[sdiy] cute hand held scopes on eBay

[Steve Maietta]

Thise "sine" waves look bad yes, but that's at 500Khz..  So for RF, okay its not going to work.. But perhaps for synth use they do a "good enogh" job?  For tuning circuits, trimming waveshapes etc??

good S-DIY bench/pocket tool?

~Steve



--- On Thu, 2/23/12, Richie Burnett <rburnett at richieburnett.co.uk> wrote:

> From: Richie Burnett <rburnett at richieburnett.co.uk>
> Subject: Re: [sdiy] cute hand held scopes on eBay
> To: synth-diy at dropmix.xs4all.nl
> Date: Thursday, February 23, 2012, 10:22 AM
> >> The DSO nano is fairly
> well-known and was talked about on here a few weeks
> >> ago. I have one; it's OK but a bit cheesy given
> it's single-channel.
> 
> I think the linear interpolation between sample points would
> be my biggest
> gripe!  For example, this picture of a 500kHz
> sinewave:
> 
> http://toolboom.com/content_image/content/5210/IMG_2417.JPG
> 
> from the many photos at this page:
> 
> http://toolboom.com/en/Articles/DSO-Nano-DSO201-Pocket-Sized-Digital-Oscilloscope-Review.html
> 
> I know this is a dirt-cheap low-end product, and i'm spoiled
> having a Agilent
> DSO on my desk here.  However, if someone would program
> proper sinc
> interpolation into this it would at least be able to display
> the sampled
> waveforms correctly up to its front-end's bandwidth limit.
> 
> -Richie,
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