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1. File Edit Wave Func Interface Download Upload Window Options Help 72 MATH Sinewave 10 _Noise E 10 x a MEAN food ri ox N AN IST AT SA MM N i HW Il 1 001 a TEJE food STD Sinewave O xj 1 001 a MA food Wave List x OK Cancel MoveUp MoveDown NAME SIZE TYPE FileName SAVED DEVICE Downloaded BD 1000 STD No No 2 STD Noise 1000 STD No No B Math 1000 MATH No No Wave MATH screen m Wave Math Sinewave 10 _Noise x T Auto Normalize A Der ka es ET lol ok Cancel 5 5 Chapter 5 Sample Waveforms Sequence Waveform Example SEQ ARB SEQUENCE Waveform Example SEQ ARB Zj WaveWorks ProPlus C WWPP SAMPLES SEQ ARB alex File Edit Wave Func Interface Download Upload Window Options Help RETES sto woven ixi JN _ SAO AAA ez so wevers _ 2 PET k L 000 1 000 Ce KF1 000 F1 000 0 AAA a Wt E ES E Wave List amp frmWaveList E x OK Cancel MoveUp MoveDown NAME SIZE TYPE FileName SAVED DEVICE Downloaded 1 PA 1000 STD MATH W01 Yes No 2 Wave_2 1000 STD MATH W02 Yes No 3 Wave_3 1000 MATH MATH M03 Yes No Sequence Editor xl OK Cancel Show Option Add Insert Delete Copy Paste Cut Undo List Wave Total Steps 3 Stepl Wave Name Wave 5 6 Chapter 6 Standard Functions Chapter 6 Standard Functions Chapter 6 Standard Functions Waveform List Waveform List StdWave OK Parameter Cancel SineWave Sine XX
2. The waveform is computed by the following formula N waveform length FOR i 0toN 1 Wave i VFirst VLast Exp i TimeConst VLast NEXT i 6 15 Chapter 6 Standard Functions Sine X X Sinc Sine X X Sinc 1 Parameters 2 Computation The Sin X X waveform is created from the mid point of the waveform This waveform is also called as SINC pulse Width Specifies the number of points for the zero crossing pulse centered around the mid point of the waveform The value is equivalent to 2 7 Ampl amplitude Ofst offset The waveform is computed by the following formula N waveform length FOR i 0toN 1 c 2 n i N 2 Width Wave i Ampl SIN O Ofst NEXT i 6 16 Chapter 6 Standard Functions HAN Sine X X HAN Sine X X 1 Parameters 2 Computation The Sin X X waveform with Hanning window is created from the mid point of the waveform The waveform settings are identical to Sin X X Width Specifies the number of points for the zero crossing pulse centered around the mid point of the waveform The value is equivalent to 2 7 Ampl amplitude Ofst offset The waveform is computed by the following formula N waveform length FOR i 0 to N 1 HAN 1 2 COS Q T N 1 2 P 2 T i N 2 Width Wave i Ampl SIN HAN Ofst NEXT i 6 17 Chapter 6 Standard Functions AM Amplitude Modulation AM Amplitude Modulation 1 Parameters Ce
3. Chapter 6 Standard Functions Gaussian Pulse Gaussian Pulse 1 Parameters 2 Computation Gaussian pulse is created in the center of the waveform screen In order to maintain the fidelity of the waveform try to keep the Time Constant value to be less than 1 5 of the waveform length The pulse becomes narrower as the Time Contant value is set to a smaller value The waveform is computed by the following formula N waveform length FOR i 0 to N 1 Wave i Ampl EXP i N 2 2 TimeConst 2 Ofst NEXT i Chapter 6 Standard Functions Pulse 1 Pulse 1 1 Parameters 2 Computation With the exception of Duty parameter all other parameters are similar to those of square wave At Duty 50 the waveform is a square wave Review the section on square wave 6 12 Chapter 6 Standard Functions Pulse 2 Pulse 2 1 Parameters ar Jr Js fa poe IAEA IEC ICI EC EEC IZ AECI AECI CI EEC YA AA JA IEC AENA ACI ERC IE RAJA Ga ap 2 Computation Cycles number of cycles in a waveform The following four parameters are based on one cycle 100 T_Delay time in from the start of waveform to the rising edge of the pulse The pulse level is at Low up to the start of the rising edge T_Rise time in from the start of the pulse to High level T_High time in from the start of High level to the start of the Fall edge T_Fall time in from the start of the pulse falling edge to the Low le
4. Han SineX7X Analog Noise CosineWave Comb Square FIR_LPF 7 Triangle o Cont Sweep a C Ramp Step Sweep Binary FSK Burst Sweep Gaussian Pulse Binary PSK Cardiac Lines Low Pass Filter NTSC YHR Pulse PAL Exponential Digital Noise Chapter 6 Standard Functions Sinewave Sine wave 1 Parameters CCE AE U AE REC EE 2 Computation Cycles number of cycles of sinewave Phase initial phase of sinewave Ampl amplitude Ofst offset Power exponent The waveform is computed by the following formula N waveform length 2 m Cycles N Phase 180 1 FOR 0to N l Wave i Ampl SIN 1 0 Power Ofst NEXT i 6 4 Chapter 6 Standard Functions Cosinewave Cosinewave 1 Parameters a m 2 Computation Cycles number of cycles of cosinewave Phase initial phase of cosinewave Ampl amplitude Ofst offset Power exponent The waveform is computed by the following formula N waveform length 2 m Cycles N Phase 180 m FOR i 0 to N l Wave i Ampl COS i _ Power Ofst NEXT i 6 5 Chapter 6 Standard Functions Squarewave Square wave 1 Parameters 2 Computation Cycles number of cycles of square wave Phase initial phase of square wave same as the zero crossing of sinewave High output level of phase 0 to 180 Low output level of phase 180 to 360 Rise Time time to tran
5. Telephone 440 466 6100 Fax 440 466 6110 E mail sales tegam com The TEGAM WaveWorks Pro Software allows you to create edit and analyze waveforms in a Windows environment The software package provides a communications link between a personal computer PC and TEGAM Arbitrary Waveform Generators In addition you may retrieve and modify the data you have captured on a digital storage oscilloscope DSO using this software TEGAM WaveWorks Pro s key features allow you to e Create edit and analyze arbitrary waveforms up to 32 000 points in length e Access 32 commonly used standard waveforms with parameters e Create new waveforms using a graphical and comprehensive waveform math package e Create new waveforms using an optional sequence generator Repeat and link waveforms e Analyze and edit waveforms in the frequency time or digital data domain e Import and export data files in 8 formats including popular spreadsheet formats e Transfer waveforms to TEGAM Arbitrary WaveformGenerators e Save waveforms to a project file for later use e Print waveforms to use in your documentation IV Conventions Used in this Manual Throughout this manual the following typeface or abbreviations are used to improve the readability and enable you to find the information you need Ver software version of WaveWorks Pro AWG Arbitrary Waveform Generator DSO Digital Storage Oscilloscope WWP WaveWorks Pro CANCEL This typeface is
6. You may view the list in graphic form by choosing Graph on the Menu Bar Click Quit to return to the harmonic listing Click CANCEL or OK to return to the main form amp Harmonics Editor OK Cancel Edit Graph Wave_3 Size 1000 Full Scale 1 Auto Scale in Time Domain Amp Phase in Sine Edit C dB Phase in Sine C dB Phase in Cosine 359876 Harmonics Editor 4 Wave_3 Spectrum Graph Cycles NOTE Use the blue and red markers to indicate the frequency and amplitudes as shown on the X and Y axes To zoom in on a specific frequency range put the mouse pointer at the begin ning frequency point within the Graph area Click and drag the mouse pointer towards the right and a dotted box will outline the frequency range to be zoomed in on 2 9 Chapter 2 Quick Start To Create Save and Output an Arbitrary Waveform 8 Choose File Save Project As to save the waveforms in the project file After each waveform is saved asterisk next to the waveform name in the title bar of the waveform window will be deleted WaveWorks ProPlus C WWPP UNTITLED ARB File Edit Wave Func Interface Download Upload Window Options Help File name Folders a testare c Wwwpp Read only ford arb manual1 arb norm arb pilot_i arb pilot_q arb skunk arb md Save file as type Drives ae files arb y c 2 10 Chapter 2 Quick Start To Creat
7. c i c Index MOD Ofst NEXT i 6 19 Chapter 6 Standard Functions PWM Pulse Width Modulation PWM Pulse Width Modulation 1 Parameters rs po Je ps e pa po A BRECHEN BEE HERE EEE on mas of m m am a EI ZU HERRCHEN ER HE EEE 2 Computation ModFreq frequency of modulating sinewave ModPhase initial phase of modulating sinewave CrrFreq frequency of carrier square wave CrrPhase initial phase of carrier square wave Index pulse width modulation index High high level of square wave Low low level of square wave 6 20 Chapter 6 Standard Functions SCM Suppressed Carrier Modulation SCM Supressed Carrier Modulation 1 Parameters a gt gt gt e gt pe om AA 2 Computation Suppressed carrier modulated SCM sinewave The waveform is the same as AM without carrier ModFreq frequency of modulating sinewave ModPhase initial phase of modulating sinewave CrrFreq frequency of carrier sinewave CrrPhase initial phase of carrier sinewave Ampl amplitude of carrier sinewave Ofst DC offset of carrier sinewave The waveform is computed by the following formula N waveform length m 2 r ModFreq N m ModPhase 180 1 c 2 x CrrFreq N c CrrPhase 180 rn FOR i 0 to N I MOD SIN m i m CARRIER SIN c i1 c Wave i Ampl MOD CARRIER Ofst NEXT i 6 21 Chapter 6 Standard Functions BFSK Binary Frequency Shi
8. number of bits You may change the number of bits in the waveform Normally you must match the number of bits used in the target AWG lt 16 However if the waveform is converted to a Dp type the recommendation is not to change the number of bits When the waveform is Std Math or Seq type the waveform is computed based on 32 bit single variables regardless of the bit setting When Point Editor Digital Pattern Editor or Harmonic Editor is used to edit a waveform the number of bits has significant impact on the operation When downloading a waveform to an AWG or uploading data from a DSO the number of bits is automatically specified for the selected instrument Therefore you must specify the number of bits of the selected AWG for a waveform File Types WaveWorks Pro supports several types of files for the storage of data Project File ARB This file contains the instrument setup file STP and the waveform file listing Each waveform is read in the order of the listing beginning at the top The order of the listing is very important for the math or sequence operation to perform properly The waveform used as a parameter for the math or sequence operation must be read prior to the operation Instrument Setup File STP The settings of the AWG or DSO used to perform the project are contained in this file If you do not specify an AWG or a DSO for a project this file will be empty Waveform Files Waveform files
9. 2 5 volts and the 1 relative amplitude will be scaled to 2 5 volts The sinewave will be centered around zero volts The desired output voltage may be set on the front panel of the generator or on the Download Setup form when the waveform is sent to the AWG The Y values of the starting and ending points in your waveform can cause unexpected discontinuities if they are not the same value The waveform generator output will jump from the ending value to the starting value each cycle If you are using the sequence generator in an arbitrary waveform genera tor or in this software the ending value of a waveform will jump to the starting value of the next waveform in the sequence For a smooth transient free waveform output be sure the starting and ending values are the same for a single waveform and the starting and ending values of adjacent waveforms are the same for a sequenced waveform 3 6 Chapter 3 Using WaveWorks Pro About Arbitrary Waveforms About TEGAM WaveWorks Pro Waveforms consist of one or more segments of X and Y points which can be created in TEGAM WaveWorks Jr in a number of ways including drawing the waveform in line vertex mode inserting standard waveshapes applying mathematical operations combining and repeating waveforms in sequence mode and importing X Y data from other applications or data files Any of these methods can be combined to create more complex waveforms Any waveform can be up to 32 000 points
10. Rise Fall Time of Color Signal 250 n sec 7 Delay from the falling edge of Horizontal Synch Signal to the start of Color Burst Signal 19 cycles 8 Rise Fall Time of Color Burst Signal 250 n sec Automatic amplitude correction is provided based on the number of points in one color burst cycle PAL 1 Parameters Teer gt gt Tees Twice os om A a pa em a pa a po ams po a gt pa AAA 2 Computation PAL signal is very similar to the NTSC signal For the color bar signal use color bar pattern number Pattern 5 for PAL_I and color bar pattern Pattern 6 for PAL_BG Since the timing is different from NTSC signal and IH 64 u sec use 1024 points for 16 MHz sample clock Since one horizontal line 1H contains 1135 4 cycle of color carrier frequency do not use waveform length less than 1024 points By using 0 90 180 or 270 for By_Phase phase between carrier and video signal will be adjusted automatically 6 26 Chapter 6 Standard Functions Digital Noise Digital Noise 1 Parameters 2 Computation Random patterns of High or Low values are repeated in every interval of Step Width Since you do not specify the seed values the pattern will not likely repeat again Analog Noise 1 Parameter Parameters Defaults Minimum Maximum Resolution 2 Computation The function synthesizes white noise up to the specified BandWidth 6 27 Chapter 6 Standard
