[Amps] CB amp directly coupled via cap to antenna

Bill, W6WRT dezrat1242 at yahoo.com
Thu Apr 8 15:49:42 PDT 2010


ORIGINAL MESSAGE:

On Thu, 08 Apr 2010 17:09:08 -0400, Ron Youvan
<ka4inm at tampabay.rr.com> wrote:

>   By adjusting the antenna length to be resonate at the exciter's frequency the antenna 
>is that "tank circuit," it's just lossy by the radiation resistance.  A variable coupling 
>capacitor is not necessary.

REPLY:

Upon further consideration, if the antenna impedance matched the
tube's plate load impedance, wouldn't the Q be just one? I think you
still need the simple LC tank circuit for the flywheel effect. 

73, Bill W6WRT


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