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HP 34811A User's Manual

1. Type Parameters Default Range Data points 2000 8 to 16000 Amplitude 1 00 0 00 to 1 00 Ramp Wave Offset 0 00 1 00 to 1 00 Cycles 1 00 1 00 to 100 00 Phase degrees 0 00 0 00 to 360 00 Data Points 2000 8 to 16000 Amplitude 1 00 0 00 to 1 00 o Offset 0 00 1 00 to 1 00 m m Cycles 1 00 1 00 to 100 00 Phase degrees 0 00 0 00 to 360 00 Zero Crossings 10 0 to 100 Data Points 2000 8 to 16000 Amplitude 1 00 0 00 to 1 00 Exponential Rise Offset 0 00 1 00 to 1 00 va Cycles 1 00 1 00 to 100 00 Phase degrees 0 00 0 00 to 360 00 Damping Factor 5 00 15 00 to 15 00 Data Points 2000 8 to 16000 Amplitude 1 00 0 00 to 1 00 Ezponenriak Fall Offset 0 00 1 00 to 1 00 ve Cycles 1 00 1 00 to 100 00 Phase degrees 0 00 0 00 to 360 00 Damping Factor 5 00 15 00 to 15 00 Data Points 2000 8 to 16000 Noise Amplitude 1 00 0 00 to 1 00 Offset 0 00 1 00 to 1 00 DC Data Points 2000 8 to 16000 Offset 0 00 1 00 to 1 00 51 Chapter 4 Feature and Function Reference Waveform Edit Windows Waveform Edit Windows Waveforms created in HP BenchLink Arb are displayed in waveform edit windows Waveforms consist of one or more segments which can be created by inserting standard waveshapes freehand drawing line drawing and performing mathematical operations Segments can be combined to create virtually any waveform you may need Standard waveshape segments can be inserted in the waveform edit wi
2. User s Guide Part Number 34811 90001 January 1994 For Warranty and Regulatory information see the pages behind the Index Copyright Hewlett Packard Company 1994 All Rights Reserved HP 34811A BenchLink Software The HP 34811A BenchLink Software HP BenchLink Arb package provides a communication link between a personal computer PC and the HP 33120A Function Arbitrary Waveform Generator function generator HP BenchLink Arb allows you to create and edit waveforms in a Windows environment before transferring them to the function generator HP BenchLink Arb s key functions are e Create and edit arbitrary waveforms up to 16 000 points in length e Combine waveforms using mathematical operators including add subtract and multiply e Perform other mathematical operations such as clip absolute invert mirror smooth and resize e Import X Y time voltage pair waveforms from Mathcad and other BenchLink applications such as HP 34810A BenchLink Scope e Copy waveforms as a bitmap to paste into other applications e Transfer waveforms to the HP 33120A function generator e Save waveforms to a file for later use HP 34811A BenchLink Software Ctrl C CANCEL b setup Conventions Used in this Guide Throughout this guide the following typeface and icon conventions are maintained to improve readability and enable you to quickly find the information you need Italics are used to indicate a hot key
3. windows system directory Names This file already exists Replace existing file This instrument is not supported by HP BenchLink Arb and no other application was associated with this instrument Type Error Message Error Message Error Message Information Message Error Message Error Message Error Message Suggested Action This error message indicates HP BenchLink Arb cannot find an attached function generator If you are using RS 232 be sure the correct 9 or 25 pin cables have been used the function generator is powered on and the RS 232 settings of the function generator match the settings in the Setup Interface Settings dialog box If you are using HP IB ensure that the cables are securely fastened and the function generator is turned on Also verify that the function generator interface is set to HP IB This error message indicates the selected waveform cannot be pasted without exceeding the maximum number of points allowed in an HP BenchLink Arb waveform edit window 16 000 Click OK and select a smaller waveform or open another window to paste the waveform into This error message indicates the number entered in the text box is not acceptable Change the number to a valid one and click OK This information message indicates that the specified window you wish to close is new or has been changed Click YES to save the waveform information NO to delete it or CANCEL to cancel the comma
4. Windows and HP BenchLink Arb 11 Chapter 1 Installation To Remove HP BenchLink Arb To Remove HP BenchLink Arb To remove the HP BenchLink Arb program from your computer hard disk Delete all the files in the directory containing HP BenchLink Arb the default directory is BENCH CAUTION If you have other HP BenchLink applications i e HP BenchLink Scope and delete all the files in the BENCH directory you will also delete the other applications Check the READBLA WRI file for a list of files installed by HP BenchLink Arb Delete the BENCH directory Delete all files with the ARB extension Use Windows File Manager to search your hard disk for these files Delete the BENCHLNK INI file from the Windows directory CAUTION Do not delete this file if you have other BenchLink applications Delete the BenchLink program group and all icons from the Windows Program Manager CAUTION You may also delete all files with the PRN or CSV extension if you are sure these files are not used by another application Use the Windows File Manager to search for these files 12 Quick Start Chapter 2 Quick Start HP BenchLink Arb Components This chapter provides an overview of HP BenchLink Arb and gives a few exercises to help you get started using the software This chapter does not describe all the features and functions of HP BenchLink Arb Chapter 4 describes the features and functions
5. clear and select Also contains commands for marker display and control View Menu contains commands for zooming grid preference connecting the dots tick marks and viewing the waveform edit windows in high resolution mode Waveforms Menu contains commands for inserting standard waveshapes such as sine square and triangle and commands for freehand and line drawing modes Math Menu contains commands for mathematical operations such as add subtract multiply clip absolute invert mirror smooth and resize I O Menu contains a command for sending the contents of the waveform edit window to the function generator Options Menu contains a command for configuring the PC to function generator interface Window Menu contains commands for standard Windows operations such as cascade tile arrange icons and the viewing of the Toolbar Status Bar Palette Bar and the Wave View window Help Menu contains commands for the HP BenchLink Arb Help system including an index search capability a help system tutorial and information about the HP BenchLink Arb application 46 a C HP33120A lt 710 gt E Ec E S E e E Chapter 4 Feature and Function Reference HP BenchLink Arb Screen Components Toolbar The Toolbar contains icons for quick display of dialog boxes and rapid execution of HP BenchLink Arb commands The following icons are displayed in the Toolbar Performs the File New command P
6. selecting an HP 54602A will switch to the HP BenchLink Scope application If the application is not already running HP BenchLink Arb will load the application A warning dialog is displayed if the instrument selected is not supported or the application could not be found 64 Error and Information Messages Chapter 6 Error and Information Messages This chapter lists error and information messages to assist you in the operation of HP BenchLink Arb The words in bold type are the message content The type of message is indicated in the middle column and is followed by the explanation and or suggested action to be taken Number or name indicates that there is more than one number or name that can appear in the message Message Couldn t start application name exe Expected instrument not found Found a name at address number Instrument address or controller settings do not match initialization file Do you want to change interface settings now Instrument at address number not responding Interface timed out sending name Try again Type Error Message Error Message Information Message Information Message Error Message Error Message Suggested Action This error message indicates HP BenchLink Arb could not find an application corresponding to the instrument selected from the Toolbar Instrument list If the instrument is supported by a BenchLink family software product try starting t
7. 69 WARRANTY A copy of the specific warranty terms applicable to your Hewlett Packard product and replacement parts can be obtained from your local Sales and Service Office EXCLUSIVE REMEDIES THE REMEDIES PROVIDED HEREIN ARE BUYER S SOLE AND EXCLUSIVE REMEDIES HP SHALL NOT BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER BASED ON CONTRACT TORT OR ANY OTHER LEGAL THEORY NOTICE The information contained in this document is subject to change without notice HEWLETT PACKARD HP MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE HP shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material This document contains proprietary information which is protected by copyright All rights are reserved No part of this document may be photocopied reproduced or translated to another language without the prior written consent of Hewlett Packard Company HP assumes no responsibility for the use or reliability of its software on equipment that is not furnished by HP Restricted Rights Legend Use duplication or disclosure by the Government is subject to restrictions as set forth in subdivision b 3 ii of the Rights in Technical Data and Computer Software clause at 52 227 7013 Hewlett P
8. HP BenchLink Arb with ARB CSV PRN or BIN file extensions The ARB file format is a binary format used by HP BenchLink Arb The CSV file format contains point amplitude pairs separated by a comma The PRN file format contains point amplitude pairs separated by a tab The BIN format is IEEE 488 2 binary block format Files saved in the point amplitude pair formats can be opened in other applications for plotting or further manipulation To save an untitled arbitrary waveform 1 Select File Save as from the Menu Bar or click on the file Save icon The Save As dialog box will appear File Name Directories c amp gt bench Save File as Type Drives Waveform Data 0 E 2 Select the desired file format type by clicking on the SAVE FILE AS TYPE drop down list and click on your choice of ARB CSV PRN or BIN 3 Enter the desired filename and click the OK button to save the file to disk If you attempt to exit HP BenchLink Arb without saving the new or modified waveform edit window you will be prompted to do so before exiting the application 41 Chapter 3 Using HP BenchLink Arb Using HP BenchLink Arb Help Using HP BenchLink Arb Help HP BenchLink Arb provides an extensive easy to use context sensitive help system Help is available to guide you through the use of dialog boxes and to explain the function of menu commands HP BenchLink Arb help is accessed by selecting Help Index fro