11. Select a waveform window Choose Wave Setup on the Menu Bar You will have access to the sync setup frame which is located at the lower section of the screen Define the Start and Length for each sync pulse Click the corresponding check box to set the sync pulse on the waveform window Click the check box again to turn off the sync pulse on the waveform window If the sync pulses are displayed on the waveform window when you are down loading the waveform to an AWG the sync pulses will be downloaded simultaneously provided that the AWG is capable of accepting the sync data Sequence type Waveforms If you are editing a sequence type waveform in the selected waveform window you are not allowed to set the Start and Length values since sync pulses are defined only within the waveforms used as sequence parmeters or waveforms in the sequence steps If you are downloading a sequence type waveform to an AWG without sequence capability such as 2201A and 2205A the waveform is first converted to a single waveform and then downloaded to an AWG as a single waveform without the Sync data If you need a Sync pulse for a sequence waveform Choose Wave Setup Sync Type Mine This step will allow you to access the sync parameter frame Set Sync parameters Click OK to view the customized Sync pulse on the waveform window Download the sequence waveform 3 14 Chapter 3 Using WaveWorks Pro Basic Operations of Mouse in WaveWorks
12. Waveform Windows Waveforms created in TEGAM WaveWorks Pro are displayed in waveform windows Waveforms consist of one or more segments which can be created by inserting standard func tions point editing line drawing and performing extensive mathematical operations In addition waveforms may be linked and repeated by using sequence edit to create a long complex waveform Viewing of digital pattern of waveform is also avail able You can create virtually any arbitrary waveform you need in the graphical comfort of the Windows Starting and Closing TEGAM WaveWorks Pro Starting TEGAM WaveWorks Pro can be started in one of three ways e From the WaveWorks Pro program group double click on the TEGAM WaveWorks Pro icon e From the Windows File menu choose Run and assuming TEGAM WaveWorks Pro was loaded in a directory named WWP enter c wwp wwp Once started the TEGAM WaveWorks Pro screen can be positioned sized maximized or reduced to an icon using the standard Windows controls in the Title Bar e From the DOS prompt assuming TEGAM WaveWorks Pro was loaded in a directory named wwp type win c wwp wwp 2 4 Chapter 2 Quick Start To Create Save and Output an Arbitrary Waveform Closing You can exit from TEGAM WaveWorks Pro in one of two ways e Double click the Windows Control menu box on the Main form From the TEGAM WaveWorks Pro Menu Bar choose File Exit To Create Save and Output
13. a A HC a ee jo 2 Computation Frequency swept sine wave is created with the following parameters Ampl amplitude of sine wave Offset DC offset of sine wave Phase initial phase of sine wave F_Start starting frequency of swept sine wave F_Stop ending frequency of swept sine wave Sweep_type frequency sweep profile 1 linear sweep 2 logarithmic sweep Step Sweep 1 Parameters Parameters Defaults Minimum Maximum Resolution 2 Computation The waveform is similar to Continuous Sweep except that the frequency sweep is divided into discrete steps The number of steps are equally divided between the start and stop frequency values All remaining parameters are identical to Continuous Sweep Chapter 6 Standard Functions Burst Sweep Burst Sweep 1 Parameters 2 Computation The finite swept frequency is created by dividing a waveform into equal frequency steps defined by the number of steps The waveform is similar to Step Sweep In addition the rise time and the off time may be defined If Rise Time Stp O then the rise and fall times are added to the waveshape which has the equivalent rise or fall time of the sinewave at the step If OffTime Stp 0 then zero output of the off time of the first frequency step is added to the initial portion of each frequency step Otherwise the waveform is similar to Cont Sweep 6 32 Chapter 6 Standard Functions Cardiac EKG Waveform Cardiac EKG Wa
14. i WAVE_1 1 WAVE_2 1 MOD N2 NEXT i 8 6 Chapter 8 Math Operators MUL Multiplication MUL Multiplication 1 Parameters None 2 Computation The operator computes the multiplication of two input waveforms 1 and 2 If the lengths of both input waveforms are equal the output waveform length is same as the input waveform If one of the input waveforms is longer than the other then the output waveform length is the same as the length of the longer input waveform In this case the shorter input waveform will repeat the opera tion up to the end point of the longer waveform The following method is used to compute the output waveform N1 length of input waveform 1 N2 length of input waveform 2 N3 length of output waveform WAVE_1 i input waveform 1 i 0 N1 1 WAVE_2 1 input waveform 2 i 0 N2 1 WAVE_OUT i output waveform i 0 N3 1 where N3 LARGER_OF N1 N2 Assuming N1 lt N2 FOR i 0 to N2 1 WAVE_OUT i WAVE_1 i MOD N1 WAVE_2 1 NEXT i 8 7 Chapter 8 Math Operators DIV Division DIV Division 1 Parameters None 2 Computation The operator computes the division of two input waveforms 1 and 2 If the lengths of both input waveforms are equal the output waveform length is the same as the input waveform If one of the input waveforms is longer than the other then the output waveform length is the same as the length of the longer input waveform In this case t
15. 1 Parameter Parameters Defaults Minimum Maximum Resolution 2 Computation The operation is PM phase modulation of input waveform 2 by input waveform 1 The waveform 2 is the carrier and the waveshape must be SIN sinewave of STD FUNC standard function When the relative amplitude of waveform 1 is set to full scale 1 the output waveform is a phase modulated waveform where the phase deviation is specified by Phase_dev The output waveform length is the same as the input waveform 1 8 14 Chapter 8 Math Operators FM Frequency Modulation FM Frequency Modulation 1 Parameter Parameters Defaults Minimum Maximum Resolution 2 Computation The operation is FM frequency modulation of input waveform 2 by input waveform 1 The waveform 2 is the carrier and the waveshape must be SIN sinewave of STD FUNC standard function When the relative amplitude of waveform 1 is set to full scale 1 the output waveform is a frequency modulated waveform where the frequency deviation is specified by Freq_dev The output waveform length is the same as the input waveform 1 QAM Quadrature Amplitude Modulation 1 Parameter 60 2 Computation The output is a QAM quadrature amplitude modulation waveform which consists of two input waveforms 1 and 2 The following method is used to compute the output waveform OUTPUT_WAVE INPUT_WAVE I cos INPUT_WAVE2 sin 0 707 where 2 n Carri
16. Maximum Resolution 2 Computation This standard waveform can be edited by using Vertex Editor For the details please refer to the Vertex Editor section 6 24 Chapter 6 Standard Functions NTSC NTSC 1 Parameters Corr eo Ja fos gt o ps fos Qs a pa po MEU em aan on om e me pa o DOI m 2 Computation The waveform NTSC_CLRS is 1H one horizontal line of a color bar pattern for an NTSC color monitor For the detail description please refer to the NTSC specification ClrBst_Phs color burst phase ClrBst_Cyc number of cycles of sine waves in a color burst signal White_Level white level Black _Level black level Blank_Leve blank level Sync_Level sync pulse level Pattern color bar pattern number Amp_Correct amplitude correction of Chrominance To select a color pattern click Color Bars and then use Color Bar Editor The following restrictions apply if you are intending to drive an NTSC color monitor 1 Waveform Length 910 points or integer multiple of 910 points 2 Sample Clock of AWG 14 31818 MHz or integer multiple of 14 31818 MHz Assuming the above conditions are met the following parameters can not be changed 1 Front Porch 1 5 u sec 6 25 Chapter 6 Standard Functions PAL 2 Back Porch 4 7 u sec 3 Width of Horizontal Synch Signal 4 7 u sec 4 Width of Horizontal Blanking Signal 10 9 u sec 5 Rise Fall Time of Synch Signal 140 n sec 6
17. Pro Basic Operations of Mouse in WaveWorks Pro Zoom On the waveform display screens waveform windows standard function math and sequence preview screens if you drag the mouse while holding the left button toward the right lower comer from the left upper comer of the screen and then release the button the screen will display the zoomed portion of the waveform If you double click the left button while placing the mouse pointer on the screen you may return to the unzoomed full screen display X Axis Scroll You may scroll on the X axis by setting the ranges with Wave Setup Options Small dX or Options Large dX menus lt gt left or right scroll with the increment set by Small dX left or right scroll with the increment set by Large dX lx l scroll to the first or last address of the waveform Alternatively you may change the x axis span by clicking the X axis displays on the lower left and right corners of the screen Mouse left button will decrement the X axis span by the Large dX value If you hold the Shift key while clicking the X axis display the X axis span is decremented by the Small dX value Mouse right button will increment the X axis span by the Large dX value If you hold the Shift key while clicking the X axis display the X axis span is incremented by the Small dX value Y Axis Scroll Mouse left button will decrement the Y axis span by the Large dY value If you hold the Shift key while clicking
18. Section_of Sect Section_of 1 Parameters 2 Computation The output waveform is the result of data extracted between the specified addresses FROM TO of an input waveform and then modified with gain a and offset b The output waveform length is TO FROM 1 For a waveform with length 1000 you may specify the FROM and TO values minimum of 0 to maximum of 999 When a section of a waveform is needed in another application this function is very useful The following equation is used to compute the output waveform N input waveform length WAVE_IN i input waveform i 0 N 1 WAVE_OUT i output waveform i 0 TO FROM 1 FOR i 0 TO FROM WAVE_OUT i a WAVE_IN FROM i b NEXT i Chapter 7 Transfer Functions SQR aX72 b SQR a X 2 b 1 Parameters AE Se RE 2 Computation The output waveform is the result of squared values of input waveform data modified with gain a and offset b The output waveform length is same as the input waveform The following equation is used to compute the output waveform N input waveform length WAVE_IN i input waveform i 0 N 1 WAVE_OUT i output waveform i 0 N 1 FOR i 0 to N 1 WAVE_OUT i a WAVE_IN i 2 b NEXT i 7 6 Chapter 7 Transfer Functions ABS a IXI b ABS a IXI b 1 Parameters AO E A ee A 2 Computation The output waveform is absolute values of all data points of an input waveform
19. Transfer Functions Index 2 absolute ABS 7 7 band pass BandPass 7 18 cube CUBIC 7 8 DC cut 7 15 differentiation DIFF 7 14 exponential EXP 7 11 in phase Iphase 7 17 integration INTG 7 13 Q swap 7 18 Index Transfer Functions continued Z linear 7 4 zoom 3 15 logarithmic LOG 7 10 mirror 7 16 normalize NORM 7 15 null 7 4 polynomial POLY 7 12 quadrature phase Qphase 7 17 rotate 7 16 section of SECT 7 5 square SQR 7 9 Transfer Function List 7 3 transferring waveforms to AWGs 4 13 U uploading waveforms from AWGs 4 14 V Vertex Editor 3 11 Ww Wave List 4 5 Wave Math 4 6 Wave New 2 7 4 3 Wave Setup 3 15 waveform data conversion 3 11 waveform examples 5 3 waveform files 3 9 waveform list 4 5 Waveform Math 4 5 8 4 waveform name 3 8 waveform resolution 3 9 Waveform Sequence 4 8 waveform setup 3 8 waveform size 3 9 waveform types 3 7 Waveform Windows 2 4 X X axis scroll 3 15 Y Y axis scroll 3 15 Index 3
20. WWP waveform windows e Func Menu contains extensive commands for creating waveforms with standard functions math operations and sequences e Interface Menu contains commands for configuring and testing the PC to AWG interface e Download Menu contains commands for sending the contents of the waveform window and the parameter controls to the arbitrary waveform generator e Upload Menu contains commands for reading the contents of the specified waveform data and the parameter settings of the arbitrary waveform generator e Windows Menu contains commands for standard Windows operations such as cascade tile and arrange icons Options Menu contains unzoom span x increment y axis labels and pointers commands for the waveform window s operations e Help Menu contains information on WaveWorks Pro 2 3 Chapter 2 Quick Start TEGAM WaveWorks Pro Components TEGAM WaveWorks Pro Components Title Bar Menu Bar File Edit Wave Func Interface Download Upload Window Options Help Form WERTET 5 x A anal Title Bar The Title Bar provides the standard Windows Control menu box and sizing buttons 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 select the menus by holding the Alt key and typing the underlined letter of the menu choice for example Alt E will display the Edit menu
