[Lowfer] Epson Question
Dick Cappels
[email protected]
Sun, 18 Apr 2004 14:19:12 -0700
So... if the oscillator is putting out a square wave, but your antenna
filters out the harmonics, then you need to multiply by yet another number.
Its something like 65% - anyone have one that's been carefully worked out?
on 4/18/04 12:49 PM, Bill Ashlock at [email protected] wrote:
>> What is the power output of an the Epson oscillators we use for HiFER in mW
>> or dB? I don't see specs on this in any of my catalogs.
>
> Kurt the output power depends on the voltage out and the load resistance.The
> basic formula for power in a load of course is P= V^2/R where V = RMS
> voltage applied to a resistive load R. The tricky part is converting the
> waveform to RMS. For a sine wave the above formula becomes P = V^2/8*R
> where V is measured peak to peak. For a square wave it's P= V^2/4*R where V
> is also in peak to peak volts.
>
> Bill
>
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