9. To select the entire waveform multiple segments choose Edit Select All from the Menu Bar or hold the SHIFT key and double click in the waveform edit window You can also use markers to confine the editing area or to alter standard waveshape segments when using freehand or line drawing mode Enable the X and or Y markers by clicking the appropriate icon or select them from the Edit menu Use the Edit Set Thumbtacks command or click the Set Thumbtacks icon to hold the markers in specific locations Modifying Standard Waveshape Segments To modify existing standard waveshape segments double click on the desired segment This will display the Edit Segment dialog box allowing you to change any characteristics of the selected segment Changes are displayed immediately in the waveform edit window Click OK when you have finished making changes When standard waveshape segments have been modified by applying math operations or cutting and pasting parts of them they become arbitrary segments and will display the Resize Data dialog box when double clicked Segments created by freehand or line drawing are considered arbitrary and double clicking them produces the Resize Data dialog box A noise segment is always arbitrary and displays the Resize Data dialog box when double clicked 29 E uw Chapter 3 Using HP BenchLink Arb Editing a Waveform Using the Clipboard To cut a portion of a waveform or an entire segme
10. Waveforms Because of this relative amplitude scaling it is possible to create waveforms that contain unintentional dc offsets Consider a square wave that ranges from 1 to 0 5 If this waveform is sent to the function generator with a specified output voltage of 1 V peak to peak the square wave will not be centered around 0 V but will have an apparent 0 5 Volt dc offset The 1 relative amplitude will be scaled to 0 75 V and the 0 5 relative amplitude will be scaled to 0 25 V Where possible your waveforms should range from 1 to 1 in the waveform edit window HP BenchLink Arb contains a special function to allow you expand the Y values to the maximum The Y values of the starting and ending points in your waveform can also cause unexpected discontinuities if they are not the same value The function generator output will jump from the ending value to the starting value each cycle For a smooth waveform output be sure the starting and ending values are the same Small discontinuities within the waveform can be removed by smoothing the waveform These discontinuities are common with waveforms created by freehand or line drawing modes HP BenchLink Arb provides a special smoothing function for this purpose 25 Chapter 3 Using HP BenchLink Arb Creating Waveforms Creating Waveforms Waveforms consist of one or more segments of X and Y points which can be created in HP BenchLink Arb in a number of ways including d
11. by selecting the waveform and clicking the DELETE button 39 Chapter 3 Using HP BenchLink Arb Printing Waveforms Printing Waveforms Waveforms can be printed when actively displayed in HP BenchLink Arb The waveform does not have to be a saved file to be printed i e it can be an untitled window If more than one waveform edit window is open ensure the window you want to print is the active window by clicking on it with your mouse Select File Print from the Menu Bar or click the Print icon The Print dialog box is displayed You may change printer setup information by clicking the SETUP button Click the OK button to start the print process or choose CANCEL to abort the print process Printer Default Printer HP LaserJet 474M Print Range Cancel Cx Selection D Pages From n Io mo Her Print Quality Copies 1 O Collate Copies Printer information such as default printer orientation and paper size can be selected in the File Print Setup dialog box Waveform edit windows can be previewed before printing by choosing the File Print Preview command from the Menu Bar This feature allows you to verify your output and make any necessary changes before printing Print preview shows layout of the page and does not represent the true resolution of the printout 40 Chapter 3 Using HP BenchLink Arb Saving Waveforms Saving Waveforms Arbitrary waveforms can be saved from
12. in detail in the HP 33120A User s Guide e Check the error messages contained in Chapter 6 e Ifyour PC is configured to use extended memory management such as EMM386 EXE and you are using a Hewlett Packard HP IB Interface card you must ensure that the memory management does not conflict with the interface card The installation section of your HP IB interface card user s manual describes configurations to avoid this problem e Ifyou are using an IEEE 488 Interface card ensure you have correctly installed the interface software before running HP BenchLink Arb Either an HPIB DLL or GPIB DLL file must be located in your HP BenchLink Arb directory the Windows directory or a directory included in the PATH command in your AUTOEXEC BAT file For specific details refer to your IEEE 488 Interface card installation guide To Change the HP BenchLink Arb Icon You can change the HP BenchLink Arb icon appearance in the BenchLink program group Click the HP BenchLink Arb icon in the BenchLink program group to select it do not start the application Select FILE PROPERTIES in the Windows program manager menu bar The Program Item Properties dialog box is displayed Program Item Properties Description BenchLink Arb Command Line c bench bl_arb EXE Cancel Working Directoy Shortcut Key None Lem KS C Run Minimized Change Icon 10 Chapter 1 Installation Freeing Disk Space 3 Click the CHANGE ICON butt
13. is reduced to 0 5 and the segment is highlighted Expand the arbitrary waveform to fill the waveform edit window Click on the Math menu choice and then Expand to Fit in the drop down menu Untitled Waveform Datal 1600 3200 4800 6400 8000 9600 11200 12800 14400 16000 The waveform is expanded to fill all 16 000 data points The waveform fills the entire window and is now considered arbitrary you cannot edit the sine wave or triangle wave segments independently 19 Chapter 2 Quick Start To Create Save and Output an Arbitrary Waveform Save the new waveform by clicking the Save icon The Save As dialog box appears File Name Directories c bench CA bench samples Save File as Type Waveform Dato ab 2 Type the name wavel arb in the FILE NAME text box and click OK The waveform edit window name changes to reflect the file name WAVE1 ARB 3200 4800 6400 8000 9600 11200 12800 14400 16000 20 Chapter 2 Quick Start To Create Save and Output an Arbitrary Waveform Send the new waveform to the function generator Click the VO menu option and then Send Waveform from the drop down menu or click the Send Waveform icon The Send Waveform dialog box appears Change the AMPLITUDE value to 1 0 and click OK The waveform is sent to the function generator The function generator will output the new wave
14. shortcut to perform a task or to give some useful information The Toolbar Palette Bar and some paragraphs in this guide contain icons to represent an action This typeface is used to indicate the label on a button or other control This typeface indicates that input from the keyboard can be typed literally or indicates a menu command to be selected For example Type b setup or Select File Open from the Menu Bar File Open is separated by a bar because you must first select the File menu then select Open Recommended Reading This guide assumes that you have some experience using Microsoft Windows If you don t know how to use the basic features of Windows or are unfamiliar with terms such as click double click resizing and dragging you may want to consult your Microsoft Windows User s Guide If you are new to the HP 33120A Function Arbitrary Waveform Generator please read your user s guide before using HP BenchLink Arb The READBLA WRI file This file contains up to date information about the HP BenchLink Arb application It is installed as an icon in the BenchLink program group during installation Double click the icon to view the contents of the file In This Book Chapter 1 Installation describes how to install HP BenchLink Arb and configure your instrument for operation Chapter 2 Quick Start describes how to start the software and provides a brief exercise to help you get started usi
15. windows can be displayed at one time All new window title bars contain the word Untitled and a number When the windows are saved Untitled is changed to the name of the file The total number of points in each waveform must be a minimum of 8 points and cannot exceed 16 000 points Waveform Edit windows can be maximized reduced to an icon cascaded or tiled If HP BenchLink Arb is reduced to an icon any waveform edit windows will also be reduced to an icon Wave View Window The Wave View window allows you to view the entire waveform while you are creating and editing individual segments in the active waveform edit window Any changes made to the waveform will be reflected in the Wave View window For convenience the window can be placed anywhere on your computer screen The Wave View window contains a sampled representation of the waveform and as such cannot display every waveform detail Rather than a precise rendering of the waveform the Wave View window gives a general overview of the waveform A zoom locator box within the Wave View window shows which part of the overall waveform is currently displayed in the waveform edit window Move the zoom locator box using a click and drag motion to change the waveform edit window display Markers are also displayed in the Wave View window when enabled to show their location relative to the waveform edit window 54 Chapter 4 Feature and Function Reference Sel
16. 1 39 47 IEEE 488 8 10 37 47 importing 36 62 information messages 66 inserting data 30 installing HP BenchLink Arb 9 Instrument List 47 interface 8 configuration 37 38 inverting waveforms 34 L line drawing 28 48 M markers 34 48 56 57 math absolute 34 add 31 clip 34 expand to fit 19 36 invert 34 mirror 34 multiply 31 resize 35 smooth 35 subtract 31 using standard waveshapes 33 Math Absolute 34 Math Add 31 Math Clip 34 Math Expand To Fit 36 Math Invert 34 Math Mirror 34 Math Multiply 31 Math Resize 35 Math Smooth 35 Math Subtract 31 M continued Mathcad 59 62 Menu Bar 14 15 46 messages 66 Microsoft help 42 Windows 2 8 mirroring waveforms 34 modifying waveforms 29 MS DOS version 8 multiplying waveforms 31 N National Instruments 8 New Segment Dialog 26 noise 29 48 50 O opening 26 Options Configure Interface 38 output frequency 24 P Palette Bar 14 15 48 pasting 30 63 PC requirements 8 pixels 53 preview print 40 printing waveforms 40 PRN 12 41 58 R ramp wave 50 READBLA WRI file 2 9 11 relative amplitude 24 resize 29 resizing waveforms 35 resolution changing 53 RS 232 8 37 43 68 S sample files 59 Save As 20 saving waveforms 20 screen pixels 53 scroll bars 58 search for help 42 search for instruments 38 segment identification markers