21. an Arbitrary Waveform This example demonstrates how to use TEGAM WaveWorks Pro An arbitrary wave form is created edited saved and output to the selected TEGAM arbitrary waveform generator 1 Start WaveWorks Pro as described on the previous page You shoud have an empty waveform window 1 displayed if the default setting is chosen The waveform length is set to 1000 points Click OK WaveWorks ProPlus EF ex File New Waveform Name Size Bits Wave_1 hi 000 12 Previously Used Names 2 5 Chapter 2 Quick Start To Create Save and Output an Arbitrary Waveform 2 Place a sine wave in the waveform window by choosing Func Stdwave Select SineWave and then click SHOW to view and OK to accept the waveform If you used the default parameters the waveform is a one cycle sinewave starting at 0 with 100 amplitude STD Wave Options EE A Size 1000 Af si lt llo show ok Cancel 7 WaveWorks ProPlus C WWPP UNTITLED ARB E laj xj Fie Edit Wave Func Interface Download Upload Window Options Help 11x Ad sc dd gt gt 21 2 6 Chapter 2 Quick Start To Create Save and Output an Arbitrary Waveform 3 Choose Wave New Click OK to create waveform window 2 4 Choose Func Stdwave Choose SineWave Choose Parameter to set the sinewave parameters Select Cycles 3 Phase 90 Ampl 0 5 and then click SHOW to preview the waveform in the parameter form You now h
22. an error message will indicate the faulty condition If an AWG is connected to the PC and the current waveform window a sequenced waveform has selected the waveform generator as the download target and the prior downloading of the parameter waveforms has been completed then you may use the downloaded waveforms as the sequence parameters In this case some restrictions apply to the waveform naming Digital Pattern Dp The three waveform types Std Math Seq are stored in the memory by waveshapes equations and parameters However the waveform edited by the following editors Point Digital Harmonic or imported from other applications is stored in the memory using point by point waveform data Dp Using digital pattern Dp 4 bytes per point are required to store the data Waveform Setup The waveform windows may be set up by Wave Setup menu Waveform Name You may change the waveform name If the name is used as a parameter in the 3 8 Chapter 3 Using WaveWorks Pro File Types other waveform window for Math or Sequence type then the name change will automatically update the previous name Waveform Size The maximum length must be less than 32 000 If the waveform type is either Math or Seq you do not have to set the length The adjustment is automatic After changing the length you must recompute the waveform Choose Func StdWave Func Math or Func Seq menu to create the new waveform Waveform Resolution
23. modified with gain a and offset b The output waveform length is same as the input waveform The following equation is used to compute the output waveform N input waveform length WAVE_IN i input waveform i 0 N 1 WAVE_OUT i output waveform i 0 N 1 FOR i 0 to N 1 WAVE_OUT i a WAVE_IN i b NEXT i 7 7 Chapter 7 Transfer Functions CUBIC a X73 b CUBIC a X 3 b 1 Parameters EE ASES i 2 Computation The output waveform is cubed values of all data points of an input waveform modified with gain a and offset b The output waveform length is same as the input waveform The following equation is used to compute the output waveform N input waveform length WAVE_IN i input waveform i 0 N 1 WAVE_OUT i output waveform i 0 N 1 FOR i 0 to N 1 WAVE_OUT i a WAVE_IN i 3 b NEXT i 7 8 Chapter 7 Transfer Functions SORT a X1 1 2 b SORT a X 1 2 b 1 Parameters E E ETE EAS 2 Computation The output waveform is square root values of all data points of an input wave form modified with gain a and offset b The output waveform length is same as the input waveform When the input data is a negative value the square root of the absolute value is first computed and then negative sign is assigned The following equation is used to compute the output waveform N input waveform length WAVE_IN i input waveform i 0 N 1 W
24. per waveform For a combined waveform created using the sequence mode the waveform length can be more than 2 billion points Waveform Types Standard Waveshapes Std 32 standard functions are included in WaveWorks Pro version 2 0 You can easily create standard waveshapes by specifying the waveform length function and the parameters The length must be a minimum of 2 points and a maximum of 32 000 points Mathematical Operator Waveforms Math A new waveform is created by applying mathematical operations on the previously created waveforms The input waveforms can be any one of the four types Std Math Seq Dp The lengths of the input waveforms must be equal to or less than 32 000 points The resulting waveform length can vary depending on the mathematical operations and functions but can not be longer than 32 000 points When a math operation is performed to create a new waveform you do not have to specify the new waveform length prior to the operation You may use the default length setting The following equation is used to compute the new waveform NewWave F Wave l Op G Wave 2 where Wave l Wave 2 waveforms created prior to math operation F G transfer functions Op mathematical operations on two input waveforms Although you may change the input waveforms for the operations at a later time the math operation will not take place automatically In order to update the math waveform select the waveform choo
25. the Y axis display the Y axis span is decremented by the Small dY value Mouse right button will increment the Y axis span by the Large dY value If you hold the Shift key while clicking the Y axis display the Y axis span is incremented by the Small dY value You can set the Small dY and Large dY values with Wave Setup menu You may change the Y axis span by clicking the Y axis displays on the upper and lower right corners of the screen Panning If the waveform is zoomed you may pan the expanded waveform by clicking the right mouse button The panning range is limited by the zoomed area 3 15 Chapter 4 Waveform Creation Chapter 4 Waveform Creation 4 2 Chapter 4 Waveform Creation Creating Waveforms Creating Waveforms The general file system of WaveWorks Pro consists of two types The project file contains the instrument setup STP and all the waveforms needed to create the application You may save any waveform as a single waveform file W MHH SHH D H or T or as a project file ARB In general it is easier to keep track of your project using the project file system To open a new project select File New Project from the Menu Bar To open a waveform window choose Wave New from the Menu Bar New Waveform dialog box will appear allowing you to specify the waveform length and name Click OK after you have specified the parameters Then the new waveform window will be displayed Form Standard W
26. 1 FIR computation Chapter 8 Math Operators INTO Insert Into INTO Insert Into 1 Parameters 2 Computation The operator inserts input waveform 1 into waveform 2 for the interval specified by the addresses FROM and TO The length of the output waveform is the sum of the two input waveform lengths If the value of TO FROM 1 is shorter than the length of input waveform 1 the inserted data is extracted from the values between the address O and the TO FROM of waveform 1 If the value of TO FROM 1 is longer than the length of the input waveform 1 the inserted data will repeat the same data from address 0 until the data is filled to the end point of waveform 2 The following method is used to compute the output waveform Ni length of input waveform 1 N2 length of input waveform 2 WAVE_1 i input waveform 1 i 0 N1 1 WAVE_2 1 input waveform 2 i 0 N2 1 1 Copy WAVE_2 to WAVE_OUT FOR i 0 to N2 1 WAVE_OUT 1 WAVE_2 1 NEXT i 2 Insert WAVE_1 into the address interval specified by FROM and TO 1 FOR i 0 to TO FROM WAVE_OUT FROM i WAVE_1 i MOD N1 NEXT i 8 12 Chapter 8 Math Operators ADIN Add Into ADIN Add Into 1 Parameters 2 Computation The operator adds input waveform 1 into waveform 2 for the interval specified by the addresses FROM and TO The length of the output waveform is the same as input waveform 2 If the value of
27. 4 7 Chapter 4 Waveform Creation Creating Waveforms Waveform Sequence You may create a long and complex waveform by looping and linking previously created waveforms For this example New Project create the following Wave l Gaussian Pulse Time Const 1 Ampl 1 Ofst 0 Size 1000 Wave 2 Pulse 2 Cycles l T Delay 10 T Rise 20 T High 40 T Fall 20 High 1 Low 0 Trans Shape 0 Size 100 Wave 3 Han Sin X X Width 100 Ampl l Ofst 0 Size 1000 Wave 4 to accept the Sequence result Size 1000 size will adjust automatically 1 Select the target waveform window by clicking the Title Bar of the waveform 2 Choose Func Sequence from the Menu Bar Wave 4 3 Choose Wave List from the Menu Bar to select the first waveform in the sequence Wave l Click the right column of the Wave List and enter the loop count in the text box 1 4 Choose ADD from the Menu Bar to add number of steps in the sequence 5 Click the center column of step 2 and select the second waveform in the sequence Wave 2 Click the right column of the Wave List and enter the loop count in the text box 4 6 Repeat the above steps 4 and 5 until the sequence list is completed Wave 3 1 7 Click SHOW to preview the new sequence waveform To view the entire sequence waveform click Option Xspan Max and note the total waveform 8 Click OK to complete the operation or CANCEL to abort the process amp Sequence Editor x OK Cancel Show Op
28. AVE_OUT i output waveform i 0 N 1 FOR i 0 to N 1 WAVE_OUT i a WAVE_IN i 1 2 b NEXT i 7 9 Chapter 7 Transfer Functions LOG a LOG X 11 b LOG a LOG X 11 b 1 Parameters Parameters Defaults Minimum Maximum Resolution 2 Computation The equation used to compute the output is dependent on the sign of the input data If the input data is a positive value the transfer function utilizes the nght half of y log x 1 If the input data is a negative value the transfer function utilizes the left half value of y log x 1 after the equation is rotated 180 around the origin Values are modified with gain a and offset b The output waveform length is same as the input waveform The default parameter of a is 1 log 2 The following equation is used to compute the output waveform N input waveform length WAVE_IN i input waveform i 0 N 1 WAVE_OUT i output waveform i 0 N 1 FOR i 0 to N 1 IF WAVE_IN i gt 0 THEN WAVE_OUT i a LOG WAVE_IN i 1 b ELSE WAVE_OUT i a LOG 1 WAVE_IN i b ENDIF NEXT i 7 10 Chapter 7 Transfer Functions EXP a EXP IXI 1 b EXP ta EXP IXI 1 b 1 Parameters AAA MALE A 2 Computation The equation used to compute the output is dependent on the sign of the input data If the input data is a positive value the transfer function utilizes the right half of y exp x 1 If th
29. Functions Comb Comb 1 Parameters 2 Computation Freq_Start minimum frequency of Comb Freq_Spacing frequency spacing of Comb Combs number of Combs Phase_Pattern 0 random phase between 0 and 360 1 repetition of 0 and 180 2 repetition of 90 and 270 6 28 Chapter 6 Standard Functions FIR Low Pass Filter FIR Low Pass Filter 1 Parameters Defaults Maximum Resolution 2 Computation This waveform is the waveshape of the windowing function for a non recursive filter The default setting is Hanning window Various filter types may be constructed by entering proper values in parameters a2 a8 Se Jefa efe j se remis os as fo fo fo a os pa oo jo eo acon oe es om fo joo ss opos os jo Cos 4 0 3125 0 46875 0 1875 0 03125 0 ser GI Blackman Harris ps omer Te Japos ea cm aus comes o gt gt gt em ea accor LG RO oo Gemessen A aes oom EN 6 29 Chapter 6 Standard Functions Steps Steps 1 Parameters 2 Computation A staircase like step waveform is defined by the following parameters Level_Start first level of step waveform Level_Stop last level of step waveform Steps number of steps in step waveform Rise Time Stp rise fall time 10 90 of level of each step For Rise Time Stp 60 there will be no flat portion of steps 6 30 Chapter 6 Standard Functions Continuous Sweep Continuous Sweep 1 Parameters
30. LINEAR FIR_filter 2 Computation The operator performs the FIR computation of two input waveforms 1 and 2 The entry order of two input waveforms are not significant For type 1 the output waveform length is the longer of the two input wave forms For type 2 the output waveform length is the sum of the two input waveform lengths When N1 length of input waveform 1 N2 length of input waveform 2 and N1 lt N2 input waveform 1 is the wave shape of FIR filter impulse response and input waveform 2 is the waveform being filtered by FIR filter First N1 2 lt N2 must be met In addition one of the following conditions must be satisfied to perform the FIR computation 1 When N1 lt 1024 and N2 is one of the following lengths 1024 2048 4096 8192 2 When N1 lt 1024 and N1 N2 lt 8192 3 When N1 lt 2048 and N2 lt 16000 4 When N1 lt 4096 and N2 lt 32000 The following sequence is used to compute the output waveform For type 1 1 Divide the input waveform 2 into pieces if the waveform is too long for the CNV operation 2 Perform CNV convolution type 1 of the input waveform 1 and the waveform portion derived from step 1 3 Extract the applicable portion of the result of step 2 4 Repeat steps 1 2 and 3 if necessary For type 2 1 Extend the length of the longer of the two input waveforms to the sum of two input waveform lengths and enter zero 0 into the extended portion of the waveform 2 Perform type
