[R-390] Ballastubes (was inrush current limiters)

Jim Shorney Jim Shorney" <[email protected]
Tue, 24 Dec 2002 15:06:57 -0600 (CST)


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On Mon, 23 Dec 2002 21:58:34 -0600, Cecil Acuff wrote:

>You arrived at peak value by half wave rectifying the Peak to Peak sine
>wave.  You now multiply that value by .707 to get the RMS value.  To go from
>RMS back to Peak you multiply by 1.414 and then double that to get Peak to
>Peak values.

That doesn't apply to the output of a half-wave rectifier.  It only
applies to a pure sinewave or full-wave rectified sine wave (allowing
for diode voltage drop if you're dealing with low voltages).  As Drew
pointed out, the RMS value of a half-wave rectified sine wave is
.5*peak.

- --
Jim Shorney      -->.<--Put complaints in this box
[email protected]
[email protected]
Ham Radio NU0C
Lincoln, NE, USA
EN10PT
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