17. 15 58 segment markers 58 Send Waveform 21 39 serial port 37 Setup Interface 37 sinc pulse 50 sine wave 17 50 smoothing waveforms 25 35 square wave 50 standard waveshapes 26 50 51 sine wave 50 square wave 50 triangle wave 50 starting HP BenchLink Arb 16 status bar 14 15 49 subtracting waveforms 31 T thumbtack 34 48 57 tick marks 14 15 18 58 Title Bar 14 15 46 Toolbar 15 47 transferring waveforms 39 triangle wave 18 50 typeface conventions used 2 U Undo 30 V View Grid 53 View High Resolution 53 View Tick Marks 58 View View All 56 View Y Markers 34 View Zoom 49 56 View Zoom In 49 56 View Zoom Out 49 56 Index W Wave View Window 14 15 54 waveform clipping 34 edit 28 30 freehand 27 line 28 segment 55 segments 29 waveform edit window 14 17 26 52 53 waveforms about 24 25 clearing 30 printing 40 sending to the function generator 39 Waveforms DC 48 Waveforms Exp Fall 48 Waveforms Exp Rise 48 Waveforms Freehand 27 48 Waveforms Line 28 48 Waveforms Noise 48 Waveforms Ramp 48 Waveforms Sinc 48 Waveforms Sine 48 Waveforms Square 48 Waveforms Triangle 48 waveshapes samples 59 standard 26 50 51 Window wave view 15 54 waveform edit 15 17 26 52 53 Windows 3 1 2 X X Marker 48 56 57 Y Y Marker 48 56 57 Z zoom 56 zoom locator 54
18. 1600 3200 4800 6400 8000 9600 11200 12800 14400 16000 2 Puta sine wave segment in the waveform edit window by clicking the Sine Wave icon Untitled Waveform Datal 1600 3200 4800 6400 8000 9600 11200 12800 14400 16000 17 Chapter 2 Quick Start To Create Save and Output an Arbitrary Waveform Add a triangle wave segment to the sine wave by clicking the Triangle Wave icon The triangle wave segment is added to the sine wave segment Notice the tick mark just above the waveform grids that shows where the segment begins and ends Untitled Waveform Datal 1600 3200 4800 6400 8000 9600 11200 12800 14400 16000 4 Change the triangle wave segment amplitude Place the cursor anywhere on the triangle wave segment in the waveform edit window and double click The Edit Segment dialog box appears Set the amplitude to 0 5 Place the cursor in the AMPLITUDE text box and type 0 5 or click the up and down arrows next to the Amplitude text box Click OK Edit Segment Data Points 3 Amplitude a Offset 0 00 amp Cycles 5 Phase deg 4 18 Chapter 2 Quick Start To Create Save and Output an Arbitrary Waveform Untitled Waveform Datal 3200 4800 6400 8000 9600 11200 12800 14400 16000 The triangle wave segment amplitude
19. 32 clipping waveforms 34 closing HP BenchLink Arb 16 configuration 37 38 function generator 43 connect the dots 46 conventions used 2 copy bitmaps 30 CSV 12 41 58 cut 30 47 D de 50 disk space 8 11 drawing freehand 27 line 28 48 E Edit Marker Select 48 Edit Clear 30 Edit Clear All 30 Edit Copy 30 32 47 Edit Copy Image 30 Edit Cut 30 47 Edit Edit Select 48 Edit Marker Select 56 Edit Paste 30 47 Edit Select All 55 Edit Set Thumbtack 29 48 57 E continued Edit Undo 30 47 Edit X Markers 48 57 Edit Y Markers 34 48 57 editing segments 18 waveforms 29 equipment required 8 error messages 66 expand to fit 19 36 exponential fall 50 exponential rise 50 F File descriptions 58 samples 59 File Exit 16 File Import 36 File New 26 30 47 File Open 47 File Print 40 47 File Print Preview 40 File Print Setup 40 File Save 47 File Save As 41 File description 11 file formats 41 freehand drawing 27 function generator 2 43 G GPIB 10 38 GPIB interface card 8 GPIB PCII IIA interface card 8 grid setting 53 H Help 42 47 Help Index 42 Help Search 42 Help Using Help 42 high resolution 53 HP 33120A 2 43 HP BenchLink Scope 36 64 67 Index H continued HP IB 10 37 38 43 cable 8 interface card 8 requirements 8 I VO Send Waveform 2
20. BenchLink Arb to other applications There are two ways to do this using the clipboard or by exporting the waveform data To Export a Waveform Using the Clipboard Use Edit Select All to highlight the waveform in the waveform edit window and copy it to the Clipboard with Edit Copy Image Switch to the destination application and use Insert Paste or Shift Insert to put the clipboard contents into the application The Clipboard contents are inserted in a Windows BMP format To Export Waveform Data Select the waveform edit window and choose File Save As or click the Save icon Select the desired export file format by clicking on the SAVE FILE AS TYPE drop down list and choosing either CSV PRN or BIN Enter the desired file and click the OK button CSV files are point amplitude pairs separated by a comma This is a popular format for spreadsheets such as Microsoft Excel PRN files are point amplitude pairs separated by a tab character This format is used by some spreadsheets and programs like Mathcad BIN files are IEEE 488 2 binary block format 63 HP33120A 710 E Chapter 5 Using With Other Applications Starting Other BenchLink Applications Starting Other BenchLink Applications IEEE 488 Interface Only If you select another instrument in the instrument drop down list HP BenchLink Arb will attempt to switch to a BenchLink application that supports the instrument chosen For example
21. Drawing over another line segment will modify the existing points Editing a Waveform Waveforms can be edited in multiple ways Individual segments may be selected and edited or parts of the waveform may be cut copied pasted or cleared from the screen Selecting Parts of a Waveform To select a part or segment of a waveform click the Edit Select icon Use the cursor to highlight the area for editing or math operations When a portion of a waveform is selected and highlighted the Status Bar reflects the start and end points of the highlighted area and the total number of points selected The highlighted area can be adjusted using the arrow keys e Right arrow selects the right side of the highlighted area e Left arrow selects the left side of the highlighted area e Up arrow increases the highlighted area e Down arrow decreases the highlighted area In normal viewing mode the up and down arrow keys may not seem to increase or decrease the highlighted area in the waveform edit window However the Status Bar will indicate the change and zooming will show the effect more efficiently To invalidate a highlighted selection click past the end of the waveform or click the Edit Select icon 28 Chapter 3 Using HP BenchLink Arb Editing a Waveform To highlight an individual segment hold the SHIFT key and click on the segment Select multiple segments by holding the SHIFT key while clicking on each segment
22. Export Waveform Data 04 63 Starting Other BenchLink Applications 64 Chapter 6 Error and Information Messages 65 Index air aero gi aan e ana 67 Installation Chapter 1 Installation Equipment Required This chapter describes how to install and configure HP BenchLink Arb to run on your computer Before beginning the installation process verify that your system meets the following minimum requirements Equipment Required Personal Computer Requirements e IBM or compatible 386 or 486 PC e 3 5 1 44 Mb floppy disk drive high density e Microsoft compatible mouse bus or serial e Color VGA or SVGA display e 4MB memory e 1 4 MB free disk space additional space is required for storage of waveforms e Microsoft Windows version 3 1 or higher e Microsoft MS DOS version 5 0 or higher e Either RS 232 or IEEE 488 HP IB GPIB interface as described below Computer Interface Requirements IEEE 488 Interface Requirements To use an IEEE 488 interface with HP BenchLink Arb you must have an HP IB cable HP 10833X and one of the following IEEE 488 interface cards already installed in your computer e HP 27209A HP IB e HP 82335A B HP IB e National Instruments AT GPIB e National Instruments GPIB PCIUI IIA RS 232 Requirements To use RS 232 with HP BenchLink Arb you must have an RS 232 cable and an available Asynchronous Serial COM port on your PC RS 232 c
23. HP BenchLink Arb Components HP348114 BenchLink Arb Untitled Waveform Datal Edit View Waveforms Math IO Options Window Help Menu B Dai Dea Palette Bar ORE MIE l Jes Untitled Waveform Datal Title Bar 1600 3200 4300 6400 3000 3600 11200 12800 Tick Marks V waveform edit window i IM WM Wave View Window with zoom locator box Status Bar For Help press Fl SELECT X 13440 Y 0 148 Title Bar The Title Bar provides the standard Windows Control menu box and sizing buttons In the Title Bar HP BenchLink Arb displays the name of any active waveform edit window 14 Chapter 2 Quick Start HP BenchLink Arb Components Menu Bar The Menu Bar contains pull down menus Position your cursor over a menu item and click the mouse button to view the menu choices You can also use the menus by holding the Alt key and typing the underlined letter of the menu choice for example Alt F will display the File menu Toolbar The Toolbar contains icons for quick display of dialog boxes and rapid execution of HP BenchLink Arb commands The icons on the Toolbar perform the same tasks as the pull down menus in the Menu Bar but do so with a single click Palette Bar The Palette Bar provides quick access to tools used in creating and editing waveforms Icons allow you to insert new waveform segments into the active waveform window e
24. Link Arb Starting HP BenchLink Arb can be started in one of three ways e From the BenchLink program group double click the BenchLink Arb icon e From the Windows File menu choose Run and assuming HP BenchLink Arb was loaded in a directory named bench enter bench bl_arb exe e From the DOS prompt assuming HP BenchLink Arb was loaded in a directory named bench type win bench bl_arb exe Once started the HP BenchLink Arb screen can be positioned sized maximized or reduced to an icon using the standard Windows controls in the Title Bar The first time you start HP BenchLink Arb the program will prompt you to enter your name and your company name This information will appear in the banner screen each time you start HP BenchLink Arb Closing You can exit from HP BenchLink Arb in one of two ways e From the HP BenchLink Arb Menu Bar choose File Exit e Double click the Windows Control menu box HP BenchLink Arb will prompt you to save any unsaved waveform windows 16 Chapter 2 Quick Start To Create Save and Output an Arbitrary Waveform To Create Save and Output an Arbitrary Waveform This exercise demonstrates how to use HP BenchLink Arb An arbitrary waveform is created edited saved and output to the function generator 1 Start HP BenchLink Arb as described on the previous page You should have an empty waveform edit window displayed Untitled Waveform Datal
