[AMPS] Feedback path 3-500Z

[Tom Rauch]

Measures Wrote:

> When driven, a SB-220's grid potential is typically under 6v and the grid
> current is c. 170mA.  Thus, the grid looks like 30-something ohms.  .  In
> the Rauchian world,  grid R is infinite.  

Nice try at clouding the issue. No cigar though.

Grid resistance is very high when the amp isn't being driven, and it 
is very high for parts of the RF cycle when there is no grid current.

 
73, Tom W8JI
w8ji@contesting.com

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