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Rigol Math -> logic '0'/'1' simultaneous conversion for the 2 channels ?

**roli_bark**:

Is there a way to preform Math -> Logic conversion for Ch.1 & Ch. 2 simultaneously (Rigol DS2702) ?

E.g. - The goal is to achieve a logic ('0' or '1') display of the 2 internal variables (A & B), A sourced by Ch.1, B sourced by Ch.2, with appropriate Threshold levels for Ch.1 & Ch.2 ? Also, enabling the display of variables A/B only [rather than an overlay] ?

**marmad**:

--- Quote from: roli_bark on May 14, 2013, 08:11:41 am ---Is there a way to preform Math -> Logic conversion for Ch.1 & Ch. 2 simultaneously (Rigol DS2702) ?

E.g. - The goal is to achieve a logic ('0' or '1') display of the 2 internal variables (A & B), A sourced by Ch.1, B sourced by Ch.2, with appropriate Threshold levels for Ch.1 & Ch.2 ? Also, enabling the display of variables A/B only [rather than an overlay] ?

--- End quote ---

I don't understand what you're asking; can you be more specific? Obviously, the DS2000 does Math -> Logic (AND/OR/NOT/XOR) using either or both channels as source - but what do mean simultaneously?

**roli_bark**:

Ooops sorry, elaborate:

The goal is to get a Logic representation of all Analog Channels.

Today there's only one Math function in Rigol Scopes (displayed as 'Deep Blue). To get the Math function represent CH.1 as logic '0'/'1', a Math = 'A or B' can be defined for example, where A is sourced by Ch.1 & B by Ch.2 (tied to Ground). Now the 'Deep-Blue' Math display represents Ch.1 digitally.

My question is whether it is possible to defined 2 Math functions for the 2 channels (or 4 for 4)

Example:

Math set to the logic option. And the logic equations are defined as,

Math-1 = A or GND

Math-2 = B or GND

Math-3 = C or GND

Math-4 = D or GND

Where A is sourced by Analog Ch.1 (with the appropriate Threshold defined for Ch.1)

Where B is sourced by Analog Ch.2 (with the appropriate Threshold defined for Ch.2)

Where C is sourced by Analog Ch.3 (with the appropriate Threshold defined for Ch.3)

Where D is sourced by Analog Ch.4 (with the appropriate Threshold defined for Ch.4)

with the option to display only Math-1, Math-2, Math3, Math4 (and not as an overlay).

**marmad**:

--- Quote from: roli_bark on May 15, 2013, 05:07:59 am ---My question is whether it is possible to defined 2 Math functions for the 2 channels (or 4 for 4)

--- End quote ---

No. The DS2000 can display only one Math waveform at a time.

--- Quote ---with the option to display only Math-1, Math-2, Math3, Math4 (and not as an overlay).

--- End quote ---

No. If channel 1 or 2 are turned on (visible), they can be used as a source - if they're not visible, they can't be a source.

**EV**:

--- Quote from: marmad on May 15, 2013, 11:24:08 am ---- if they're not visible, they can't be a source.

--- End quote ---

Yes, but if you stop the scope you can turn the channels off and still see the math curve.

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