[time-nuts] GPS from a window seat

SAIDJACK at aol.com SAIDJACK at aol.com
Fri Oct 2 04:39:09 UTC 2009


Hi Bruce,
 
but at first resonance (self resonance) the inductor has the highest  
impedance that it will ever have (theoretically infinite impedance), which is  
what you want in a bias-t...
 
bye,
Said
 
 
In a message dated 10/1/2009 19:56:03 Pacific Daylight Time,  
bruce.griffiths at xtra.co.nz writes:

You need  to ensure that the coil/inductor doesn't have its first
resonance below  1575.42MHz for an L1 receiver, otherwise it isn't very
effective.
There  are some wideband chokes with first resonances well above 10GHz
when  mounted  correctly.

Bruce





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