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HP E1725C and HP E1740A Time Interval Analyzers with the HP

1. 3 Position the cursor at the next peak of the sinusoid and click the left button The result log now shows the coordinate values for the new position of the cursor Clicking the right mouse button will provide both the current cursor position information and the difference between the current position and the last position where the mouse was clicked Using the right mouse button you can move the cursor to successive positions and always display the difference Dtime Dfreg etc from the last cursor position 2 22 Getting Started Guide Chapter 2 Practice Using the TIA TIA Tutorial Y ou can also display the delta marker marker 2 on a clicked point by holding the SHIFT key while clicking the right mouse button The same information as above is displayed as MRK2 gt and MRK 1to2 gt To clear a marker hold down the CONTROL key while dicking on the appropriate mouse button Both markers may be cleared in one operation by clicking both mouse buttons together 3 HP E1742A Frequency Deviation versus time file FM PAN File Edit Setup Measure View Help Notes ReMeasure Frequency deviation from Fo Fs 990 1 kHz Fo 100 0 MHz 03 07 1994 No filter selected Frequency Modulation 300 mo kHz 50 0 kH2 div 300 H kHz 0 000 00 usec div 1 034 sec msec MRK1 gt Time 368 1 usec Freq Deviation 254 0 kHz Freq 100 25339337 MHz a Time 415 0 usec Freq Deviation 253 6 kHz Freq 99 745868888 MHz
2. Getting Started Guide 3 15 Chapter 3 Demo Waveforms Demo 2 Phase Modulation Analysis BPSK This is a display of phase deviation from the constant reference frequency Fo 100 kHz The square wave modulation can easily be seen Using the cursor left mouse button and delta cursor right mouse button features you can easily determine the period of the modulation 1 mod rate and the peak to peak values DeTilt Notice that the modulating signal has a tilt over time This is because the actual carrier is not exactly 100 0 kHz as we specified as the carrier frequency on the Measure View Setup menu The DeTilt feature provides a convenient way to fine tune this value of Fo to get a flat display and determine the precise value of the actual carrier frequency Position the cursor on one of the high phase states near the left side of the plot point A on the plot shown Click on the left mouse button Re position the cursor on another high phase state near the right side of the plot point B on the plot shown Click on the left mouse button You have now defined two points which should be at the same vertical level but currently are not due to the tilt in the waveform Click on the DeTilt button A warning message will appear indicating that the value of Fo will be modified in the DeTilt process Click OK to acknowledge the warning After a moment of recalculation the graph will be redrawn with a slig
3. aj Frequency deviation from Fo as function of time Fs 990 1 kHz Fo 100 0 MHz 03 07 1994 Frequency Modulation 300 7 kHz soo AT a kHz div oh eee ett tte Et Pit b 300 i i kHz 9 000 100 usec div 1 034 sec msec 4 E For Help press F1 je NOTE Oncethe FM signal graphics has been copied into WordPad dick the down arrow J or the right arrow gt to move outside the graphics Y ou need to perform the above step to append the log window contents to the FM signal graphics which is demonstrated in the next procedure titled Now Add the Log Information 3 22 Getting Started Guide Chapter 3 Demo Waveforms Demo 3 Sharing TIA Data With Other Windows Applications Now Add the Log Information 1 ReturntotheHP E174XA application by clicking on the HP E174XA icon on the taskbar or pressing ALT TAB or selecting it from the Windows pull down menu Select Edit gt Copy Log as Text This will copy the entire contents of the logging area of the TIA display as text to the Windows Clipboard 2 Bring up the WordPad application again 3 Select Edit gt Paste in the WordPad application A Document WordPad MEE File Edit View Insert Format Help Djsjaj ela a Hel a 300 L kHz 0o00 100 usec div 1 034 sec msec Finished reading parameters from C HPE1742A DEMO BPSK STP Warning Setup may have changed since graph was displayed Reading from C HPE1742A DEMO BPSK PAN Fini
4. members Warranty HP warrants HP hardware accessories and supplies against defects in materials and workmanship for a period of one year from date of shipment If HP receives notice of such defects during the warranty period HP will at its option either repair or replace products which prove to be defective Replacement products may be either new or like new HP warrants that HP software will not fail to execute its programming instructions for the period specified above due to defects in material and workmanship when properly installed and used If HP receives notice of such defects during the warranty period HP will replace software media which does not execute its programming instructions due to such defects For detailed warranty information see back matter Santa Clara California 95052 8059 Safety Considerations General This product and related documentation must be reviewed for familiarization with this safety markings and instructions before operation This product is a safety Class instrument provided with a protective earth terminal Before Applying Power Verify that the product is set to match the available line voltage and the correct fuse is installed Refer to instructions in Chapter 1 of the Manual Before Cleaning Disconnect the product from operating power before cleaning Safety Earth Ground An uninterruptible safety earth ground must be provided from the mai
5. message and then the opening screen for installing the Help system Follow the instructions on the screen When you are asked to select a directory to install the Help system files not the shared files to be placed in the Windows System directory enter the same directory you noted previously When the installation is complete click the OK button A new program group HP Applications will be created The HP E174XA software a read me file and the Help icon will be placed in this program group Be sure to send in your registration card This will ensure that you are notified about software updates and other important product information Chapter 1 How to Begin Power Up and Health Check Power Up and Health Check Start Switch on the VXI mainframe before the computer Switch on the computer Start the HP TIA Software Double click the HP Applications Program Group icon in Windows to open the group Double click the HP E174XA icon to start the application Verify Communication with the TIA The default interface setting for the HP E1742A 43A 44A 46A 48A is none Set the Interface Type If this is the first time you have started the software or if no interface has been previously selected you will be asked if you wish to select the interface now Click Yes and continue with step 3 Otherwise select the interface with the following steps Select Setup gt I nstrument Setup The HP E1740A setup wi
6. 1024 This display was computed from the fm pan data This is the power spectral density plot of the modulating tone The 11 kHz modulation is easily seen on this display as well as other modulation products 2 18 Getting Started Guide Chapter 2 Practice Using the TIA TIA Tutorial Using Cursors Markers and Zooming 1 Select View gt F requency Deviation Theresults display is divided into two primary areas The major portion of the display is devoted to the graph of measurement results in this case frequency deviation vs time The very top of this area includes a description of the measurement function and the key processing parameters that apply to the processing and the date the measurement was taken As shown in this example 2 HPE1742A Frequency Deviation versus time file FM PAN File Edit Setup Measure View Help Notes i Full Fo peri Integral _ mms Autoscale ReMeasure Frequency deviation from Fo Fs 990 1 kHz Fo 100 0 MHz 03 07 1994 No filter selected Frequency Modulation 50 0 kHz div 300 kHz 0 000 100 usec div i sec msec Computing Plotting Fo 99 999421341302 MHz Pace 101 N 1024 Fo 99 999421341302 MHz Pace 101 N 1024 Ymin 265 5732500000 kHz Ymax 256 4974218750 kHz Ymax Ymin 522 0706718750 kHz Getting Started Guide 2 19 Chapter 2 Practice Using the TIA TIA Tutorial Frequency deviation from Fo as function of time Fs 9 901 kHz
7. 3 17 Chapter 3 Demo Waveforms Demo 2 Phase Modulation Analysis BPSK The analysis software offers two methods to view jitter spectrum or phase noise FFT computations can be made on the currently displayed data vs time views Phase power spectral density calculations can also be performed This differs from the FFT calculations in that you may also specify a windowing type and sample frequency for the calculations See the Setup gt Measure View Setup menu The theoretical noise floor of the instrument is displayed in addition to the measurement data 1 Select View gt FFT of current display THP E1742A file BPSK PAN File Edit Setup Measure View Help Notes Zoom Ful Fo peri Integral ms Autoscale ReMeasure Mag FFT N rms in dB N 1024 Gaussian window Fs 100 1 kHz 03 07 1994 No filter selected BPSK Signal 50 00 dB Div z Mag fft N 37 92dB 1ms 78 73 deg peak 111 3 deg A Mag fft J N 28 23dB rms 25 80 deg peak 36 48 deg Freq 4 967 kHz Magffft N 23 83dB 1ms 15 53 deg peak 21 97 deg Freq 6 933 kHz Magffft N 20 59dB rms 10 71 deg peak 15 14 deg 3 18 Getting Started Guide Chapter 3 Demo Waveforms Demo 2 Phase Modulation Analysis BPSK Using the cursor and clicking on each peak in the spectrum the characteristic odd harmonics of the square wave phase modulation can be seen Note that this is not the same view as a spectrum analyzer would display spectrum of the modul
8. Frequency Step 161 13 4 kH2 div 7 18 usec div Time 220 5 usec Freq Deviation 136 1 kHz Freq 10 070687976 MHz a Time 169 1 usec Freq Deviation 164 3 kHz Freq 10 098883773 MHz Time 246 8 usec Freq Deviation 30 41 kHz Freq 9 9649537045 MHz Time 173 5 usec Freq Deviation 160 8 kHz Freq 10 095359304 MHz Time 245 4 usec Freq Deviation 26 88 kHz Freq 9 9614292299 MHz NOTE Valid cursor positions include any portion of the display where the cursor appears as a crosshair The data area is not confined tothe grid portion of the display Y ou can actually increase the current display range by clicking in positions off of the grid 3 Toreturn the scaling to the previous full view click on the FULL button on the toolbar 3 8 Getting Started Guide Chapter 3 Demo Waveforms Demo 1 Voltage Controlled Oscillator VCO Frequency Step Response and Settling Autoscale and Scaling The application will normally autoscale to the current data set placing the minimum value near the bottom of the display and the maximum value near the top of the display This is particularly useful when you don t know the exact values of the acquired data However at other times you may be interested in manually fixing the scale so you only view a particular portion of the waveform F or example you may only be interested in the waveform settling characteristics Suppose that you are only interested in verifying that the VCO out
