HP (Hewlett-Packard) 6000 manuel d'utilisation

1 Desktop Antenna Measurement System Model 6000[...]

2 This Publication, including all photographs, illustrations and software is protected under international copyright laws, with all rights reserved . Neither this manual, nor any of the material contained herein, may be reproduced without the express written consent of Diamond Engineering. The information in this document is subject to change witho[...]

3 T able Of Contents NOTICE ......................................................................................................................... 2 Introduction ............................................................................................................................................................ 6 System Overview ..........[...]

4[...]

5[...]

6 Introduction Congratulations on your purchase of a Diamond Engineering Desktop Antenna Measurement System! Also Known As DAMS Diamond Engineering’s Desktop Antenna Measurement System has been designed to aid in the testing and development of small to medium sized Antennas. Using state of the art software this system enables you to make many dif[...]

7 Key Features · Light Weight- Platform is made of high quality , light weight Acrylic material for easy portability · USB Port Connectivity- Unit easily connects to the computer using a standard USB cable. · User Friendly Software- Our software has been designed to be understood easily to ensure the shortest time to successful Antenna Measureme[...]

8 • AMD/Pentium Class Computer with 1000 Mhz. Processor Or Higher (2 Ghz or Higher Recommended) • 512 MB Ram • 500 Megabytes Hard Disk Space • 1 Available USB Port • 1024x768 Display Resolution (Minimum) • Windows 95/98/ME/NT/2000/XP Operating Systems are supported *Windows XP home is not compatible with the Parallel Port Model • Keyb[...]

9 USB Port Platform Controller Unit System Overview Platform Controller top view Platform Controller rear view The USB Platform Control unit is a highly accurate Microprocessor based stepper controller . Movement signals are sent from the measurment PC to the controller unit where precision stepping sequences are generated. We also offer a developm[...]

10 Control Unit Side View Control Unit Front View Parallel Port Platform Controller Unit The Platform Control unit controls the positioning of the Horizontal and V ertical movements based on signals recieved from the Computer ’ s Parallel Port. We also of fer a Platfrom development kit which will allow you to adapt the DAMS Platform to your own s[...]

11[...]

12 Upon receiving your shipment of the Rotator Unit Please inspect the package to ensure all pieces are there and not damaged Main components 1. Positioner Platform 2. T ripod 3. Users Manual with Software CD 4. 2- 10’ Calibrated SMA measurement Cables 5. 20’ (6.2m) Parallel Cable 6. 12v AC to DC wall adapter 7. Elevation Movement Assembly 8. H[...]

13 T ripod and Elevation Unit Assembly The rotator unit has been shipped to you either complete in a matter that requires Minimal effort to assemble. BEFORE YOU BEGIN: Unpack ALL items and ensure there is no damage or missing parts. -V ertical Assembly 1. Unfold the Tripod and extend the top of the tripod 1/2 way and secure the height adjustment- ([...]

14 Connecting the platform and vertical actuator . Attach the Thrust Plate using the 4 includeded 10-32x1/4” Screws. be sure not to overtighten screws and if using your own screws be sure they do not hit the metal bearing below . 1. Ensure that the Azimuth of the tripod is unlocked. 2. Place the T ripod head in a horizontal position and tighten t[...]

15 Attaching the cables Y ou should have received 5 Seperate Cables and a power supply with your DAMS System. 1. 2- 10 Ft. Custom Calibrated SMA cable.(1-20’ Cable Optional) 2. 1- USB cable. 3. 2- 6m Platform control cables Step 1. connect the USB cable to the Platform Controller . DO NOT CONNECT T O PC YET . Step 2. connect the Power Supply wire[...]

16 1. Place Software CD in CD-ROM drive, The CD Menu should Start Automatically , If the menu does not start automatically run setup.exe from your CD-ROM in “My Computer” or from Windows Explorer 2. Click next/ok through all Following Screens . 3. Before the software is finished installing , the Agilent Runtime setup will start, Continue throug[...]

17 Installing the Userport.Sys Driver (Required for Windows NT , 2000, And XP Professional users) NOTE: If you recieved a Pre-Configured Laptop From us, the Steps below have already been performed -you will ony need to follow the steps below if you are Re-Installing the Operating System. Overview This guide will Assist you with the Required Changes[...]

18 5. Press the “Advanced” button to bring up the Advanced Properties Dialog Box. Set the Instrument T imeout to 15 seconds. Press OK , then OK, then “SA VE”. Y ou have now successfully completed the Analyzer Configuration Process. 4. Select your analyzer from the list and Click on the “Properties button” Y ou should see the window to t[...]

