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'[EE] Re: CHEAP XY Scope?'
2020\11\03@163917 by Harold Hallikainen

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> On Fri, Nov 13, 2020 at 4:58 PM Harold Hallikainen
> <spam_OUTharoldTakeThisOuTspammai.hallikainen.org> wrote:
>> I'm seeing some single board oscilloscopes in the $20 range. I'm looking
>> for something like that can do an XY display instead of voltage versus
>> time. Is anyone aware of one?
>
> Hi Harold,
>
> I haven't seen one that does, but I also haven't been directly
> looking. Could you modify one of the existing ones? I think some of
> them are open source. Might be more of a commitment then you were
> hoping for though!
>
> Josh

The one's I've seen only have a single analog input, so modification could
b somewhat major. I'm looking for something to use as a tuning indicator
on my radioteletype station (https://w6iwi.org/rtty/ ).

Thanks!

Harold




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2020\11\03@191409 by Harold Hallikainen

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> On Fri, Nov 13, 2020 at 5:40 PM Harold Hallikainen
> <.....haroldKILLspamspam@spam@mai.hallikainen.org> wrote:
>> The one's I've seen only have a single analog input, so modification
>> could
>> b somewhat major. I'm looking for something to use as a tuning indicator
>> on my radioteletype station (https://w6iwi.org/rtty/ ).
>
> Oh that ITTY looks very fun!
>
> Well, definitely pricier, but there are a few options with more than
> one channel:
>
> https://www.amazon.com/Cheffort-Pocket-Sized-Oscilloscope-Maintenance-Engineering/dp/B07TNPYLS5/

That's pretty cute! Reviewing the manual, it IS dual trace, but not XY. I
might be able to use it anyway. I'll try my bench scope in dual trace mode
and see how easy that works as a tuning indicator for RTTY.

Again, Thanks!

Harold



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2020\11\13@185558 by Josh Koffman

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On Fri, Nov 13, 2020 at 5:40 PM Harold Hallikainen
<haroldspamKILLspammai.hallikainen.org> wrote:
> The one's I've seen only have a single analog input, so modification could
> b somewhat major. I'm looking for something to use as a tuning indicator
> on my radioteletype station (https://w6iwi.org/rtty/ ).

Oh that ITTY looks very fun!

Well, definitely pricier, but there are a few options with more than
one channel:

www.amazon.com/Cheffort-Pocket-Sized-Oscilloscope-Maintenance-Engineering/dp/B07TNPYLS5/
https://www.amazon.com/SainSmart-Handheld-Pocket-Sized-Oscilloscope-Channels/dp/B07JQ3HRMX/

At this price point though I feel like it might just be easier to
start from scratch with a fast microcontroller and a display, no?

Josh
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