9. HP E1725C TIA features a modular architecture that offers both high performance timing measurements and a customized user interface which can be configured to specific measurement applications The HP E1740A Time Interval Analyzer VXI module is the measurement hardware of the system The HP E1742A 43A 44A 46A 48A series of analysis software is designed to tune the TIA to specific needs for greater ease of use and higher productivity The TIA and software provide the following measurement and analysis features e Graphical user interface implemented in Windows 3 1 or Windows 95 A mouse or similar pointing device can be used to set up the TIA control operation and analyze results e Large sequential data capture Up to 256 thousand singlechannd measurements can be acquired in sequence This can be useful when studying phenomena which occur over many measurement samples e Large histogram capacity Large amounts of data can be collected into a histogram very quickly Statistical analysis is enhanced with higher confidence due to large sample sizes e Continuous edge sampling up to 80 MHz rate In the HP E1743A and E1744A every edge can be timed in a pulse series up to an 80 MHz rate 12 5 ns minimum continuous interval 3 2 usec maximum interval In the HP E1742A HP E1746A and HP E1748A and optionally the HP E1743A and HP E1744A every viii Getting Started Guide In This Guide edge can be captured up to a 40 MHz r
10. Modify gt gt Set initial phase to zero Filter l Disable Pre measure Pacing No Filter y 7 Auto r Clock Carrier Frequency Input C User Specified Calculated Carrier Estimator Type 1 Frequency Least Square Straight Line M C2 Calculated using Least Squares Fit Most recent calculation 99 99942134100 MHz DSi CDSS CE CC Uther Cancel This window is used to specify the measurement processing parameters which areinherent in measurement calculations such as the number of measurements the duration of the measurement the number of averages filtering clock carrier determination etc You will also select the TIA input channel 1 or 2 which will be used to collect the data for measurement computations The actual data acquisition and processing will be selected and initiated from the Measure menu The HP E1743A 44A 46A 48A dialog boxes will look slightly different than the HP E1742A shown above 2 10 Getting Started Guide Chapter 2 Practice Using the TIA TIA Tutorial Parameters for This portion of the window lets you modify parameters that are inherent in the measurement processing such as the measurement time the number of measurement points during that time window types for FFT computations etc Next to Phase Frequency Deviation or Period Frequency TI amp Phase in the HP E1743A 44A you will seethat you can modify the number of frequency measurement
11. PAN File Edit Setup Measure View Help Notes ES Fun Fo DEE Integral ms Autoscale ReMeasure Frequency deviation from Fo PETE EE Iof xP MHz 03 07 1994 Frequency Modulation Radians 300 kHz C Degrees A Phase Unite Aik ee tac egee A A assat Unit Interval Unit Time E La Modulo sol ne e Doll eee 50 0 i y kHz4div 4 qee 44 4 0 0 Cancel 300 i i i i kHz ogo 100 usec div ee sec msec Reading from C HPE1742A DEMO FM PAN Finished reading from C HPE1742A DEMO FM PAN Fo 99 999421341000 MHz Pace 101 N 1024 Ymin 265 5733125000 kHz Ymax 256 4974062500 kHz Ymax Ymin 522 0707187500 kHz Warning Displayed graph may not reflect current setup parameters Use View Menu to redisplay data You can select units for the phase measurement results from this window All phase displays will show the selected units on the Y axis You can obtain other phase units by clicking on a point The other units for that point will be shown in the Log display at the bottom of the screen Getting Started Guide 2 15 Chapter 2 Practice Using the TIA TIA Tutorial Initiating a Measurement and Viewing Results Measure Menu 1 Click on Measure to view the available measurement selections Since this demonstration is using a saved data file do not select any of the measurement choices at this time If you wanted to make a live measurement with hardware you
12. a unique address ULA For HP E1740A hardware error conditions refer to the HP E1740A User s Guide You can configure the HP E174XA to always use the interface you just selected as follows Select File gt Save Setup As Select the file inisetup stp in the ca hpe174Xa directory This is the setup file the software uses as its configuration when loaded Chapter 1 How to Begin Where to Now Whereto Now If this is your first time using the TIA you may want to follow the short tutorial in Chapter 2 It demonstrates how to set up the TIA to acquire and analyze measurement data without the need for an actual signal to measure Chapter 3 goes into more detail about measuring and analyzing actual signals Data files are included with your software to be used as examples to illustrate key points These data files are generic and may not illustrate the specific application for which you purchased the software The on line Help file is intended to do this Getting Started Guide 1 13 Chapter 1 How to Begin Where to Now Practice Using the TIA Chapter 2 Practice Using the TIA In this Chapter In this Chapter This chapter provides the opportunity for you to learn about some of the TIA s features and operation without the need for connecting actual signals to the instrument Data files which were measured with the TIA are included with the analysis software A frequency deviation measurement for a frequency mod
13. deviation is a relative measurement you have the choice of making the first phase measurement zero or making the average phase deviation zero The Set initial phase to zero box is not checked for this measurement so the average phase deviation will be zero 3 14 Getting Started Guide Chapter 3 Demo Waveforms Demo 2 Phase Modulation Analysis BPSK The Carrier Frequency has been entered as a User Specified value of 100 0 kHz The phase deviation measurements will be computed relative to a constant frequency value of 100 kHz 4 Click on the Cancel button to close the Measure View Setup menu 5 Select File gt Load Data File Open the demo subdirectory cA hpel74Xa demo and click on the file bpsk pan This will retrieve the stored data and display it as Phase Deviation vs time Phase Deviation Results HI HP E1742A Phase Deviation versus time file BPSK PAN File Edit Setup Measure View Help Notes Zoom Fo DeTitt Integral F Autoscale ReMeasure Phase deviation in degrees as function of time Fs 100 1 kHz Fo 100 00000 kHz 03 07 1994 BPSK Signal 120 deg 20 0 deg div 1 00 msec div Warning Setup may have changed since graph was displayed Reading from C HPE1742A DEMO BPSK PAN Finished reading from C HPE1742A DEMO BPSK PAN Fo 100 00000000000 kHz Pace 1 N 1024 Warning Displayed graph may not reflect current setup parameters Use View Menu to redisplay data
14. from the modulated carrier This information has been processed as deviation in phase from a carrier and stored in a file The following features will be demonstrated on this waveform e Phase Deviation measurements e DeTilt feature e FFT analysis Start 1 Select File gt Load Setup 2 Open the demo subdirectory c hpel74Xal demo and click on the file bpsk stp 3 Click the OK button 3 12 Getting Started Guide Chapter 3 Demo Waveforms Demo 2 Phase Modulation Analysis BPSK Overview Thesignal is a 100 kHz carrier phase modulated by a 1 kHz square wave The input signal has an amplitude of 500 mV p p and is centered about 0 volts The signal is connected to input 1 of the HP E1740A 1 Select Setup gt instrument Setup to view the HP E1740A setup menu HP E1740A Setup r Input r Trigger Configure Threshold 10 24 Y to 10 24 Y M Use Tri dios ci 0 000 Y se Trigger Inpu C2 m Gnd Find 50 Level X10 Probe Sec Exo Slope ECL Gnd TTL Hysteresis TTL r Slope C Ga Select Measurement Channel a lt JJ on WMeasure View Setup Menu y Coupling r Impedance E Delay from Arm GAC 50 0hm ODC O1 MOhm 75 000 ns to 26 214 ms OK Cancel r Reference Interface amp Errors Internal Service C External Setup Cik10 Calibration This is the HP E 1740A Setup menu to configure
15. inisetup stp This configuration will automatically be loaded when the Windows application is started In general instrument setups are saved by selecting File gt Save Setup As Note that the INISETUP STP file and the default parameters are two different files and may not necessarily result in the same instrument configuration Getting Started Guide 2 5 Chapter 2 Practice Using the TIA TIA Tutorial 2 A window will appear with an explanation similar to the one shown here when you retrieve the default setup Load Default Setup 2 Load Default Setup forces the software to a known fixed initial state not necessarily the setup used when the program is first executed The file INISETUP STP is loaded as the initial setup at startup and can be used to save a favorite setup This will not change the parameters loaded by Load Default Setup Do you wish to load the Default Setup now Click on the Yes button to proceed Recalling a Saved Data File and Setup Select File gt Load Data File Select the file fm pan in the cA hpe174Xa demo directory Y ou will be using data that was acquired with the TIA and saved as a data file pan Thisis a convenient way to experiment with the measurement and analysis features without the need for live input signals Select File gt Load Setup Select the setup file fm stp in the cA hpe174Xa demo directory This is the instrument configuration used to acquire
16. the data in fm pan 2 6 Getting Started Guide Chapter 2 Practice Using the TIA TIA Tutorial Configuring the TIA for a Measurement Setup Menu 1 Select the Instrument Setup window by clicking on Setup gt i nstrument Setup HP E1740A Setup Input Trigger Configure Threshold 10 24 Y to 10 24 Y isa Trigger Input ea 0 000 Y ii C2 z Gnd Find SUE vel X10 Probe ECL x10 Slope ECL Gnd TTL Hysteresis TTL O Slope f Select Measurement Channel on Measure View Setup Menu r Coupling Impedance Ml Delay from Arm GAC 6 500hm CDC C1 MOhm 75 000 ns to 26 214 ms DK Cancel Calibration Reference Interface amp Errors Internal Service External Setup O CIk10 This window is used to specify the measurement hardware configuration The window is divided into five or six separate areas Input Configure Trigger Calibration amp Errors Reference and Interface are common to all HP E174XA products Y ou will only need to modify the Input Configure and Trigger selections for most measurements n most cases changes become effective when you click the OK button and close this dialog box Getting Started Guide 2 7 Chapter 2 Practice Using the TIA TIA Tutorial Input Configure Channds 1 and 2 are configured separatel y by clicking on the appropriate channel You can determinethe input thresh
