[K3CAL] Any oscope and signal analysis experts?

[David Metler]

haha, I do have that book and the cd that came with it.  Thanks for the
heads up!

On Sat, May 14, 2016 at 2:56 PM, WA4PRR <wa4prr at comcast.net> wrote:

> If you have an ARRL Handbook, I think there is a simple tone generator in
> there for testing amplifiers.
> Be sure to get a dummy load that will handle the power you are running.
> Hamfests coming up!  73,
>
> Ron / WA4PRR - Sent from my iPad
>
> On May 14, 2016, at 2:34 PM, David Metler <halltrailfab at gmail.com> wrote:
>
> OK thanks. .yeah. .I need to pick up a dummy load
> On May 14, 2016 2:30 PM, "WA4PRR" <wa4prr at comcast.net> wrote:
>
>> Looks pretty good.  If you have a tone generator, you can get a better
>> display of the peaks and valleys.  Some guys whistle a tone, but I wouldn't
>> do too much of that on an antenna.
>> 73,
>> Ron / WA4PRR - Sent from my iPad
>>
>> On May 14, 2016, at 1:49 PM, David Metler <halltrailfab at gmail.com> wrote:
>>
>> Pic didn't attach
>> On May 14, 2016 1:48 PM, "David Metler" <halltrailfab at gmail.com> wrote:
>>
>>> 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
>>>
>> <Screenshot_2016-05-14-13-36-32.png>
>>
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