Agilent Technologies E4438C Manuál s instrukcemi stáhnout pdf (Strana 166)

Downloading and Using Files

ARB Waveform Data Downloads

Chapter 4160

Playing a Downloaded Waveform

The following procedure shows you how to load and play a downloaded waveform file, using

front panel key presses and remote commands.

1. Select the downloaded waveform file in non-volatile waveform memory (NVWFM) and load

it into volatile waveform memory (WFM1). The file consists of both IQ and marker file

data, and therefore, requires two SCPI commands when loaded remotely.

Via the front panel:

a. Press

Mode > Dual ARB > Select Waveform > Waveform Segments > Load Store until Load

is highlighted.

b. Highlight the waveform file in the NVWFM catalog using the arrow keys or front panel

knob.

c. Press

Load Segment From NVWFM Memory. If the waveform is not highlighted, use the

cursor to highlight the waveform.

Via the remote interface, send the following SCPI commands:

:MEMory:COPY[NAME]"<NVWFM:file_name>","<WFM1:file_name>"

:MEMory:COPY[NAME]"<NVMKR:file_name>","<WFM1:file_name>"

2. Select the downloaded waveform file in volatile waveform memory for playback.

Via the front panel:

Press

Mode > Dual ARB > Select Waveform > Select Waveform .

Via the remote interface send the following SCPI command:

[:SOURce}:RADio:ARB:WAVeform "WFM1:<file_name>"

3. Play the waveform and use it to modulate the RF carrier.

Via the front panel:

a. Press

ARB Off On until On is highlighted.

b. Press

Mod On/Off until the MOD ON annunciator appears on the display.

c. Press

RF On/Off until the RF On annunciator appears on the display.

Via the remote interface, send the following SCPI commands:

[:SOURce]:RADio:ARB[:STATe] ON

:OUTPut:MODulation[:STATe] ON

:OUTPut[:STATe] ON

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Agilent Technologies E4438C Manuál s instrukcemi Strana 166