19 T ripod Compatibility Information The DAMS system has been designed so that it will operate with most any tripod, when purchasing a new tripod you must ensure that all of the parts from the current system will fit onto the new trupod without angle or clearance problems. Once you are ready to configure the software please read the “DAMS Applica[...]

20 Calibrating/Setting the V ertical Movement to 0 Degrees -- See Also V ertical Calibration Settings In order for the software to move the platform correctly on the vertical axis you must have the platform at 0 degrees when starting the DAMS Softtware - or the platform must match the vertical position shown in the software before moving vertically[...]

21 SCREEN SLEEPERS and Power Saving options. Be sure to disable screen sleepers, Power Saving Features and other Applications, which may cause GPIB or dll to crash. Other Running Applications- The DAMs Software requires a large amount of CPU and System Resources. We advise you not to have any other applications running while the DAMs Software is op[...]

22[...]

23 Chapter 2[...]

24 Chapter 2 - Software Overview Measurement Settings Measurement Settings Instrument Selection and Settings Y ou can now choose from multiple combinations of instruments such as a Signal Generator and Power Meter or Signal Generator and Spectrum Analyzer . Available Modes of Operation 1. VNA ONL Y 2. Signal Generator and Power Meter 3. Signal Gene[...]

25 Chapter 2 - Software Overview Measurement Settings Measurement Settings Receive Instrument -Spctrum Analyzer Settings Bandwidth- Sets the bandwidth window on the spectrum analyzer , the smaller the window the faster the sweep. Format is in GHz. Resolution- Sets the Frequency Resolution of the spectrum analyzer sweep. Inplut format is in MHz. T r[...]

26 Degrees Per Measurement - Displays the CURRENT degrees-per measurement based off of total degrees sliderand the degrees per measurement settings (note: This window may indicate a different value than the pulldown, remember this is the current setting) Number of measurements readout - Dislplays the CURRENT total number of measurements that will b[...]

27 Chapter 2 - Software Overview Calibration Settings Calibration Settings Scalar Calibration This feature anables you to make a scalar calibration using your Signal Generator and Recieve source. An in depth explinaton and example is located in chapter 3 - Calibrating your system. Averaging- in cases of large ammounts of background noise you may wa[...]

28 Measurement Controls Post Measurement Options Measure Horiz. Sweep- When this button is pressed, the software will begin making measurements by moving the platform horizontally , then retrieving the data from the network analyzer . The button will remain “greyed out” while the antenna measurement is in progress Measure V ert. Sweep- When thi[...]

29 Measurement Status and Displays Measurement Status window Graphical Status Displays The Graphical status windows allow you to view the Real-T ime data as it is captured from the Network Analyzer . All Status Graphs display the center measurement frequency . Center Frequency Amplitude Plot- This plot displays the Amplitude in dB of the measured A[...]

30 Data Processing Introduction The Data Processing Feature is your gateway to unlocking the data contained within your antenna measure- ments. After making your initial measurement of the Antenna you can press the “Data Procesing” button located in the “Post Measurement Options” window of the main software page and you will be taken to the[...]

31 Data Registers When working with data in the Data Processing feature all of the data is stored in registers, these regesters alow you to have “Holding Space” for partictular data sets. this is very useful for working with multiple measurements from other antennas. There are 5 registers total, 4 storage registers and 1 Active register. Active[...]

32 Visualization Options The data visualuzation options enables you to view the Antenna Data in a wide variety of formats. Azmuth vs. Frequency vs. Amplitide 3D Plot Azimuth vs. Elevation vs. Amplitude 3D Plot About: This plot is the most versatile of the 3D plots and will gve you a good idea of the frequency response Vs. Rotation of the Antenna yo[...]

33 Dynamic Amplitude Plot Dynamic Polar Plot Group Delay Function About: This plot of fers a Linear or Log Mag 2D look into the Gain Pattern of the measured Antenna for a specified frequency point. This plot is also useful in examining Az/El Measurements Features Linear or Log Format Automatically updates Keep Max Function Data Export Auto Scale Fu[...]

34 Measurement Calculator Use this option to perform arithmetic operations on the measurement registers. For example if you make mea- surements on one antenna and wish to compare the results to another antenna at each point of rotation and each fre- quency . Or if you have a calibrated reference antenna an wish to normalize additional measurements [...]

35[...]

36 Important---- If you are using a VNA this information does not apply to you. Performing a Scalar Calibration 1. Be sure Platform Power supply is securely attached and plugged in 3. Turn Platform Power ON. 4. Selet the Source Instrument you plan to use, After selection click the “Settings” button located below the icon. 5. Click the “Cal Sy[...]

37 Making a basic Horizontal/Azimuth Measurement 1. Be sure Platform Power supply is securely attached and plugged in 2. Attach antenna to rotator platform with SMA connector 3. T urn Platform Power ON. 4. On your analyzer select S21, POLAR Plot and the proper Calibration set Example: 4 to 6 Ghz @ 201 Points. *if your analyzer has not been calibrat[...]