25. ables and adapters are described in the HP 33120A User s Guide 1 HP IB is Hewlett Packard s implementation of IEEE 488 2 8 Chapter 1 Installation Installing the HP BenchLink Arb Software Installing the HP BenchLink Arb Software 1 Insert the HP BenchLink Arb floppy disk in your computer disk drive 2 Save any work in progress Close unneeded applications Select File Run at the Program Manager Type A setup in the COMMAND LINE text box and press ENTER or click OK Change the drive letter if needed i e B setup ommand Line Run Minimized Browse 3 During the installation process the setup program will prompt you for the directory to receive the files Press ENTER to accept the default installation directory Type a new drive and directory in the INSTALL TO text box if needed BenchLink Arb Setup If you want to install the BenchLink application in a different directory and or drive type the name of the directory Install To C BENCH To quit Setup choose the Exit button 4 The installation program will create a new program group in the Program Manager and add the HP BenchLink Arb and Arb Readme icons to the group Chapter 1 Installation To Change the HP BenchLink Arb Icon If you encounter problems e Check the system and interface requirements listed on page 8 e If you are using RS 232 be sure you are using the correct cable Interface cables are described
26. ackard Company 3000 Hanover Street Palo Alto California 94304 Use of this manual and magnetic media supplied for this product are restricted Additional copies of the software can be made for security and backup purposes only Copyright 1994 Hewlett Packard Company Printing History The Printing History shown below lists all Editions and Updates of this manual and the printing date s The first printing of the manual is Edition 1 The Edition number increments by 1 whenever the manual is revised Updates which are issued between Editions contain replacement pages to correct the current Edition of the manual Updates are numbered sequentially starting with Update 1 When a new Edition is created it contains all the Update information for the previous Edition Each new Edition or Update also includes a revised copy of this printing history page Many product updates or revisions do not require manual changes and conversely manual corrections may be done without accompanying product changes Therefore do not expect a one to one correspondence between product updates and manual updates Edition 1 Part Number 34811 90001 February 1994 Trademark Information HP and LaserJet are registered trademarks of Hewlett Packard Company IBM isa registered trademark of International Business Machines Corporation Mathcad is a registered trademark of MathSoft Incorporated Microsoft MS MS DOS Word and Excel are registe
27. ape as the second operand 31 Chapter 3 Using HP BenchLink Arb Performing Waveform Math Performing Math Operations Using the Clipboard Select the first operand This can be an individual segment or the entire waveform Copy it to the Clipboard using the Edit Copy command Select the second operand by highlighting it in the waveform edit window Select the mathematical function Add Subtract or Multiply A Math dialog box will appear O From Clipboard O Standard wave The waveform selected for the mathematical operation is displayed in the window on the left Click the FROM CLIPBOARD button The waveform previously copied to the Clipboard appears in the middle window and the resulting waveform is displayed on the right 32 Chapter 3 Using HP BenchLink Arb Performing Waveform Math If the waveform copied to the Clipboard has a different number of points than the selected waveform you can click the MATCH LENGTH button This will adjust the size ofthe Clipboard waveform to match the first operand Click it again to undo the match length operation If as a result of the math operation the new waveform exceeds the vertical limits of the window scale and fit the waveform to the window by clicking the FIT AMPLITUDE button Click the button a second time to undo the fit operation Click OK to complete the math operation or CANCEL to abort the process Using Standard Waveshapes in Math Operations Sele
28. chLink Arb Using the function generator front panel the instrument must be placed in the HP IB or RS 232 interface mode If using HP IB the function generator must be given a unique address The HP 33120A Function Generator User s Guide contains complete descriptions of these procedures The general procedure to set the interface is Turn on the function generator menu A MOD MENU Move across to the I O Menu E I O MENU Move down and across to the Interface command 2 INTERFACE Move down to select HP IB or RS 232 interface parameters If choosing RS 232 you must also check the baud rate and parity commands in the I O Menu The baud rate default is 9600 the parity default is none with 8 data bits Save the changes For more information about these menus see your function generator user s guide 43 Feature and Function Reference Chapter 4 Feature and Function Reference HP BenchLink Arb Screen Components HP BenchLink Arb Screen Components A typical HP BenchLink Arb screen is shown on page 14 Title Bar In the Title Bar HP BenchLink Arb displays HP 34811A BenchLink Arb and the name of the active waveform edit window Menu Bar The Menu Bar offers the following pull down menus File Menu contains commands for opening closing saving importing data and printing waveform edit windows Edit Menu contains commands for editing waveforms such as cut copy paste undo
29. ct the first operand This can be an individual segment or the entire waveform Select the mathematical function Add Subtract or Multiply The Math dialog box will appear Click the STANDARD WAVE button The New Segment dialog box appears prompting you to select a standard waveshape as the second operand The number of points in this dialog box cannot be changed This ensures the number of points in the first operand and the second are identical Click OK The first operand of the mathematical operation is displayed in the window on the left The second operand a standard waveshape appears in the middle window and the resulting waveform is displayed on the right If the resulting waveform is not what was expected click the REDO button to change the second operand for the math operation If as a result of the math operation the new waveform exceeds the vertical limits of the window scale and fit the waveform to the window by clicking the FIT AMPLITUDE button Click the button a second time to undo the fit operation Click OK to complete the operation or CANCEL to abort the process 33 Chapter 3 Using HP BenchLink Arb Performing Waveform Math Clipping a Waveform The Math Clip command clips the present waveform data to the specified Y value To perform the clipping function you must first select the area of the waveform to be clipped using the Y markers To clip a waveform Turn on the Y markers using the Edi
30. dala a nas Seu a ga GE e Waveform Edit Windows 2208 Wave View Window rns Status Bary sura ia Mew a ele Uno Sob eae I e Starting and Closing HP BenchLink Arb To Create Save and Output an Arbitrary Waveform Chapter 3 Using HP BenchLink Arb About Arbitrary Waveforms Creating Waveforms o Standard Waveshapes Freehand Drawing ere Line Drawing LL Editing a Waveform LL Selecting Parts ofa WaveforM Modifying Standard Waveshape Segments Using the Clipboard Copying the Active Waveform Edit Window as a Bitmap Inserting Data Into an Existing Waveform Clearing Waveforms 02 00000 eee Undo 3 5 hr uiro ella de balia teer ei Chapter 3 Using HP BenchLink Arb continued Performing Waveform Math 31 Add gi siii AE A A Is RA 31 SUbtrac annee ais ada ars a 31 M ltiply 4 3 dco hes mm RS Sah Sa 31 Performing Math Operations Using the Clipboard 32 Using Standard Waveshapes in Math Operations 33 Clipping a Waveform LL 34 Using Absolute ci x hb eg lea 34 Inverting a Waveform 0 00 00 eae 34 Mirroring a Waveform 20 000005 34 Smoothing a Waveform llle 35 Resizing a Waveform 0 0000000 35 Expand To Fit ipse Be ee n kd 36 Importing Data Saved From HP BenchLink Scope 36 Config
31. dit segments already in the waveform window and to change the view of the waveform by zooming in or out Waveform Edit Windows Waveforms created in HP BenchLink Arb are displayed in waveform edit windows Waveforms consist of one or more segments which can be created by inserting standard waveshapes freehand drawing line drawing and performing mathematical operations Segments can be combined to create virtually any arbitrary waveform you may need Wave View Window The Wave View window allows you to view the entire waveform while you are creating and editing individual segments in the active waveform edit window Any changes made to the waveform will be reflected in the Wave View window For convenience the Wave View window can be placed anywhere on your computer screen The Wave View window contains a sampled representation of the waveform and as such cannot display every waveform detail Rather than a precise rendering of the waveform the Wave View window gives a general overview of the waveform Status Bar The Status Bar provides brief descriptions of the Menu Bar and Toolbar items currently selected and provides specific waveform information depending upon the application mode It appears at the very bottom of the HP BenchLink Arb screen and dynamically changes as the various menu commands or modes are selected 15 Chapter 2 Quick Start Starting and Closing HP BenchLink Arb Starting and Closing HP Bench
32. dual segment press the SHIFT key and click on the segment Continue to hold the SHIFT key to click and select multiple segments Double clicking on a segment will display the Resize Data dialog box allowing you to change the vertical and horizontal aspects of the segment Standard waveshape segments will display the Edit Segment dialog box unless some form of math operation has been performed on them Select all To select the entire waveform consisting of multiple segments choose Edit Select All from the Menu Bar or press SHIFT and double click in the waveform edit window 55 Chapter 4 Feature and Function Reference Zoom Marker mode Marker mode is entered by clicking the icon on the Palette Bar or by choosing Edit Marker Select from the Menu Bar This mode automatically enables the X and Y markers Selecting either X or Y markers from the Edit Menu or with icons also causes the cursor to change to marker mode Move the markers using a click and drag motion or for fine adjustment the arrow keys While you are in marker mode the Status Bar reflects the location of the X or Y marker pairs as they are positioned in the waveform edit window and the difference between them To exit this mode click the marker icon again This disables the markers and enters the edit select mode Clicking the edit select icon will exit marker mode and leave the markers enabled Zoom There are six zo
