AVSIG: NPRM RE: Transponder Exception For Gliders wwswsigarch.jpg (7236 bytes)

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Russell Holton
AVSIG Member


Reged: 07/07/05
Posts: 14136
Re: NPRM RE: Transponder Exception For Gliders [Re: Terry Carraway]
      #411615 - 07/06/15 01:23 PM

Quote:

I wonder how they get 130 watts transmit power, from a 4 watt power input????????



Duty cycle. 4 watts is more than enough if it transmits at 130W for one 1ms out of every second. The pulse is so short, I'd imagine most of the instantaneous power comes from the unit's internal filter capacitors rather than the external supply.


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