[Elecraft] K2 with 144Mhz transverter

[S55M]

Hy Eric!

Thanks for Your answer.
The measurment setup is :
VBW 100Hz
RBW 10kHz
Span 500KHz

Any ideas what went wrong????


Adi
----- Original Message ----- 
From: "Eric Swartz - WA6HHQ, Elecraft" <eric at elecraft.com>
To: "S55M" <s55m at siol.com>
Cc: "Elecraft" <elecraft at mailman.qth.net>
Sent: Thursday, March 10, 2005 6:53 PM
Subject: Re: [Elecraft] K2 with 144Mhz transverter


> Hi Adi,
>
> There must be something wrong with your K2 or measurement set up. As can
be seen
> from the phase noise plot on our web page (under radio comparisons) the K2
TX
> signal is better than -130 dBc when you get 10-20 kHz away from the
carrier.
> Also, what b/w and span were you using on your 8590 analyzer?
>
> On the receive side the XV and K2 pair are among the best out there. I do
not
> know what was different about his set up.
>
> 73, Eric
>
>
> S55M wrote:
> > OK...now I'm getting really angry HI HI :))...
> > First the transmitter (easy one)
> >
> > I made a measurment with my HP8590A of the transmitted signal from K2 to
> > transwerter (signal after the first buffer).
> > When i moove 100 KHz away from carier there is -73dBc of signal
remaining.
> > After a little bit of conversation with local gurus probably this not to
> > good number (compared dBc's of other same 1.st class rtx's are -90
> > to -100dBc)
> >