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GW-Instek MPO-2000

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fredo_:

--- Quote from: KungFuJosh on March 31, 2024, 09:19:52 pm ---There's a lot of bonus features I didn't think of before that really work great on standalone AWGs.

--- End quote ---
Things like that ?  8) : https://www.eevblog.com/forum/testgear/owon-xdg2000-arbitrary-waveform-generator/msg5420675/#msg5420675

shabaz:
That SDG2122X alone exceeds half the price of the basic MPO model, I guess it's unrealistic to expect it to have identical functions/power.

Plus, despite there being a dual-channel 14-bit AWG inside even the base MPO model, which could be used as an AC source, or DC source with adjustable offset (within it's limitations  - 5Vp-p) but they've stuck a dual-channel PSU (up to 20V max) inside there too, although, annoyingly, ground-referenced and not two isolated outputs.

The PSU is also SCPI controlled (and perhaps eventually Python controlled?) i.e. lots of opportunities in that instrument for generating control signals and voltages - certainly not near to SDG2122X level, it's certainly cut-down but their compromises sound pretty reasonable, they had to make a decision somewhere about the price-performance mix they were going to land on.

I've used my scope's AWG to even generate LoRa signals; it was easy to go from Matlab into the 'scope, with very little code. Not as flexible as a standalone AWG (and usually the 'scopes are missing hardware trigger outputs that standalone AWGs will have) but half the volume on the desk until one needs the accoutrements.

shabaz:
Nice work with the FM modulation. That instrument looks to have more capability, and is lower-cost, than the DG1022Z that I used to own.

KungFuJosh:

--- Quote from: shabaz on March 31, 2024, 10:27:51 pm ---That SDG2122X alone exceeds half the price of the basic MPO model, I guess it's unrealistic to expect it to have identical functions/power.

--- End quote ---

1/4 the cost if you start as an SDG2042X. 😉

nctnico:
One thing to consider is how well the AWG and other functions are integrated into the user interface. If the internal AWG of a DSO is easy to access, then it will be much easier to use that instead of pulling out a standalone AWG. One of the things GW Instek got right on their is oscilloscope is using a vertical AND horizontal row of buttons next to the screen. This makes navigating through menus so much easier compared to oscilloscopes which only have 1 row. And there are more clever buttons like a seperate select button and a button to bring up the operation modes. Combined this makes the GW Instek scopes really efficient to use.

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