31. M er N N E dE o Nba 3 15 KEARIESETOl leise oboe siria 3 15 Y AXIS rOl sr Bari BR rel 3 15 Pa usd lidia deleita 3 16 VII Chapter 4 Waveform Creation Creating Waveforms Standard Waveforms sisestus iens iian rE VEE Kaea 4 4 Line Drawing tai e he 4 5 Performing Waveform Math ooonconcnnconncnnonconncnoncnnncnnnnnnncno ccoo ac n anno 4 5 Waveform Sequences miii 4 8 Importing Data Saved from Other Applications uersessseesseensensnersneen 4 9 Exporting Data to Other Applications uuessesseesseesnersneesnnennennnnnnnn nn 4 10 Configuring the Interface iveco esencias risas A 12 Transferring Waveforms to the AWGooooccnnccnoccocnnocnnoccnnnconncnnccnnanancnnncnnnos 4 13 Waveform Upload 2 23 28 2220 n 4 14 Printing Waveforms its iii 4 15 Saving Projects and Waveforms uuesuerssersnnennesnnnnnnensnennnnesnnennennsnnnnennnn en 4 16 Chapter 5 Sample Waveforms Sample FlleSiioitci iets Er lisis 5 3 Waveform Example Sinn earna calada ici 5 3 Math Waveform ExampleS oooonconoccnonococnnocnnonnnoncnonoconacononnnn ran crono rn nccn naco nennnos 5 5 Sequence Waveform Examples u uusssesnnesnnessnnsensnsnnesnnesnnennnnnnnennn nen 5 6 Chapter 6 Standard Functions Wavelorm Eiste ui aan Woes irs deve el wate edhe ia evs 6 3 DIMES WAN RR RN 6 4 COSINE WAVE u ni Rn IH Le Hata a es 6 5 SQUARE WAVE inci AEE ec rev eces ads seenstiveeeesigev sein aaa tte ah tire 6 6 Tri
32. MI ap ee ee a a TR HA Protocot Ma AA i BEE io ann me 10 hardware AN EA Instruments Clear All Prg2711A Zur T Cancel ESE For the GPIB Setup 1 Choose INTERFACE on the Menu Bar 2 Drag and drop an AWG label from the selection on the GPIB address 3 Click the OK button to initialize the AWG connection If the initialization is successful the message box will indicate the connected instrument When you acknowledge the connection by clicking the OK button the screen will return to the Main Menu If an error is detected the dialog box will indicate the error message Click the CANCEL button to return to the Main Menu without initializing the interface connection 4 12 Chapter 4 Waveform Creation Transfering Waveforms to the AWG UN e For the RS 232 Setup Choose INTERFACE on the Menu Bar Drag and drop an AWG label from the selection on one of the COM ports Select the RS 232 setup to match the AWG serial setup Click the OK button to initialize the AWG connection If the initialization is successful the message box will indicate the connected instrument When you acknowledge the connection by clicking the OK button the screen will return to the Main Menu If an error is detected the dialog box will indicate the error message Click the CANCEL button to return to the Main Menu without initializing the interface connection Transferring Waveforms t
33. TG Integration INTG Q7 N a dt b 1 Parameters Parameters Defaults Minimum Maximum Resolution i AAA Ol EE EE AAA E 2 Computation The output waveform is an integration of the input waveform and then modified with gain a and offset b For example data is added between the address O to i multiplied with 27 N and then modified with gain a and offset b The coefficient 27 N is used to compute the equal amplitude of sinewave for the output when the input waveform is cosinewave N input waveform length The output waveform length is same as the input waveform The following equation is used to compute the output waveform N input waveform length WAVE_IN i input waveform i 0 N 1 WAVE_OUT i output waveform i 0 N 1 WAVE_OUT 0 2 n N WAVE_IN 0 a b FORi 1toN 1 WAVE_OUT i WAVE_OUT i 1 2 n N WAVE_IN i a b NEXT i 7 13 Chapter 7 Transfer Functions DIFF Differentiation DIFF N 2 T a d dt b 1 Parameters EA AA EA ESE AE EEE 2 Computation The output waveform is a differentiation of the input waveform and then modi fied with gain a and offset b For example output data at address 1 is the difference of the values of 1 and i 1 multiplied by N 2 n and then modified with gain a and offset b The coefficient N 2 r is used to compute the equal amplitude of cosinewave for the output when the input waveform i
34. TO FROM 1 is shorter than the length of the input waveform 1 the added data is extracted from the values between the address 0 and the TO FROM of waveform 1 If the value of TO FROM 1 is longer than the length of input waveform 1 the added data will repeat the same data from address 0 until the data is filled to the end point of waveform 2 The following method is used to compute the output waveform N1 length of input waveform 1 N2 length of input waveform 2 WAVE_1 i input waveform 1 i 0 N1 1 WAVE_2 1 input waveform 2 i 0 N2 1 WAVE_OUT i output waveform i 0 N2 1 1 Copy WAVE_2 to WAVE_OUT FOR i 0 to N2 1 WAVE_OUT 1 WAVE_2 1 NEXT i 2 Sum WAVE_1 into the address interval specified by FROM and TO 1 FOR i 0 to TO FROM 1 WAVE_OUT FROM i WAVE_OUT FROM i WAVE_1 i MOD N1 NEXT i 8 13 Chapter 8 Math Operators AM Amplitude Modulation AM Amplitude Modulation 1 Parameter Parameters Defaults Minimum Maximum Resolution 2 Computation The operation is AM amplitude modulation of input waveform 2 by input waveform 1 The waveform 2 is the carrier and the waveshape must be SIN sinewave of STD FUNC standard function When AM_ Index is set to 100 and the relative amlitude of waveform 1 is full scale 1 the output waveform is 100 modulated AM waveform The output waveform length is the same as the input waveform 1 PM Phase Modulation
35. WaveWorks Pro TM Waveform Creation Software for WindowsTM Instruction Manual PN 810019 CD Publication Date February 2004 REV C This owner s manual was as current as possible when this product was manuafactured However products are constantly being updated and improved Because of this some differences may occur between the description in this manual and the product you received TEGAM WaveWorks Pro Software TEGAM is a manufacturer of electronic test and measurement equipment for metrology calibration and production test We also provide repair calibration and other support services for a wide variety of test and measurement equipment including RF power sensor calibration systems RF attenuation measurement systems resistance standards ratio transformers arbitrary waveform generators micro ohmmeters LCR meters handheld temperature calibrators thermometers humidity and temperature control devices and more TEGAM also repairs and calibrates test and measurement equipment formerly manufactured by Electro Scientific Industries ESI Gertsch Keithley Instruments Lucas Weinschel and Pragmatic Instruments A complete list can be viewed on our Product Service Directory at www tegam com For more information about TEGAM and our products please visit our website at www tegam com or contact one of our customer service representatives at sales tegam com or 800 666 1010 TEGAM Ten Tegam Way Geneva Ohio 44041
36. all the waveforms used in the project All the unsaved waveforms are marked with asterisks on the title bar of each waveform window All the waveform data is stored in a binary format or equations To store the data in any other format such as CSV or PRN format review the section for importing and exporting waveform data To save a project 1 Select File Save Project As from the Menu Bar The Save As dialog box will appear 2 Enter the desired file name and click the OK button to save the file to disk If the waveforms which are the components of the project are not saved the Save As dialog box for each unsaved waveform will prompt you to save in a proper format Click the OK button to save each waveform To save a waveform 1 Select File Save Wave As from the Menu Bar The Save As dialog box will appear 2 Enter the desired file name assign a number for the extension and click the OK button to save the file to disk 4 16 Chapter 5 Sample Waveforms Chapter 5 Sample Waveforms Chapter 5 Sample Waveforms Sample Files This chapter describes sample waveforms you can create in TEGAM WaveWorks Pro Sample Files The following sample project files were placed in the WWP SAMPLES directory during installation Most of these waveforms in the project files were created in WaveWorks Pro Project Files Use File Open to open one of these files Once a file is opened the waveforms can be e
37. angle A TO 6 7 Custo aa 6 8 A RIA 6 9 QU tada odds 6 10 Gaussian Pulse 2 er EEE Eee 6 11 P lse l since O 6 12 Pulse sen ea ini san ee Ea 6 13 VHR Pulse titi lil asas 6 14 Exponential asinis ve ci ada En EN ade 6 15 SWEAT A COSINE isre orriei n E EEEE ENEEK NEA ASEENI Saaceeseaadebesssaagenss 6 16 HAN SME A eea dente e a a eaS 6 17 AM Amplitude Modulation ccccceesccecsseceeseceeeeceeeeceeeeeeaeceaeceeeeeeneeees 6 18 FM Frequency Modulation ceeeseceseescesceeseeeseecsaecsseeseesseeeseseaseneenaes 6 19 PWM Pulse Width Modulati0n cocoooccnnoocccnononccnnoonnccnononcnnnnonnnnnnonocnnnnnnos 6 20 SCM Suppressed Carrier Modulation cee eseeseceseceeeceseeeeeeeseeeneenaeen 6 21 BFSK Binary Frequency Shift Keying ns0sersneesnennennnnnnennen 6 22 BPSK Binary Phase Shift Keying o ooonoconncnnoninocnnoncnoncnoncnancnnnon caeeeaeenaeens 6 23 Ines ne a a nen is is Hl sen it 6 24 A ebenen RN 6 25 PAL essen E griegas les adbte debit Hatt enti aot dete 6 26 Digital Noise en een E AT E 6 27 Annalo NOLS era eii dress EE EAEra aaee E aeo E A Ee a 6 27 COMB AE AEEA A ENE ATS 6 28 FIR Low Pass Filt r ninine aaa enia lana 6 29 LSPS tia e ala ada E A E 6 30 VII Chapter 6 Standard Functions continued Continuous SWEEP EHE ee el en 6 31 SIED SWEED nissen feinen animals aan 6 31 Burst Sweep ans ia A inca beste 6 32 Cardiac EKG WaveforIM ooooocconooccnononnnocononccnonnononnn no
38. are stored in 4 types Depending on the types the extensions are 3 9 Chapter 3 Using WaveWorks Pro File Structure changed The extensions also contain the waveform numbers from 1 to 20 to denote the order of creation Std type gt W H Math type gt M Seq type gt S Dp type gt D BIN type gt TH where denotes the order of the waveform creation 01 20 Additional BIN type file is required for the Dp type waveform This is a 32 bit single variable data array typical of Visual Basic WaveWorks Pro Project ARB Instrument Setup STP Standard Waveform W Math Waveform M Sequence Waveform S Digital Pattern D Binary Data T File Structure 3 10 Chapter 3 Using WaveWorks Pro Editors Editors WaveWorks Pro has the capability of editing the waveform data using several methods Choose EDIT from the Menu Bar of the Main screen Then choose one of the four editors Point Editor Choose EDIT Point to activate this editor It will allow you to edit point by point the selected waveform in the spreadsheet style chart The waveform length must be less than 32 000 points Vertex Editor Choose EDIT Vertex or Func Std Wave and click Lines to bring up the screen Next select the specific vertex or segment change to be made and proceed with the editing process This editor describes either the vertex or segment to be al
39. ave a 3 cycle sinewave starting at 90 with 50 amplitude Click OK to transfer the waveform to waveform window 2 Options oe Size 1000 T Af si a gt gt gt J oJ OK Cancel Zj WaveWorks ProPlus C WWPP UNTITLED ARB lej xj File Edit Wave Func Interface Download Upload Window Options Help A lala o AA dea 2 7 Chapter 2 Quick Start To Create Save and Output an Arbitrary Waveform 5 Choose Wave New Click OK to create waveform window 3 6 Choose Func Math Click Wave_1 and select Wave 1 Click Wave_2 and select Wave 2 Click OP and select ADD Use the default selection Linear for the transfer function F and G Click SHOW to preview the computed waveform a saturated waveform Check Normalize and then click SHOW to preview the normalized waveform Click OK to transfer the waveform to waveform window 3 u Wave Math Wave_3 x Option Wave_3 F Wave_1 ADD G Wave_2 I Auto Normalize lo MUS PESA d a gt gt ET OK Cancel Y WaveWorks ProPlus C WWPP UNTITLED ARB E laj xj Fie Edit Wave Func Interface Download Upload Window Options Help La A O io x 11 dl I 12121 a 2 8 Chapter 2 Quick Start To Create Save and Output an Arbitrary Waveform 7 Choose Edit Harmonics while waveform window 3 is selected You can view the frequency components of waveform 3 Click Amp_Phs in sine to list the two frequency components of the waveform
40. aveform List Sine X X Han SineX X Sine Wave Analog Noise CosineWave Comb Square FIR_LPF Triangle o q o m TD a a a or m an lu 2 m a Cont Sweep Ramp SCM Step Sweep Binary FSK Burst Sweep Gaussian Pulse Binary PSK Cardiac Lines Low Pass Filter NTSC VHR Pulse PAL Exponential Digital Noise S 3 Chapter 4 Waveform Creation Creating Waveforms Standard Waveforms Standard waveshapes can be inserted in the waveform window by choosing Func Stdwave and selecting commands from the Standard Waveform List You may set the function parameters and preview the waveshape by clicking SHOW Click OK to insert the waveshape into the waveform window Form Standard Wave Sinewave Options SineWave Gees Power D Cid j O 7 N is Size 1000 Tied ea OK Cancel 4 4 Chapter 4 Waveform Creation Creating Waveforms LINE DRAWING Choose Func Stdwave and click Lines or choose Edit Vertex Draw the desired line based waveform by using vertex editing Modify vertex or line segments on the preview screen Click OK to insert the waveshape into the waveform window Form Line Draw u vertex Editor OK Cancel Editor Pattern Redraw Highlight Vertex Options 0 daa gt gt C Add Vertex C Add Segment Del Vertex C Del Segment 2 alten i C Mov Segment Y Grid_Y Zoom Pan Performing Waveform Math T