33. e Menu Bar or by pressing the DELETE key Selecting Edit Clear All clears the entire waveform displayed in the active waveform edit window Undo The last command or action performed by HP BenchLink Arb can be undone by choosing Edit Undo from the Edit Menu by clicking the Undo icon or by pressing Alt Backspace 30 Chapter 3 Using HP BenchLink Arb Performing Waveform Math Performing Waveform Math The Math menu contains several mathematical functions to be performed on arbitrary waveforms The first three add subtract and multiply combine two operands while the remaining functions are performed on a single operand All of the mathematical operations can be undone if necessary Choose Edit Undo from the Menu Bar to return the waveform to its original shape Add The Math Add command performs a point by point addition of the selected waveforms Subtract The Math Subtract command performs a point by point subtraction of the selected waveforms Multiply The Math Multiply command performs a point by point multiplication of the selected waveforms To perform addition subtraction and multiplication operations one of two sequences must be followed e Select two operands segments or parts of the waveform on which to perform a mathematical operation The Clipboard is used to store the first operand e Select a segment or part of the waveform as the first operand and use a standard wavesh
34. ection modes Selection modes HP BenchLink Arb uses different selection modes for performing various functions Edit Select mode Parts or segments of the waveform can be selected by clicking the edit select icon found on the Palette Bar This selection mode allows you to highlight the desired area for editing or math operations When you first enter edit select mode and move your mouse in the waveform edit window the Status Bar reflects the X and Y positions of your cursor as it moves across the window When a portion of the waveform is highlighted by clicking and dragging the cursor the Status Bar reflects the start and end points of the highlighted area and the total number of points selected The highlighted area can be adjusted using the up down and left right arrows in the following manner e Right arrow selects the right side of the highlighted area e Left arrow selects the left side of the highlighted area e Up arrow increases the highlighted area e Down arrow decreases the highlighted area In normal viewing mode the up down arrow keys may not seem to increase or decrease the highlighted area in the waveform edit window yet the Status Bar indicates the change in selection Zooming in will display the results in a more efficient manner To invalidate a highlighted selection click past the end of the waveform or click the edit select icon again Selecting a segment To highlight an indivi
35. eform is at or near the maximum length 16 000 points HP BenchLink Arb will not allow you to expand the waveform or will restrict the number of points or percentage you are allowed to expand Expand To Fit The Math Expand To Fit command stretches the waveform data to fit the entire waveform edit window The waveform is expanded both horizontally and vertically The waveform does not have to be selected to perform this operation The expansion can be undone with the Edit Undo command Importing Data Saved From HP BenchLink Scope To import data saved by the HP BenchLink Scope application in either PRN or CSV format Select File Import from the Menu Bar The Open dialog box will be displayed prompting you to enter the filename of the file you wish to open Choose the appropriate file extension from the file type list select the desired file and click the OK button If the file is displayed in the file list double click on it to open the file Click the CANCEL button to abort the command or the HELP button for more information The file will be opened as a new waveform edit window properly scaled to display the points The points may be cut and pasted into another waveform edit window if desired 36 Chapter 3 Using HP BenchLink Arb Configuring the Interface Configuring the Interface When the HP BenchLink Arb application is started it searches for any supported IEEE 488 interface hardware and softwa
36. erforms the File Open command Performs the File Save command The Instrument drop down list displays HP and the model number of all devices found on the IEEE 488 bus or serial port It can also be used to change instrument connections If another BenchLink application is installed and a supported instrument is selected from this list HP BenchLink Arb will attempt to switch to that application and if necessary load and start the application Instruments not supported by BenchLink software will display the device s model number and address Devices that are not compatible with the IEEE 488 2 standard will be displayed as UNKNOWN with their address Attempts to switch to non supported or unknown devices will display a warning dialog Performs the Edit Undo command Performs the Edit Cut command Performs the Edit Copy command Performs the Edit Paste command Performs the File Print command Performs the VO Send Waveform command Provides context sensitive help for selected items 47 E EIE BELLIS IS eee E 1 E Chapter 4 Feature and Function Reference HP BenchLink Arb Screen Components Palette Bar The Palette Bar is designed to provide quick access to tools used in creating and editing waveforms The following icons are displayed in the Palette Bar Enters the edit select mode Portions of a waveform are selected by clicking and dragging to highlight the desired area Edit Edit Se
37. form once all the data points have been received Send Waveform Arb Parameters Frequency KHz Amplitude Vp p Offset Volts Output Termination 50 Ohm Non volatile Memory gt gt If the IIO Send Waveform menu is not active gray HP BenchLink Arb did not find a function generator on the specified interface Check that the function generator is properly connected to the computer and turned on Refer to the section Configuring the Interface in Chapter 3 for more information 21 Using HP BenchLink Arb Chapter 3 Using HP BenchLink Arb About Arbitrary Waveforms This chapter describes procedures components and features you will use in HP BenchLink Arb About Arbitrary Waveforms The waveforms you create in HP BenchLink Arb are a series of data points The first point 0 is given a Y value between 1 and 1 The next point has another Y value and so on to the maximum number of data points in your waveform Taken together these points make up a waveshape All the data points in the waveform edit window make up one function generator output cycle When you send the waveform to the function generator it will attempt to output all the points at the frequency you specify For example if you create a waveform with 10 sine wave segments and set a 1 kHz output frequency when you send the waveform to the function generator the output will appear to be a 10 kHz sine wave The function ge
38. he bottom of the HP BenchLink Arb screen and dynamically changes as the various menu commands or modes are selected menu command information application mode waveform information For Help press Fl ZOOM X 7840 v 0 945 For Help press F1 SELECT ST 4000 END 7008 Pts 3008 For Help press F1 LINE X 2272 Y 0 680 Pts 1 8000 For Help press F1 DRAW 5824 1000 Pts 16000 T For Help press F1 MARKERS Y1 0 523 Y220 038 Delta 0 484 For Help press FI POSITION X 11648 v 1 000 Pts 0 The Status Bar is separated into 5 different sections menu command information displays description of the selected menu item application mode reflects the current operation mode zoom edit select line draw freehand draw marker or position e waveform information displays the X Y position of the cursor segment selection boundaries delta values for markers or total number of waveform points depending upon application mode S eo Chapter 4 Feature and Function Reference Standard Waveshapes Standard Waveshapes Waveforms can be created using the standard waveshapes available in HP Bench Link Arb Each waveshape is inserted as a segment in the waveform edit window allowing you to vary the size and number of segments in the window or to make the entire waveform one segment Selecting a standard waveshape from the Waveforms Menu will display the New Segment dialog box This dial
39. he named application and try again This error message indicates that the instrument described in the HP BenchLink Arb initialization file did not respond to HP BenchLink Arb using the current communications setup Use the Interface Setup dialog box to make changes to the communications settings This information message indicates that HP BenchLink Arb has successfully established communications with the function generator at the HP IB address or COM port specified in the Setup Interface dialog box This information message indicates that upon startup HP BenchLink Arb did not find the controller or instrument default address es as listed in the initialization file Choose YES to display the Interface Setup dialog box or NO to cancel HP BenchLink Arb was unable to perform the attempted operation with the displayed function generator Select Options Configure Interface from the Menu Bar and test the communications to that instrument before resuming This error message indicates that the attached instrument did not respond to a query from HP BenchLink Arb Restart HP BenchLink Arb and try again 66 Chapter 6 Error and Information Messages Message No instruments found Make sure all cables are properly installed and instruments are powered on Not enough room to paste waveform Please enter an integer between number and number Save changes to name The following required files were not found in your
40. ints or remove part of the existing waveform Standard waveshapes and their default parameters are described in Chapter 4 Freehand Drawing Select the Freehand drawing mode by clicking the Freehand icon or by selecting Waveforms Freehand from the Menu Bar The standard cursor changes to a pencil cursor when inside the waveform edit window Draw the desired waveform shape by pressing and holding the left mouse button Release the mouse button to complete the freehand waveform segment Freehand waveform segments are automatically connected to any pre existing segments You will remain in the Freehand drawing mode until another mode is selected You are not allowed to draw over a standard waveshape unless you thumbtack markers over one see page 29 Drawing over another freehand segment will modify the existing points 27 Chapter 3 Using HP BenchLink Arb Editing a Waveform Line Drawing Select Line drawing mode by clicking the Line icon or by selecting Waveforms Line from the Menu Bar Click once in the waveform window to start the line and then move the cursor and click again Numerous connected lines can be drawn by moving the cursor and clicking again Double click at the end of the line in the window press ESCAPE or press ENTER to terminate the line You will remain in the Line drawing mode until another mode is selected You are not allowed to draw over a standard waveshape unless you thumbtack markers over one
