[Elecraft] Low SSB drive on K2

Rich McCabe [email protected]
Sun Dec 14 12:44:00 2003


Tom,

The meter I am using is PEP and I have it in that mode. Comparing the K2 to
my Pegasus, I get only 10-15 watts on the K2 and 70-80 doing the same "Hello
Radio" on the Peg.

So this tells me the K2 is not operating as it should.

Thanks and 73,

Rich
kd0zv


----- Original Message ----- 
From: "Tom Hammond" <[email protected]>
To: "Rich McCabe" <[email protected]>; <[email protected]>
Sent: Sunday, December 14, 2003 11:07 AM
Subject: Re: [Elecraft] Low SSB drive on K2


> Rich:
>
> >But still it does not drive well even at SSBA setting 3. A normal "hello
> >radio" might get between 10 and 15 real watts on the external meter while
> >the internal shows between 70 and 100. Definitly not 15.
>
> This is due to the ballistics of analog meters... the 'swing' of the meter
> needle is (more or less) AVERAGED by the damping of the meter itself.
> Unless the meter includes PEP metering, it's very normal for the meter to
> indicate a SIGNIFICANTLY LOWER level when it's being driven by SSB voice
> than CW.
>
> >In CW the meters are similar. If anything the external shows slightly
> >higher. But it is hard to be exact since this K2 has the normal power out
> >fluctuation where the output jumps around !!
>
> This supports the comments made above.
>
> Sounds like you're in good shape.
>
> 73,
>
> Tom   N0SS
>
>
>
>