[AMPS] parasitic suppressors

[Rich Measures]

>Looking at the N7WS figures,  the thing that strikes me is the way the
>shunt resistance is increasing on the nichrome resisitors with
>frequency. ........snip........
>
>On a different tack, anyone any experience with 4CX1000A's (at HF) and
>parasitics?
>
It might be a good idea to provide a low L path between the grid terminal 
on the socket, the grid termination R and RF-ground.  The reason:   the 
tube has feedback C between the anode and the grid. A low Z path between 
the grid and RF-ground helps reduce the amount of VHF fed back to the 
grid.  
Rich---

R. L. Measures, 805-386-3734, AG6K   


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