[NLRS] Has anyone BUILT a DEMI 10 GHz transverter kit?

Sat, 01 May 2004 22:04:01 +0100

Hi Scott.
Have not built the DEMI 10GHz kit.  However, have built others.  Yes, there
are 9 pipe cap filters.  There is a "palette" and a 6 mil PC board.  The
board is fastened to the palette (screws); the pipe cap filters soldered (a
heat plate is desirable), and then all other components are soldered on.
The "complete kit" is a complete kit, minus the TR stuff.  If you are going
with a splt i.f, you won't need the i/f interface, but you may need a
relay, etc., to act as a sequencer for the transverter and the TR.  Power
amplifier ?  ~10 mw will get youy started, but it will be difficult for
other to hear you.  100mW seems to be about the minimum for rain-scatter,
building scatter, etc.  18" dish would appear to be the best choice.  Much
larger than that, and its too difficult to aim/hold position.  17 - 20  dB
horns just don't have enough gain.

73 Donn
WA2VOI/0

At 02:05 01-05-04 +0100, Scott wrote:
>Has anyone on the list actually built a Down East Microwave 10 GHz 
>transverter kit?  By this I mean soldering all components on the circuit 
>board?  If so, does anyone have a set of instructions and/or a photo of 
>the completed board?  I haven't seen the guts of the transverter or a 
>schematic.  I was reading in the 17th Annual Microwave Update 2002 book 
>that there are 9 (!) copper pipe cap filters on the board.  Is that 
>correct?  Was it fairly easy to build the unit?  I am ready to send the 
>check, but am a bit nervous about soldering pipe caps to the 
>board...also, does the complete kit (10368-144CK) have everything I need 
>such as an enclosure?  I assume I'll need at least one of their SMA 
>relays to switch the antenna between the 10368 Rcvr side and Xmtr side 
>of the transverter.  I plan to split my IC-251A into seperate RX and TX 
>antenna ports, so I won't need a relay on that side.  All 
>help/info/photos appreciated.  If I'm satisfied I can put it together, 
>there will be 10 Gig eminating from EN45 before the end of the summer!
>
>-- 
>Scott N0EDV
>http://corbenflyer.tripod.com/
>Building RV-4
>Gotta Fly or Gonna Die
>
>
>
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