[Amps] Re: matching network

[Ian White, G3SEK]

R. Measures wrote:
>>>**  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?

Couldn't say... you'd have to do a point-by-point analysis using the 
characteristic curves.


-- 
73 from Ian G3SEK         'In Practice' columnist for RadCom (RSGB)
                            Editor, 'The VHF/UHF DX Book'
http://www.ifwtech.co.uk/g3sek