41. cy modulation FM 8 15 insert into INTO 8 12 multiplication MUL 8 7 phase modulation PM 8 14 quadrature amplitude modulation QAM 8 15 subtraction SUB 8 6 Math Operator List 8 3 Math Operator Waveforms 3 7 Math Waveform Example 5 5 Index 1 Index M continued menu 2 3 3 3 3 4 Menu Bar 2 3 2 4 O operand 8 4 operator 8 4 Options Small dX 3 15 Options Large dX 3 15 Options Xspan Max 4 8 P panning 3 16 PC serial port 4 12 Point Editor 3 11 printing waveforms 4 15 PRN 4 9 project file ARB 3 9 R RS 232 1 3 4 12 S sample files 5 3 sample rate 3 5 saving project 4 16 waveforms 4 16 Sequenced Waveform 3 8 Sequence Waveform Example 5 6 serial interface 4 12 Standard Waveforms 3 7 4 4 Standard Functions AM 6 18 analog noise 6 27 BFSK 6 22 BPSK 6 23 cardiac EKG 6 33 comb 6 28 cosinewave 6 5 DC 6 8 digital noise 6 27 Standard Functions continued exponential 6 15 FIR low pass filter 6 29 FM 6 19 Gaussian pulse 6 11 HAN sin X X 6 17 lines 6 24 NTSC 6 25 PAL 6 26 pulse 1 6 12 pulse 2 6 13 PWM 6 20 ramp 6 9 SCM 6 21 sine X X sinc 6 16 sinewave 6 4 square wave 6 6 squine 6 10 steps 6 30 sweep burst 6 32 continuous 6 31 step 6 31 triangle wave 6 7 VHR pulse 6 14 waveform list 6 3 Standard Function List 6 3 starting WWP 2 4 sync pulse 3 14 T Title Bar 2 3 2 4 transfer function 3 7 8 4
42. d the waveform type is converted to a DP type The frequency settings must be intergers larger than 0 and less than one half of the waveform length frequency 0 gt DC frequency 1 gt one cycle of sinewave comprising the entire waveform window Since less than 1 2 LSB values will be truncated after performing FFT even if you did not change the data you may not be able to recover the same waveshape after clicking OK due to elimination of harmonics greater than 1000 You may select one of the five units available for the frequency grid display by clicking the selection button Units Amplitude Phase Cos_Sin 1 360 Amp_Phs in cosine 1 360 phase relative to cosine dB_Phs in cosine OdB for 1 360 phase relative to cosine Amp_Phs in sine 1 360 phase relative to sine dB_Phs in sine OdB for 1 360 phase relative to sine 3 13 Chapter 3 Using WaveWorks Pro Sync Pulse p If you change any data on the grid you are not permitted to select another display unit Sync Pulse Individual Waveforms You may define up to four sync pulses in this application The location of a sync pulse is synchronous to the waveform address as defined You may not be able to use the sync pulses you define in this application if the AWG you are going to down load the waveform into does not have the facility to utilize the sync data Please review the sync pulse section of the AWG manual To define and view the sync pulse
43. dited analyzed and saved Project File Name Description WAVARE MATH ARB MATH example 10 noise added to sinewave SEQ ARB Sequence example 3 step sequence of 3 waveforms Waveform Examples WAVE ARB Waveform Name Size Sample Description Clock Half wave_rectified 1000 60 kHz 60Hz half wave rectified waveform Full wave_rectified 1000 60 kHz 60Hz full wave rectified waveform 1000 po Sinewave with 3rd harmonic distortion A mm gt _ Bamannmsirmenamaen Bonn ma gt Mm OS o e 5 3 Chapter 5 Sample Waveforms Waveform Examples WAV ARB Waveform Windows BA WaveWorks ProPlus C WWPP SAMPLES WAYVE ARB lal Fie Edit Wave Func Interface Download Upload Window Options Help iol x lolx E I 0 dt hi a EE nix o at sd lt I gt gt gt gt tooo o Jd sd lt A l l al Zoe 3rd_Harmonie FE oix 8 51x E por o dd sd l gt gt gt 21 ooo ld Jd sd dd 2 2 Zoe Ringing Squorewave oix Y E ug alo Bo We Hlal moo ad Wedd l ll boo Wave List CA lt lt x OK Cancel MoveUp MoveDown WAVE DO1 Not Found DP WAVE DO2 Yes No DP WAVE DO3 Yes No DP WAVE DO4 Yes No DP WAVE DOS Yes No PSK __ STD WAVE W06 Yes No z Railroad bell O3 DP WAVE DO7 Yes No e Car_horn WAVE DO8 5 4 Chapter 5 Sample Waveforms MATH Waveform Example MATH ARB MATH Waveform Example MATH ARB FZ waveworks ProPlus C WWPP SAMPLES MATH ARB q l8 x
44. e Save and Output an Arbitrary Waveform instrument model number in the message box interface Setting Choose INTERFACE on the Menu Bar Examine the TEGAM waveform generators listed at the lower left corner of the screen If you have connected the TEGAM generators to one of the PC COM ports with the RS 232 cable shown on page 1 3 you are ready to initialize the communications link The RS 232 settings of the generator must be the same as the PC COM port settings Drag and drop the generator label on the selected COM port label Click OK to initialize the connection If the initial verification is successful the software will report with an GPIB RS 232 Parallel Port Type National Instruments Keithley CEC COM LPT iB 11 21 1 A 2 nee A 2 2 I Protocol E TE vcr orks Propus mE 5 Ji5 COM2 Setti 6 16 lt Prg2414a gt dectected at Com 1 Ra A T 17 Sequencer Option is installed A JR COM2 Handshake hardware CO Clear All Prg2202A Prg2414A Prg27144 0 N cael i 0 er u we A Comi Prg2414a Setup Cancel Chapter 2 Quick Start To Create Save and Output an Arbitrary Waveform 11 Choose Download Go on the menu bar to initiate the downloading of waveform 3 data You may specify the destination waveform number in the generator on the Waveform Download screen Click OK to start downloading the data x Wawao 2 Wave Name Prg2414a OK Devic
45. e Name Com1 RS232 COM2 Channel Number waves B Make sure that you are using the correct cable with this software It is important to connect the cable ends to the appropriate unit i e PC to PC COM port Instrument to the waveform generator RS 232 connector If the Download Go menu is not active gray WaveWorks Pro did not find a TEGAM Arbitrary Waveform Generator on the specified interface Check that the arbitrary waveform generator is properly connected to the computer and turned on 2 12 Chapter 3 Using WaveWorks Pro Chapter 3 Using WaveWorks Pro 3 2 Chapter 3 Using WaveWorks Pro Menu WaveWorks Pro ul New Project Open Project Paste Save project Point Save Project As Vertex New Wave Digital Pattern Open Wave Harmonic Save Wave Sequence Save Wave AS Delete Wave Import Wave Export Wave Bee Setup List Print Setup Menu WaveWorks Pro 3 3 Chapter 3 Using WaveWorks Pro Menu WaveWorks Pro Interface Upload Windows 3 4 Cascade Tile Arrange Icon Options Small dX Large dX Show Y axis Labels Show Pointer XY Chapter 3 Using WaveWorks Pro About Arbitrary Waveforms This chapter describes procedures components and features you will use in TEGAM WaveWorks Pro About Arbitrary Waveforms In an arbitrary waveform generator you will define a wa
46. e input data is a negative value the transfer function utilizes the left half value of y exp x 1 after the equation is rotated 180 around the origin Values are modified with gain a and offset b The output waveform length is same as the input waveform The default parameter of a is 1 exp 1 1 The following equation is used to compute the output waveform N input waveform length WAVE_IN i input waveform i 0 N 1 WAVE_OUT i output waveform i 0 N 1 FOR i 0 to N 1 IF WAVE_IN i gt 0 THEN WAVE_OUT i a EXP WAVE_IN i 1 b ELSE WAVE_OUT i a EXP WAVE_IN i 1 b ENDIF NEXT i Chapter 7 Transfer Functions POLY Polynomial POLY 2 an X n 1 Parameters IAE ECOS IC IC NC DENCIA HC ICI ERC IEC eS ICI ICI ERC IEC INE IEC ICI EC ERC EEE ZU HEHE ICI IEC HEHE AAA BEL DEE ZU HERE HE ICI ERC EEE a A HE HERE 2 Computation The output waveform is the addition of raised values by n of all data points of an input waveform modified with gain a The output waveform length is same as the input waveform The following equation is used to compute the output waveform N input waveform length WAVE_IN i input waveform i 0 N 1 WAVE_OUT i output waveform i 0 N 1 FOR i 0 to N 1 WAVE_OUT i 0 clear the output FOR n 1 to 9 WAVE_OUT 1 WAVE_OUT i an WAVE_IN G n NEXT n NEXT i 7 12 Chapter 7 Transfer Functions IN
47. er_Freq t Phase_Ofst 180 n 8 15 Index Index Index A About Aritrary Waveforms 3 5 3 6 About WaveWorks Pro 3 7 addition 2 8 8 5 amplitude Ampl 2 7 Auto Normalize 4 6 AWG V 3 6 3 8 4 12 4 13 B BIN type file 3 10 C closing WWP 2 5 computer interface requirements 1 3 conventions used in this manual V configuring the interface 4 12 CSV 4 9 4 10 D DAC 3 5 3 6 DC 6 8 Digital Pattern 3 8 Digital Pattern Editor 3 11 Download Go 2 12 Download Setup 2 11 4 13 E Edit Digital Pattern 3 11 Edit Harmonics 2 9 3 13 Edit Point 3 11 Edit Vertex 3 11 4 5 Editors 3 11 equipment required 1 3 Excel 4 9 exporting data 4 10 F FFT 3 13 file structure 3 10 file types 3 9 File Exit 2 5 File Export Wave 4 10 File Import Wave 4 9 File New Project 4 3 F continued File Save Project As 2 10 4 16 File Save Wave As 4 16 Form 2 4 Func Stdwave 2 6 3 9 4 4 Func Math 2 8 3 7 3 9 Func Seq 3 9 G GPIB 1 3 4 12 H Harmonic Editor 3 13 Help 2 3 l IEEE 488 1 3 1 5 4 12 IFFT 3 13 importing data 4 9 installing WaveWorks Pro 1 4 instrument setup file STP 3 9 interface 1 3 2 10 4 12 4 13 L line drawing 4 5 M Math Operators add into ADIN 8 13 addition ADD 8 5 amplitude modulation AM 8 14 cascade CAS 8 9 convolution CNV 8 10 division DIV 8 8 FIR filter FIR 8 11 frequen
48. es this as the fundamental or the first 1 harmonic Based on this interpretation all higher harmonics are a multiple of the fundamental Because of this criteria certain restrictions are placed on the length of the complete waveform to obtain integer value lengths for all higher harmonics Both the graph and the tabular presentation of the harmonic profile follow this rule using the total waveform length to determine the fundamental The amplitude values of your waveforms have several options in the way they may be displayed For simplicity using a range of 1 to 1 to represent the minimum and maximum values is the more straight forward Likewise these limits will always correspond to the minimum and maximum values produced by the DAC and corresponds to the resolution of the waveform output by the waveform generator Using this approach guarantees maximum resolution of the waveform and uses the scaling properties of the generator output amplifier to produced the required peak to peak output voltage Whenever possible range the waveform between 1 to 1 in the waveform window to obtain maximum resolution and to maintain the desired dc integrity of the signal WaveWorks Pro allows you to normalize any waveform in its Y values by this simple command For instance if you have a sinewave in the waveform window that ranges from 1 to 1 you can specify the output at 5 volts peak to peak Automatically the 1 relative amplitude will be scaled to
49. etween Bits If you drag and drop a bit label to another label you can copy the entire bit 3 12 Chapter 3 Using WaveWorks Pro Editors Harmonic Editor Choose Edit Harmonics on the Main Menu Bar to activate the Harmonic Editor The discrete frequency components of a selected waveform are extracted by performing the FFT Fast Fourier Transform on the waveform The analysis is carried out until the result represents a value corresponding to less than 1 2 LSB At this point the calculations are truncated The results are presented in a spreadsheet form Click the cell to be edited and enter the new value in the text box All frequency values are referenced to the fundamental which corresponds to the period of the entire waveform window The fundamental carries the frequency value of 1 and the transform calculations extend to a maximum frequency value of 1000 All values above 1000 are excluded Only the specified waveform lengths may be used when performing the harmonic edit function If the selected length is not useable for the analysis the program will present an error message The following waveform lengths are acceptable for FFT analysis 100 200 300 400 500 600 700 800 900 1000 128 256 512 1024 2048 4096 8192 2000 3000 4000 5000 6000 8000 10000 12000 16000 20000 24000 32000 If you click OK on this screen the frequency components of the waveform are converted to a set of time domain data using IFFT an
50. ft Keying BFSK Binary Frequency Shift Keying 1 Parameters oe fo m Dam mo m om a a a a paja gt Aaa papa NAAA A 2 Computation This is a frequency modulated sinewave by a pulse waveform as the modulating source ModCycles number of cycles of modulating pulse wave ModPhase initial phase of modulating pulse wave Freq_High frequency of sinewave which represents logic 1 Freq_Low frequency of sinewave which represents logic 0 RiseTime Stp rise fall time of modulating pulse between logic 0 and 1 Ampl amplitude of modulated sinewave Ofst DC offset of modulated sinewave 6 22 Chapter 6 Standard Functions BPSK Binary Phase Shift Keying BPSK Binary Phase Shift Keying 1 Parameters Que o pep S a a gt ra ff me ap a A 2 Computation This is a phase modulated sinewave by a pulse waveform as the modulating source Logic 1 phase 0 Logic 0 180 ModCycles number of cycles of modulating pulse wave ModPhase initial phase of modulating pulse wave CrrFreq frequency of modulated sinewave carrier CrrPhase initial phase of modulated sinewave carrier RiseTime Stp rise fall time of modulating pulse between logic 0 and 1 Ampl amplitude of modulated sinewave carrier Ofst DC offset of modulated sinewave carrier 6 23 Chapter 6 Standard Functions LINES Lines 1 Parameter Parameters Defaults Minimum
