–1 Prbs on Output, Data, Segment | Agilent Technologies 660MHz

				Programming Reference
				SCPI Instrument Command List
Example	To set up a repeating 2	10	1 PRBS on OUTPUT 1:
	To set up a repeating 2		1 PRBS on OUTPUT 1:
	:ARM:SOUR IMM			Set continuous mode
	:DIG:PATT:SEGM1:LENG 1023			Set segment 1 pattern length (last
				bit) to 1023
	:DIG:PATT:SEGM2:LENG 0			Set segment 2 to be ignored
	:DIG:PATT:SEGM3:LENG 0			Set segment 3 to be ignored
	:DIG:PATT:SEGM4:LENG 0			Set segment 4 to be ignored
	:DIG:PATT:SEGM1:TYPE1 PRBS			Set type of segment 1 on channel 1
				to PRBS
	:DIG:PATT:LOOP 1			Disable segment looping
	:DIG:PATT:PRBS 10			Set PRBS base to 10
	:DIG:PATT ON			Switch on PATTERN mode

Command	:DIG:PATT:SEGM[1234]:DATA[12]
Long	:DIGital[:STIMulus]:PATTern:SEGMent[1234]:DATA[12]
Form	Set & Query
Parameter	<data>
*RST value	Segment 1

	Channel
	[12]	Description	Bit 1	Bit 2

	1	CH1 (OUTPUT 1)	1	0
	2	CH2 (OUTPUT 2)	0	1

Segment 2 to Segment 4 set to all bits set to zero.

49

Image 49

Agilent Technologies 660MHz manual –1 Prbs on Output, Data, Segment 2 to Segment 4 set to all bits set to zero

