Re: [amsat-bb] how to best power a mast mounted down conv

[Bill Howell <bhowell@xxxxxxxxxxxxxxx>]

>What is a simple circuit on the "shack end", on how to inject 13 vdc
>over the coax to power a down conv or pre amp?
>
>Howard AE3T
>




Howard... Here's the schematic for the Drake power inserter, as it 
came from Drake:

http://homepage.mac.com/billmac/PhotoAlbum.html

Click on 2880ps3.gif

Note that certain downconverters require more than 13 volts input, to 
regulate correctly.








-- 

Bill Howell
University of Texas at Austin
College of Fine Arts
Office of Computing Technologies
N5ALO  Amsat 32459  QRP-L 415
	
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