51. he end point of the longer waveform The following method is used to compute the output waveform N1 length of input waveform 1 N2 length of input waveform 2 N3 length of output waveform WAVE_1 i input waverform 1 i 0 N1 1 WAVE_2 1 input waveform 2 i 0 N2 1 WAVE_OUT i output waveform i 0 N3 1 where N3 LARGER_OF N1 N2 Assuming N1 lt N2 FOR i 0 to N2 1 WAVE_OUT i WAVE_1 i MOD N1 WAVE_2 i NEXT i 8 5 Chapter 8 Math Operators SUB Subtraction SUB Subtraction 1 Parameters None 2 Computation The operator computes the subtraction of two input waveforms 1 and 2 If the lengths of both input waveforms are equal the output waveform length is same as the input waveform If one of the input waveforms is longer than the other then the output waveform length is the same as the length of the longer input waveform In this case the shorter input waveform will repeat the operation up to the end point of the longer waveform The following method is used to compute the output waveform N1 length of input waveform 1 N2 length of input waveform 2 N3 length of output waveform WAVE_1 i input waveform 1 i 0 N1 1 WAVE_2 1 input waveform 2 i 0 N2 1 WAVE_OUT i output waveform i 0 N3 1 where N3 LARGER_OF N1 N2 Assuming N1 lt N2 FOR i 0 to N2 1 WAVE_OUT i WAVE_1 1 MOD N1 WAVE_2 1 NEXT i Assuming N1 gt N2 FOR i 0 to N1 1 WAVE_OUT
52. he math menu contains 20 transfer functions and 13 operations to be performed on any type of waveform created in WaveWorks Pro The target waveform New Wave must be placed below the two operands Wave l and Wave 2 in the Wave List Choose Wave List to review and correct the waveform order For this example New Project create the following Wave l Sinewave Cycles l Phase 0 Ampl l Ofst 0 Power l Size 1000 Wave 2 Sinewave Cycles 2 Phase 0 Ampl l Ofst 0 Power l Size 1000 Wave 3 to accept the Math result size 1000 Chapter 4 Waveform Creation Creating Waveforms 1 Choose Wave Math from the Menu Bar 2 Select the first operand Wave l by clicking Wv 1 3 Select the first transfer function F by clicking f 4 Select the second operand Wave 2 by clicking Wv 2 5 Select the second transfer function G by clicking g 6 Select the operation Op by clicking Op 7 Click SHOW to preview the computed waveform 8 Click Auto Normalize and then SHOW to preview the normalized waveform 9 Click OK to insert the waveshape into the waveform window or CANCEL to abort the operation Form Math amp Wave Math Wave_3 E x Option M Auto Normalize Ns LE zeal ea ES ES JET lo ok Cancel 4 6 Chapter 4 Waveform Creation Creating Waveforms Form OP Math Operator MULTIPLICATION te Forms F or G gt 1 Kal Math Transfer Function F aX b Minor C aphase
53. he shorter input waveform will repeat the opera tion up to the end point of the longer waveform The division by zero 0 will always return zero 0 The following method is used to compute the output waveform Ni length of input waveform 1 N2 length of input waveform 2 N3 length of output waveform WAVE_1 i input waveform 1 i 0 N1 1 WAVE_2 1 input waveform 2 i 0 N2 1 WAVE_OUT i output waveform i 0 N3 1 where N3 LARGER_OF N1 N2 Assuming N1 lt N2 FOR i 0 to N2 1 IF WAVE_2 1 lt gt 0 THEN WAVE_OUT i WAVE_1 i MOD N1 WAVE_2 i ELSE WAVE_OUT i 0 NEXT i Assuming N1 gt N2 FOR i 0to NI 1 IF WAVE_2 i MOD N2 lt gt 0 THEN WAVE_OUT 1 WAVE_1 1 WAVE_2 i MOD N2 ELSE WAVE_OUT i 0 NEXT i 8 8 Chapter 8 Math Operators CAS Cascade CAS Cascade 1 Parameters None 2 Computation The operator connects two input waveforms and 2 The length of the output waveform is the sum of the lengths of two input waveforms The following method is used to compute the output waveform N1 length of input waveform 1 N2 length of input waveform 2 N3 N1 N2 length of output waveform WAVE_1 i input waveform 1 i 0 N1 1 WAVE_2 1 input waveform 2 i 0 N2 1 WAVE_OUT i output waveform i 0 N3 1 FOR i 0 to N1 1 WAVE_OUT i WAVE_1 i NEXT i FOR i 0 to N2 1 WAVE_OUT N1 i WAVE 2 i NEXT i 8 9 Chapter 8 Math Operat
54. he software Chapter 4 Waveform Creation gives the detail descriptions for creating waveforms in WaveWorks Pro Chapter 5 Sample Waveforms provide real world examples of arbitrary waveforms These waveform files are included in your WaveWorks Pro Chapter 6 Standard Functions provides detailed descriptions of 32 standard functions The computa tion methods the parameter limits and the default values are given Chapter 7 Transfer Functions describes 20 math transfer functions parameters and default set tings Chapter 8 Math Operators describes 13 math operations available in WaveWorks Pro Their param eters and default values are included VI Table of Contents Conventions Used in this Manual oononncnnnccncnnnnnnno o cococnnonononanininioniccnnnononanininoss V Recommended Reading 2 2 4 uus 2 0 oneer ia E a sadbeusscacebouaseusiele V In T his Mantal 2 gen nase edles eV Chapter 1 Installation Equipment Required Personal Computer Requirements uersneessessnessnenseensnensennnen sun 1 3 Computer Interface Requirements ussessesnnesseenseennnennnenn nennen 1 3 Installing the TEGAM WaveWorks Pro Software 1 4 If you encounter problems 22402200220ensnesnnesnnesnnensennnnnennnen 1 5 Chapter 2 Quick Start TEGAM WaveWorks Pro Screen Components uessrseerseesseessnesnnesnnenn 2 3 TEGAM WaveWorks Pro ComponentsS uesseesserssessnersesnneennennnen
55. ial COM port on your PC INSTRUMENT DB 9 DB 9 female 1 3 Chapter 1 Installation Installing the TEGAM WaveWorks Pro Software Installing the TEGAM WaveWorks Pro Software 1 Insert the TEGAM WaveWorks Pro software in your computer disk drive Save any work in progress Close unneeded applications 3 Select File Run at the Program Manager Type D setup in the COMMAND LINE text box and press ENTER or click OK Change the drive letter 1f needed i e E setup Command Line O Run Minimized 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 WAVEWORKSPRO Setup If you want to install the WAVEWORKSPRO in a different directory and or drive type the name of the directory Install To C WWP To quit Setup choose the Exit button The installation program will create a new program group in the Program Manager and add the TEGAM WaveWorks Pro icon to the group Chapter 1 Installation Installing the TEGAM WaveWorks Pro Software If you encounter problems e Check the system and interface requirements e If you are using RS 232 be sure to use a cable wired as shown on 1 3 e If your PC is configured to use extended memory management such as EMM386 EXE and you are using a GPIB Interface card you must en
56. insert Tato iia ia aia 8 12 ADIN A aa 8 13 AM Amplitude ModulatiON ocooncccnncccnonacononanonncnnnononnnnnonnc cono nc cnn conocio mencnnnnss 8 14 PM Phase Modulation 2 2 32 2er 8 14 FM Frequency Modulation 22222200400ensenseesnnesnnesnnennnnnnnensnennne mens 8 15 QAM Quadrature amplitude Modulation ooonncccninccnonccinonaconaccnnnconomenccninns 8 15 Index IX Chapter 1 Installation Chapter 1 Installation Equipment Required Equipment Required Personal Computer Requirements e IBM or compatible 386 PC with math coprocessor or IBM or compatible 486 DX PC or better 486DX2 66 or better PC recom mended e CD ROM DRIVE e Microsoft TM or compatible mouse e Color VGA or SVGA display 8 MB memory e 2 MB free disk space additional space may be required for wave form storage e Microsoft Windows version 3 1 or higher e Microsoft MS DOS version 6 20 or higher e Either RS 232 or IEEE 488 GPIB interface Computer Interface Requirements IEEE 488 Interface Requirements To use an IEEE 488 interface with TEGAM WaveWorks Pro you must have a GPIB cable and one of the following IEEE 488 interface cards already installed in your com puter e National Instruments AT GPIB e National Instruments GPIB PCII IA RS 232 Requirements To use RS 232 with TEGAM WaveWorks Pro you must have an RS 232 cable configured as shown in the figure below and an available Asynchronous Ser
57. m to File dialog box screen 4 Click the OK button to export the data into the selected file Download waveform to a file xj Waveform Name Wave 3 Size 1000 Bits 12 File Name Format V Normalize C 32 bit Single b32 16 bit Integer b16 Browse C 8 bit Integer b08 C Hexadecimal hex C Decimal dec ASCII Comma csv aa C ASCII Tab prn CWaveCad wav Setup 4 10 Chapter 4 Waveform Creation Importing Exporting Data Files Standard Waveform Export Data Conversion 32 bit Single Math Waveform 16 bit Integer 8 bit Integer Other Hexadecimal Applications Decimal Sequence Waveform ASCII CSV ASCII PRN Wave Cad WAV Digital Pattern j Import DR Data Filter Binary Data T Importing and Exporting Data Files Chapter 4 Waveform Creation Configuring the Interface Configuring the Interface Before the WaveWorks Pro application is started check the GPIB IEEE 488 address or RS 232 settings of the target AWG Check the electrical connections between the PC and the AWG For the serial interface RS 232 use the cable shown on 1 3 Make sure that the PC end is connected to one of the PC serial ports COM 1 2 3 4 and the instrument end is connected to the RS 232 connector of the AWG Interface Setting E xi GPIB RS232 Parallel Pot Type National Instruments Keithley CEC COM LPT 1 Prg2414a 1
58. nennn een 2 4 Starting and Closing TEGAM WaveWorks Pro coooococococccoccnoccnnnnonnccnnoconennos 2 4 To Create Save and Output an Arbitrary Waveform useesnnnnenseennen 2 5 Chapter 3 Using WaveWorks Jr Menu WaveWorks Pro c eee sseesseeseceseceseceseeeseecsaessecssecsseeeseesaaeenaeeseenes 3 3 About Arbitrary Waveforms 22u0sssesnessnersneennesnnennnnnnennnen cose anna cra 3 5 About TEGAM WaveWorks Pro Ho ooococonoccnoconocnconononoconananonancrnn no ceeaeenaeesaeenes 3 7 Waveform Types Standard Waveshapes ococonoconncnnononoccnonoconononcnoncnancon een cinco 3 7 Mathematical Operator Waveforms 3 7 Sequenced Waveforms cscsssscscescsseeeeeeeseecsseceecsseceseeeeeseneeenaes 3 8 Waveform Setup Waveform Name sosisini siii 3 8 Wavetorin Size patriota nee ker 3 9 Waveform Resolurion number Of bits cece seeren 3 9 File Types Project Pile u a sense ta 3 9 Instrument Setup Plle midi ries 3 9 Wavetorm Bilesi 2u2 22 2 20 en aha 3 9 Editors Point Editorial ia 3 11 Vertex Edita lito dde ia 3 11 Digital Pattern Editor Waveform Data Conversion uneesensensennersnersesnneennennen 3 11 II AA ernennen 3 12 Harmonie Editor ecotipos 3 13 Sync Pulse Individual WaveforIMS ooonccnncnoonnocnnnnnnn seeesceceseeseceseeese aias 3 14 Sequenced WaveforIMWS oooconoccooconononanconaconaconanannnnn non cnn ncnnncnno ernennen 3 14 Basic Operations of Mouse In WaveWorks Pro ZOO
59. no nono ono cnnn nn nc cnn nono cana EA 6 33 Chapter 7 Transfer Functions Transfer Function Ldst ccoiiocoiosoninnciocic dice ccasseeabasaces EENEN AEREA RENERE 7 3 IN I AEAEE O 7 4 O RN 7 4 SECU Section ON in ee a A ecb nn 7 5 JAS ceseett NEEE EEO EE A EA EET REE EOE 7 6 ABS LADONC 222 222 E E ee AAEE A EA E e ATE 7 7 CUBIC CUDIC ee ee Gali E A Lae eaa aaas 7 8 SORT Square Rod anne sans sn ebene 7 9 EOG Egari thm ner iieri da 7 10 EXP ExponentaD cit tdt A E aE to 7 11 POLY Polynomial coso e a E E bbe e E ES 7 12 INTG Integration nn en aa 7 13 DIFF Differentiation ccccccccssscecessececeesseeceessececseececsessecenssaeeecueseenaes 7 14 A De ee A nT ee 7 15 Norm Normalize senenn y e dena Bann ANa NESAS 7 15 Rod End S ASRS ieee alee 7 16 Mioarei NT 7 16 Tphase In Ph se A aE EE eE E EEEE 7 17 Qphase Quadrature Phase ccsscessceceseecseeceeseseeeceeeeeceeeeeaeceeaeceeaeeeeaes 7 17 TOS Wap VOS Wapliciii nr de a ins 7 18 BandPass Band Pass Fiter tensien tenermi onee asea Ea epii 7 18 Chapter 8 Math Operators Math Oper tor Listin hae 8 3 Titr duetion ae nee NSE EAE AASE E 8 4 ADD Addition ratane ran A ts Se 8 5 SUB S btraeti n institut irsinessnngeeite 8 6 MUE M ltiplieation 3 2 0082 een nennen 8 7 DIV Division ds a AAA A Inn 8 8 CAS Sascade ine rn RR BEN nalen 8 9 ENV EnVvol tioh seu r te rn aan neue 8 10 BIR CBIR filter 2a sanierte So on ES 8 11 Into
60. o the AWG When you have finished creating and editing your waveform and you have completed the interface configuration and initialization you are ready to download the waveform data to the AWG The waveform names in the WaveWorks Pro application can not be downloaded to the AWGs For all TEGAM AWGs except 2201A and 2205A specify waveform and sequence numbers For Std Math Dp type waveform WAV N N 0 99 For SEQ type waveform SEQ N N 0 9 You may select the N before downloading It is recommended that you use the same waveform number N for WaveWorks Pro and the target AWG For the 2201A and 2205A AWGs specify the channel number and the memory location by the start and stop addresses The sequence data created in WaveWorks Pro will be downloaded to the AWG as data points To download the contents of the waveform window Choose Download Setup to open the Download to ARB screen Click one of the interface selections If you want to set up the AWG parameters click the SETUP button to configure the AWG Click OK to return to the Main Menu Choose Download GO to open the DownLoad Waveform screen Select the target waveform number in the AWG Click OK to initiate the data transfer 4 13 Chapter 4 Waveform Creation Waveform Upload Form Download amp Download to ARB Select amp Setup Com1 Prg2414a c y c c c y E c c c c Setup Cancel xi Wave Name Wave 1 OK Device Name P
