[Amps] Re: matching network

[R.Measures]

>R. Measures wrote:
>>>>>What Rich says is only true if both grids are connected directly to
>>>>>chassis (and even then, the current division between g1 and g2 will
>>>>>depend on the mu-g1g2 value for that particular tube).
>>>>>
>>>>
>>>>**  True, but g1-g2 amplification is typically 4 to 5.
>>>>
>>>Except when it's 13, for a 4CX350A.
>>
>>**  Ian --  How does one convert this figure into a determination of 
>>how grid current divides between the grid and the screen during g-g 
>>operation?
>
>
>Sorry, maybe what I said was misleading - I'm not sure if it's possible 
>to calculate Ig1/Ig2 in cathode-driven operation directly from mu-g1g2.
>
>They both result from the tube's internal tube construction, however, 
>which is why I believe that if one is high, the other will be too.
>
**  So if a tetrode with a g-/g2 amplification of 4 to 5 has c. 25% of 
total grid current flowing in the screen, a tube with a g/g2 
amplification of 13 might have c. 8% of the total grid-current flowing in 
the screen?