[AMPS] Re:

Rich Measures measures@vc.net
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  


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