[Amps] Transformers

[R L Measures]

On Jul 16, 2006, at 4:17 PM, Gudguyham at aol.com wrote:

> In a message dated 7/16/2006 12:48:22 P.M. Eastern Standard Time,  
> r at somis.org writes:
> Lou --  A question.  I measured 400v-pk into 49.9-ohms @ 7MHz with  
> a SB-220.  How many PEP W is this?
> The way I figure it, that is 3200 watts at that point in time.

3200 peak W or 3200W PEP?

> Sounds pretty high to me.

The oscilloscope and x100 probe were calibrated.

> That is like 8 amps of RF current.  I guess at some instant in time  
> of the envelope the PEP could be much more than 2 times the DC,  I  
> don't refute that, but for most of the envelope the power is in the  
> region of 2 times.  Peaks are just that, peaks which occur for an  
> instant compared to the average.  Lou

R L MEASURES, AG6K. 805-386-3734
r at somis.org