Amps
[Top] [All Lists]

[AMPS] Re:

To: <amps@contesting.com>
Subject: [AMPS] Re:
From: measures@vc.net (Rich Measures)
Date: Mon, 2 Aug 1999 16:08:26 -0700


>
>From:                  "Phil Clements" <philk5pc@tyler.net>
>To:                    <User312627@aol.com>, <W8JI@contesting.com>, 
><amps@contesting.com>
>Subject:               Re: [AMPS] Re: 
>Date sent:             Tue, 27 Jul 1999 00:38:01 -0500
>
>> >"Q What is peak envelope power?
>> >
>> >A - Peak envelope power (PEP) is the average power supplied to the
>> >antenna transmission line by a transmitter during one RF cycle at the
>> >crest of the modulation envelope, taken under normal operating
>> >conditions.

? Peak Envelope Power is the RMS value of peak voltage, squared, divided 
by R.  . PEP is not a measurement of average power.  It is a measurement 
of RMS power.   
>> >
>Phil wrote:
>> 
>> I have always interpreted this to mean that one RF cycle is the MINIMUM
>> time for the measurement. Any shorter look would not define where the
>> crest of the modulation envelope is.
>
>You probably take it that way mostly because your reading skills 
>are good and you understand waveshape and power.
>
?  There are two voltage peaks in one RF cycle.  Either peak can be 
measured. 



Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


--
FAQ on WWW:               http://www.contesting.com/ampfaq.html
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com
Search:                   http://www.contesting.com/km9p/search.htm


<Prev in Thread] Current Thread [Next in Thread>