[time-nuts] GPS down converter question

[Magnus Danielson]

Paul,

Many GPS receivers only use 2,046 MHz bandwidth, but some use the full 
20,46 MHz even if they only do C/A. Guessing that you are working on 
down-conversion for an old box, then 2,046 MHz will be your answer.

Cheers,
Magnus

On 11/30/2015 06:37 PM, paul swed wrote:
> I am looking at building a GPS down converter.
> LO 1500 Mhz locked to a 10 MHz ref.
> The IF will be at 75.42 Mhz how wide should it be?
>
> My question is simple.
>
> What should the IF pass band bandwidth be?
> Not sure if it should be 3-4 Mhz, 10 or 15 wide.
>
> Thanks
> Paul
> WB8TSL
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