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bbradburry(at)bellsouth.n
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 Posted: Fri Apr 04, 2008 8:17 pm Post subject: Source for a VHF Diplexer Splitter |
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I need to split my one nav antenna into both a nav and glide slope receiver.
Where can I find an inexpensive splitter?
Bill B
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kuffel(at)cyberport.net
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| Posted: Fri Apr 04, 2008 11:23 pm Post subject: Source for a VHF Diplexer Splitter |
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Bill,
<< I need to split my one nav antenna into both a nav and glide
slope receiver. Where can I find an inexpensive splitter? >>
Jim Weir of RST Engineering suggests a series resonant circuit
composed of a 10pf capacitor and a total of 1 inch of lead length.
You can build the splitter with a small project box, two short
lengths of co-axial cable with BNC plugs on one end and a BNC
jack. Run one cable through a grommet on one side of the box to
the jack on the other side. Connect the shield by forming two
pigtails. This cable goes to the VOR. Run the other cable
through a second grommet. Strip off 1/2 inch of outer
insulation, shield and inner insulation. Put some heat shrink
over the cable. Cut one lead of the capacitor to 1/2 inch and
solder it along the cable center conductor. Make sure the shield
is well trimmed and can't touch the center conductor. Insulate
with the heat shrink tube. This cable will go to the Glide Slope.
Put 1/2 inch of insulation on the other lead of the capacitor.
Wrap the other capacitor lead around the center post of the BNC
jack with no lead showing beyond the insulation and solder.
Ty-wrap the cables together and just inside the grommet to
prevent pulling on the connections.
This is what I'm doing for the KX-155 in my Sportsman. Can't get
much simpler or cheaper.
Tom Kuffel
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earl_schroeder(at)juno.co
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| Posted: Sat Apr 05, 2008 6:11 am Post subject: Source for a VHF Diplexer Splitter |
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Bill, if you want to 'roll your own', try www.rst-engr.com I made one and it works. Otherwise, check Chief aircraft for low pricing. Earl
-- "Bill Bradburry" <bbradburry(at)bellsouth.net> wrote:
I need to split my one nav antenna into both a nav and glide slope receiver.
Where can I find an inexpensive splitter?
Bill B
| | - The Matronics AeroElectric-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?AeroElectric-List |
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