[AMPS] Re:YC240/YC299

[Rich Measures]

>
>	Rich says
>
>	>> Interelectrode Capacitance est,CIN-17.6 pf,Count-0.08pf,
>	>>Cgp-9.7pf.????????????????????????????
>	>>
>	>>That Cout looks very wrong. Cgp in series with Cin gives a  Cout
>of >6.25pF.
>	>>
>	>For g-g config. it looks fairly typical.  
>
>	How come Rich?  

Because on recent, official, specifications sheets, some bozo has been 
switching the feedback C with the output C.  

>If Cgp is 9.7pF, and the grid is grounded, then Cp
>-ground = C plate - grid = 9.7pF = Cout. (plus strays from plate to ground)
>
Indeed..

Cheers, Peter


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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