[BC] FM Modulators for Satellite Radio
Richard Fry
rfry
Mon Jun 26 06:48:35 CDT 2006
Alan Alsobrook:
>The signal leaking back towards the antenna was easily compliant
> with part 15. I'll have to find my notes on it, but it wouldn't even
>register on the milliwatt meter, it came up in the micro volt range.
____________
Just to note that ~11 nanowatts radiated by a 1/2-wave dipole will produce
the legal peak field allowed for Part 15 FM. That power level is tough to
measure.
The best approach probably would be to measure field strength at 3 meters
for 250 uV/m, max, to be legal.
RF
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