Contents

Reference Guide Front Panel Display and Softkeys Reference Guide Agilent 81130A 400/660 MHz Pulse/Data Generator Copyright Warranty Services and Support Limitation of WarrantyExclusive Remedies Certification Before Applying Power Safety SummaryGeneral Environmental Conditions Fuses Ground the InstrumentDo Not Operate in an Explosive Atmosphere Do Not Remove the Instrument Cover Protective earth ground terminal Manuals Safety Symbols About this Book Conventions Used in this Book Contents 102 Agilent 81130A Specifications103 105 General Programming Aspects General Programming Aspects GP-IB Interface Bus Agilent 81130A Remote Control DISPlay OFF Programming Recommendations OPC? Common Command Summary Questionable Status Status Model Transition Filters Condition RegisterEvent Register NTR PTR Enable Register Standard Event Status Group Status Byte OPERation Status Group QUEStionable Status Group Programming Reference Programming Reference Agilent 81130A Scpi Command Summary DIGital Copy High Hold SOURce ROSCillator STATus OPERation EVENt? KEY Parameter RST, Default Values Default Values, Standard Settings Load TTL TRIGger COUNt PULSes LEVel TERMination SOURce Programming the Instrument Trigger Modes Started ContinuousGated Pulses Pattern Burst Started Manually Starting and Gating Scpi Instrument Command List Armmode Armlevterm Armsour Armsens Output 2 can be used in parallel Instrument with two Output channels installed To setup an infinite loop over segment 2 to segment Use this command to set up a counted loop across one or more See previous example Use this command to set up the destination segment Digpatt DigpattlooplengDigpattprbs Data –1 Prbs on OutputSegment Segment 2 to Segment 4 set to all bits set to zero See DIGPATTSEGM1DATA2 #1501011 Restrictions 32, 0, 0, 0 segment 1 = 32, segments 2, 3, and 4 =Be overwritten no undo DIGPATTSEGM1234TYPE12 Update the hardware with the new pattern data by sending a DIGitalSTIMulusPATTernUPDatePattern generating hardware following a DIGSIGN12FORM Disp Filetype is always blank. a directory name has filesize = QueryEvent Directoryname Filename,A,copyname,A Only select a directory name within the current directoryDirectory of the current directory Mmemdel Mmemstorstat Mmeminit OFF OUTP12COMP Output signals are the same at the device-under-test CORR12EDELay–25.0 ns to +25.0 ns CURR12 CURR12OFFSet Execute the SOURceHOLD CURRent command to enable∝A 50 Ω into 50 Ω Amplitude +10 mA 50 Ω into 50 Ω Execute Sourcehold CURRent command to enableLow-level 8V Outputs 50 Ω into short max mA typical –10 mA 50 Ω into 50 Ω0V Outputs 50 Ω into short max mA typical High-level CURR12LIMSTAT –10.0 mA Hz with engineering prefixes, or MHZ for Megahertz Output limits cannot program the output-levels beyond00 MHz Agilent 81131A 1 kHz to 400 MHz Use this command to enable either of the SOURceVOLTage or Connector as the frequency source Trigsour EXTFreqauto Once Programming the pulse phase also executes SOURcePULSeHOLD To 360 constrained by delay and period limitsPHAS12 PULSDCYC12 To 3.00 µs Specified limits 0.1 – 99.9%, depends on Width & Period PHAS2 180DEG Pulse-delay PULSHOLD12 PULSDEL12UNITPulsper Available resolution depend on the selected source Programmed by this command. Note that the specified limitsConnector as the frequency source Trigsour EXT2 Agilent 81131A 2.5 ns to 1 ms Agilent 81132A 1.5 ns to 1 ms PULSTRAN12 PULSTRAN12UNIT Trailing-edge = Leading-edge fixed coupled Agilent 81131A 0.8 ns or 1.6 nsWithin the defined pulse-width PULSTRIG1POS PULSTRIG1MODEPULSTRIG1VOLT To set width as dutycycle use SOURcePULSeDCYCle12 Roscextfreq MHz, 2 MHz, 5 MHz or 10 MHz reference signal using Agilent 81131A 0.10 Vpp to 3.80 Vpp VOLT12Agilent 81132A 0.10 Vpp to 2.50 Vpp Execute VOLT12HIGH Execute the SOURceHOLD VOLTage command to enable VOLT12LOW Hardware, this is a software limit +500 mV–500 mV Limits are always enabled/disabled together Scpi Instrument Command List STATusPRESet Long STATusQUEStionableEVENt? STATusQUEStionableENABleSTATusQUEStionableCONDition? STATusQUEStionableNTRansition Replaced with -350meaning Queue overflow Message are put into the instruments output bufferOutput example Systkey Key Description Scpi Instrument Command List Specified limits Systkey 19 sets the instrument to Local mode Emptied by *RST and returns the value -1 when empty Systsec Systpres SYSTVERS? Active Separator between the messagesTrigcoun Set by TRIGgerCOUNt. Changes of the number of pulses on BurstChanges on the channels TRIGCOUNPULS1? ⇒ TRIGCOUN? ⇒ Triglevterm Output 1 or Output Command Trigsour Scpi Instrument Command List 81132A TemperatureUsed by the instrument Warranted Performance Declaration of Conformity Specifications Safety Agilent 81130A SpecificationsPower requirements Maximum Dimensions H x W x D Recalibration period WeightAcoustic Noise Emission Period & Frequency Width Delay100 Deskew Compensation for different cable delaysTransition Times Digital Channel Add Main Output Level Specifications External Clock/PLL Reference Input External Input 104 Specifications of EXT INPUT/CLK-IN REF Input Externally Gated Externally StartedGenerate continuous pulses, bursts, or patterns Output Modes Specification of Trigger Output Patterns and Sequences Burst Mode107 Overprogramming Human Interface Non-Volatile Memory Help KeyMemory Card Function Code All checks and display off Programming Times110 Pulse Parameter Definitions Time Reference Point Trigger DelayPulse Period Pulse Width Interchannel Delay Skew Pulse Delay Linearity Transition Time114 Stability JitterPulse Levels 115 Settling Time Preshoot, Overshoot, Ringing116 Repeatability 118 119 Index 120 Scpi 121 122 Front Panel Controls