17. the demo sub directory c hpel74Xa demo and click on the file fm pan Click the OK button You have retrieved the FM signal you saw in the TIA Tutorial in this guide Suppose you want to integrate this data with a report or your lab notebook Select Edit gt Copy Graph You have now copied the active window in the HP E174XA application to the Windows Clipboard If you want you can verify the current contents of the dipboard by opening the Clipboard Viewer application in the Accessories group under Programs 3 20 Getting Started Guide Chapter 3 Demo Waveforms Demo 3 Sharing TIA Data With Other Windows Applications Open the Windows WordPad Program Minimize the TIA application by clicking on the minimize E button in the top right corner of the window In Windows 95 click the Start button select Programs group and select the Accessories con Double click on the WordPad con to open this application Y ou have now opened the Windows WordPad word processor application and you will see a blank space Select Edit gt Paste You have just copied the bit mapped graphics from the TIA application to the word processor without a scope camera printer or plotter as shown in the figure on the following page Getting Started Guide 3 21 Chapter 3 Demo Waveforms Demo 3 Sharing TIA Data With Other Windows Applications A Document WordPad BEE File Edit View Insert Format Help ial Slraj elo
18. the instrument to measure the BPSK signal 2 Click the Cancel button to exit this menu without making changes 3 Select Setup gt Measure View Setup Getting Started Guide 3 13 Chapter 3 Demo Waveforms Demo 2 Phase Modulation Analysis BPSK Measure View Setup qa Number of Samples 1024 A A AL 7 Measurement Time 10 240 ms To change parameter value double click on parameter or select Modify Modify gt gt F Set initial phase to zero Filter TF Disable Pre measure Pacing No Filter zi I Auto Clock Carrier Frequency Input User Specified C Calculated Carrier Estimator Type 1 Frequency Least Square Straight Line y C2 100 00000000000 kHz Most recent calculation 100 0000000000 kHz CDS1 DS3 CEI Other NOTE The specified frequency will be OK used for ALL calculations Cancel Notice that the measurement time for the Phase Frequency Deviation function in the HP E1742A 46A 48A Period Frequency TI Phase function in the HP E1743A 44A is 10 24 msec This has been done sothe display will show a number of cycles of the 1 kHz modulation The use of automatic pacing will let the TIA determine the appropriate number of cycles of the 100 kHz carrier to skip so 10 msec of the signal can be captured and analyzed A measurement time of 10 24 msec while collecting 1024 samples implies that a sample will be captured every 10 usec Since phase
19. would select a choice on the Measure menu at this time For example to measure the dynamic frequency characteristics FM of this signal you would select Frequency Deviation from the list you see Subsequent measurement acquisitions can be initiated by clicking on the ReMeasure button FE HP E1742A Frequency Deviation versus time file FM PAN File Edit Setup MUEESTOS View Help Notes Jitter Ctrl Full es Ctrlew Autoscale eMeasure Frequency devi Frequency Deviation Ctrl F B0 1 kHz Fo 100 0 MHz 03 07 1994 Frequency Mod Phase Deviation Ctrl P 300 Phase Power Spectral Density Ctrl S kHz IDEY Root TVAR Ctrl T Allan Variance Ctr MTIE Ctrl M 50 0 kHz div l b i 300 i kHz oo 100 usec div 1 034 sec msec Reading from C HPE1742A DEMO FM PAN Finished reading from C HPE1742A DEMO FM PAN Fo 99 999421341000 MHz Pace 101 N 1024 Ymin 265 5733125000 kHz Ymax 256 4974062500 kHz Ymax Ymin 522 0707187500 kHz Warning Displayed graph may not reflect current setup parameters Use View Menu to redisplay data 2 16 Getting Started Guide Chapter 2 Practice Using the TIA TIA Tutorial MEASURE MENU VS VIEW MENU The choices on these two menus are very similar however the action performed by the instrument is quite different Selecting any of the choices on the Measure menu will cause the instrument to initiate a measurement and acquire a new set of data points and perform the sel
20. 0 MHz A trigger signal occurs approximately 116 usec prior to the voltage step This trigger signal is connected to the Trigger input of the HP E1740A The VCO output signal is connected to input 1 of the HP E1740A and is 1 volt pk pk centered at O volts no DC offset Getting Started Guide 3 3 Chapter 3 Demo Waveforms Demo 1 Voltage Controlled Oscillator VCO Frequency Step Response and Settling 1 Select Setup gt instrument Setup to view the HP E1740A setup menu HP E1740A Setup r Input r Trigger Confi E Threshold 10 24 Y to 10 24 Y ea aay 2 V Use Trigger Input C2 C Gnd Find bOaevel FT X10 Probe CECL mxo EC Gnd Ty Hysteresis TTL r Slope ECL C r Slope Ox Select Measurement Channel O on Measure View Setup Menu IV Delay from Arm 75 000 ms 75 000 ns to 26 214 ms AC 50 Ohm CDC Ren MOhm Coupling r Impedance DK Cancel Calibration r Reference Interface amp Errors Internal Service External Setup CIk10 2 Thisisthe Instrument Setup menu for the HP E1740A configured to measure the VCO signal The input circuitry for inputs 1 and 2 and the trigger input as well as the delay from trigger are specified on this menu Click Cancel to dose this menu without making changes and proceed to the next step 3 Select Setup gt Measure View Setup 3 4 Getting Started Guide Chapter 3 Demo Waveform
21. 06A Slot 0 command module with HP IB card in computer TIA module HP E1740A included None Measurement control and analysis software HP E1742A Tributary J itter Analysis HP E1743A Clock J itter Analysis HP E1744A Token Ring itter Analysis HP E1746A Network Synchronization Measurement Software HP E1748A Multiple Channel Network Synchronization Measurement Software one included Create custom programs to control the HP E1740A TIA module Getting Started Guide Chapter 1 How to Begin In this Chapter Components Provided Components Needed with a Standard to Configure a TIA HP E1725C Possible Alternatives MS DOS 6 0 or later included MS DOS 5 0 or later Windows 3 1 or Windows 95 Windows 95 National Instruments included PCMCIA GPIB Kit Getting Started Guide 1 3 Chapter 1 How to Begin HP E1725C and HP E1740A Time Interval Analyzers with the HP E1742A 43A 44A 46A 48A Analysis Software HP E1725C and HP E1740A Time Interval Analyzers with the HP E1742A 43A 44A 46A 48A Analysis Software The HP E1725C TIA is a stand alone instrument Connect the pieces as described below and apply power Skip the steps that do not apply TheTIA is then ready to start measuring The HP E1742A 43A 44A 46A 48A are options to the HP E1725C option 242 243 244 246 and 248 respectively These software packages are Microsoft Windows applications which serve as the us
22. 6 U S A Tel 305 267 4245 305 267 4220 Fax 305 267 4288 United States Hewlett Packard Company Test and M easurement Organization 5301 Stevens Creek Boulevard Building 51L SC Santa Clara California 95052 8059 1 800 452 4844 Europe Africa and Middle East Austria 0 1 25000 0 Baltic Countries 358 08872 2100 Belgium and Luxembourg 02 778 3417 Czech Republic 0042 2 4743111 Denmark 45 99 10 00 Finland 90 88 721 France 0 1 69 82 60 60 Germany 0180 532 62 33 Greece 1 7264045 Hungary 1 252 4705 Ireland 01 284 4633 Israe 03 5380 333 Italy 02 92 122 241 Netherlands 020 547 6669 Norway 22 73 57 50 Poland 22 608 7700 Portugal 11 482 85 00 Russia Tele 7 095 928 6885 Fax 7 095 916 9844 South Africa 011 806 1000 Spain 34 1 631 1323 Sweden 08 444 22 77 Switzerland 01 735 7111 Turkey 212 224 59 25 United Kingdom 01344 366 666 For countries in Europe Middle East and Africa not listed contact Hewlett Packard International Sales Europe Geneva Switzerland Tel 41 22 780 4111 Fax 41 22 780 4770 Printed in U S A Data subject to change Rev 01 98 Continued from front matter Warranty contd HP does not warrant that the operation of HP products will be uninterrupted or error free If HP is unable within a reasonable time to repair or replace any product toa condition as warranted
23. Fo 100 MHz 03 07 1994 Where Fs sampling frequency or the nominal measurement gate time for each data point Fo clock or carrier frequency used in the deviation calculations The date is the date the measurement was taken Immediately beneath this information is the graph title as entered on the Setup gt Display Setup menu Frequency Modulation The HP E1742A 43A 44A 46A 48A software prompts you for a graph title the first time a measurement has been made This title is retained for subsequent measurements and can be modified by selecting Edit gt Display Setup The bottom portion of the display is a running log of the instrument status and cursor readouts This includes information about the data files that have been loaded the current pacing value in the measurement the total number of measurement points etc In addition cursor information is also displayed in this box A scroll bar on the right hand side allows you to view a running list of these results The cursor is a crosshair which is controlled by the mouse when it is positioned in the results area of the display You can retrieve the current mouse position by clicking the left mouse button 2 20 Getting Started Guide Chapter 2 Practice Using the TIA TIA Tutorial 2 Position the cursor on a peak of the sinusoid and click the left button on the mouse pn HP E1742A Frequency Deviation versus time file FM PAN File Edit Setup Measure View H
24. MRK2 gt Time 415 0 usec Freq Deviation 255 3 kHz Freq 99 744106638 MHz MRK1to2 gt Dtime 46 95 usec Dfreq 509 3kHz NOTE The cursor position values are the x y position on the graph The cursor is not tied to measurement data points You can magnify or zoom in on a particular portion of the waveform by defining the area of interest with the cursor and clicking on the Zoom button Position the cursor at a positive peak of the sinusoid and click the left button Without releasing the button drag the cursor to the next Getting Started Guide 2 23 Chapter 2 Practice Using the TIA TIA Tutorial negative peak and release it The green box defines the zoomed display when the Zoom button is clicked 5 Click the Zoom button pn HP E1742A Frequency Deviation versus time file FM PAN Fie Edit Setup Measure View Help Notes HERE gt ReMeasure Frequency deviation from Fo Fs 990 1 kHz Fo 100 0 MHz 03 07 1994 No filter selected Frequency Modulation 259 kHz 51 8 ee A E E EEE A E EA EATA kHz div 0 0 259 h i i J kHz a 7 77 usec div 1323 usec usec MRK2 gt Time 415 0 usec Freq Deviation 255 3 kHz Freq 99 744106638 MHz a MRK1to2 gt Dtime 46 95 usec Dfreq 509 3kHz Time 355 1 usec Freq Deviation 259 3 kHz Freq 100 25868008 MHz Time 432 9 usec Freq Deviation 258 8 kHz Freq 99 740582169 MHz NOTE Y ou can define the zoom area anywhere in the data display ar
