[K3CAL] Any oscope and signal analysis experts?

kf3aa at comcast.net kf3aa at comcast.net
Sat May 14 19:49:41 EDT 2016


Dave, 
  You can borrow the big dummy load from the station . 
 I think its 1kw    
  73 Bob KF3AA 


----- Original Message -----

From: "David Metler" <halltrailfab at gmail.com> 
To: "Calvert Amateur Radio Association - K3CAL" <k3cal at mailman.qth.net> 
Sent: Saturday, May 14, 2016 1:48:31 PM 
Subject: [K3CAL] Any oscope and signal analysis experts? 



I have gotten great reports on my audio with amplifier...but as a learning exercise...I connected my oscope to my rf output to see what my signal looked like..in some cases with no amplifier..it looks like my audio flat tops.  But I don't know how to correct that with my ftdx 3000.  Here is a video of the audio sampled with amplifier putting out  600 watts.  And a freeze Fram pic that does look good. 

One thing that I'm not sure about is if I have my oscope settings correct...as I really have know idea what I'm doing lol.  Hopefully you can see some of the settings in the freeze frame. I'm connected to an unused antenna output (antenna #2)on an ameritron atr 30 tuner and transmiting on antenna 1.  Basically just using the coupling effect to sample the rf..with out  having to make or buy an rf sampler. 

What do you all think? 

https://youtu.be/BP3sy4dx6oM 
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