Agilent Technologies ESG Spezifikationen Seite 192

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3-10 Programming Guide
Remote Data Transfer ESG Family Signal Generators
ARB Waveform Data Downloads
Playing a Downloaded Waveform
The following commands are for waveforms downloaded to ARB memory.
1. Load and select the downloaded I and Q files for playback.
Via the Front Panel Interface: If you have downloaded the data to ARB memory, this
step is unnecessary because the files already reside in the playback memory. If the files
were downloaded to non-volatile ARB memory (NVARB) press
Mode > Arb Waveform
Generator
> Dual ARB > Select Waveform > Waveform Segments > Load Store, highlight the
downloaded file in the NVARB catalog and press
Load Segment From NVARB Memory.
This loads your downloaded data into ARB memory for playback. If the proper
waveform is not highlighted, use the cursor to highlight the waveform and press
Select
Waveform
. This selects the proper waveform for playback.
Via the Remote Interface: If you have downloaded the data to ARB memory, this step is
unnecessary because the files already reside in the playback memory. If the files were
downloaded to non-volatile ARB memory (NVARB) press send the following SCPI
commands:
[:SOURce]:RADio:ARB:WAVeform "ARBI:"<waveform name>""
[:SOURce]:RADio:ARB:WAVeform "ARBQ:"<waveform name>""
These commands load ARB memory with the I and Q files of your downloaded data.
This loads your downloaded data into ARB memory for playback.
2. Generate and output the waveform.
Via the Front Panel Interface: Press
ARB Off On until On is highlighted to generate the
waveform. If necessary, press
Mod On/Off until the display reads MOD ON (modulation
is set to on at preset) and
RF On/Off to activate the RF output (RF output is set to off at
instrument preset). The waveform is now modulating the carrier frequency at the RF
output.
60: Finds the number of digits in Nbytes.
65: Sends the I waveform SCPI download-to-ARBI command and the beginning of the
ASCII header for the data. The variable <name> is the waveform name that will be
used in the signal generator.
70 to 75: Sends the rest of the ASCII header.
80: Sends the binary data. Note that ESGb is the binary I/O path.
85: Sends an End-of-Line to terminate the transmission.
90 to 110: Executes same commands for the Q waveform. The variable <name> that appears in
program line 100 must be identical to that in program line 50.
115 to 120: Closes the connections to the signal generator.
125: End the program.
Program Comments (Continued)
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