25. O ET Getting Started Guide HP E1725C and HP E 1740A Time Interval Analyzers with the HP E1742A 43A 44A 46A 48A Analysis Software Getting Started Guide This guide describes how to start using the HP E1725C and the HP E1740A Time Interval Analyzers TIA with the HP E1742A HP E1743A HP E1744A HP 1746A and HP E1748A Analysis Software HP E1725C options 242 243 244 246 and 248 respectively Information on installation start up and first use of the TIA are provided HP E1725C and HP E1740A Time Interval Analyzers with the HP E1742A 43A 44A 46A 48A Analysis Software Copyright Hewlett Packard Company 1998 All Rights Reserved Reproduction adaptation or translations without prior written permission is prohibited except as allowed under the copyright laws Printed April 1998 Printed in USA Manual part number E 1725 90012 Hewlett Packard Company Santa Clara Division 5301 Stevens Creek Boulevard Certification and Warranty Certification Hewlett Packard Company certifies that this product met its published specification at the time of shipment from the factory Hewlett Packard further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology formerly National Bureau of Standards tothe extent allowed by the Institute s calibration facility and to the calibration fadlities of other International Standards Organization
26. This is easily donein WordPad by highlighting the text to be modified then going to Format gt F ont and selecting the desired font and size Note also that you can directly edit the logging window in the E174XA application by positioning the cursor in the logging window and typing or using basic edit functions from the keyboard In this way you can add annotations to the data or delete undesired information You can copy the entire HP E174XA display using the Print Screen key found in the upper right hand corner of most keyboards Print Screen will copy the entire current display to the Windows clipboard ALT Print Screen will copy only the active window to the clipboard 3 24 Getting Started Guide Chapter 3 Demo Waveforms Demo 3 Sharing TIA Data With Other Windows Applications Sharing Data Return to the HP E174XA application Select File gt Save Data for Export As Open the demo subdirectory c hpel74Xa demo Type the filename temp txt and click the OK button You have saved the FM data as ASCII text Return to the Windows WordPad application Select File gt Open The Open dialog box appears Open the directory c hpe174Xa demo by selecting the path c hpe174Xa demo in the Look in field of the Open dialog box Type the filename temp txt in the Filename field and click the Open button Click No button to answer the question Save changes to document Getting Started Gu
27. acing will be determined automatically and input 1 will be used for measurement data Getting Started Guide 3 5 Chapter 3 Demo Waveforms Demo 1 Voltage Controlled Oscillator VCO Frequency Step Response and Settling 4 Click on the Cancel button to close the Measure View Setup menu Select File gt Load Data File Open the demo subdirectory c hpel74Xa demo and click on the file vco pan and click on OK This will retrieve the data and display the computed F requency Deviation vs time Frequency Deviation Results MI HP E17424 Frequency Deviation versus time file CO PAN File Edit Setup Measure View Help Notes Zoom Full Fo Detit Integral ms Autoscale ReMeasure Frequency deviation from Fo as function of time Fs 1 093 MHz Fo 9 935 MHz 03 07 1994 CO Frequency Step 200 100 kHz div 90 0 usec div Reading from C HPE1742A DEMO VCO PAN a Finished reading from C HPE1742A DEMO VCO PAN Fo 9 9345481166000 MHz Pace 3 N 1024 Ymin 935 4238750000 kHz Ymax 159 0964062500 kHz Ymax Ymin 1 094520281250 MHz Warning Displayed graph may not reflect current setup parameters Use View Menu to redisplay data This is a display of frequency deviation from a constant reference frequency Fo The reference shows up in the display as a green line at a value of zero The Fo computed by the software is displayed in the log at the bottom of the display This value can be recalled at any ti
28. ate 25 ns minimum continuous interval 104 ms maximum interval e Easily share data with other applications Include TIA results in lab reports using Windows word processing software such as Microsoft Word for Windows or Lotuse Amipro e Resolve signal edge timing to within 50 ps LSD Characterize small amounts of jitter and timing noise on a single shot basis Documentation List The following manuals are part of the standard HP E1725C Time Interval Analyzer Manual Title HP Part Number HP E1725C and HP E1740A Time Interval Analyzers E1725 90012 with the HP E1742A 43A 44A 46A 48A Analysis Software Getting Started Guide this guide HP E1740A Time Interval Analyzer User s Guide E 1740 90005 HP E1421B VXI Mainframe Manual E 1421 90000 HP E1406A Command Module User s Guide E 1406 90004 HP E1406A Command Module Installation Guide E 1406 90027 HP Omnibook 5700 CTX Laptop Computer manuals National Instruments GPIB User s Manual MS DOS and Windows 95 manuals Getting Started Guide ix In This Guide Where to Find Information The order in which you use these resources will depend on your situation When first starting to use the HP E1725C or HP E1742A 43A 44A 46A 48A refer to this Getting Started Guide When setting up the HP E1740A TIA in a VXI system you will find very important information in the HP E1740A User s Guide To find out more about Refer to the following installing th
29. ated carrier but a direct view of the spectral content of the modulation 2 Select View gt P hase Power Spectral Density at HP E1742A Phase Power Spectral Density file BPSK PAN File Edit Setup Measure View Help Notes Zoom E PER al ES e ReMeasure BPSK Signal dBc Hz Freq 4 967 kHz Magffft N 23 83dB 1ms 15 53 deg peak 21 97 deg Freq 6 933 kHz Magffft N 20 59dB rms 10 71 deg peak 15 14 deg Computing Plotting Fo 100 01080276489 kHz Pace 1 N 1024 This plot is very similar tothe FFT Since it is normalized the units arein dBc Hz Note that the top line of the display shows the noise bandwidth This completes Demo 2 Getting Started Guide 3 19 Chapter 3 Demo Waveforms Demo 3 Sharing TIA Data With Other Windows Applications Demo 3 Sharing TIA Data With Other Windows Applications A powerful feature of Microsoft Windows is the ability to share data and graphics between various applications using cut and paste on files The HP E174XA takes advantage of these features allowing you to easily share TIA data and graphics with other applications such as spreadsheets Lotus Excel etc word processors and other computational packages such as MathCad This demonstration will show how easy it is to share the HP E174XA graphics plots and data with a word processor in this case the Windows Write application Sharing Graphics Select File gt Load Data File Open
30. ation software files in a different directory highlight hpe174Xa and type in the preferred directory name Highlight the CA if you wish to modify the drive location as well Make a note of the directory you have selected as you will need this information later during the installation Click the Continue button to continue the installation An Interface Options window will appear next If you are using an HP 82335A HP IB interface the appropriate Window s driver hpib dll for the HP 82335A will be installed for you If you are certain that the correct interface driver is already available on your system and in the path you may leave Other N one selected Otherwise choose the appropriate interface If the interface you are using is not listed select Other None Click Continue to start the actual installation w Interface Options Al ES Which instrument interface do you have Interface Type C RadiSys Embedded O HP 82335 HP IB Tosnncsncnnsonsocconcssccscconsoos Continue Exit Getting Started Guide 1 9 Chapter 1 How to Begin Installing the HP E1742A 43A 44A 46A 48A Analysis Software After the program files from disks 1 and 2 are copied to your disk you will be asked toinsert disk 3 into the floppy drive Insert disk 3 into the floppy drive and click Continue A new setup program will be launched to install the Help system You will see another Initializing Setup
31. c and may not illustrate the specific application for which you purchased the software The on line Help file is intended to provide more application specific information You will be recalling this measurement data from stored files that are installed during the application software installation process described in Chapter 1 These demonstrations can be performed with or without having the HP E1740A Time Interval Analyzer hardware present 3 2 Getting Started Guide Chapter 3 Demo Waveforms Demo 1 Voltage Controlled Oscillator VCO Frequency Step Response and Settling Demo 1 Voltage Controlled Oscillator VCO Frequency Step Response and Settling This demonstration shows a VCO whose output is stepped from 9 MHz to 10 MHz The raw data or time stamps were previously recorded and subsequently saved to a file along with the measurement setup which processes the time stamps into frequency deviation measurements The following will be demonstrated e Recalling data files from disk e Using the cursors and markers e Zooming and scaling e Frequency deviation measurements e Settling time measurement e Frequency overshoot measurement Start Select File gt Load Setup Open the demo sub directory c hpel74Xa demo and click on the file yco stp Click the OK button Overview The VCO under test has a voltage step applied to the input control voltage causing the frequency output to step from 9 MHz to 1
32. ctive HP product TO THE EXTENT ALLOWED BY LOCAL LAW THE REMEDIESIN THIS WARRANTY STATEMENT ARE CUSTOMER SSOLE AND EXCLUSIVE REMEDIES EXCEPT AS INDICATED ABOVE IN NO EVENT WILL HP OR ITS SUPPLIERS BE LIABLE FOR LOSS OF DATA OR FOR DIRECT SPECIAL INCIDENTAL CONSEQUENTIAL INCLUDING LOST PROFIT OR DATA OR OTHER DAMAGE WHETHER BASED IN CONTRACT TORT OR OTHERWISE For consumer transactions in Australia and New Zealand the warranty terms contained in this statement except tothe extent lawfully permitted do not exclude restrict or modify and are in addition to the mandatory statutory rights applicable to the sale of this product to you Assistance Product maintenance agreements and other customer assistance agreements are available for H ewlett Packard products For any assistance contact your nearest H ewlett Packard Sales and Service Office Safety Considerations contd WARNING ANY INTERRUPTION OF THE PROTECTIVE GROUNDING CONDUCTOR INSIDE OR OUTSIDE THE INSTRUMENT OR DISCONNECTING THE PROTECTIVE EARTH TERMINAL WILL CAUSE A POTENTIAL SHOCK HAZARD THAT COULD RESULT IN PERSONAL INJURY GROUNDING ONE CONDUCTOR OF A TWO CONDUCTOR OUT LET IS NOT SUFFICIENT PROTECTION Whenever it is likely that the protection has been impaired the instrument must be made inoperative and be secured against any unintended operation If this instrument is to be energized via an autotransformer for vo
