[Amps] PEP power..

[Gary Schafer]

> -----Original Message-----
> From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
> Behalf Of Gudguyham at aol.com
> Sent: Monday, October 16, 2006 1:01 AM
> To: sm2ekm at telia.com
> Cc: amps at contesting.com
> Subject: Re: [Amps] PEP power..
> 
> 
> In a message dated 10/16/2006 12:47:26 A.M. Eastern Standard Time,
> sm2ekm at telia.com writes:
> 
> peak  envelope power (of a radio transmitter): The average power supplied
> to the  antenna transmission line by a transmitter during one radio
> frequency  cycle at the crest of the modulation envelope taken under
> normal operating  conditions
> 
> 
> This is a direct quote from the ARRL handbook which is always my source of
> information.  Yes, during one cycle there can be many "spikes" but there
> is
> also many lower values too.  Since the term is "envelope", I think they
> want us
> to consider the entire crest of the cycle as opposed to just any  one
> spike.
> Therefore that is how I think the 2 to 1 ration was  formed.  Granted an
> SSB
> waveform is complex but maybe we are getting hung  up on semantics as
> SK2EKM
> suggests.  Lou

The 2:1 ratio of peak envelope power to average power is the relationship
that there is when modulating the transmitter with 2 equal amplitude tones.
That is the only time that relationship is present.

73
Gary  K4FMX