MA24106A USB Power SensorUser Guide
True-RMS, 50 MHz to 6 GHz
Anritsu Company490 Jarvis DriveMorgan Hill, CA 95037-2809USA
P/N: 10585-00014
Revision: C
Printed: December 2007
Copyright 2007 Anritsu Company
Страница 1: ...24106A USB Power Sensor User Guide True RMS 50 MHz to 6 GHz Anritsu Company 490 Jarvis Drive Morgan Hill CA 95037 2809 USA P N 10585 00014 Revision C Printed December 2007 Copyright 2007 Anritsu Compa...
Страница 2: ...PERMITTED BY APPLICABLE LAW IN NO EVENT SHALL ANRITSU COMPANY OR ITS SUPPLIERS BE LIABLE FOR ANY SPECIAL INCIDENTAL INDIRECT OR CONSEQUENTIAL DAMAGES WHATSOEVER INCLUDING WITHOUT LIMITATION DAMAGES F...
Страница 3: ...on another computer or loan lease or transfer them to another user except as part of the permanent transfer of all SOFTWARE and written materials 5 WARRANTY ACUS warrants for a period of one 1 year f...
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Страница 5: ...ation 2 1 Chapter 3 Using the Power Sensor 3 1 Introduction 3 1 3 2 Graphical User Interface 3 1 3 3 Buttons 3 2 3 4 Data Entry Fields 3 2 3 5 Display Window 3 3 3 6 Status Bar 3 3 3 7 Menu Bar 3 4 Fi...
Страница 6: ...mand Details 4 2 Chapter 5 Sensor Operational Tests 5 1 Introduction 5 1 5 2 Required Equipment 5 1 5 3 VSWR Pretest 5 2 5 4 Calibration Factor Test 5 3 5 5 Linearity Test 5 5 Appendix A Connector Car...
Страница 7: ...s true RMS power regardless of the type of input signal 1 4 Initial Inspection Inspect the shipping container for damage If the shipping container is damaged retain until the contents of the shipment...
Страница 8: ...ee of charge In the event neither of these two options is possible instructions for packaging and shipment are given below Use a Suitable Container Obtain a corrugated cardboard carton This carton sho...
Страница 9: ...r Microsoft Windows Vista 32 bit only Windows XP or Windows 2000 512 MB of RAM 100 MB of available hard disk space 1024 768 display resolution PC or laptop with a USB port and CD ROM drive 2 3 Driver...
Страница 10: ...begin the installation process 4 Browse for the installation folder select the desired permissions and then click Next The default installation directory is C Program Files Anritsu AnritsuPowerMeter...
Страница 11: ...river Installation MA24106A UG 2 3 5 Select I Agree to the license agreement and then click Next 6 Select Next to continue with the software installation Figure 2 4 License Agreement Figure 2 5 Confir...
Страница 12: ...llation 2 4 MA24106A UG The software will then install to the selected location 7 When the installation completes click Close Figure 2 6 Installing Anritsu Power Meter Application Figure 2 7 Applicati...
Страница 13: ...urned ON 9 When the Found New Hardware Wizard installation screen appears select No not this time to search for software and then click Next If the Wizard does not start refer to Appendix C Serial Por...
Страница 14: ...on 2 6 MA24106A UG 11 Select Don t search I will choose the driver to install and then click Next 12 Select the hardware type Computer and then click Next Figure 2 10 Found New Hardware Wizard Figure...
Страница 15: ...on on your hard drive where you installed the program If the default settings were chosen during the application installation click Browse as shown below and then select C Program Files Anritsu Anrits...
Страница 16: ...16 Select Anritsu MA24106A from the list and then click Next as shown below 17 The Hardware Installation Warning dialog will appear as shown in Figure 2 15 Click Continue Anyway Figure 2 14 Found New...
Страница 17: ...e the wizard 19 The MA24106A is now ready for use Launch the Anritsu Power Meter application from the new desktop icon or from the Start Programs menu Refer to Chapter 3 for information about using th...
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Страница 19: ...3 2 Graphical User Interface The graphical user interface Figure 3 1 layout is divided into five sections Buttons Data Entry Fields Display Window Status Bar Menu Bar The Anritsu Power Meter applicati...
Страница 20: ...ates an offset correction in dB Input positive value for attenuation Apply Applies the current entry in the data entry field Exit Terminates the program 3 4 Data Entry Fields The data entry fields bec...
Страница 21: ...Power Relative Power Units of Power Fixed Offset Offset Table 3 6 Status Bar The status bar displays the model number serial number cal factor frequency averaging number and operational status of the...
Страница 22: ...Aperture Time When High Aperture Time mode is selected the sensor provides more accurate measurements of TDMA signals In this mode the ADC acquisition time is increased and the display update rate is...
Страница 23: ...at can be directly opened in Microsoft Excel The filenames have the following format xxxxxxx_yyyy_mm_dd_hhmmss csv where xxxxxxx Serial number of the power sensor yyyy Four digit year mm One or two di...
Страница 24: ...Power Graph The Power Graph feature provides the ability to plot measured power with respect to time This feature can be used for drift testing tuning circuits and for monitoring circuit behaviors to...
Страница 25: ...gure 3 12 The default settings of the graph are as follows Time X axis 30 minutes Power Y axis 20 dBm to 60 dBm Clicking Setup opens the Graph Setup dialog below where the scales of time and power axe...
Страница 26: ...ency is lower than the lowest frequency in the offset table then the offset for the lowest frequency in the offset table is used The procedure for setting saving recalling and applying the offset tabl...
