[Elecraft] K3: IF output buffer gain modification
Brett Howard
brett at livecomputers.com
Tue Sep 22 20:58:24 EDT 2009
Are there any thoughts as to the accuracy level in dBm in correlation
with this mod? As well as any sort of absolute accuracy specs on what
we expect to see with this box?
On Tue, 2009-09-22 at 16:58 -0700, Alan Bloom wrote:
> On Tue, 2009-09-22 at 19:08 -0400, amstel78 wrote:
>
> > So would it be advisable to wait for the P3 to come out before
> > performing this modification? If it's not really needed, then what's
> > the point? My antenna system isn't that great anyway...
>
> I need to do some more experimenting to get a better handle on this, but
> I think it just depends on conditions. With the K3 preamp off on a
> quiet band (e.g. VHF) you definitely want the mod. On 80 meters in the
> summertime it's not necessary. If you don't do the mod you might need
> to use the preamp more often than you otherwise would.
>
> There's no reason not to do the modification other than the hassle
> factor. The P3 automatically bypasses its own preamplifier if the
> signal starts to over-range.
>
> Alan N1AL
>
>
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