[Amps] SB-200 Problem

[Richard]

>Rich says:
>
>>EUR  the sticky wicket is that the c. 100MHz energy never sees the 50? load 
>>because the tank is a low-pass filter config.
>
>I wouldn't say 'never', but it's certainly a much modified impedance. 

€  What's the XL of the typical HF tank L at 100MHz?  What is the XC of 
the typical HF Load-C at 100MHz?

>The filter
>effect won't be that much of course, since it's only two octaves up. The load
>could be useful in helping stability at the fundamental, though. I seem to
>remember  that when I used 572Bs, the parasitic was lower than 100MHz - 
>about 80
>if I remember, but it was 35 years ago.
>
>73
>
>Peter G3RZP
>
>
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-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, 
www.vcnet.com/measures.  
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