If you like the Salae-8, you’d like the Analog Discovery. They are very comparable. The original Salae 8 is discontinued, and they now have the “Pro 8” and “Pro 16”, which are considerably more ($700-$1000). I used the Salae software for a little while a few years ago. From my [a little outdated ] experience, though, the Salea software is a bit more slick and polished, but the AD software & hardware has more features (and I think higher bandwidth, I might be wrong on that though), with a lower price (also AD has a student discount price, though both the student and non student prices seem to have gone up a bit from when I bought mine, the student price is now the same as the non student price I paid a few years ago) . If you really want a decent LA for rock bottom $, you can get work-alike devices of the older Salea hardware on ebay for $20-$50, with very similar specs, and most of them work with Sigrok open source software. I have one of those I think I picked up even cheaper, like $10, if I didn’t mind waiting 2 months for shipping from Shenzhen. I used that for a little while as my “day to day” logic analyzer to reduce risk of frying my more expensive scopes by doing something dumb. Then I realized that was kind of silly. I probably have half a dozen scopes and logic analyzers, maybe more, none of them are “pro” level, all entry level, or hobbyist, and they all have a lot of overlaps in functionality, but most of them have one or two unique features that once in a while sets it apart as the right one to use for a certain circumstance. While everyone is hopping on the discussion, I also would plug my Salae 8-channel. The software continues to improve for it and it does all of the serial/i2c/CAN/etc protocols that I have needed (so far). I keep saying I will get a digital scope when my Tek 475 dies, but I think it is going to live forever LOL.
Charles
Realizing that it's not necessarily what one might put in the
"budget-friendly" range, I thought I'd plug both Pico Technology and
Saleae. I have a 4-channel USB DSO PicoScope (3000 series, ~$600-$2400
depending on options) and a 16-channel logic analyzer from Saleae (an
older, now discontinued digital-only model). They both work very well,
plus both offer various levels of API/SDK availability if you're keen on
writing your own logging or analysis code.
Saleae's current 16-channel analyzers are 50 MS/s MSOs, but the one I
have is not, so I can't speak to the quality of analog measurements.
The PicoScope 3000 series is 1 GS/s.
PicoScope 3000-series scopes are available in MSO form.
Both are USB devices that depend on a host PC for control and display.
$0.02,
-Brian
On 2/22/21 9:00 AM, John Vaughters via TriEmbed wrote:
> Pete,
>
> Which Rigol model do you own?
>
> I very much agree with you. I don't want to plop $400-500 down just to get a scope, then realize I really needed to plop$1000-1500 to get what I needed and now had waste $400-500.
>
> John Vaughters
>
>
>
>
>
>
> On Sunday, February 21, 2021, 9:15:14 PM EST, Pete Soper via TriEmbed <[email protected]> wrote:
>
>
>
>
>
> If you think you might be starting to play a long game consider getting
> a "mixed signal" 'scope that can capture, trigger on, and decode a set
> of digital signals as well as providing analog measurements, and
> consider I2C/SPI/UART/USART decoding essential, if only as an option
> (i.e. don't drop the money for something that can't eventually decode
> these dead common serial modes unless you know you're only dipping a toe
> in). I went a long time with my Rigol without an "unavoidable use case"
> for logic signals involved with debugging new hardware, but when those
> use cases finally came around it was nice to have the capability and not
> be looking around for another piece of equipment, most especially when
> you need to see what's going on with several signals at once. In about
> seven years I think I've topped out with two analog and seven or eight
> digital signals with one set of gadgets. The integration of digital and
> analog is a real plus, for instance where you need to jump around
> between figuring out a noise issue vs something basically wrong with a
> serial line like with I2C. And of course you can correlate analog such
> as with A/D converters with digital signals feeding them to sort out issues.
>
> -Pete
>
>
>
>
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--
Charles J. Lord, PE, HKN
President, Blue Ridge Advanced Design and Automation
Consultants Network Chair, IEEE WNC Section
Chair, IEEE NC Council IEEE SoutheastCon Steering Committee Member, IEEE-USA AICNCC
Co-Chair, IEEE SoutheastCon 2020 |