41. kers Vertical X or horizontal Y markers are available in HP BenchLink Arb to assist you in creating and modifying waveforms Select Edit X Markers or Edit Y Markers or click their icons to display the X or Y markers When the markers are first displayed your cursor will be in the marker mode The markers can be moved by clicking the mouse on any of the markers and dragging them to the desired location or by using the left and right arrow keys The X or Y marker positions and the difference between the X or Y marker position is displayed in the Status Bar at the bottom of your HP BenchLink Arb screen Markers can be disabled by selecting the appropriate commands from the Edit Menu or by clicking their icons on the Palette Bar Markers can be set and held in a specific position by clicking the Thumbtack icon or by selecting Edit Set Thumbtack from the Menu Bar Thumbtacked markers can be used to confine the editing area or to alter a standard waveshape segment using freehand or line drawing mode Drawing is permitted only in the area between the markers and must be started in the marked area Clicking and drawing outside of this area is ignored Grid The waveform edit window contains horizontal and vertical gridlines To change the spacing of the horizontal and vertical grid lines select View Grid from the Menu Bar The spacing of the vertical up down grid lines is directly affected by the View Grid command
42. le format can be imported into a waveform edit window in the following manner Select File Import from the Menu Bar The Open dialog box will be displayed prompting you to enter the filename of the file you wish to open Choose the appropriate file extension from the file type list select the desired file and click the OK button If the file is displayed in the file list double click on it to open the file Click the CANCEL button to abort the command or the HELP button for more information The file will be opened as a new waveform edit window properly scaled to display the points The points may be cut and pasted into another waveform edit window if desired To import a file from Mathcad The Mathcad file must be in a tab separated X Y format PRN before it is imported into HP BenchLink Arb X values in the data should be sequential Y values should be between 1 and 1 since HP BenchLink Arb will scale the data to 1 based on the minimum and maximum values of the data Use the WRITEPRN function in Mathcad to produce this type of data file As an example a file could appear as 1 1 0 0 4 0 2 1 0 0 3 0 5 When the file has been saved in the PRN file format it can then be imported into HP BenchLink Arb D TWIN 62 Chapter 5 Using With Other Applications Exporting Arbitrary Waveforms to Other Applications Exporting Arbitrary Waveforms to Other Applications You can export waveforms created in HP
43. lect Enters marker mode in which you can select and move X and Y markers by clicking and dragging the mouse Edit Marker Select Enables disables X Markers Edit X Markers Enables disables Y Markers Edit Y Markers Thumbtacks markers in their current position Edit Set Thumbtack Enters the freehand drawing mode Waveforms Freehand Enters the line drawing mode Waveforms Line Inserts a sine wave segment Waveforms Sine Inserts a triangle wave segment Waveforms Triangle Inserts a square wave segment Waveforms Square Inserts a ramp wave segment Waveforms Ramp Inserts a sinc pulse segment Waveforms Sinc Inserts a segment with a rising exponentially shaped pulse Waveforms Exp Rise Inserts a segment with a falling exponentially shaped pulse Waveforms Exp Fall Inserts a random noise segment Waveforms Noise Inserts a DC value segment Waveforms DC 48 a E E Chapter 4 Feature and Function Reference HP BenchLink Arb Screen Components Performs the View Zoom command Click and drag your mouse to select the zoom area Performs the View Zoom In command Performs the View Zoom Out command Status Bar The Status Bar is a helpful tool designed to provide brief descriptions of the Menu Bar and Toolbar items currently selected and provides specific waveform information depending upon the application mode It appears at t
44. m data in IEEE 488 2 binary block format This format contains a file header and binary data The waveform data is represented in 12 bit format sent as two bytes The file will therefore contain twice the number of bytes as waveform data points CSV The comma separated values file format includes a point number and corresponding relative amplitude value for each data point in the waveform The point and amplitude values are separated by a comma Point values range from 0 to 15 999 and amplitude values range from 1to 1 PRN The PRN file format includes a point number and corresponding relative amplitude value for each data point in the waveform The point and amplitude values are separated by a tab Point values range from 0 to 15 999 and amplitude values range from 1 to 1 58 Chapter 4 Feature and Function Reference Sample Files Sample Files The following sample waveform files were placed in the BENCH SAMPLES directory during installation Most of these waveforms were created in HP BenchLink Arb The GAUSIAN ARB waveform was imported from the Mathcad application and the HC_GATE ARB waveform was captured and imported using the HP BenchLink Scope application Use File Open or click the File Open icon to open one these files Once open the waveform can be edited inserted or copied File name Description alii points DTMF_0 ARB Telephone Dual Tone M
45. m the Menu Bar Choosing this command will display a list of key topics and allow you to perform a search of help topics or allow you to jump to others Jump topics are green underlined words found in various areas of the help system The Help Search menu can also be displayed by selecting Help Search from the Menu Bar To obtain help on specific menu commands or icons first select the Help icon from the Toolbar then move the help cursor to the desired menu command or icon and click The information for that topic is displayed Many of the dialog boxes contain a HELP button This button provides on line help for the functions in the dialog box Help can also be obtained by pressing the F1 key at any time If you are new to Help systems and would like a quick easy to use tutorial select Help Using Help from the Menu Bar This is a useful guide to using the Help system by written by Microsoft Corporation 42 Shift Menu On Off Enter Chapter 3 Using HP BenchLink Arb Configuring the HP 33120A Function Arbitrary Waveform Generator Configuring the HP 33120A Function Arbitrary Waveform Generator HP BenchLink Arb supports both RS 232 and IEEE 488 communications from the PC to the HP 33120A Function Arbitrary Waveform Generator This section describes how to set up your function generator so that communications can be established when you run HP Ben
46. n display pixels between grid lines While this spacing also relates to the number of waveform data points displayed between grid lines the relationship is not always one to one due to the effects of zooming Six levels of zooming are provided 0 5 giving the pixel to number of data points relationship in the following table Zoom Level Waveform data points per screen display pixel 0 default no zoom 32 1 16 2 8 3 4 4 2 5 fully zoomed in 1 For example if no zoom is in use a spacing of 100 pixels between vertical grid lines relates to the display of 3200 32 X 100 waveform data points between grid lines At full zoom a spacing of 100 pixels between grid lines results in 100 1 X 100 waveform data points between grid lines To adjust grid line spacing specify the number of pixels by clicking on the up down arrows or type a number in the text box and click OK Valid grid sizes range from 50 default to 200 pixels The waveform edit window can also be displayed in normal or high resolution viewing mode Normal mode consists of points that have been uniformly sampled and chosen for display High resolution mode displays all points of the waveform Select View High Resolution from the Menu Bar Operations on the waveform in high resolution mode will take longer to perform because the display will be updated at a slower rate 53 Chapter 4 Feature and Function Reference Wave View Window Several
47. nd This error message indicates that the named files should be installed by HP BenchLink Arb Reinstall HP BenchLink Arb This error message indicates that the named file will be overwritten by new data if you choose YES This error message indicates there is an instrument on the bus that is not supported by an installed HP BenchLink software product Select a valid instrument before attempting any operations 67 Chapter 6 Error and Information Messages Message This segment is too long to be added Use Resize if you need more space Too many windows open Close some and try again Type Error Message Information Message Suggested Action This error message indicates the selected standard waveshape cannot be inserted without exceeding the maximum number of points allowed in an HP BenchLink Arb waveform edit window 16 000 Click OK and adjust the existing waveform using Math Resize or open another window to add the segment into This information message indicates that there are too many open windows in the HP BenchLink Arb application A maximum of 8 windows can be opened before this message is displayed 68 Index A about arbitrary waveforms 24 25 adding waveforms 31 amplitude edit segment 18 relative 24 ARB 11 41 58 arrange icons 46 AT GPIB 8 B BenchLink Scope 36 64 BIN 41 58 63 bitmap 30 C changing icons 10 clearing waveforms 30 Clipboard 30
48. ndow by clicking the appropriate icon on the Palette Bar to insert one cycle of default parameters or by selecting the Waveforms Menu and choosing a standard waveshape The menu method allows you to change parameters of the standard waveshape and preview it before it is inserted in the window After a segment has been inserted double clicking on it will display the Edit Segment dialog box to display and change its parameters After math operations have been performed on a standard waveshape double clicking will produce the Resize Data dialog box allowing you to expand or contract the waveshape in both horizontal and vertical directions DEMO ARB o 3200 6400 9600 12800 0 500 0 000 0 500 L 1 900 tt Eight different segments created from the standard waveshapes are shown in the figure The triangle wave segment has been selected and is therefore highlighted 52 Chapter 4 Feature and Function Reference Waveform Edit Windows The waveform edit window contains horizontal and vertical gridlines To change the spacing of the horizontal and vertical grid lines select View Grid from the Menu Bar The spacing of the vertical up down grid lines is directly affected by the View Grid command The horizontal spacing left right of the grid lines is automatically adjusted to standard values such as 0 0 25 0 5 0 75 or 1 0 Grid line spacing is specified in terms of the number of scree
