Agilent Technologies 81134A Servisní příručka Strana 50

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SCPI Commands Reference SOURce Commands
50 Agilent 81133A/81134A Pulse Generator Programming Guide, March 2007
[:SOURce]:FUNCtion[:SHAPe]
Syntax
[:SOUR]:FUNC[:SHAP][?]
Form Set & Query
Description Defines the main mode of the signal to be generated
(pulse/pattern, burst, or repetitive burst mode).
Parameter PATTern|BURSt, <numeric>|RBURSt, <numeric>, <numeric>
•PATTern
In this mode, each channel can be set independently to generate:
Square waves of fixed width
Pulses with selectable width or duty cycle
Data in either RZ, R1 or NRZ format
Pseudo random bit stream (PRBS) polynomials
To generate these signals, use “[:SOURce]:FUNCtion:MODe[1|2]”
on page 51.
• BURSt, <number of repeated data>
This mode enables you to generate a burst consisting of data
repeated n times followed by continuous zero data.
*RST value: 1
• RBURSt, <number of repeated data>, <p>
This mode enables you to generate a repeated burst consisting of
data repeated n times. A pause of zeros is inserted between two
successive bursts. The pause of zeros is calculated by:
Length of the pause = Burst Length × p
*RST values: 4, 4
*RST value PATT
Example Generate a burst of data repeated 5 times:
:FUNC BURSt, 5
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