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<p>Hi all ,</p>
<p><br>
</p>
<p>just checked the low power output , 1st , to my surprise , there
is RF there without switching anyhting , so when using the anan in
10w mode , this SMA connector wich is left open delivers RF!<br>
</p>
<p>The spectrum is the same : -60dBc spurris. I think I have to
switch to the anan list cause I'm unhappy with the anan behaviour</p>
<p><br>
</p>
<p>73</p>
<p>Dom<br>
</p>
<br>
<div class="moz-cite-prefix">Le 06/08/2016 à 14:40, Helmut a écrit :<br>
</div>
<blockquote cite="mid:000001d1efdf$b887fb80$2997f280$@de"
type="cite">
<pre wrap="">***** High Performance Software Defined Radio Discussion List *****
</pre>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Ralph,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"
lang="EN-US">the most important question is: Can you detect
any significant
birdie in the mentioned offset or a drifting carrier on the
10 m band. Of
course we do have some spurs or harmonics (mostly outside
the ham bands) e.g.
of 25 MHz Ethernet controller Xtal etc. When you mix this
spectrum with 116 MHz
of your 2m transverter or even with another LO frequency of
96/106 Mhz for the
micro-wave bands you shouldn’t be surprised about some
‘strange’
carriers. When these carriers are dramatically drifting you
should look for a SMPS
device as causer.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"
lang="EN-US">Successful hunting!<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"
lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"
lang="EN-US">73, Helmut, DC6NY<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"
lang="EN-US"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Von:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
Hpsdr
[<a class="moz-txt-link-freetext" href="mailto:hpsdr-bounces@lists.openhpsdr.org">mailto:hpsdr-bounces@lists.openhpsdr.org</a>] <b>Im
Auftrag von </b>Ralph<br>
<b>Gesendet:</b> Samstag, 6. August 2016 13:00<br>
<b>An:</b> <a class="moz-txt-link-abbreviated" href="mailto:hpsdr@openhpsdr.org">hpsdr@openhpsdr.org</a><br>
<b>Betreff:</b> [hpsdr] ANAN-10 28MHz generated birdie<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">I
have had the same problem of a wide drifting birdie in
my 144MHz receiver.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">As
I use the ANAN-10 to drive 144MHz transverters from
28MHz this gives me the IF<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">to
use my DB6NT microwave transverters<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">(I
Have used various good quality 28-144MHz transverters
with the same result)<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black"> <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">It
appears almost immediately on switch on and is
noticable at the bottom end<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">of
144MHz which is my IF for Microwave bands. Drifting LF
from about 144.150<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">down.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">The
ANAN-10 I have was bought a few years back, direct
from Apache Labs India.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">and
noticed from the first time I used it it had this
Birdie. I thought it may have<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">been
picked up locally from some source or other, but When
Dom mentioned it<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">I
realised it was not just my set-up or local RF
environment.<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">73<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span
style="font-family:"Calibri","sans-serif";color:black">Ralph
G4ALY<o:p></o:p></span></p>
</div>
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