[sdiy] New SDIY Guy Video: Oscilloscope Kit, DFAM, A cool film score patch and more

[Quincas Moreira]

yeah the 150 is the same as the shell I built, difference is only the,
well, the shell

On Sun, May 6, 2018 at 12:45 PM, Ben Bradley <ben.pi.bradley at gmail.com>
wrote:

> I looked, I presume this is the device. If not, it's a good example:
> https://www.banggood.com/Orignal-JYE-Tech-DS0150-
> 15001K-DSO-SHELL-DIY-Digital-Oscilloscope-Kit-With-Housing-
> p-1093865.html?cur_warehouse=USA
>
> Scrolling down to the pic with the input BNC connector, there's text
> on the device that says "Max 50Vpk." That is the actual maximum input
> signal level the device is rated for. This reminded me of what I
> already knew but was distracted by the "20v max" claim, that the scale
> setting has no relation to the max input voltage.
>
> The "20v" setting is just a scale setting, it means 20 volts per
> division. On a "full size" scope screen each division is 1 cm and
> there are 10 vertical divisions, 5 above and 5 below the center zero
> line.. I'm guessing divisions on this display are 0.5cm, but
> regardless, a 20V peak signal would only go one division above and
> below the zero line on the 20V setting.
>
> On Sun, May 6, 2018 at 3:28 AM, Quincas Moreira <quincas at gmail.com> wrote:
> > I’m going by the visual range. In 20v setting my 10v bipolar signals
> look way small. They look good in the 2v setting. I’m thinking this is a
> scaling thing, maybe I’m wrong
> >
> > Sent from my iPhone
> >
> >> On May 6, 2018, at 00:45, rsdio at audiobanshee.com wrote:
> >>
> >> I’m curious: what makes you think that it can handle more than the
> manufacturer claims? They could easily be using parts with an absolute
> maximum of 20 V, which means that’s it. I wouldn’t recommend feeding it
> more voltage than they say it can handle.
> >>
> >> Brian
> >>
> >>
> >>> On May 5, 2018, at 7:57 PM, Quincas Moreira <quincas at gmail.com> wrote:
> >>> Just measured, the voltage range goes well beyond what's needed for
> modular. it says 20v, but I think that's wrong and it's way more. My VCOs
> look good in the 2v setting.
> >>
> >
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-- 
Quincas Moreira
Test Pilot at VBrazil Modular
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