61. operand Wavett2 the second operand New Wave output waveform of the operation F transfer function of the first operand as the input G transfer function of the second operand as the input Op operator on the two operands Wave 1 and Wave 2 Follow the steps to compute the math type waveform 1 Select the output waveform New Wave Make sure that the waveforms to be used as the operands Wave I and Wave 2 are listed above the selected output waveform New Wave in the Wave List 2 Select the first operand Wave 1 3 Select the second operand Wave 2 4 Select the first transfer function F 5 Select the second transfer function G 6 Select the operator Op 7 Click SHOW to view the computed waveform 8 Click OK to save in the New Wave If only one transfer function is required and no math opertaion is necessary use Op ADD and G NULL This will allow the first transfer function F to be performed on the first operand Wave 1 Chapter 8 Math Operators ADD Addition ADD Addition 1 Parameters None 2 Computation The operator computes the addition of two input waveforms 1 and 2 If the lengths of both input waveforms are equal the output waveform length is same as the input waveform If one of the input waveforms is longer than the other then the output waveform length is the same as the length of the longer input waveform In this case the shorter input waveform will repeat the operation up to t
62. ors CNV Convolution CNV Convolution 1 Parameters Type 1 gt CIRCULAR CONVOLUTION Type 2 gt LINEAR CONVOLUTION 2 Computation The operator performs the convolution of two input waveforms 1 and 2 The entry order of two input waveforms is not significant For type 1 the output waveform length is the longer of the two input wave forms For type 2 the output waveform length is the sum of the two input waveform lengths When N1 length of input waveform 1 N2 length of input waveform 2 and N1 lt N2 one of the following three conditions must be satisfied to perform the convolution 1 When N1 N2 and N is one of the following lengths 256 512 1024 2048 4096 8192 2 When N1 lt N2 and N2 is one of the following lengths 256 512 1024 2048 4096 8192 3 When N1 N2 lt 8192 The following sequence is used to compute the output waveform For type 1 1 Perform FFT of input waveform 1 and 2 2 Multiply the two frequency domain data values derived from step 1 3 Perform IFFT of the result of step 2 4 Extract the applicable portion of the result of step 3 For type 2 1 Extend the length of the longer of the two input waveforms to the sum of two input waveform lengths and enter zero 0 into the extended portion of the waveform 2 Perform type 1 convolution 8 10 Chapter 8 Math Operators FIR FIR_filter FIR FIR_filter 1 Parameters Type 1 gt CIRCULAR FIR_filter Type 2 gt
63. r Functions IQ Swap I Q Swap IQ Swap I Q Swap 1 Parameters 2 Computation The output waveform is the result of all input waveform data modified with gain a offset b and the interchange of the Quadrature_Phase components sine terms and In_Phase components cosine terms Quadrature Phase sine terms gt gt In Phase cosine terms In Phase cosine terms 1 gt gt Quadrature Phase sine terms As a result all the frequency components of the input waveform are advanced by 90 The output waveform length is the same as the input waveform Example Input Waveform Output Waveform sine wave cosine wave cosine wave sine wave BandPass 1 Parameters ZT ee ee ee MRE 2 Computation The output waveform is the result of the extraction of the input waveform frequency components between the specified frequency range Freq_Low and Freq_High The output waveform length is the same as the input waveform 7 18 Chapter 8 Math Operators Chapter 8 Math Operators 8 2 Chapter 8 Math Operators Math Operator List Math Operator List MULTIPLICATION 8 3 Chapter 8 Math Operators Introduction Introduction The math type waveforms are created by using the following equation In order to perform the math operation the two input waveforms must exist ahead of the output waveform New Wave in the Wave List Wave List New Wave F Wave 1 Op G Wave 2 where Wavettl the first
64. ramp wave Ofst output offset of ramp wave The relationship between the ramp phase and amplitude is defined as follows 0 Amplitude 1 180 Amplitude 0 360 Amplitude 1 Between the specified phases the waveform is a linear ramp The waveform is computed by the following formula N waveform length 2 m Cycles N D Phase 180 1 FOR i 0 to N I Wave i Ampl m RAMP 0 i Ofst NEXT i where for 0 lt 8 lt 2 n MRAMP 8 0 n 1 6 9 Chapter 6 Standard Functions Squine Squine 1 Parameters 2 Computation Transition ratio in of number of points used to define the rise and fall edge of the waverform by utilizing a half sinewave to the total length The 10 to 90 portion of the waveform which defines the rise and fall times is approximately 59 of this parameter ArcSin 0 8 m 2 100 Phase initial phase of squine wave Ampl output amplitude of squine wave Ofst output offset of squine wave The waveform utilizes a portion of a sinewave to smooth the rise and fall edge of a square wave At Transition 50 the waveform is a sinewave The waveform name squine was derived from the fact that the waveform was synthesized by connecting a sinewave and a square wave For the explanation of Phase Ampl and Ofst review the section on square wave The rising edge utilizes a half sinewave from 90 to 90 The falling edge utilizes a half sinewave from 90 to 270 6 10
65. res fo fe pr wares fe om on ARCAS FENICIOS ICC EEC A e om U AAA AAA DECIAN a HERE EEG KERLE 2 Computation ModFreq frequency of modulating sinewave ModPhase initial phase of modulating sinewave CrrFreq frequency of carrier sinewave CrrPhase initial phase of carrier sinewave Index modulation index Ampl amplitude of carrier sinewave Ofst DC offset of carrier sinewave The waveform is computed by the following formula N waveform length m 2 r ModFreq N m ModPhase 180 1 c 2 m CrrFreq N c CrrPhase 180 1 FOR i 0 to N 1 MOD SIN om i m CARRIER SIN oc i c Wave i Ampl 1 Index 100 MOD 2 CARRIER Ofst NEXT i 6 18 Chapter 6 Standard Functions FM Frequency Modulation FM Frequency Modulation 1 Parameters ra pa e pe po gt a gt a pe gt ICI Da Io Den one fp fr A opa ps A 2 Computation ModFreq frequency of modulating sinewave ModPhase initial phase of modulating sinewave CrrFreq frequency of carrier sinewave CrrPhase initial phase of carrier sinewave Index modulation index A 6 ModFreq Ampl amplitude of carrier sinewave Ofst DC offset of carrier sinewave The waveform is computed by the following formula N waveform length m 2 r ModFreq N m ModPhase 180 7 mc 2 x CrrFreq N c CrrPhase 180 rn FOR i 0 to N I MOD COS m i m Wave i Ampl SIN
66. rg2414a RS232 Com1 Channel Number ware E Waveform Upload You may upload the waveform data from all TEGAM AWGs except 2201A and 2205A after the inter face is initialized The waveform WAV 0 99 and SEQ 0 99 selected at the time of the initialization will be uploaded For the TEGAM 2201A and 2205A AWGs you may upload the waveform after selecting the channel number and specifying the memory location with Scan From and Scan To 4 14 Chapter 4 Waveform Creation Printing Waveforms Form Upload w Upload Wave Select amp Setup Prg2414a Upload current waveform Printing Waveforms Waveforms can be printed when a waveform window is selected in WaveWorks Pro The waveform does not have to be a saved file to be printed 1 If more than one waveform window is open make sure that the window you want to print is the active window by clicking on it with your mouse 2 Select File Print from the Menu Bar 3 The Print dialog box is displayed You may change printer setup by clicking the SETUP button Click the OK button to start the print process or choose CANCEL to abort the printing 4 15 Chapter 4 Waveform Creation Saving Projects and Waveforms Saving Projects and Waveforms Arbitrary waveforms can be saved from WaveWorks Pro as an individual waveform STD MATH SEQ or DP type or as the components of a project file ARB If you save a project the dialog box will prompt you to save
67. s sinewave N input waveform length The output waveform length is same as the input waveform The following equation is used to compute the output waveform N input waveform length WAVE_IN i input waveform i 0 N 1 WAVE_OUT i output waveform i 0 N 1 WAVE_OUT 0 N 2 7 WAVE_IN 0 WAVE_IN N 1 a b FORi 1toN 1 WAVE_OUT i N 2 7 WAVE_IN i WAVE_IN i 1 a b NEXT i 7 14 Chapter 7 Transfer Functions DCut DCcut a gain b offset 1 Parameters a EEE UNA 2 Computation The output waveform is values modified with gain a and offset b of all the waveform data minus the average value of the input waveform The output waveform length is same as the input waveform Norm Normalized to 1 1 Parameters No parameters are specified 2 Computation The output waveform is values of all the input waveform data divided by the peak value of the input waveform If the absolute value of the positive peak is larger than the negative peak the computation will be made to normalize the positive peak to be 1 If the absolute value of the negative peak is larger than the positive peak the computation will be made to normalize the negative peak to be 1 When the peak value is 0 no computation will be made The output waveform length is same as the input waveform 7 15 Chapter 7 Transfer Functions Rotate Rotate Rotate right by A 1 Parameter Parameters Defa
68. se Func Math and then press OK 3 7 Chapter 3 Using WaveWorks Pro Waveform Setup Sequenced Waveform Seq You may create a long complex waveform by looping and linking previously created waveforms The efficient use of the waveform memory is one of the key features of the sequence generator WaveWorks Jr will allow you to have up to 1 000 steps and perform a maximum of 1 million loopings However other limits may apply depending on the arbitrary waveform generator AWG selected The waveform types used as parameters for the sequence can be any one of the four waveform types Std Math Seq and Dp If one of the waveforms in the sequence parameter is a sequenced waveform the waveform must contain only non sequenced waveforms as its parameters When a sequence operation is performed to create a new waveform you do not have to specify the new waveform length prior to the operation You may use the default length setting By using the sequence operation the waveform length may be extended beyond the normal 32 000 points The length must be less than 2 147 483 647 23 1 points If you exceed this limit you will be notified by an overflow error message You may change the input waveforms for the sequence at a later time and the sequence waveform will be updated when the sequence waveform becomes active and is ready for editing If the above mentioned conditions regarding the number of steps and the length have not been satisfied
69. sition from 10 to 90 of waveform level The relationship of the waveform phase and amplitude is defined as follows 0 lt Phase lt 180 Amplitude 1 180 lt Phase lt 360 Amplitude 1 Cosine wave 90 to 90 is used for the shaping of Rise Time contour Therefore square wave becomes sinewave at Rise Time 60 6 6 Chapter 6 Standard Functions Triangle wave Triangle wave 1 Parameters a fo fa on ee rn m Symmetry 50 BES 100 0 001 2 Computation Cycles number of cycles of triangle wave Phase initial phase of triangle wave Ampl amplitude Ofst offset Power exponent Symmetry symmetry of triangle wave At the Symmetry 50 the relationship of the waveform phase and amplitude is defined as follows 0 Amplitude 0 90 Amplitude 1 180 Amplitude 0 270 Amplitude 1 360 Amplitude 0 Between the specified phases the waveform is a linear ramp At Symmetry 0 the waveform is Ramp Down At Symmetry 100 the waveform is Ramp Up 6 7 Chapter 6 Standard Functions DC DC 1 Parameters Parameters Defaults Minimum Maximum Resolution 2 Computation All the points in the waveform is set to the value of Ofst The default values of all the standard functions are DC 6 8 Chapter 6 Standard Functions Ramp Ramp 1 Parameters 2 Computation Cycles number of cycles of ramp wave Phase initial phase of ramp wave Ampl output amplitude of
70. specified The resulting frequency is equal to the sample clock rate divided by the number of data points in the waveform memory window If more than one cycle of the waveshape is entered into one waveform memory window the output frequency will be a multiple of one waveform generator cycle For example if you create a waveform with 3 sinewave cycles using the same number of data points and the sample clock rate the frequency will be 3 times higher TEGAM arbitrary waveform generators may sample the data points at a maximum of 2MS s to 100MS s depending on the model The maximum frequency of the output is determined by the sample rate divided by the number of points For a 20MHz arbitrary waveform generator such as TEGAM 2714A with the waveform length of 1000 points the upper frequency limit appears to be 20kHz since 20MS s 1000 20kHz However if you repeat the segment such as a sinewave up to the minimum required number of samples 4 samples segment you can repeat up to 250 segments within the waveform length of samples 4 samples segment you can repeat up to 250 segments within the 3 5 Chapter 3 Using WaveWorks Pro About Arbitrary Waveforms waveform length of 1000 points Then the output frequency of the sinewave will be S5MHz since 20kHz x 250 5MHz This concept is also applicable in understanding the frequency components of the harmonic analysis FFT feature Harmonic analysis uses the total waveform length and defin
