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Using The Instrument 3-7
Selecting an Output
Function Type
Use the following command to select the output function type:
FUNCtion:MODE {FIXed | USER | SEQuence}
When "FIXed" is selected, the synthesizer outputs the standard
waveform currently selected by the FUNC:SHAP command. When
"USER" is selected, the synthesizer outputs the arbitrary waveform
currently selected by the TRAC:SEL command. When "SEQuence"
is selected, the synthesizer outputs the sequence that is
programmed using the SEQ:DEF command.
The query:
FUNCtion:MODE?
queries the output function type and returns either FIX, USER or
SEQ.
Selecting a Standard
Function Shape
Use the following command to select a standard output function:
FUNCtion:SHAPe {SINusoid | TRIangle | SQUare |
PULSe| RAMP | SINC | EXPonential | GAUSsian | DC}
The selected waveform is output using the previously selected
frequency, amplitude, offset, and other relevant settings. The
standard waveform will be output only after the FUNC:MODE:FIX
command is selected.
The query:
FUNCtion:SHAPe?
queries the standard function shape and returns either SIN, TRI,
SQU, PULS, RAMP, SINC, EXP, GAUS or DC.
Changing the
Frequency and
Sample Clock
Use the following command to change the frequency for standard
waveforms and sample clock for arbitrary waveforms:
FREQuency {<frequency> | MINimum | MAXimum}
MIN selects the lowest frequency allowed for the currently active
function. MAX selects the highest frequency allowed for the
currently active function. The default frequency setting is 1 MHz for
all functions.
The query:
FREQuency?
queries the frequency setting for the standard function currently
active and returns a value in hertz.
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