49. nerator samples the data points at 40 Msamples second The maximum output is determined by the sample rate divided by the number of points A full waveform edit window 16 000 data points appears to have an upper frequency limit of 2 5 kHz since 40 Msamples 16 000 2500 When higher frequencies are reached the function generator automatically samples the points so the full wave is output The function generator will sample no fewer than 8 points per waveshape Refer to chapter 7 in the HP 33120 User s Guide for additional information about sampling When possible you should always send the maximum number of data points The more data points you send the greater the fidelity of the function generator output HP BenchLink Arb contains a special function to allow you to expand any waveform to the maximum number of data points The relative amplitude Y values of your waveform can range from 1 to 1 This is a relative amplitude because the function generator output voltage will be scaled to these values You set the desired output peak to peak voltage when you send the waveform to the function generator For example a square wave in the waveform edit window that ranges from 1 to 1 can be output as a 1 volt peak to peak waveform The 1 relative amplitude is scaled to 0 5 volts and the 1 relative amplitude is scaled to 0 5 The square wave will be centered around 0 volts 24 Chapter 3 Using HP BenchLink Arb About Arbitrary
50. ng HP BenchLink Arb Chapter 3 Using HP BenchLink Arb describes how to use HP BenchLink Arb for creating editing printing and saving arbitrary waveforms as well as transferring waveforms to the HP 33120A Function Arbitrary Waveform Generator Chapter 4 Feature and Function Reference describes the features and functions available for editing and creating waveshapes Chapter 5 Using with Other Applications describes how to use HP BenchLink Arb with other Windows applications Special file formats are described Chapter 6 Error and Information Messages lists possible HP BenchLink Arb error and information messages with explanations and suggested solutions Table of Contents Conventions Used in this Guide Recommended Reading llle The READBLA WRI file In This Book aa ae Pe e yas a da Chapter 1 Installation Equipment Required 00000 ee eee Personal Computer Requirements Computer Interface Requirements Installing the HP BenchLink Arb Software If you encounter problems 06 To Change the HP BenchLink Arb Icon Freeing Disk Space 0 0 0000 eee eee eee To Remove HP BenchLink Arb Chapter 2 Quick Start HP BenchLink Arb Components Title Bar porse do hee Ge ede Se eA d Menw Baron oua oe a ee ee Toolbar ste d Rd Bete due at Palette Bar ri
51. nt first select it then choose Edit Cut The selected portion is added to the Clipboard and may be pasted into a different part of the waveform or another waveform edit window Any selected waveform segment or portion of a waveform may be copied to the Clipboard and pasted into other windows or applications Select the entire waveform or an individual segment and choose Edit Copy or type Ctrl C A waveform or segment previously copied to the Clipboard can also be inserted into another waveform edit window Click on the desired insertion point of the waveform and choose Edit Paste or type Ctrl V Waveforms copied to the Clipboard from other BenchLink applications can be pasted into a waveform edit window by selecting Edit Paste from the Menu Bar The waveform will be inserted as a new segment Copying the Active Waveform Edit Window as a Bitmap To copy the contents of a waveform edit window to another application as a bitmap choose Edit Copy Image from the Menu Bar The active waveform edit window contents are placed on the Clipboard as a bitmap and can be pasted into other applications Inserting Data Into an Existing Waveform Data copied to the Clipboard or cut from a waveform edit window can be inserted into an existing waveform by choosing the desired insertion point and selecting Edit Paste or typing Ctrl V Clearing Waveforms Any part of the waveform may be deleted by selecting it and choosing Edit Clear from th
52. og allows you to specify pattern characteristics and preview the waveshape before it is inserted as a segment in the waveform edit window Click the PREVIEW button to display the waveshape while making changes If you wish to change the type of waveshape currently selected click the Waveform drop down list and choose another The waveform characteristics automatically update to reflect the new pattern you have chosen Click the DEFAULTS button to return HP BenchLink Arb s default settings for the selected waveshape Clicking a standard waveshape icon on the Palette Bar will automatically insert one segment of the specified waveshape into the waveform edit window The characteristics of the selected waveshape are set from default parameters To edit a standard waveshape segment double click on it Type Parameters Default Range Data Points 2000 8 to 16000 Amplitude 1 00 0 00 to 1 00 Sine wave Offset 0 00 1 00 to 1 00 Cycles 1 00 1 00 to 100 00 Phase degrees 0 00 0 00 to 360 00 Data Points 2000 8 to 16000 Amplitude 1 00 0 00 to 1 00 Triangle Wave Offset 0 00 1 00 to 1 00 Cycles 1 00 1 00 to 100 00 Phase degrees 0 00 0 00 to 360 00 Data points 2000 8 to 16000 Amplitude 1 00 0 00 to 1 00 Square Wave Offset 0 00 1 00 to 1 00 Cycles 1 00 1 00 to 100 00 Phase degrees 0 00 0 00 to 360 00 Duty Cycle 50 00 0 00 to 100 00 50 Chapter 4 Feature and Function Reference Standard Waveshapes
53. om levels available In the normal viewing mode fully zoomed out one pixel of the screen equals 32 waveform data points Zooming in decreases the number of points equal to one pixel in multiples of two e g 32 16 8 4 2 1 Zooming can be performed in the following ways To zoom into part of a waveform choose View Zoom from the Menu Bar or click the Zoom icon The cursor will change to a magnifying glass Click and drag your mouse to define the area to zoom into When you release the mouse button the selected area will be displayed in the active waveform window This process can be repeated until you are fully zoomed in and one pixel equals one data point To zoom in one level at a time choose View Zoom In from the Menu Bar or click the Zoom In icon You can zoom in until you reach the level where one pixel equals one data point Click the Zoom Out icon or choose View Zoom Out from the Menu Bar to zoom out one level at a time You can zoom out until the entire waveform is displayed If you wish to zoom out and display the waveform in one step choosing View View All will fit the entire waveform into the waveform edit window The zoom locator box in the Wave View window outlines the portion of the waveform currently displayed in the waveform edit window This box changes as you zoom in and out and can be moved by clicking and dragging it 56 Chapter 4 Feature and Function Reference X and Y Markers X and Y Mar
54. on The Change Icon dialog box is displayed Change Icon File Name C BENCH BL_ARB EXE Current Icon Cancel Browse 4 Scroll through the available icons and double click on the icon you want or highlight the icon and click OK You will be returned to the Program Items Properties dialog box which will now show the new icon Click OK You can also select other icons from other program files Refer to your Windows documentation for complete details about changing icons Freeing Disk Space After installation you may wish to remove unnecessary files to free hard disk space on your computer The following table describes files installed by HP BenchLink Arb that may be safely removed to recover disk space File Directory Use When to remove ARB BENCH SAMPLES Waveform files If you no longer need sample waveform files ARBINST EXE WINDOWS Installation program After HP BenchLink Arb has been successfully installed READBLA WRI BENCH Configuration After HP BenchLink Arb has been information about successfully installed and you do HP BenchLink Arb and not plan to change your computer product information configuration added or changed since removal not recommended this manual was printed BL ARB HLP BENCH Help File If you do not wish to use on line help removal not recommended 1 These listed directories assume the default directories were used for installation of
55. rawing the waveform in freehand mode combining standard waveshapes applying mathematical operations and importing X Y data from other applications Any of these methods can be combined to create more complex waveforms Segments can be of many different sizes with the total not exceeding 16 000 points per waveform To open a new waveform edit window select File New from the Menu Bar or click the new waveform edit window icon An untitled waveform edit window is displayed Untitled Waveform Data 1600 3200 4800 6400 8000 9600 11200 12800 14400 16000 Standard Waveshapes Standard waveshapes can be inserted in the waveform edit window by selecting commands from the Waveforms Menu or by clicking an icon on the Palette Bar If the selection is made from the Waveforms Menu the New Segment dialog box will appear allowing you to specify and preview the waveshape characteristics 26 Chapter 3 Using HP BenchLink Arb Creating Waveforms New Segment Data Points El Amplitude E Offset El Cycles 1ooo_ S Phase deg 0 000 amp If the selection is made by clicking an icon in the Palette Bar one segment of the corresponding waveform will be added to the window with default values If the new waveshape segment causes the total points to exceed 16 000 a warning dialog will appear informing you that the segment will not be added Click OK and try a smaller number of po
