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Saleae Logic Pro 16 V's Rigol MSO5000 series

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Ross:
Hi All,

From what I have heard, the Saleae logic Analyzers a very good, the PC software is very useful for protocol analysis. If you shop around it is possible to get a Rigol MSO5000 series scope for the same price. So why would you buy the Saleae instead of the Rigol (Rigol has more features beyond logic analyzer and has similar specs to the Saleae).

Anyone used both devices and wants to give an opinion, or link in another thread where this discussion has been had?

One specific question, my understanding is that the Saleae can save protocol decode data out until the PC hdd is full. Is this kind of operation possible on the Rigol (or is the amount of data limited to sample depth etc).?

Thanks,

Ross

Fungus:
It's a different way of working. The Rigol is real time where the Salae has to record the data then analyze it later. The upside is that you can record long sequences and use mouse/keyboard/PC for deeper analysis of decoded data packets.


--- Quote from: Ross on August 14, 2023, 03:44:47 am ---One specific question, my understanding is that the Saleae can save protocol decode data out until the PC hdd is full. Is this kind of operation possible on the Rigol

--- End quote ---

No.

tautech:
Depends on what protocols you need decode as the advanced ones are optional extras for many scopes.

Siglent led the way with free decoders in DSO's some years back with IIC, SPI, UART, CAN, and LIN as standard not optional capability.

Others you need pay for both decoding and triggering capabilities.

mdredmond:
I've got an MSO5104 and a Saleae Logic Pro 8.  I've never used the MSO's logic analyzer features but use the Saleae all the time.  By the way, I can't imagine needing 16 channels of input.  Most times I'm just debugging serial data and I've occasionally used four channels.

One thing I'd love to see in Saleae's software is the ability to discard long periods of silence.  It collects so many samples that you really have to zoom out on the data and then zoom back into areas of interest.  Apparently it can be scripted and I suppose a plug-in that does this wouldn't be too hard to write.  With only that quibble, it's been an amazing tool and has saved me lots of time.

jmw:
The Logic client software has a lot more protocol decoders standard and is scriptable and extendable. Each protocol you want with the Rigol is another option ($$$) and if they don't have the one you want, you're SOL.

Even the Saleae Pro models are only useful for low-speed protocols. It seems most serial is well below 25 MHz (non-Pro) or way faster than 100 MHz (Pro models). If you're fine with the fixed threshold level and 8 channels, the non-pro model is just as good.

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