[Premium-Rx] WJ8718 STD and IF out ?

Terry O'Laughlin watkins-johnson at terryo.org
Fri Jul 9 18:46:24 EDT 2004


Yes.  I've seen two versions.  The standard SMO - Spectrum Monitor Output 
which is about 30 kHz wide but at 455 kHz and designed for the 
WJ-9188-18.  The other version which I have in my current WJ-8716/MFP has a 
10.7 MHz output 100 kHz wide.  This unit has a special 100 kHz filter in 
the input mixer.  A stock WJ-8718 only has 30 kHz available at the 10.7 MHz 
output of the first mixer because of the stock 30 kHz filter.  I have 
documentation on the 455 kHz SMO option, but not the second.

Terry O'
http://watkins.johnson.terryo.org


At 01:56 PM 7/9/2004, you wrote:
>Greetings All.
>
>I have a WJ 8718  incoming in hopefully a few days.
>I am trying to explore the possibilities in tapping the IF to a
>suitable SDU. This could be the new SDR14.
>
>But..i have been in contact with a few people and the IF out on the
>back is a 455khz BNC pin...this i cant use i suspect.
>
>Question. Are there any "options" for adding a 10.7 Mhz IF out for a
>SDR14 unit ( http://www.rfspace.com/sdr14.html )
>
>Incase an optional IF-out card exists for WJ 8718 id like to know.
>
>Kind Regards
>
>Stephan
>Venligst / Kind Regards
>
>Stephan in Denmark
>
>RXs   : Racal 6790/GM,RFT EKD 514(GDR),NRD 545/G,G303iPro,AOR7030+
>ANTs  : WELLBROOK ALA-100,twin ALA-1530,K9AY
>DSP   : Timewave DSP-599zx
>SOFTs : Code300-32,RRaft,SkySweeper Pro 5.01,SpectraPLUS,PC-HFDL
>
>INTERESTS : LF,NDB,UTE -DX'ing
>
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