[K3CAL] Any oscope and signal analysis experts?
David Metler
halltrailfab at gmail.com
Sun May 15 10:05:47 EDT 2016
Thanks Ed, Im going to look it up now.
Dave
On Sat, May 14, 2016 at 5:03 PM, Edwin A Noell Jr <enoell at verizon.net>
wrote:
> You can get a free tone generator for an android device from the google
> play store. It's called Keuwlsoft dual channel function generator. I will
> generate sine, square and triangular waves in the audio spectrum. I works
> pretty well, even though it's kind of hard to use, Did I say that it was
> FREE?
>
> Ed
> KC3EN
>
> On 05/14/2016 02:34 PM, David Metler 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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