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Author: David Niklas
Date:  
To: dng
Subject: Re: [DNG] Re (2): unresponsive machine
On Sat, 28 Sep 2024 10:44:15 -0400
David Niklas <deference@???> wrote:
> On Sat, 28 Sep 2024 23:25:46 +1000
> nick <nick@???> wrote:
> >
> > >  Repair?    A decent oscilloscope the size of a multimeter now costs
> > > about $US 300.

> >
> > Yes actually I use a USB oscilloscope which is called the Digilent
> > Analog Discovery 2. It's pretty good although I tend to avoid setting
> > it up for quick jobs. I am considering getting a standalone model.
>
> If I might interject, I own an Rigol MSO5074 standalone oscilloscope and
> it works quite well for everything I have applied it to. The base model
> can be "hacked" to 350Mhz. $999.00 for the base 70Mhz 4 channel version.
>
> A cheaper (and good) option is the Siglent SDS1104X-E which has two ADCs
> as opposed to many of the other models in this price range. It can also
> be "hacked" to 200Mhz. $499.00 for the base 100Mhz 4 channel model.
>
> Going up in price, the GW Instek MPO-2204P supports programming it with
> python (other scopes do not allow any programming in any language,
> though some may be "hacked" to fix that). It has physical DMM ports and
> has a DC power suppy with 2x ports. You can also use it with a keyboard
> and mouse. If I had had the money, I would probably have purchased this
> instead of the Rigol. It's $2,192.00 for the 200MHz 4 channel
> top-of-the-line option.
>
> Unlike the above 2, the Instek model does not have a 16 channel logic
> analyzer interface for purchase (nor built in).
>
> Of course, there are also the name brand scopes, such as R&S, Keysight,
> and Tektronix, but those are all much more expensive.
>
>
> Please note that I made my analysis before Rigol, Siglent, and a few
> others, released higher bit scopes (like 12-bit). So, you may wish to
> take a look at those scopes as well.
>
> See also the eevblog forums, if you want a scope. They even have a code
> for getting a discount from tequipment (which I can't share on a public
> ML).
>
>
> I hope it helps,
> David


Addendum: I forgot to mention, the Rigol and the GW Instek oscilloscopes
come with an AWG built in (the Rigol has a SW option for it which can be
"hacked"), the Siglent has physical HW that has to be purchased separetly.

You're welcome,
David