71. sure that the memory management does not conflict with the interface card Refer to the installation section of your GPIB interface card user s manual e If you are using an IEEE 488 Interface card ensure that you have correctly installed the interface software before running TEGAM WaveWorks Pro GPIB DLL file must be located in your WaveWorks Pro directory the Windows directory or a directory included in the PATH command in your AUTOEX EC BAT file For specific details refer to your IEEE 488 Interface card installation guide 1 5 Chapter 2 Quick Start Chapter 2 Quick Start 2 2 Chapter 2 Quick Start TEGAM WaveWorks Pro Screen Components This chapter provides an overview of TEGAM WaveWorks Pro and gives you a few examples to help you get started using the software Also included is the interface setup procedure TEGAM WaveWorks Pro Screen Components Title Bar In the Title Bar WWP displays WaveWorks Pro and the name of the project and the file directory Menu Bar The Menu Bar offers the following pull down menus e File Menu contains commands for opening closing saving projects and waveforms importing and exporting data and printing WWP waveform windows e Edit Menu contains commands for copy and paste between the waveform windows and editing and analyzing waveforms such as Point Vertex Digital Pattern and Harmonic Editors e Wave Menu contains commands for new delete setup and list of
72. t mouse button on the bit waveform the selected portion will be highlighted If you move the mouse vertically while pressing the left button the data value of the address will change When you release the button the data will change to the value at the time of the release Moving Pulse Edge If you click the left mouse button at approximately the 50 level of a pulse edge you can capture the edge If you move the mouse to the left and right while pressing the left button you can move the pulse edge Logic O and 1 Settings by Pulse Level You can change the level of a pulse by a single click when the pulse width is longer than two addresses If you click the left mouse button at approximately the 50 level of a pulse you can capture the entire pulse If you move the mouse vertically while pressing the left button you can move the entire pulse level Horizontal Movement of Pulse Level If you click the left mouse button at approximately the 50 level of a pulse you can capture the entire pulse If you move the mouse to the left and right while pressing the left button you can move the pulse level Change of X Axis Span If you click the mouse left button at the outside of the bit waveform display area and drag the mouse to the right while pressing the button and then release the button the X axis of the selected area will be expanded The span will automatically adjust down to the minimum length of 20 points Copy b
73. tered Mouse controlled input and text entry of numerical values are supported in this software X and Y axis values are displayed in the corresponding text boxes as you move the mouse on the waveform edit screen The mouse entry of the points is limited by the increment values defined by Grid_X and Grid_Y The point entry is possible only at the coordinates which are a multiple of Grid_X and Grid_Y Digital Pattern Analyzer Choose EDIT Digital Pattern analyzer to activate this editor The waveform length must be less than 32 000 points to utilize this editor After the selected waveform is separated into bits as specified by the waveform vertical resolution you may graphically edit the waveform bit by bit The values less than 1 LSB are deleted The display of the bit pattern is based on unsigned integers The screen is organized to show the LSB on the top line while the MSB is shown at the bottom Waveform Data Conversion For 12 bit resolution data Waveform Data Dp Editor For 16 bit resolution data 1 ers 4095 Waveform Data Dp Editor 0 EERS 2048 1 gt 65535 1 DPEN 1 0 gt 32768 1 gt 1 3 11 Chapter 3 Using WaveWorks Pro Editors Mouse Operations on the Digital Pattern Analyzer Screen Bit Selection Click the left mouse button on the bit waveform or on the bit label to select the bit The data is copied into the buffer in order to perform the UNDO function Bit O and 1 Settings by Address If you click the lef
74. tion Add Insert Delete Copy Paste Cut Undo List Wave 1 Wavettl 1 Total Steps 3 2 METE 3 Wave 1 Stepl Wave Name Waveltl o Ref JE ES El 2400 4 8 Chapter 4 Waveform Creation Importing Data Saved from Other Applications Importing Data Saved from Other Applications WaveWorks Pro will allow you to import waveform data created in the other applications such as Microsoft Excel or HP BenchLink Arb Although the software is capable of importing of 8 file formats the most commonly used formats are the comma separated value CSV or the tab or line separated PRN formats The data values saved must be equal to or less than 1 To import data saved by other applications in either PRN or CSV format Select the Waveform Window to import the file Select File Import Wave from the Menu Bar The Upload File dialog box will be displayed prompting you to enter the file name of the file you wish to import Click PRN or CSV for the file format selection Skip step 3 if you know the file name directory and the extension Click the Browse button on the Upload File screen to display the Open dialog box and select the file you wish to import Choose the appropriate file extension from the file type list select the desired file and click the OK button allowing you to return to the Upload File screen Click the OK button to import the data into the selected Waveform Window Upload wa
75. ults Minimum Maximum Resolution EX A E E 2 Computation The output waveform is the result of all the input waveform data shifted by A on the x axis The output waveform length is same as the input waveform The following equation is used to compute the output waveform N input waveform length WAVE_IN i input waveform i 0 N 1 WAVE_OUT i output waveform i 0 N 1 FOR i 0 to N 1 WAVE_OUT i A Mod N WAVE_IN i NEXT i Mirror a gain b offset 1 Parameters fa es ESE 2 Computation The output waveform is the result of all input waveform data modified with gain a offset b and then reverse order the respective addresses The output waveform length is same as the input waveform 7 16 Chapter 7 Transfer Functions Iphase In Phase Iphase In Phase 1 Parameters Parameters Defaults Minimum Maximum Resolution offset 0 1 0 001 2 Computation The output waveform is the result of all input waveform data modified with gain a offset b and extraction of the In_Phase components cosine terms The output waveform length is the same as the input waveform Qphase Quadrature Phase 1 Parameters 2 Computation The output waveform is the result of all input waveform data modified with gain a offset b and extraction of the Quadrature_Phase components sine terms The output waveform length is the same as the input waveform 7 17 Chapter 7 Transfe
76. used to indicate the label on a button or other control b setup This typeface indicates that input from the key board can be typed or indicates a menu command to be selected For example Type bal setup or Select File Open from menuBar File Open is separated by a bar because you must first select the File menu then select Open Recommended Reading Please review the Microsoft Windows User s Guide This manual assumes that you have experi ence using Microsoft Windows 3 1 or later version You must know how to use the basic features of Windows or are familiar with terms such as click double click resizing and dragging In This Manual Chapter 1 Installation describes how to install WaveWorks Pro the computer requirements and specif ic interface requirements and specific interface requirements to allow you to work with any TEGAM AWG Chapter 2 Quick Start provides an overview of WaveWorks Pro Display components and how to start and close the software are illustrated A complete example is given demonstrating the steps used to create save and output an arbitrary waveform Chapter 3 Using WaveWorks Pro offers an introduction to arbitrary waveforms In addition this chapter describes the 32 standard waveshapes the mathematical operations capability and the techniques of sequenced waveforms It covers the waveform setup and file system details included in the editors and other operational facilities of t
77. veform 1 Parameters a aa os a a a o a A HEHE EERECCE a aa jos a fa or 2 Computation See the diagram for the definition of parameters r 6 33 Chapter 7 Transfer Functions Chapter 7 Transfer Functions Transfer Function List 7 2 Chapter 7 Transfer Functions Transfer Function List Transfer Function List Math Transfer Function NULL LINEAR SECT INTG DIFF DCcut Rotate CUBIC SQRT 0 Iphase D Qphase m x P POLY Q_swap BandPass Lili Cancel 7 3 Chapter 7 Transfer Functions Null Linear Null 1 Parameters None 2 Computation The output waveform is the result of all the input waveform data replaced with zero values The output waveform length is same as the input waveform For an equation WAVE_OUT F WAVE_1 Op G WAVE_2 if Op G WAVE_2 is not required use the following equation WAVE_OUT F WAVE_1 ADD NULL WAVE_1 to create WAVE_OUT F WAVE_1 LINEAR aX b 1 Parameters ESTER EEE 2 Computation The output waveform is the result of an input waveform modified with gain a and offset b The output waveform length is same as the input waveform The following equation is used to compute the output waveform N input waveform length WAVE_IN i input waveform i 0 N 1 WAVE_OUT i output waveform i 0 N 1 FOR i 0 to N 1 WAVE_OUT i a WAVE_IN i b NEXT i 7 4 Chapter 7 Transfer Functions SECT
78. veform using either the standard functions or custom profile data files to load waveform mem ory An address generator sequentially presents data values to the digital to ana log converter DAC which converts the data into analog voltage values This series of sequential voltage levels describes the output waveform with the fre quency determined by the sample clock rate divided by the number of samples in the waveform Changing the sample clock rate causes the address generator to change the speed at which the data is presented to the DAC thereby changing the output frequency In WaveWorks Pro the waveforms you create are a series of data points consisting of X and Y axis values For 12 bit generators such as the TEGAM 2714A the Y values between 2047 and 2047 are used For 16 bit generators such as the TEGAM 2711A the Y values between 32767 and 32767 are used You may also use the normalized values between 1 and 1 or custom limits in this software All waveform data file calculations are made using 24 bit resolution in WaveWorks Pro In describing the first point 0 is given a Y value The next point has another Y value and so on up to the last address in your waveform This series of points make up the waveshape All the data points in the waveform memory window make up one waveform generator cycle When you send the data file to the waveform generator it will output all the points in the waveform at the sample clock rate
79. veform from a file x Waveform Name Wave 3 Size 1000 Bits 12 File Name CAM AWPADATAMrbY ave CSV Format M Normalize C 32 bit Single b32 16 bit Integer b16 Browse C 8 bit Integer b08 Hexadecimal hey Decimal dec ASCII Comma csv i ance C ASCII Tab prn CWaveCad wav Setup Chapter 4 Waveform Creation Exporting Data to Other Applications Exporting Data to Other Applications WaveWorks Pro will allow you to export waveform data created in this application to other applications Although the application is capable of exporting in 8 file formats the most commonly used formats are the comma separated value CSV or the tab or line separated PRN formats To export data created by WaveWorks Pro in either PRN or CSV format 1 Select the Waveform Window to export the data 2 Choose File Export Wave from the Menu Bar The Download Wavefrom to File dialog box will be displayed prompting you to enter the file name of the waveform data you wish to export Click PRN or CSV for the file format selection Skip step 3 if you know the file name directory and the extension 3 Click the Browse button on the Download Waveform to File screen to display the Save As dialog box and select the file name you wish to export Choose the appropriate file extension from the file type list select the desired file and click the OK button allowing you to return to the Download Wavefro
80. vel High high level of pulse Low T_Delay and Low level of pulse Trans_shape shape of rise and fall transitions 0 Linear 1 Sinusoid 6 13 Chapter 6 Standard Functions VHR Pulse VHR Pulse 1 Parameters nt 2 Computation This waveform is used for the measurement of the voltage retention rate of liquid crystal displays LCD The waveform defines the pulse in the specified SyncBit Two pulses are specified in SyncBit Since two pulses are specified in each waveform use of some waveform generators may be limited There are three levels in this waveform PULSE_HIGH Output level AMPL OFST ZERO Output level OFST PULSE_LOW Output level AMPL OFST TO and T1 are specified by the number of points in the waveform Pulse widths of PULSE_HIGH and PULSE_LOW are defined as 2 T0 T1 and the pulse width of the specified SyncBit is defined as T1 The location of the sync pulse is in the mid point of PULSE_HIGH and PULSE_LOW PULSE_HIGH starts at the beginning of the waveform and PULSE_LOW starts at the mid point of the waveform 6 14 Chapter 6 Standard Functions Exponential Exponential 1 Parameters 2 Computation TimeConst time constant of waveform expressed in number of points VFirst the initial value of the waveform VLast the final value of the waveform If the waveform length is sufficiently long compared to the value of TimeConst the waveform value will infinitely approach the VLast value

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