[mythtv-users] Slightly OT - Keyboards
beww at beww.org
Mon Apr 30 05:22:49 UTC 2007
David Brodbeck wrote:
> Brian Wood wrote:
>> "Full Power" analog cell phones are rated at 3 watts output. Digital
>> phones typically put out 100 milliwatts or less (the receiving site
>> sends a signal to the phone telling it to reduce output power until the
>> site has just enough signal).
> That explains why phones drain their batteries so much faster in analog
> I think when I said 5 watts I was probably thinking of the limits for
> amateur band walkie-talkies, which can't put out more than 5 watts at
> the antenna terminals under FCC rules.
You're probably thinking of "Citizen's Band" walkie-talkies, which are
limited to 5 watts of DC input power to the final amplifier, thus the
output power will be less than that, as it will be reduced by the
efficiency factor of the final stage.
But we're getting *way* OT here.
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