[Premium-Rx] Receive Multicoupler

Jack Smith Jack.Smith at cox.net
Mon Mar 23 14:52:10 EDT 2009


Yes, when it's a bit further along.

I've written a bit about the active antenna and provided photos at my 
web site's monthly journal last month.
http://www.cliftonlaboratories.com/february_2009.htm

The antenna design is based on Chris Trask's work, but I've modified it 
to extend the low frequency range down to 20 KHz and to (I hope) make it 
more resistant to RF damage from those of us who also transmit from time 
to time.

I've done one multicouple prototype but am not satisfied with the 
results, so I'm going to completely rework it. The idea is to have a 
modular approach with one enclosure so that the standard arrangement is 
4 outputs, and a second board can be piggybacked to provide a total of 8 
outputs. Bandwidth 20 KHz to 100 to 150 MHz.

Jack K8ZOA



Ron Ott wrote:
> Jack, I hope you will announce its availability on the List.
>
> Ron/W6XY
>
>
>
>
> ________________________________
> From: Jack Smith <Jack.Smith at cox.net>
> To: Warren Ziegler <ny2h at yahoo.com>
> Cc: premium-rx at mailman.qth.net
> Sent: Monday, March 23, 2009 11:29:42 AM
> Subject: Re: [Premium-Rx] Receive Multicoupler
>
> If you can be patient for a few more months, I plan to have a kit 
> multicoupler available (also assembled) but I'm first trying to get the 
> active antenna kit out the door.
>
> Also have a band-reject filter for AM broadcast that might be useful in 
> conjunction with the BC stuff, although I think it will remain as a 
> separate product instead of being an optional plug-in for the multicoupler.
>
> I can give you more details if you contact me directly.
>
> Jack K8ZOA
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