Agilent Technologies CATalog?, Copy, Chapter, Agilent E1441A SCPI Command Reference

Comments • This command returns a value between “0” and “+1.0”, with “+1.0” indicating full amplitude available (100%).

•The maximum peak-to-peak amplitude will be limited if the data points do not span the full range of the output DAC (Digital-to- Analog Converter). For example, the built-in “SINC” waveform does not use the full range of values between ±1 and therefore its maximum peak-to-peak amplitude is 6.084 Vpp (into 50 ohms).

•If you query a waveform that is not currently stored in memory, a +785, “Specified arb waveform does not exist” error is generated.

:CATalog?

DATA:CATalog? lists the names of all waveforms currently downloaded to memory. Returns the names of the five built-in waveforms (non-volatile memory), “VOLATILE” if a waveform is currently downloaded to volatile memory, and all user-defined waveforms downloaded to non-volatile memory.

Comments • A series of quoted strings separated with commas is returned:

"SINC","NEG_RAMP","EXP_RISE","EXP_FALL", "CARDIAC","VOLATILE","ARB_1","ARB_2"

•Use the DATA:DEL command to delete the waveform in VOLATILE memory or any of the user-defined waveforms in non-volatile memory.

:COPY

DATA:COPY <destination arb name> [,VOLATILE] copies the waveform from volatile memory to the specified name in non-volatile memory.

The source to be copied is always the waveform in “VOLATILE” memory and the "copy to" destination is always in non-VOLATILE memory. You cannot copy to VOLATILE memory. Therefore, the VOLATILE parameter is optional and can be omitted.

Parameters • The arb name may contain up to 8 characters. The first character must be a letter (A-Z), but the remaining characters can be numbers (0-9) or the underscore character (“ _ ”). Blank spaces are not allowed. If you specify a name with more than 8 characters, a +783, “Arb waveform name too long” error is generated.

•The function generator does not distinguish between upper- and lower-case letters for the arbitrary waveform name. Therefore, ARB_1 and arb_1 are the same name. All characters are converted to upper case.

Comments • The following built-in waveform names are reserved and cannot be used with the DATA:COPY command: SINC, NEG_RAMP, EXP_RISE, EXP_FALL, and

Chapter 3 Agilent E1441A SCPI Command Reference 81