Hi everyone,
thanks for the replies so far.
No the spurious we see are not due to overloading of the spectrum
analyser. They are really there! We saw them on 30, 12 and 10m, the
other bands were a lot 'cleaner'.
We (ON7KZ and I) have no time to get into it in the first few days but
the file http://www.qslnet.de/member/la3za/K2/BpfDL7MAJ.pdf seems pretty
helpful.
More info to follow here or on my homepage.
Any hints or tips are still welcome!
[EMAIL PROTECTED] wrote:
In a message dated 25/12/06 10:53:49 GMT Standard Time,
[EMAIL PROTECTED] writes:
1. when looking at the transmitted signal using a spectrum analyser,
the signal didn't seem as clean as we liked it. We didn't have
time (it was the day before X-mas!) to really start counting the
dB's, but on 30, 12 and 10 m we saw some signals around the main
signal. Is there any chance we can get these bands 'cleaner' by
further tweaking the filters?
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Hi Jurgen,
Are you 100% sure that the spurii you are seeing are just not due to
you overloading the input of the spectrum analyser?
This is a common cause of apparent excessive spurii!
Merry Christmas to all,
Bob, G3VVT
--
73
Jurgen Geldhof
ON5MF
[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
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my site: www.on5mf.be <http://www.ktk.be>
our club: www.ktk.be <http://www.ktk.be>
the Belgian Amateur Radio Society: www.uba.be <http://www.uba.be>
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