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Agilent 81101A 50 MHz Pulse Generator
Reference Guide
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Front Panel Display and Softkeys Mode / Parameter Area Modify / Enter Area Use the KNOB to select a Use the CURSOR keys to move mode or modify parameters the entry focus to a mode, and formats Entry Focus parameter format, or Press ENTER or a UNIT key to parameter value confirm parameter changes Per 1.000mmmm s Normal OFF MODIFY 1 Delay 0ps Offset +0.0mV*OFF Width 100.0ns Amplit 1.00V ON LeadE 5.00ns 50WWWW into 50.0WWWW TraiE =LeadE MODE/TRG OUTPUT LIMITS TRG-LEV GRAPH MORE Press a SOFT
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Reference Guide Agilent 81101A 50 MHz Pulse Generator Part No. 81101-91021 Printed in Germany March 2000 Edition 1.0, E0300
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Notice Notice Copyright 1998 Agilent Technologies 1998, 2000. All rights reserved. No part of this manual may be reproduced in any form or by any means (including electronic storage and retrieval or translation into a foreign language) without prior agreement and written consent from Agilent Technologies Inc. as governed by United States and international copyright laws. Notice The material contained in this document is subject to change without notice. Agilent Technologies makes no war
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Notice Agilent Technologies warrants that its software and firmware designated by Agilent Technologies for use with an instrument will execute its programming instructions when properly installed on that instrument. Agilent Technologies does not warrant that the operation of the instrument software, or firmware, will be uninterrupted or error free. Limitation of Warranty The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by the Buyer, Buy
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Safety Summary Safety Summary The following general safety precautions must be observed during all phases of operation of this instrument. Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design, manufacture, and intended use of the instrument. Agilent Technologies Inc. assumes no liability for the customer's failure to comply with these requirements. General This product is a Safety Class 1 instrument (provided with a
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Safety Summary Ground the Instrument To minimize shock hazard, the instrument chassis and cover must be connected to an electrical protective earth ground. The instrument must be connected to the ac power mains through a grounded power cable, with the ground wire firmly connected to an electrical ground (safety ground) at the power outlet. Any interruption of the protective (grounding) conductor or disconnection of the protective earth terminal will cause a potential shock hazard that coul
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Safety Summary Safety Symbols Caution (refer to accompanying documents) Protective earth (ground) terminal In the manuals: WARNING The WARNING sign denotes a hazard. It calls attention to a procedure, practice, or the like, which, if not correctly performed or adhered to, could result in personal injury. Do not proceed beyond a WARNING sign until the indicated conditions are fully understood and met. CAUTION The CAUTION sign denotes a hazard. It calls attention to an operating procedure, or
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About this Book About this Book This guide provides reference information primarily for programming the Agilent 81101A via remote control. Chapter 1 “General Programming Aspects” on page 13 gives general hints for programming instruments like the Agilent 81101A using SCPI commands. Chapter 2 “Programming Reference” on page 25 provides detailed information on the SCPI commands supported by the instrument. Chapter 3 “Specifications” on page 89 lists the instrument’s technical specifications a
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About this Book Conventions Used in this Book This book uses certain conventions to indicate elements of the Agilent 81101A’s user interface. The following table shows some examples: Softkeys Press the MODE/TRG softkey to access the Mode/ Trigger screen. Hardkeys Press the MORE key to switch to the alternative softkey layout. Alternate Keys Press SHIFT + 0 (ON/OFF) to switch on the output. The alternate key label—which is selected by pressing the SHIFT key—is given in parentheses. Screen Quo
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Contents Notice ......................................................................................... 4 Safety Summary ......................................................................... 6 About this Book ......................................................................... 9 Chapter 1 General Programming Aspects The GP-IB Interface Bus ......................................................... 14 Agilent 81101A Remote Control ............................................ 15 Programm
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Contents Agilent 81101A Specifications ............................................... 91 General ................................................................................................... 91 Timing Specifications ........................................................................... 93 Level Specifications .............................................................................. 96 Clock Sources .................................................................................
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1General Programming 1 Aspects This chapter provides general information on writing GP-IB/SCPI programs for instruments like the Agilent 81101A. Detailed information on programming the Agilent 81101A can be found in Chapter 2 “Programming Reference” on page 25. 13
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General Programming Aspects The GP-IB Interface Bus The GP-IB Interface Bus The General Purpose Interface Bus is the interface used for communication between a controller and an external device, such as the Agilent 81130A. The GPIB conforms to IEEE standard 488-1987, ANSI standard MC 1.1, and IEC recommendation 625-1. If you are not familiar with the GPIB, please refer to the following books: • The Institute of Electrical and Electronic Engineers: IEEE Standard 488.1-1987, IEEE Standard Dig
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General Programming Aspects Agilent 81101A Remote Control Agilent 81101A Remote Control GP-IB Address You can only set the GP-IB address from the front panel of the instrument (refer to the Quick Start Guide). The default GP-IB address is 10. Modes of The Agilent 81101A has two modes of operation: Operation • Local The instrument is operated using the front panel keys. • Remote After receiving the first command or query via the GP-IB, the instrument is put into remote state. The front panel
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General Programming Aspects Programming Recommendations Programming Recommendations Here are some recommendations for programming the instrument: • Start programming from the default setting. The common command for setting the default setting is: *RST • Switch off the automatic update of the display to increase the programming speed. The device command for switching off the display is: :DISPlay OFF • The SCPI standard defines a long and a short form of the commands. For fast programming
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General Programming Aspects Programming Recommendations When you have found the correct setting, then use this to create the program. In the program it is recommended to send the command for enabling outputs (for example, :OUTPut ON) as the last command. With this procedure it is possible to switch off the error check system (:SYSTem:CHECk OFF) to increase programming speed. The error check is enabled again by sending *RST. *RST # set default settings :DISP OFF # switch off display update
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General Programming Aspects Common Command Summary Common Command Summary This table summarizes the IEEE 488.2 common commands supported by the Agilent 81101A: Command Parameter Description *CLS – Clear the status structure *ESE <0–255> Set the Standard Event Status register mask *ESE? – Read the state of the Standard Event Status enable register *ESR? – Read the state of the Standard Event Status event register *IDN? – Read the Instrument's Identification string *LRN? – Read the complete Instr
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General Programming Aspects Status Model Status Model QUESTIONABLE STATUS Voltage Warning 0 Current Warning 1 Timing Warning 2 3 4 Frequency Warning 5 6 7 8 Status 9 Byte 15 0 1 OPERation Status 2 (NOT USED) 0 3 1 MAV 4 2 5 3 SRQ 6 4 7 5 6 7 8 9 15 Standard Event Status Operation Complete 0 1 Query Error 2 Device Dependent Error 3 Execution Error 4 Command Error 5 6 Power On 7 The instrument has a status reporting system conforming to IEEE 488.2 and SCPI. The above figure shows the status grou
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General Programming Aspects Status Model Condition Transition Event Enable Register Filters Register Register Summary Bit OR Hardware and Firmware condition 1 1 Latched 0 0 PTR NTR Condition Register A condition register contains the current status of the hardware and firmware. It is continuously updated and is not latched or buffered. You can only read condition registers. If there is no command to read the condition register of a particular status group, then it is simply invisible to