33. customer will be entitled toa refund of the purchase price upon prompt return of the product HP products may contain remanufactured parts equivalent to new in performance or may have been subjected to incidental use The warranty period begins on the date of delivery or on the date of installation if installed by HP If customer schedules or delays HP installation more than 30 days after delivery warranty begins on the 31st day from delivery Warranty does not apply to defects resulting from a improper or inadequate maintenance or calibration b software interfacing parts or supplies not supplied by HP c unauthorized modification or misuse d operation outside of the published environmental specifications for the product or e improper site preparation or maintenance TO THE EXTENT ALLOWED BY LOCAL LAW THE ABOVE WARRANTIES ARE EXCLUSIVE AND NO OTHER WARRANTY OR CONDITION WHETHER WRITTEN OR ORAL IS EXPRESSED OR IMPLIED AND HP SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY SATISFACTORY QUALITY AND FITNESS FORA PARTICULAR PURPOSE HP will beliable for damage to tangible property per incident up to the greater of 300 000 or the actual amount paid for the product that is the subject of the claim and for damages for bodily injury or death tothe extent that all such damages are determined by a court of competent jurisdiction to have been directly caused by a defe
34. e Chapter 2 Practice Using the TIA TIA Tutorial Reference Y ou can choose between three sources for the 10 MHz reference clock for the HP E1740A e Internal clock reference provided by the HP E 1740A internal circuitry e External clock reference provided by the user via the input connector on the front pane of the HP E1740A e CLK10 dock reference provided by the VXI Slot 0 Controller via theVXI backplane Interface HP E1742A 43A 43A 46A 48A supports various interfaces Clicking on the Setup button allows you to select and configure the interface The interface configuration is not affected by recalling the Default Setup Parameters One additional area on the nstrument Setup dialog box appears if you areusingtheHP E1743A 44A Sample Rate The Sample Rate parameter controls the maximum rate at which the signal can be sampled It does not control the rate at which the signal is actually sampled Seethe HP E1743A 44A on line Help for moreinformation about Sample Rate 2 Click on Cancel to close the HP E1740A Interface window Getting Started Guide 2 9 Chapter 2 Practice Using the TIA TIA Tutorial 3 Select the measurement setup window by clicking on Setup gt Measure View Setup Measure View Setup y Parameters for Phase amp Frequency Deviation To change parameter value double click on parameter or select Modify Number of Samples 1024 Measurement Time 1 0240 ms
35. e HP Applications program group Getting Started Guide 1 7 NOTE Chapter 1 How to Begin Installing the HP E1742A 43A 44A 46A 48A Analysis Software Install the HP TIA Software Insert the HP E1742A 43A 44A 46A 48A disk 1 intothe 3 5 inch floppy drive Start Windows Open Windows Explorer and double click on Setup File to install the software The software cannot be installed while another Visual Basic program is open in Windows If you see an error message to this effect close all other Visual Basic programs to proceed with the installation Shortly after double clicking you will see the installation window shown below If you see a different window you may have inserted disk 3 by mistake Disk 3 also has a file with the name setup exe Click Cancel and return to step 1 This window allows you to modify the directory for the software installation or to cancel the installation completely To cancel the installation click Exit Setup or press ALT E HP E1742A Setup If you want to install the test application in a different directory I and or drive type the name of the directory Install To MiS FE To quit Setup choose the Exit button Chapter 1 How to Begin Installing the HP E1742A 43A 44A 46A 48A Analysis Software To Modify the Directory The default directory is CA hpe174Xa where X 2 3 4 6 or 8 depending on the particular software package you have If you want to install the applic
36. e HP E1725C Time Interval Analyzer or HP E1742A 43A 44A 46A 48A Analysis software HP E1725C and HP E1740A Time Interval Analyzers with the HP E1742 43 44A 46A 48A Analysis Software Getting Started Guide this guide installing the HP E1740A Time Interval Analyzer VXI module HP E1740A User s Guide the specifications for the HP E1725C HP E1740A TIA HP E1740A User s Guide how to program the HP E1740A Time Interval Analyzer VXI module HP E1740A User s Guide the HP E1421B six slot mainframe HP E1421B Mainframe Manual the portable computer for the HP E1725C HP Omnibook 5700 CTX Laptop Computer manuals making specific HP E1742A 43A 44A 46A 48A measurements HP E174XA on line Help Getting Started Guide How to Begin Chapter 1 How to Begin In this Chapter In this Chapter This chapter describes in a step by step fashion how to assemble and start operating your Hewlett Packard TIA Time Interval Analyzer The steps also make a good checklist to follow when you suspect a problem with your setup Components Needed to Configure a TIA VXI mainframe Components Provided with a Standard HP E1725C 6 slot mainframe included Possible Alternatives 13 slot mainframe such as the HP E1401B Computer HP Omnibook 5700 CTX Laptop Computer HP Vectra or IBM compatible PC with HP 82335B or HP 82341B HP IB card installed VXI interface control Included in HP 14
37. e Tutorial Selecting Commands with the Mouse Y ou select commands by pointing with the mouse cursor and then clicking on each of the commands by pressing the left mouse button For example when you see Setup gt nstrument Setup click on the Setup menu and then the Instrument Setup selection in the pulldown menu Hints Provided in Italics Helpful information is presented throughout this tutorial The information will help you with the current task or sometimes it is just to let you know that you are progressing properly 2 4 Getting Started Guide NOTE Chapter 2 Practice Using the TIA TIA Tutorial TIA Tutorial Y ou should already havethe HP E1742A 43A 44 46A 48A application running If not refer to Chapter 1 of this guide for information on how to install the software and start the TIA application The windows and dialog boxes shown in this guide are those of the HP E1742A The screens on the HP E1743A 44A 46A 48A may have a slightly different appearance Presetting the Instrument to a Known State OncetheTIA application is started select File gt Load Default Setup The default setup will configurethe TIA to a known state as determined by a set of parameters fixed at the factory similar tothe preset key on many instruments Y ou may also customize the initial user interface configuration by first configuring the instrument as desired and saving the setup in the file INISETUP STP File gt Save Setup
38. e VXI mainframe Chapter 1 How to Begin Installing the HP E1742A 43A 44A 46A 48A Analysis Software Installing the HP E1742A 43A 44A 46A 48A Analysis Software This section provides instructions for installing the user interface software onto your computer This software is already installed on the HP E1725C TIA If you have purchased the HP E1742A 43A 44A 46A 48A Analysis Software by itself follow these instructions to install the software HP E1725C TIA Requirements The following are the minimum requirements to support operation of the HP E1725C TIA using the HP E1742A 43A 44A 46A 48A software e 20 MHz 386 based PC with a 387 co processor e 8 megabytes of RAM A hard disk with at least 6 megabytes of free disk space DOS version 5 0 or later and Microsoft Windows version 3 1 or Windows 95 e Atwo button mouse It is recommended that you always read any readme files associated with the software before proceeding with the installation These files contain important information which may not be found elsewhere The HP E174XA readme file can be viewed by one of the following methods e Insert the HP E174XA disk 1 in drive a or whatever floppy drive is appropriate Start Windows 95 select Programs group double click on Windows Explorer icon choose drive a and double click on the readme wri file I ftheHP El74XA softwareis already installed on the PC double click on the readme icon in th
39. e mouse button Both markers may be cleared in one operation by clicking both mouse buttons together Zooming Any portion of the data display may be arbitrarily magnified using the zoom feature You simply define two diagonal corners of a rectangle which will be the new magnified display To magnify the peak overshoot and settling of the VCO response position the cursor just to the left of the overshoot of the waveform Click and drag the mouse to define the area you wish to magnify as follows Click the left mouse button you ve just defined the upper left hand corner position of the magnified display and drag the mouse to a point just to the right of the ringing portion of the waveform and slightly beneath the 10 MHz frequency level Release the mouse button You have defined the lower right hand corner position of the magnified display The green box outlines the region that will be magnified when you click the zoom button Getting Started Guide 3 7 Chapter 3 Demo Waveforms Demo 1 Voltage Controlled Oscillator VCO Frequency Step Response and Settling 2 Click the Zoom button on thetool bar The display will zoom to the area inside the green zoom box THP E1742A Frequency Deviation versus time file CO PAN File Edit Setup Measure View Help Notes Z i Ful Fo Dem Integral mms Autoscale ReMeasure Frequency deviation from Fo as function of time Fs 1 093 MHz Fo 9 935 MHz 03 07 1994 CO
