current flowing. Murphy was right: "Almost
nothing is as simple as it first looks".
>I just figured out what you mean. Input z with and
>without grid current..I'm not sure what the net effect
>would be.
>
>R. Measures wrote:
>
>>** The sticky wicket is that the input Z of a g-g amp is not even close
>>to being symmetrical.
>>
>>
>>
>>>Anybody tried putting an "unun" between the filament
>>>choke and the input network of a GG amp. If the
>>>input Z could be raised up to 200 ohms it would
>>>make the input filter-tuner a bit easier to manage...
>>>
>>>Dennis W7JX
>>>
>>>
>>>_______________________________________________
>>>Amps mailing list
>>>Amps@contesting.com
>>>http://lists.contesting.com/mailman/listinfo/amps
>>>
>>>
>>>
>>
>>
>>
>>
>
>
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