Ping Joerg about GDS2204

No idea because I never had the need. It is SCPI compatible though so maybe the datastream can be read out somehow while acquiring. But bottomline is I don't know. Can't you take the triggering line from the uC as indicator?

Sure. But there is no indication on the screen of the scope that a trigger occurred until after the entire 100 second sweep. This takes forever.

Thanks, Joerg.

Sometimes I wish such scopes were more programmable internally. Like some big FPGA where you cuould reach into an area of it. But I guess you and I won't roam the earth anymore until that happens, if ever.

Wish I could have really helped.

could just build one :P

there's

-Lasse

The sample rate is a problem. You can't do much these days at 125MSPS.

Equipment manufacturers can't see it, their marketing folks have too little vision. If they made one of their existing mid-range or even upper class scopes programmable down to machine level that could boost their sales tremendously. Nobody wants to design/build the hardware if they can avoid it.

This is how it's done right:

Rigols aren't very locked down, are they? Don't know that anyone's tried to reprogram them from scratch, though.

Tim

Some were hacked but I doubt they can be freely programmed. You'd need a lot of hardware documentation for that.

John

I have the same GDS and this is their way to do this. Also triggering is somehow and sometimes different on slow rising or falling signals when slow samplerates are used. So try to keep the triggerpuls with fast rising edges (2ms or faster)

hth

- Michael Wieser

Thanks, Michael. I'm trying.