40. ea where the cursor appears as a Valid points are not confined tothe grid portion of the data display Y ou can achieve greater and greater magnification by repeating the zoom process on successive displays To rescalethe graph to full view dick on the Full or Autoscale buttons 2 24 Getting Started Guide Chapter 2 Practice Using the TIA TIA Tutorial Printing Results Select File gt Print Graph This will print the measurement graph area on the currently active Windows printer You can configure or modify the Windows printer in the Windows Control Panel application If a printer is not currently active the buttons will disappear and you will need to exit and restart the HP E174XA software to get them back Selecting File gt Print Graph with Log will print both the measurement graph area and the current results displayed in the log area To print the entire log select File gt Print Log Getting Started Guide 2 25 Chapter 2 Practice Using the TIA TIA Tutorial 2 26 Getting Started Guide Demo Waveforms Chapter 3 Demo Waveforms In this Chapter In this Chapter This chapter provides detailed demonstrations using data that was acquired with the HP E1740A TIA and processed using the applications software The acquired data was saved in files in the demo directory The examples shown can be duplicated with the HP E1742A HP E1743A HP E1744A HP E1746A or HP E1748A These data files are generi
41. ected result processing Selecting any of the choices on the View menu will cause the instrument to perform the selected calculations on the currently acquired data The notable difference between the selections on the Measure and View menus is that the View menu also offers the choice to compute an FFT of the data currently on the display Note that data files that are saved and subsequently recalled can be re processed to compute other results using the View menu The display is now showing Frequency vs time This signal is a 100 MHz carrier with sinusoidal frequency modulation approximately a 11 kHz rate and a 500 kHz p p deviation You can re process the data to display phase power spectral density by performing the following step Getting Started Guide 2 17 Chapter 2 Practice Using the TIA TIA Tutorial 2 Select View gt P hase Power Spectral Density Phase Power Spectral Density file FM PAN a HP E1742A File Edit Setup Measure View Help Notes Ful Fo per Integral ms Autoscale ReMeasure N 1024 Gaussian window Avg 1 Noise BW 1 911 kHz Fs 990 1 kHz Fo 100 0 MHz 03 07 1994 No filter selected Frequency Modulation 0 00 dB dBc Hz 20 00 dB Div Ymin 265 5733125000 kHz Y max Ymin 522 0707187500 kHz Warning Displayed graph may not reflect current setup parameters Use View Menu to redisplay data Ymax 256 4974062500 kHz Computing Plotting Fo 99 999421341302 MHz Pace 101 N
42. elp Notes Zoom Full Fo Detit E Integral stort BeWMeasure Frequency deviation from Fo No filter selected Frequency Modulation kHz div 100 usec div Fo 99 999421341302 MHz Pace 101 N 1024 Fo 99 999421341302 MHz Pace 101 N 1024 Ymin 265 5732500000 kHz Ymax 256 4974218750 kHz Ymax Ymin 522 0706718750 kHz Time 462 0 usec Freq Deviation 250 4 kHz Freq 100 24986889 MHz The last line of the display shows the x value of the cursor time the difference between the measured frequency and the carrier frequency Fo Freq Deviation and the absolute frequency value Freq Y ou can also display a marker marker 1 on a dicked point by holding the SHIFT key while you click the left mouse button The same information as above is displayed as MRK 1 gt Getting Started Guide 2 21 Chapter 2 Practice Using the TIA TIA Tutorial at HP E1742A Frequency Deviation versus time file FM PAN File Edit Setup Measure View Help Notes Zoom Ful _Fo a E Integral l ReMeasure Frequency deviation from Fo No filter selected Frequency Modulation 300 50 0 kH2 div UO usec div Fo 99 999421341302 MHz Pace 101 N 1024 Fo 99 999421341302 MHz Pace 101 N 1024 Ymin 265 5732500000 kHz Ymax 256 4974218750 kHz Ymax Ymin 522 0706718750 kHz Time 462 0 usec Freq Deviation 250 4 kHz Freq 100 24986889 MHz MRK1 gt Time 368 1 usec Freq Deviation 254 0 kHz Freq 100 25339337 MHz
43. emos 3 26 Getting Started Guide Index A alternative products 1 2 analysis FFT 3 17 analysis features viii assembling viii 1 5 autoscale 3 9 C configuting the TIA 2 7 continuous edge sampling viii conventions 2 4 cursors 3 7 cursors using 2 19 D data sharing 3 25 data capture viii demo phase modulation analysis BPSK 3 12 sharing TIA data with other Windows applications 3 20 VCO frequency step response and settling 3 3 description of time interval analyzer viii detilt 3 16 directory modifying 1 9 documentation list ix F features analysis viii FFT analysis 3 17 finding information x frequecy deviation 3 6 Getting Started Guide G graphics sharing 3 20 H healt check 1 11 histogram capacity viii HP TIA requirements 1 7 l initiating a measurement measurement initiation 2 16 installing HP TIA software 1 8 L list of documents ix log information 3 21 M markers 3 7 markers using 2 19 modifying the directory 1 9 mouse using 2 4 O operating HP TIA software 1 11 P phase deviation 3 15 power up 1 11 preface vii presettig instrument 2 5 printing 2 25 R requirements for TIA 1 7 S scaling 3 9 self test 1 11 sharing data 3 25 sharing data with other applications ix sharing graphics 3 20 Index 1 Index signal edge timing ix software operation 1 11 software applications features and functions 2 2 starting a
44. er interface and analysis portion of the TIA At least one of these packages must be included with the HP E1725C This guide describes how to assemble the TIA and start using it If you are assembling the HP E1725C for the first time reassembling it after some time or building the TIA using other computers or VXI mainframes this procedure will help The standard HP E1725C TIA instrument consists of the following items HP E1740A Time Interval Analyzer two slot C size VXI module e HP E1406A Slot 0 Command Module one slot C size VXI module e HP E1742A 43A 44A 46A 48A Analysis Software HP Omnibook 5700 CTX Laptop Computer e Six slot VXI C size mainframe e National Instruments PCMCIA GPIB Kit includes a PCMCIA card and a GPIB cable e DOS and Windows software e Four oscilloscope probes three 10 1 and one 1 1 e Blank panels for covering unused VXI mainframe slots NOTE Chapter 1 How to Begin Assembling the TIA Assembling the TIA HP E1725C TIA Assembly This section assumes that the HP E1725C is completely disassembled J ust skip the steps that do not apply to your situation The intention is to meet your needs if in the future you need to rebuild an HP E1725C that has been disassembled The standard HP E 1725C is shipped from the factory assembled and configured Before you start make sure power is shut off to all of the components Install the HP E1406A Command Module in slot O of the VXI mainframe With
45. g of the input signal to reconstruct the modulation or jitter on the signal Selection of Auto pacing allows the HP E174XA software to determine the number of skipped zero crossings in order to capture the specified number of samples in a given measurement time as specified in the Parameters for field You can directly specify the pacing by unchecking the auto box and entering the pacing value directly Input Allows selection of the measurement channel to be used for data acquisition and processing Thethreshold parameters for each channel are configured in the Setup gt i nstrument Setup menu 4 Click the Cancel button to close this window without making any changes 2 12 Getting Started Guide Chapter 2 Practice Using the TIA TIA Tutorial 5 Select the Display Setup window by clicking on Setup gt Display Setup Display Setup Ed Title Frequency Modulatio OK Max Freq Deviation Cancel 300 000 kHz VITA Min Freq Deviation 300 000 kHz Min Time Max Time 1 03369 ms I Show Points Show Masks Autoscale nanat EA A IM Autoscale Always Help Tr ETSI SEC FT ETSI SSU I ETSI PRC Get Zoomed Yalues Change Masks The Display Setup menu lets you annotate the display with a title date or other descriptive information which may be useful if you store the data toa file or print a hard copy You can also set the scaling for both the x and y axis of the measu
46. his VCO meets the 10 kHz after 225 usec specification 3 10 Getting Started Guide Chapter 3 Demo Waveforms Demo 1 Voltage Controlled Oscillator VCO Frequency Step Response and Settling HP E1742A Frequency Deviation versus time file CO PAN File Edit Setup Measure View Help Notes Zoom Fui _Fo DeTmt JE Integral l mus ReMeasure Frequency deviation from Fo No filter selected CO Frequency Step 10 0 2 00 kH2 div 10 0 usec div 173 5 usec Freq Deviation 160 8 kHz Freq 10 095359304 MHz 245 4 usec Freq Deviation 26 88 kHz Freq 9 9614292299 MHz Warning Setup may have changed since graph was displayed Fo 10 000000000000 MHz Pace 9 N 1024 Ymin 1 000875562500 MHz Ymax 93 63900000000 kHz Ymax Ymin 1 094514562500 MHz 11 Select File gt Load Default Setup and click on Yes to return the software to the default setup conditions This completes Demo 1 Chapter 3 Demo Waveforms Demo 2 Phase Modulation Analysis BPSK Demo 2 Phase Modulation Analysis BPSK This demonstration shows the phase modulation analysis capabilities of the TIA using a BPSK signal binary phase shift keying This is a common form of intentional phase modulation for digital communication systems where a carrier is shifted between two phase states 180 degrees A 1 may be represented by one of the phase states while a 0 is represented by the other The HP E1740A is used to gather timing information
47. htly modified value of Fo The tilt should be removed Note the new value of Fo 100 01 kHz instead of 100 0 kHz on the line just below the buttons You can also verify Fo by clicking on the Fo button and viewing the results log at the bottom of the display 3 16 Getting Started Guide Chapter 3 Demo Waveforms Demo 2 Phase Modulation Analysis BPSK MHPE17424 Phase Deviation versus time file BPSK PAN File Edit Setup Measure View Help Notes Zoom Ful Deri Integral F Autoscale ReMeasure Phase deviation in degrees Fs 100 1 kHz Fo 100 01080 kHz 03 07 1994 No filter selected BPSK Signal 100 deg 20 0 deg div 1 00 msec div Fo 100 00000000000 kHz Pace 1 N 1024 Warning Displayed graph may not reflect current setup parameters Use View Menu to redisplay data Time 406 3 usec Phase 1 256 rad 71 98 degree 200 0 mUI 2 000 usec Time 9 469 msec Phase 1 871 rad 107 2 degree 297 9 mUl 2 979 usec Fo 100 01080276489 kHz Pace 1 N 1024 NOTE The actual carrier frequency is about 10 Hz greater than the initial value specified for Fo The DeTilt feature lets you quickly correct for minor discrepancies in Fo FFT Analysis In certain applications it may be useful to study the spectrum of the modulating tone or perhaps the spectrum of undesired jitter This analysis can be useful to determine the source of unwanted jitter or phase noise Getting Started Guide
