Amps
[Top] [All Lists]

Re: [Amps] Load Pulling

To: "Michael Tope" <W4EF@dellroy.com>,"bumerang boom" <bumerang.boom@yahoo.com>
Subject: Re: [Amps] Load Pulling
From: "Tom Rauch" <w8ji@contesting.com>
Reply-to: Tom Rauch <w8ji@contesting.com>
Date: Thu, 13 Sep 2007 07:07:09 -0400
List-post: <mailto:amps@contesting.com>
> Something doesn't make sense here. 1/20ns = 50 MHz, not 50 
> KHz!! The period of a 2 MHz carrier is 500ns, so with a 
> pulse width of 20ns, you are only transmitting a small 
> fraction
> (4%) of a single RF carrier cycle. That sounds more like a 
> sampling process than it does pulsed CW (as if you were 
> sampling a 2 MHz signal with a 50 MHz A/D converter).
>
> I just worked a 20 hour day, so I am too tired to think 
> about
> this anymore. Maybe tomorrow :-)

You're right. It is 50 MHz and that makes no sense with a 
2MHz carrier because there would be no carrier. There isn't 
much around needing a pulse that brief.

It's probably 20 uS, which is where I misplaced my zeros at 
without thinking. 20uS would allow a carrier.

73 Tom 


_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps

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