[sdiy] What test gear do you use?

Jimmy Moore jamoore84 at gmail.com
Sun May 6 23:58:11 CEST 2018


I come across those Tek scopes somewhat regularly at my university's
surplus store. Even saw an HP 3852A spectrum analyzer last time I went.

Perhaps I should just buy one for posterity, but -- again -- space.



On Sun, May 6, 2018 at 3:46 PM, <rsdio at audiobanshee.com> wrote:

> I have found the Rigol products to be completely unusable compared to
> quality ‘scopes. The encoders are useless, for all intents and purposes.
> There’s a reason these ‘scopes are cheap, and hacking one to a higher base
> model does not make up for the poor overall design quality.
>
> Before you say you can’t afford a higher quality ‘scope, don’t forget
> about the used market.
>
> I have a Tektronix 2213A 60 MHz analog ‘scope and a Tektronix 2230 100 MHz
> DSO that’s actually an analog and digital hybrid. These were $100 to $300
> each on the used market. That’s less than a Rigol, and you’ll actually be
> able to use it. Not only that, but the parts are made to be serviceable for
> decades to come, and that’s an advantage that Tektronix has over many
> ‘scope manufacturers. I recently paid a mere $100 to have one of them
> repaired, and I didn’t even have to mess around with high voltages myself.
>
> I also have cheaper tools like Gadget Factory's Open Logic Sniffer, a
> 16-channel digital analyzer, and the Bus Pirate. Of course, these cheaper
> tools are digital, not analog.
>
> I built my own bench power supply with adjustable bipolar outputs from
> Craig Anderton’s Electronic Projects for Musicians in the early eighties,
> and it still works today. I use it to power Euro modules. It doesn’t have a
> fancy digital display, so I just connect a nice Fluke 87 meter, adjust the
> desired voltages, and then screw the cover on the unit and it is reliable.
>
> Brian
>
>
> On May 6, 2018, at 1:12 PM, sleepy_dog at gmx.de wrote:
> > Yes, you can hack the Rigol not only to a higher base model, but also
> unlock protocol analyzers, extra trigger modes etc, probably nothing an
> analog synth kit builder desperately needs, though.
> >
> > - Steve
> >
> > On 5/6/18, Jimmy Moore <jamoore84 at gmail.com> wrote:
> > > I didn't mean to clutter up Quincas' thread with the scope
> conversation,
> > > but I'd love to hear more about what test gear people use.
> > >
> > > I've recently gotten back into kit building, and Quincas' video on the
> kit
> > > scope looked fun and useful -- Do people have other equipment that
> > > similarly fills a similar purpose that is worth its while? Space is at
> a
> > > premium in my apartment, which is why I'm interested in hearing about
> these
> > > small kit things.  I don't have much room for a dedicated test bench!
> > >
> > > Steve's comment about the DSO112
> > > <https://www.youtube.com/watch?v=fGU9LoEpQFw> brought me further down
> the
> > > rabbit hole.
> > >
> > >
> > >  What's everyone use?
> > >
>
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