48. ide 3 25 Chapter 3 Demo Waveforms Demo 3 Sharing TIA Data With Other Windows Applications Ej Temp WordPad BEIEI File Edit View Insert Format Help Helal SI a lal a Sequential Number of data points 1025 Phase Analyzer Export Data 0 0000000000E 0 0075195860E 6 0149902866E 6 0225098726E 6 0299805733E 6 0375001592E 6 0451175159E 6 0526857598E 6 0603031165E 6 0680177891E 6 0075830687E 5 1083 691788E 5 2091651115E 5 3099707 758E 5 4107764400E 5 5116064787E S 6124462491E 5 7132959329E 5 8141503460E 5 9150194930E 5 0159031919E 5 1168016247E 5 2177244318E 5 3186521503E 5 4195896913E S 5205466955E 5 6215233447E 5 El J JNNNNNNDNAPAARPAPRPARRAR00O Jonson Dos cracaenr E For Help press F1 Y ou now have a list of the raw data measured by the HP E1740A TIA the ti me stamps seethe Help file for more information Similarly you could have imported the data into a spread sheet to perform your own custom analysis of the data Y ou can also save the data to a file using the File gt Save Data As command Instead of the time stamps the data is stored in the format as currently viewed For instance if you are viewing a Frequency Deviation display at the time the data is stored the data is saved as Frequency Deviation vs Time values If you are viewing Phase Power Spectral Density display the data is saved as Frequency vs Amplitude values This completes the D
49. is Guide This book is the getting started guide for the HP E1725C and HP E1740A Time Interval Analyzers It consists of a table of contents this preface three chapters and an index This preface contains the following information e Guide Organization pg vii e Description of the High Performance Time Interval pg viii Analyzer e Documentation List pg ix e Where to Find Information pg x Guide Organization Table of Contents In This Guide this preface introduces you to the getting started guide and provides general information on the HP E1725C HP E1740A Time Interval Analyzer TIA Chapter 1 How to Begin provides complete system requirements and information and step by step instructions on how to assemble and start operating your TIA Chapter 2 Practice Using the TIA provides a short tutorial that teaches you how to set up the TIA to acquire and analyze measurement data without the need for an actual signal to measure Chapter 3 Demo Waveforms provides detailed demonstrations about measuring and analyzing actual signals Data files are included with your software to be used as examples to illustrate key points Index Getting Started Guide vii In This Guide Description of the High Performance Time Interval Analyzer The HP E1725C and HP E1740A Time Interval Analyzers provide new insight into critical timing issues for applications in computer communications and defense industries The
50. ltage reduction make sure the common terminal is connected tothe earthed pole terminal neutral of the power source Instructions for adjustments while covers are removed and for servicing are for use by service trained personnel only To avoid dangerous electric shock do not perform such adjustments or servicing unless qualified to do so For continued protection against fire replacethe line fuse s only with 250V fuse s of the same current rating and type for example normal blow time delay Do not use repaired fuses or short circuited fuseholders Acoustic Noise E missions LpA lt 47 dB at operator position at normal operation tested per EN 27779 All data arethe results from type test Ger uschemission LpA lt 47 dB am Arbeits platz normaler Betrieb gepr ft nach EN 27779 Die Angagen beruhen auf Ergebnissen von Typenpr fungen 7 CD NL A 03 11 97 R1J CW2B C HEWLETT PACKARD Manual Part Number E172 Printed in U S A APRIL 1998
51. lysis Software 1 7 HP E1725C TIA Requirements 1 7 Install the HP TIA Software 1 8 To Modify the Directory 1 9 Power Up and Health Check 1 11 Start 1 11 Start the HP TIA Software 1 11 Verify Communication withthe TIA 1 11 Set the Interface Type 1 11 Verify Communication 1 12 Whereto Now 1 13 2 Practice Using the TIA In this Chapter 2 2 Conventions Used in the Tutorial 2 4 Selecting Commands with the Mouse 2 4 Getting Started Guide iii Contents Hints Provided in Italics 2 4 TIA Tutorial 2 5 Presetting the Instrument to a Known State 2 5 Recalling a Saved Data File and Setup 2 6 Configuringthe TIA for a Measurement Setup Menu 2 7 Initiating a Measurement and Viewing Results Measure Menu 2 16 Using Cursors Markers and Zooming 2 19 Printing Results 2 25 3 Demo Waveforms InthisChapter 3 2 Demo 1 Voltage Controlled Oscillator VCO Frequency Step Response and Settling 3 3 Start 3 3 Overview 3 3 Frequency Deviation Results 3 6 Cursors and Markers 3 7 Zooming 3 7 Autoscale and Scaling 3 9 Demo 2 Phase Modulation Analysis BPSK 3 12 Start 3 12 Overview 3 13 Phase Deviation Results 3 15 DeTilt 3 16 FFT Analysis 3 17 Demo 3 Sharing TIA Data With Other Windows Applications 3 20 Sharing Graphics 3 20 Open the Windows WordPad Program 3 21 Now Add the Log Information 3 23 Sharing Data 3 25 Getting Started Guide Contents Index Getting Started Guide Contents vi Getting Started Guide In Th
52. me along with the pacing value and the total number of samples by clicking the Fo button on the tool bar 3 6 Getting Started Guide Chapter 3 Demo Waveforms Demo 1 Voltage Controlled Oscillator VCO Frequency Step Response and Settling The step response frequency overshoot and settling characteristics can be seen clearly on this display Cursors and Markers The software lets you easily find the x y coordinates of any point on the display it doesn t have to be a measurement point Position the crosshair using the mouse at a point of interest for example the peak of the VCO step waveform hold the SHIFT key and click the left mouse button The bottom entry in the log area bottom of the display will show MRK 1 gt the x value time in this case the y value frequency deviation from Fo and the absolute frequency value Now move the cursor to a point at the bottom of the ringing of the waveform hold the SHIFT key and click the right mouse button The data log now shows MRK 2 gt and MRK lto2 gt with the difference in both x Dtime and y Dfreq from the previous cursor position D delta The peak to peak ringing is about 130 kHz You can continue positioning the cursor at various points and while holding the SHIFT key clicking the right mouse button each new log entry will be the x y difference from the previous cursor position To dear a marker hold down the CONTROL key while clicking on the appropriat
53. measurement 2 16 starting HP TIA software 1 11 switch on 1 11 T tilt 3 16 time interval analyzer viii turn on 1 11 tutorial 2 5 WwW write program 3 21 Z zooming 2 19 3 7 Index 2 Getting Started Guide Technical Support Us HEWLETT PACKARD If you need technical assistance with a Hewlett Packard test and measurement product or application please contact the Hewlett Packard office or distributor in your country Asia Pacific Hong Kong 852 2599 7889 India 91 11 682 6000 J apan Hewlett Packard J apan Ltd Measurement Assistance Center 9 1 Takakura Cho Hachioji Shi Tokyo 192 J apan Tel 81 426 56 7832 Fax 81 426 56 7840 Korea 82 2 769 0800 Malaysia 60 3 291 0213 Philippines 63 2 894 1451 PRC 86 10 6505 0149 Singapore 1800 292 8100 Taiwan 886 3 492 9666 Thailand 66 2 661 3900 For Countries in Asia Pacific not listed contact Hewlett Packard Asia Padfic Ltd 17 21 F Shell Tower Times Square 1 Matheson Street Causeway Bay Hong Kong Tele 852 2599 7777 Fax 852 2506 9285 Australia New Zealand Hewlett Packard Australia Ltd 31 41 J oseph Street Blackburn Victoria 3130 Australia 1 800 629 485 Canada Hewlett Packard Canada Ltd 5150 Spectrum Way Mississauga Ontario L4W 5G1 905 206 4725 Latin America Hewlett P ackard Latin American Region Headquarters 5200 Blue Lagoon Drive 9th Floor Miami Florida 3312
54. ndow will appear Click on the Interface Setup button in the lower right hand corner of the window Select the appropriate interface and addressing Refer to the on line Help under the topic of I nterface and the corresponding documentation that came with the interface Refer to the HP E1740A User s Guide for details on address switch settings Click on OK once the setting is chosen Chapter 1 How to Begin Power Up and Health Check Verify Communication A convenient way to test the interface with the TIA is to check for an error condition in the HP E1740A This is a fairly comprehensive test as it requires that the interface is configured correctly and that the hardware is operational Select Setup gt nstrument Setup Beneath Calibration amp Errors bottom center of the HP E1740A Setup window click on the Service button Click on the Get Error button in the bottom right corner of the Calibration and Service window If the interface is configured correctly and there are no hardware error conditions a small dialog box will appear with the message System error code 0 Noerror Click on the OK button to exit this window Close the Calibration and Service window and Cancel the HP E1740A Setup window to return to the application If you do not see the above error free condition check that the correct interface has been configured in the HP E1740A Setup window and that the HP E1740A has
55. ns power source to the product input wiring terminals or supplied power cable Warning Symbols That May Be Used In This Book Instruction manual symbol the product will be marked with this symbol when it is necessary for the user to refer to the instruction manual Indicates hazardous voltages Safety Considerations contd elt Indicates earth ground terminal 177 or l Indicates terminal is connected to chassis when such connection is not apparent Sy Indicates Alternating current Indicates Direct current WARNING BODILY INJURY OR DEATH MAY RESULT FROM FAILURE TO HEED A WARNING DO NOT PROCEED BEYOND A WARNING SIGN UNTIL THE INDICATED CONDITIONS ARE FULLY UNDERSTOOD AND MET CAUTION Damage to equipment or incorrect measurement data may result from failureto heed a caution Do not proceed beyond a CAUTION sign until the indicated conditions are full y understood and met For additional safety and acoustic noise information see back matter 7 CD NL A 03 11 97 R1J CW2F Contents In This Guide Guide Organization vii Description of the High Performance Time Interval Analyzer viii Documentation List ix Where to Find Information x 1 How to Begin In this Chapter 1 2 HP E1725C and HP E1740A Time Interval Analyzers with the HP E1742A 43A 44A 46A 48A Analysis Software 1 4 Assembling the TIA 1 5 HP E1725C TIA Assembly 1 5 Installing the HP E1742A 43A 44A 46A 48A Ana