56. rb upon initialization are displayed in the INSTRUMENTS list box Select the function generator by highlighting the choice Test the interface connectivity by clicking the TEST button If you are using RS 232 the function generator address refers to the serial port in use The SEARCH button is used to initiate a search for all instruments attached via HP IB cables or a single function generator attached to the COM port identified in the Settings dialog box All identified instruments will be displayed in the INSTRUMENTS list of the Setup Interface dialog box Choose OK to accept changes to the Setup Interface dialog box or CANCEL to abort Changes made in the Setup Interface dialog box will be used as the default settings the next time you run HP BenchLink Arb If you are using an IEEE 488 Interface card ensure you have correctly installed the interface software before running HP BenchLink Arb Either an HPIB DLL or GPIB DLL file must be located in your HP BenchLink Arb directory the Windows directory or a directory included in the PATH command in your AUTOEXEC BAT file For specific details refer to your IEEE 488 Interface card installation guide 38 Chapter 3 Using HP BenchLink Arb Transferring Waveforms to the Function Generator Transferring Waveforms to the Function Generator When you have finished creating and editing your waveform HP BenchLink Arb can transfer the waveform data to the function generator To tran
57. re installed in your PC and any instruments connected to the interface If an IEEE 488 interface card with connected devices is not found HP BenchLink Arb checks the serial ports for any devices HP BenchLink Arb will try to connect to the function generator using HP IB at address 10 or on serial port COM2 at 9600 baud If any of these default settings do not match the actual interfaces or devices select Options Configure Interface to display the Setup Interface dialog box This dialog contains information relating to the interface type and any devices connected to your PC Setup Interface Interface HP IB using HP cards 272094 or 82335A B Controller Address Instrument s Address HP54610A Oscilloscope 9 HP33120A Waveform Generator 10 Select the interface type by clicking on the arrow of the INTERFACE drop down list and clicking on your choice The controller address or serial port displayed is the IEEE 488 controller address or serial port that HP BenchLink Arb will use to communicate with your function generator 37 Chapter 3 Using HP BenchLink Arb Configuring the Interface The Settings option is for RS 232 only and is grayed out for IEEE 488 users The RS 232 Settings dialog displays serial port COM2 baud rate 9600 handshake none parity none character length 8 bits and stop bits 2 bits parameters Changes are allowed only to the serial port parameter Any devices found by HP BenchLink A
58. red trademarks of Microsoft Corporation National Instruments is a registered trademark of National Instruments Corporation Windows is a trademark of Microsoft Corporation Manual Part Number 34811 90001 Printed February 1994 Edition 1 Microfiche Part Number 34811 99001 Printed in U S A
59. sfer the contents of the active waveform edit window 1 Select YO Send Waveform from the Menu Bar or click the Send Waveform icon The Send Waveform dialog box appears Send Waveform Arb Parameters Non volatile Memory Frequency KHz Amplitude Yp p Offset Volts Output Termination 50 Ohm Non volatile Memory gt gt This menu command and icon are only available if a function generator is connected to your PC with an IEEE 488 or RS 232 cable is displayed in the Instrument list on the Toolbar and there is waveform data in the waveform edit window 2 From this dialog you can change certain characteristics of the waveform This dialog box queries the function generator for information about the current frequency amplitude offset and output termination settings Click OK and the waveform will be sent to the function generator identified in the Instruments list located on the Toolbar or click CANCEL to abort the process Sending a waveform to the function generator also causes it be output from the instrument 3 The waveform can be saved in the function generator s non volatile memory Click the NON VOLATILE MEMORY button Click the Non volatile Memory NAME text box and type in a name Click the SAVE button to save the waveform This command also instructs the function generator to output this waveform Any existing waveforms will be displayed in the box to the right Previously saved waveforms can be deleted
60. sh to smooth before selecting this command The smoothing algorithm uses a 7 data point moving average technique The smoothed Y value for the N point in the selected waveform segment is determined by averaging the Y values of e Upto 3 data points to the left of the nth point e The N point Up to 3 data points to the right of the Nth point You can undo smoothing operations or repeat the operation several times for additional smoothing Resizing a Waveform The Math Resize command expands or compresses waveform data points horizontally or vertically Select the waveform data on which to perform this operation then select this command from the Math menu The Resize Data dialog box appears displaying current X point and Y relative amplitude values Selection 2000 points 2 000 Vpp x Value AIMN Number of Points O of Original Data Y Value Peak to Peak O X of Driginal Data 35 Chapter 3 Using HP BenchLink Arb Importing Data Saved From HP BenchLink Scope Percentage of Original Data starts at 100 The size of the waveform data can be changed by specifying the number of points amplitude peak to peak or percentage of the original size Pressing ENTER for each new value will automatically change the selected data in the waveform edit window Click OK to complete the resizing process or CANCEL to return the data to its original size If the total number of points in the arbitrary wav
61. t Y Markers command or click the Y Markers icon Position the markers to specify the minimum and maximum Y values Click the Thumbtack icon to set the markers Click the edit select icon then click and drag your mouse to highlight the area to be clipped Select Math Clip from the Menu Bar The area above and below the markers will be clipped Using Absolute The Math Absolute command changes the sign on all negative Y value points so that the waveform contains only positive points Select the waveform or segment on which to perform this operation then select this command from the Math menu Inverting a Waveform Math Invert causes the waveform to be flipped vertically Each point in the selected waveform is multiplied by 1 to get the inverted values Select the waveform or segment on which to perform this operation then select this command from the Math menu Mirroring a Waveform The Math Mirror command horizontally rotates the waveform about the center of the selected segment If the selected waveform contains 2000 points the rotation would occur at point 1000 Select the waveform data or segment on which to perform this operation then select this command from the Math menu 34 Chapter 3 Using HP BenchLink Arb Performing Waveform Math Smoothing a Waveform The Math Smooth command smoothes rough edges abrupt transitions and spikes in the waveform Select the part of the waveform or segment you wi
62. the horizontal spacing left right of the grid lines is automatically adjusted to standard values such as 0 0 25 0 5 0 75 or 1 0 Grid line spacing is specified in terms of the number of of screen display pixels between grid lines While this spacing also relates to the number of waveform data points displayed between grid lines the relationship is not always one to one due to the effects of zooming Six levels of zooming are provided 0 5 Refer to the discussion on page 53 for more information about the grid settings 57 Chapter 4 Feature and Function Reference Scrolling Scrolling Use the vertical and horizontal scroll bars to view different portions of the waveform Scroll bars are needed because in some cases the actual waveform physically occupies more space than the window can display at one time If the waveform fits in the window no scroll bars will be displayed Tick Marks Segment Identification Markers Tick marks are visual aids used to identify the start and end points of a waveform segment They appear as inverted arrows at the top of the waveform edit window see the figure on page 14 To enable disable tick marks select View Tick Marks from the Menu Bar File Descriptions ARB This file extension is used to designate an arbitrary waveform file saved using the HP BenchLink Arb application The ARB file is saved in a proprietary binary format BIN HP BenchLink Arb can save wavefor
63. ulti Frequency signal Key 0 8000 DTMF_9 ARB Telephone Dual Tone Multi Frequency signal Key 9 8000 TWOTONE ARB Two tone signal for intermodulation test 8000 PSK ARB Phase Shift Key modulated signal 8000 STAIR ARB 10 step staircase ramp signal 8000 PULSE_10 ARB 10 level sinc wave approximation 8000 PK_SPIKE ARB Sine wave with a spike added to each peak 8000 SCR ARB Quarter cycle SCR signal 8000 HALF REC ARB Half wave rectified sine wave 8000 FULL_REC ARB Full wave rectified sine wave 8000 NOISE ARB Sine wave with high frequency noise added 8000 NONLIN LARB Sine wave with third harmonic distortion 8000 GAUSIAN ARB Gaussian pulse created in Mathcad and imported 8000 TRAPAZD ARB _ Trapezoidal pulse 4000 SM DUTY ARB 0 1 duty cycle square wave signal 4000 SERIAL ARB 11 bit frame of serial data 4000 RING ARB Square wave with ringing 4000 HC GATE ARB 74HC family digital signal captured and imported 4000 from HP BenchLink Scope 59 Using With Other Applications Chapter 5 Using With Other Applications Importing Arbitrary Waveforms From Files Importing Arbitrary Waveforms From Files HP BenchLink Arb can be used to edit waveforms imported from the HP 34810A BenchLink Scope application Mathcad or Microsoft Excel Imported files must be in either CSV or PRN point amplitude pair format To import a CSV or PRN file Files from HP BenchLink Scope or Microsoft Excel previously saved in the CSV or PRN fi
64. uring the Interface 37 Transferring Waveforms to the Function Generator 39 Printing Waveforms aaa aa aaa 40 Saving Waveforms eee eee ees 41 Using HP BenchLink Arb Help 42 Configuring the HP 33120A 43 Chapter 4 Feature and Function Reference HP BenchLink Arb Screen Components 46 Title Bats aura obo a gi dani 46 Men Bar eds pe a da 46 Toolbar ad E AA a 47 Palette Bafe ocio a Bane ed e Pi ORT ec HS 48 Status Bag pei ii ce eto d Ra dele A le en 49 Standard Waveshapes lr 50 Waveform Edit Windows 0 000000 as 52 Wave View Window 0 00 ee ee ene 54 Selection modes i So ee a Se Se ee i ee 55 LOMO ii A A UE e ud oes 56 Xand Y Markers 625 4 a neo Pre a SS 57 Grid i facesse la ea d re eod ea TU dede ue 57 Scroll csi em A ae BS OSS Eat ata 58 Tick Marks Segment Identification Markers 58 File Descriptions ee 58 BB is Lone xs etal ahi vents RR 58 BINI SiR Sa Ba 58 COVA iis oe sd So die DAI 58 PRI S o duy dove ew pu So ee Sov em Sis 58 Chapter 5 Using With Other Applications Importing Arbitrary Waveforms From Files 62 To import a CSV or PRN file 62 To import a file from Mathcad 62 Exporting Arbitrary Waveforms to Other Applications 63 To Export a Waveform Using the Clipboard 63 To

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