[time-nuts] Acitve GPS antenna biasing

Bruce Griffiths bruce.griffiths at xtra.co.nz
Fri Oct 9 02:32:39 UTC 2009


SAIDJACK at aol.com wrote:
> Hi Bruce,
>  
> in response to the active antenna biasing discussion we had a couple of  
> days ago: there is a good reference I ran across with inductor part number,  
> schematic, and layout in the uBlox literature (hardware reference manuals)  
> on the uBlox website. They use a single Murata inductor for GPS  antenna 
> biasing.
>  
> bye,
> Said
>   
>   
For broadband use a powdered iron filled conical choke such as:

http://www.piconics.com/BC/bc.pdf

May be more useful, provided it is oriented correctly with respect to
the microstrip transmission line.

Bruce





More information about the Time-nuts_lists.febo.com mailing list