56. old in volts thethreshold slope the input coupling and the input impedance In the HP E1743A 44A 46A 48A input channel routing is also selected in this area All of these se ections are modified in the HP E1740A immediate y This menu configures the measurenent hardware parameters To select the channel used to acquire measurements se ect Setup gt Measure View Setup Trigger You can sdect whether the TIA will wait for a threshold crossing on the trigger input before acquiring timestamp information The threshold choices are GND 0 volts ECL 1 3 volts and TTL 1 4 volts Selecting 10 1 divides these threshold values by 10 if you are using a 10 1 oscilloscope probe on the trigger input You may also select a time delay from thetrigger edge prior to the acquisition of data These ectable range of delay is 75 ns to 26 214 ms Calibration amp Errors Clicking on the Service button lets you perform a variety of calibration tests on the HP E1740A Further information on the calibration procedures can be found in the HP E1740A User s Guide The Calibration and Service window also provides a Get Error button If for any reason the HP E1740A front panel Error LED red is illuminated you can query theHP E1740A for thetypeof error This also clears theerror condition on theinstrument The error type will be displayed Click the Close button to return to the HP E1740A Setup menu 2 8 Getting Started Guid
57. put frequency is within 10 kHz of 10 MHz 225 usec after the trigger signal occurs To change the reference frequency value Fo to 10 MHz select Setup gt Measure View Setup In the Clock Carrier Frequency area of the measurement setup menu select User Specified Enter 10 M 10 MHz and press ENTER Click the OK button to close the window Select View gt F requency Deviation The display will be updated with calculations based on Fo 10 MHz To fix the display scale in that region select Setup gt Display Setup Click on the box Autoscale Always to disable this feature Enter 10 k into the Max Freq Deviation field and press ENTER Enter 10 k into the Min Freq Deviation field and press ENTER Getting Started Guide 3 9 Chapter 3 Demo Waveforms Demo 1 Voltage Controlled Oscillator VCO Frequency Step Response and Settling 9 Enter 2254 and 325 1 intothe Min Time and Max Time fields respectively Press ENTER after each entry The Display Setup dialog box will appear as follows Display Setup x Title CO Frequency Step OK Max Freq Deviation Cancel 10 0000 kHz AW AA Min Freq Deviation 10 0000 kHz Min Time Max Time I Show Points Show Masks m Autoscale ETSI PDH A I Autoscale Always Help ETSI SEC ETSI SSU l ETSI PRC Get Zoomed Yalues Change Masks 10 Click OK to close this window The display scale is now fixed at these values T
58. rement display or select the Autoscale function Display masks can also be turned on in the Display Setup dialog box Search the HP E1742A 46A 48A on line Help for Show Masks to obtain more information To annotate or title the display simply click in the box beneath Title and enter the descriptive text For saved data files the date the fileis stored is automatically appended to the title information Getting Started Guide 2 13 Chapter 2 Practice Using the TIA TIA Tutorial To modify the X or Y scaling highlight the number of interest and enter the new value If you don t know these values click Get Autoscale Values and the software will determine them for you If you click on the Show Points box each measurement point will be displayed with a on the waveform presentation and these points are connected with a line Autoscale Click on the Autoscale Always box to autoscale both the X and Y axis to the acquired data with each new data acquisition TheGet Autoscale Values button provides a convenient way to recall theX and Y axis scale values This is useful if you modify these values and then want to return to the autoscale configuration 6 Click the Cancel button to exit the window without making changes 2 14 Getting Started Guide Chapter 2 Practice Using the TIA TIA Tutorial 7 Select the format for measurement units by selecting Setup gt P hase Units HP E1742A Frequency Deviation versus time file FM
59. s Demo 1 Voltage Controlled Oscillator VCO Frequency Step Response and Settling Measure View Setup CC Number of Samples 1024 a Measurement Time 1 0240 ms To change parameter value double click on parameter or select Modify Modify gt gt Set initial phase to zero m Filter I Disable Pre measure Pacing No Filter hd 7 Auto y Clock Carrier Frequency Input C User Specified Calculated Carrier Estimator Type 1 Frequency Least Square Straight Line ly C2 Calculated using Least Squares Fit Most recent calculation 9 934548116600 MHz DSi DS3 CET fC Uther This menu lets you set various parameters that apply to the computations performed on the raw timing information from the measurement hardware You can see the various choices as the parameters apply for Phase amp Frequency Deviation measurement processing in the HP E1742A 46A 48A or Period Frequency TI Phasein the HP E1743A 44A You can see that 1024 measurement samples will be acquired over a period of 1 024 ms Note that this implies a sample interval of 1 usec 1 024 msec 1024 samples About 1 msec of the VCO step will be acquired The remainder of this menu is left with default values for this measurement No filtering will be applied to the data a least square fit will be used to determine the reference frequency for frequency deviation measurements deviation from the reference frequency p
60. s or points to be displayed and the time duration of the measurement In general the gate time for each frequency measurement is the measurement time divided by the number of samples Note however that the measurement gate is synchronized totheinput signal and the actual measurement time may differ from the value entered here You can modify each of these parameters by either double clicking on the desired item or clicking on the desired tem and clicking the Modify gt gt button Other measurement types are available with their own sets of parameters to configure Filter You may select a filter type low pass high pass band pass or smoothing function to be applied to the measurement results If ather thelow pass band pass or high pass filters are selected you can also enter the cut off frequencies Clock Carrier Frequency Deviation measurenents phase deviation frequency deviation time deviation etc requirea reference carrier or clock to compute the relative measurement This portion of this window lets you enter the frequency of the reference clock directly or havethe HP E1742A 43A 44A 46A 48A estimate the reference frequency for you based upon the acquired data Various carrier estimation algorithms arealso available depending on the type of signal and modulation you want to measure Chapter 2 Practice Using the TIA TIA Tutorial Pacing In general the TIA does not have to timestamp every zero crossin
61. shed reading from C HPE1742A DEMO BPSK PAN Fo 100 00000000000 kHz Pace 1 N 1024 Warming Displayed graph may not reflect current setup parameters Use View Menu to redisplay data Time 406 3 usec Phase 1 256 rad 71 93 degree 200 0 mUI 2 000 usec Time 9 469 msec Phase 1 871 rad 107 2 degree 297 9 mUI 2 979 usec Fo 100 01030276489 kHz Pace 1 N 1024 Fo 100 01030276489 kHz Pace 1 N 1024 Freq 1 016 kHz Mag f N 37 92dB 1ms 78 73 deg peak 111 3 deg Freq 2 952 kHz Mag fbN 28 23dB rms 25 20 deg peal 36 48 deg Freq 4 967 kHz Mag ff N 23 83dB rms 15 53 deg peak 21 97 deg Freq 6 933 kHz Mag ff N 20 59dB rms 10 71 deg peal 15 14 deg Computing Plotting Fo 100 01030276489 kHz Pace 1 N 1024 Finished reading parameters from C HPE1742A DEMO FM_ STP Warming Setup may have changed since graph was displayed Reading from C HPE1742A DEMO FM PAN Finished reading from C HPE1742A DEMO FM PAN Fo 99 999421341000 MHz Pace 101 N 1024 Ymin 265 5733125000 kHz Ymax 256 4974062500 kHz Ymax Ymin 522 0707187500 kHz Warming Displayed graph may not reflect current setup parameters Use View Menu to redisplay data x For Help press F1 Getting Started Guide 3 23 NOTE Chapter 3 Demo Waveforms Demo 3 Sharing TIA Data With Other Windows Applications Y ou now have both the graphic results and the entire log window neatl y pasted in your report You may need to modify the font for the logged data
62. the standard HP E1725C 6 slot mainframe this will be the slot at the bottom or left side depending on the orientation of the mainframe Line up the module with the slot guides and then press the module firmly into the backplane connectors Tighten the screws attached to the command module to fully seat the module into the backplane connectors of the mainframe Install the HP E1740A TIA module in slots 1 and 2 of the VXI mainframe or any other open slots Always check that the mainframe power is OFF before installing any boards or instruments into the backplane connectors This is also a good time to check that the TIA module address setting is unique and different from other modules already installed in the mainframe The HP E1740A address ULA is set to 48 at the factory corresponding to a secondary address of 06 when using the HP 82335A B HP IB Interface Card If you are installing multiple TI As make sure each one has its own unique address Seethe HP E1740A TIA User s Guide for more information about address switch settings Line up the module with the slot guides and then press the module firmly into the backplane connectors Use the screws attached to the module to securely tighten down the module Getting Started Guide 1 5 Chapter 1 How to Begin Assembling the TIA 5 Install blank panels over any unused slots of the VXI mainframe to help maintain proper cooling of VXI modules 6 Apply power tothe laptop computer and th
63. ulated FM carrier is recalled in these examples to illustrate specific features and capabilities This chapter covers the general steps to configure the TIA to capture this data as well as steps to follow to analyze the collected data The following items are demonstrated in this chapter e Presetting the instrument to a known default state e Recalling a data file and setup File Menu e How toconfiguretheTIA for a measurement Setup Menu Howto initiate a measurement and view the results Measure and View Menus e Using the cursors and zooming e Printing results This Getting Started Guide covers features and functions available in the following software applications HP E1742A SONET SDH Tributary J itter Analyzer e HP E1743A Clock J itter Analyzer HP E1744A Token Ring itter Analyzer HP E1746A Network Synchronization Measurement Software HP E1748A Multiple Channel Network Synchronization Measurement Software 2 2 Getting Started Guide Chapter 2 Practice Using the TIA In this Chapter Each of the above products has functionality specific to a given application which may not be explicitly covered in this tutorial Refer to the on line help in each software package for application specific information All features and functions covered in this guide are included in each of these products Getting Started Guide 2 3 Chapter 2 Practice Using the TIA Conventions Used in the Tutorial Conventions Used in th

HP E1725C and HP E1740A Time Interval Analyzers with the HP

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