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Re: RE: Micro - Duplexer for Arrow Antenna
- Subject: Re: [amsat-bb] RE: Micro - Duplexer for Arrow Antenna
- From: Arrow146@xxxxxxx
- Date: Tue, 5 Oct 1999 10:56:00 EDT
In a message dated 10/4/99 4:49:38 PM, you wrote:
>David,
>For the Arrow Micro duplexer, please refer to Nov / Dec 1997 Amsat
>Journal Pages 12-13.
>It is entitled "KI0AG Micro-Duplexer" by Chuck Duey, KI0AG and has
>everything you need to know about what is inside the Arrow Antenna's
>handle, and how to build the Micro-Duplexer.
>While you are searching for the back issue, here is the parts list:
>Parts List :
>2 4.7 pF 5% 50V NPO 1206 or 0805 size
>1 3.0 pF 5% 50V NPO 1206 or 0805 size
>2 18 pF 5% 50V NPO 1206 or 0805 size
>2 15 nH 5% 650 mA 1008 size
>2 68 nH 5% 650 mA 1008 or 1210 size
>1 100 nH 5% 650 mA 1008 or 1210 size
>
>Hope this helps you out.
>Regards,
>Danny VA3JDH
The above info is correct, just some additions.
PC Board is available from Far Circuits
Coax lengths 2 meter is 24 1/4" - 70 cm is 14"
Coax to the radio is about 45"
Be sure to use a good quality RG58AU (stranded center conductor).
73 Al Lowe N0IMW
Arrow Antenna
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