38 Chapter 3 - Making Measurements Az/El Scan Measurements Performing an AZ/EL Scan Measurement 1. Be sure Rotator Power is Securely attached and plugged in 2. Attach Antenna to rotator platform using a SMA connector 3. T urn Platform Power ON. 4. On your analyzer select S21, POLAR Plot and the proper instrument state -Example: 4 to 6 Ghz @ 201 Poi[...]

39[...]

40 Chapter 4 - Using the Data Processing Feature Introduction Use the Data Proceessing section to work with the data you collected after you make any Antenna Measurements. This feature allows complete control over the data including the ability to completely manipulate the data using a large set of math operators as well as compare the current ante[...]

41 Saving and Loading Measurement Data Sets. All Measurement Data is stored in Data Sets, each Data Set consists of a group of 4 Data Registers. These 4 Registers are used only for storing and recalling data within the Data Processing feature, the Data Sets can be recalled or saved to disc at any point in time. There is one register called the “A[...]

42 Viewing and working with measurements in 3D Press any of the 3D Buttons to View the “Active Register” Data in 3D Using the MatLab V iewing Interface. Viewing 3D Azimuth Measurements Viewing 3D Az/El Measurements 1. Be Sure there is data in the “Active Register , if there is no data you must recall data from one of the storage registers or [...]

43 Viewing and working with the Dynamic Amplitude Plot 1 . From the Main Data Processing Page click on Amplitude Frequency Plot and you will be taken to the screen shown below 2 . Select Log or Linear Data V iew . 3 . Click “Auto Scale” to view all of the data 4 . Slide the Frequency Slider to the desired frequency . 5 . T o Eliminate Flickerin[...]

44 V iewing and working with the Polar Plot display 1. From the Main Data Processing Page click on “Polar Plot” and you will be taken to the screen shown below 2. Select Log or Linear Data View . 3. Click “Auto Scale” to view all of the data 4. Slide the Frequency Slider to the desired frequency . (The plot will automatically update). 5. T [...]

45 Using the Measurement Calculator / Register Math Function. Understanding the Register Math Functions Measurement data is initially stored in the Active registerwhen you leave the main software page and enter the advanced processing section. When you proceed to the Data Processing Feature you have a choice of 4 additional registers in which to st[...]

46 Using the Measurement Calculator / Register Math Function. Contd. Clip Function Use this to create a threshold level. A ZERO value clip causes software to ignore clipping and resume normal calculator mode. For example lets say the you wish to not include data points smaller than some low level value such as <-50dBM. Enter the value -50 into t[...]

47 Exporting Data Measurement Export Process V ARIABLES : - All variables are single column arrays Scala r = The first real array toggled by switch 2 to be written to disc A real array used to establish the number of rows for all switches for export NumM = A real array which contains the number of measurements. Begins at 1 and ends at the number of[...]

48 Adata is your measurement data array in complex format from the baisc page 1 software The first column is a scalar array and can set the count for example “frequencies” or angle. Y ou can do this in one of two ways. Enter a known one dimensional array variable such as “NumM”. The program variable “NumM” is a 1-D array otherwise only [...]

49 Using the Dipole and Isotropic Link Calculator- Use the ideal dipole to simulate an entire link measurement set. Then you may perform calculator operations that you can use to normalize and compare your measurements to. The calculations are for any dipole length over any frequency range for any rotation sequence. Be advised the calculation can b[...]

50 Once you have saved your dipole array into REG1 (or 2,3,4) calculate the Aperture array and save the results into REG2. Now use the calculator to multiply REG1 x REG2. The result is the entire link gain normalized to the Rx antenna gain. Save the results into a REG3. Now choose a receive antenna. You could go back into the dipole section and cal[...]

51 Data Processing Feature Group Delay Function Group delay is the derivative (slope) of the transmission phase angle. For passive circuit elements the group delay is linear and may be calculated from two measurements. It is important that the ratio of the frequency delta- wavelength is less that the physical distance between the measurement. If th[...]

52[...]

53[...]

54 T roubleshooting Problem - Red Light does not come on Possible Causes - Power Supply is not connected correctly , Power Switch is not in the ON position Solution - Check all of the Items listed above and if everything is OK and light still does not come on please contact us immediately for service. Problem - Red Light comes on but rotator does n[...]

55 W arranty Information The Antenna Measurement System is guaranteed for 2 years on parts and labor from the time it was received by you. If there is a problem with the product please send us a picture or write a very detailed description of the problem, If we determine that you have a faulty unit or bad part we will ship you a replacement part or[...]