DIGPATTSEGM1DATA2 #1501011 | Agilent Technologies 660MHz instruction

Programming Reference

SCPI Instrument Command List

The instrument uses each byte of data set one Bit in the pattern memory. If you dont specify a particular channel, the lowest two bits of each byte are used to set all three channels, and the top six bits are ignored. Note that you can therefore use the ASCII characters 0,1,2 and 3, to program Outputs 1 and 2 in binary:

DATA									CH2	CH1
									OUTPUT2	OUTPUT1

ASCII			ignored				used

	D7 D6 D5 D4 D3 D2						D1 D0

0	0	0	1	1	0	0	0	0	0	0
1	0	0	1	1	0	0	0	1	0	1
2	0	0	1	1	0	0	1	0	1	0
3	0	0	1	1	0	0	1	1	1	1

:DIG:PATT:SEGM1:DATA2 #1501011

If you specify a particular channel, the least significant bit of each byte is used to set the selected channel, and the top seven bits are ignored. Note that you can therefore use the ASCII characters 1 and 0 to set individual bits to 1 and 0:

	DATA										CH2		CH1
											OUTPUT2		OUTPUT1

	ASCII			ignored						LSB

		D7 D6 D5 D4 D3 D2 D1								D0

	0	0	0	1	1	0	0	0		0	0		remains unchanged
	1	0	0	1	1	0	0	0		1	1		remains unchanged
Example
Example	:ARM:SOUR IMM								Set continuous mode
	:DIG:PATT:SEGM1:DATA1 #1501011 Set up pattern data for channel 1
	:DIG:PATT:SEGM1:LENG 5								Set pattern length (last bit) to 5
	:DIG:PATT ON								Switch on PATTERN mode

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Image 51

Agilent Technologies 660MHz, Agilent 81130A 400 manual DIGPATTSEGM1DATA2 #1501011

Contents

Reference Guide Front Panel Display and Softkeys Reference Guide Agilent 81130A 400/660 MHz Pulse/Data Generator Copyright Warranty Certification Limitation of WarrantyServices and Support Exclusive Remedies Environmental Conditions Safety SummaryBefore Applying Power General Do Not Remove the Instrument Cover Ground the InstrumentFuses Do Not Operate in an Explosive Atmosphere Protective earth ground terminal Manuals Safety Symbols About this Book Conventions Used in this Book Contents 105 Agilent 81130A Specifications102 103 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 Condition Register Transition FiltersEvent 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 Pulses ContinuousStarted Gated 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 Digpattloopleng DigpattDigpattprbs Segment 2 to Segment 4 set to all bits set to zero –1 Prbs on OutputData Segment See DIGPATTSEGM1DATA2 #1501011 32, 0, 0, 0 segment 1 = 32, segments 2, 3, and 4 = RestrictionsBe overwritten no undo DIGPATTSEGM1234TYPE12 DIGSIGN12FORM DIGitalSTIMulusPATTernUPDateUpdate the hardware with the new pattern data by sending a Pattern generating hardware following a Disp Directoryname QueryFiletype is always blank. a directory name has filesize = Event Mmemdel Only select a directory name within the current directoryFilename,A,copyname,A Directory of the current directory Mmemstorstat Mmeminit OFF OUTP12COMP CURR12 CORR12EDELayOutput signals are the same at the device-under-test –25.0 ns to +25.0 ns Amplitude Execute the SOURceHOLD CURRent command to enableCURR12OFFSet ∝A 50 Ω into 50 Ω Execute Sourcehold CURRent command to enable +10 mA 50 Ω into 50 ΩLow-level High-level –10 mA 50 Ω into 50 Ω8V Outputs 50 Ω into short max mA typical 0V Outputs 50 Ω into short max mA typical CURR12LIMSTAT –10.0 mA Agilent 81131A 1 kHz to 400 MHz Output limits cannot program the output-levels beyondHz with engineering prefixes, or MHZ for Megahertz 00 MHz Once Connector as the frequency source Trigsour EXTUse this command to enable either of the SOURceVOLTage or Freqauto PULSDCYC12 To 360 constrained by delay and period limitsProgramming the pulse phase also executes SOURcePULSeHOLD PHAS12 To 3.00 µs Specified limits 0.1 – 99.9%, depends on Width & Period PHAS2 180DEG Pulse-delay PULSDEL12UNIT PULSHOLD12Pulsper Agilent 81131A 2.5 ns to 1 ms Agilent 81132A 1.5 ns to 1 ms Programmed by this command. Note that the specified limitsAvailable resolution depend on the selected source Connector as the frequency source Trigsour EXT2 PULSTRAN12 PULSTRAN12UNIT Agilent 81131A 0.8 ns or 1.6 ns Trailing-edge = Leading-edge fixed coupledWithin the defined pulse-width PULSTRIG1MODE PULSTRIG1POSPULSTRIG1VOLT To set width as dutycycle use SOURcePULSeDCYCle12 Roscextfreq MHz, 2 MHz, 5 MHz or 10 MHz reference signal using Execute VOLT12Agilent 81131A 0.10 Vpp to 3.80 Vpp Agilent 81132A 0.10 Vpp to 2.50 Vpp VOLT12HIGH Execute the SOURceHOLD VOLTage command to enable VOLT12LOW +500 mV Hardware, this is a software limit–500 mV Limits are always enabled/disabled together Scpi Instrument Command List STATusPRESet Long STATusQUEStionableNTRansition STATusQUEStionableENABleSTATusQUEStionableEVENt? STATusQUEStionableCONDition? Systkey Message are put into the instruments output bufferReplaced with -350meaning Queue overflow Output example 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? Separator between the messages ActiveTrigcoun Burst Set by TRIGgerCOUNt. Changes of the number of pulses onChanges on the channels TRIGCOUNPULS1? ⇒ TRIGCOUN? ⇒ Triglevterm Output 1 or Output Command Trigsour Scpi Instrument Command List Warranted Performance Temperature81132A Used by the instrument Declaration of Conformity Specifications Maximum Dimensions H x W x D Agilent 81130A SpecificationsSafety Power requirements Weight Recalibration periodAcoustic Noise Emission Period & Frequency Delay Width100 Digital Channel Add Compensation for different cable delaysDeskew Transition Times Main Output Level Specifications External Clock/PLL Reference Input External Input 104 Specifications of EXT INPUT/CLK-IN REF Input Externally Started Externally GatedGenerate continuous pulses, bursts, or patterns Output Modes Specification of Trigger Output Burst Mode Patterns and Sequences107 Overprogramming Human Interface Function Code Help KeyNon-Volatile Memory Memory Card Programming Times All checks and display off110 Pulse Parameter Definitions Pulse Width Trigger DelayTime Reference Point Pulse Period Interchannel Delay Skew Pulse Delay Transition Time Linearity114 115 JitterStability Pulse Levels Preshoot, Overshoot, Ringing Settling Time116 Repeatability 118 119 Index 120 Scpi 121 122 Front Panel Controls