[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
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