Страница 27: ...n the directory of your choice see Figure 3 15 Any number of device responses can be stored The files are stored as comma separated value files csv 6 To recall a response click Open in the Offset Entr...
Страница 28: ...e The Anritsu Power Meter application retains the set up information of a session even if the USB power sensor becomes disconnected from the PC When the USB power sensor is reconnected the changed pro...
Страница 29: ...pe N male RF connector which has a 50 characteristic impedance When connecting to the Type N connector of the MA24106A to a Type N female connector observe the following proper practice for tightening...
Страница 30: ...Calibrating the Sensor The signal channel analog signal acquisition hardware is integrated along with the RF front end of the power sensor All of the necessary frequency and temperature corrections t...
Страница 31: ...ise Number of Averages Needed for 0 01 dB Noise 20 100 1 1 1 1 1 15 31 6 1 1 1 1 1 10 10 0 1 1 1 1 1 5 3 16 1 1 1 1 2 0 1 00 1 1 1 4 16 5 0 316 1 1 1 20 78 10 0 100 1 1 1 1 1 15 0 0316 1 1 1 1 1 20 0...
Страница 32: ...pulse repetition periods as long as 50 ms can usually be measured Case 3 Modulated signals with pulse or pattern repetition times greater than 50 ms In this case it can be difficult to get an accurat...
Страница 33: ...es The MA24106A has an error of 0 01 dB for every 100 MHz bandwidth at frequencies below 3 GHz and an error of 0 03 dB for every 100 MHz bandwidth at frequencies above 3 GHz For example a dual tone si...
Страница 34: ...any other event such as a power step or bus request for a measurement Therefore the first measurement requested from the sensor after a power step may not be fully settled To ensure a fully settled me...
Страница 35: ...ent accuracy at the bottom of the power sensor s dynamic range Mismatch Uncertainty Mismatch uncertainty is typically the largest component of measurement uncertainty The error is caused by differing...
Страница 36: ...3 0 Rectangular 1 8 1 8 Noise 0 0 0 8 Normal at 2 2 0 0 0 4 Zero Set 0 0 3 2 Rectangular 0 0 1 8 Zero Drift 0 0 0 9 Normal at 2 2 0 0 0 5 Calibration Factor Uncertainty 1 4 1 4 Normal at 2 2 0 7 0 7...
Страница 37: ...ensor in idle mode 4 2 Remote Operation Commands Summary The following is a list of commands available to control the MA24106A Note In Low Aperture Time mode the sensor takes about 70 milliseconds to...
Страница 38: ...iption Gets identification information from the sensor Syntax IDN LF Return Value ANRITSU Model Serial Module Serial firmware version PWR Description Gets the power reading from the power sensor Synta...
Страница 39: ...re the STATUS command can be used to retrieve more detail about the error See the STATUS command for more detail It takes 19 seconds to zero a sensor please wait at least this long to get a response f...
Страница 40: ...in high aperture time mode In this mode the A to D converter integration time is about 160 milliseconds LAT Description Sets the low aperture time mode Syntax HAT LF Return Value OK or ERR Remarks Thi...
Страница 41: ...ibration verification and to maintain the factory specifications of your power sensor please send sensors to qualified Anritsu Customer Service Centers Table 5 1 Required Equipment Equipment Descripti...
Страница 42: ...ersion equations are as follows 10 RL 20 RL 20log where RL Return Loss in dB Magnitude of the Reflection Coefficient VSWR and magnitude of the reflection coefficient conversion equations are as follow...
Страница 43: ...sensor to the reference power meter using the appropriate cables b Connect the MA24106A USB cable between the personal computer with the Power Meter application installed and the MA24106A power senso...
Страница 44: ...by the MA24106A in the appropriate space in Table 5 3 8 Set the synthesizer frequency to the next frequency in Table 5 3 9 Repeat steps 2 through 8 until all of the frequencies in Table 5 3 have been...
Страница 45: ...under test c Launch the Power Meter application d Turn the power on to all of the instruments and allow them to warm up for the amount of time specified in the instrument s respective manuals e Reset...
Страница 46: ...ut and perform a low level Zero of both the Reference sensor and the MA24106A 5 Turn On the synthesizer s RF output 6 Record data for the first 20 dB range as follows a Record the power reading by the...
Страница 47: ...output and perform a low level Zero of both the Reference sensor and the MA24106A d Turn On the synthesizer s RF output e Set the synthesizer output level to 10 dBm and then adjust it until the senso...
Страница 48: ...11 g Find the smallest least positive or most negative value in the Difference Calculation column and record this value next to the word Min in row 12 h Subtract the Min value from step 9g from the M...
Страница 49: ...0 0 4 5 10 0 5 0 10 0 6 adjust per step 7e 0 0 10 7 5 0 0 10 8 0 0 0 10 9 5 0 0 10 10 10 0 0 10 11 Max 12 Min 13 Delta E11 E12 Table 5 6 Measurement Results 4 GHz Row Synthesizer Power Level Setting d...
Страница 50: ...ence Arm dB A Reference Power Measurement dBm B A6 A5 Correction dB C A B Corrected Reference Power Measurement dB Attenuation in Test Arm dB D MA24106A Measurement dBm E C D Difference Calculation dB...
Страница 51: ...e connector Figure A 1 left The center pin of a precision RF component connector has a precision tolerance The mating connectors of various RF components may not be precision types Consequently the ce...
Страница 52: ...th denatured alcohol The following are some important tips on connector care Use only isopropyl alcohol as a cleaning solvent Do not use excessive amounts of alcohol as prolonged drying of the connect...
Страница 53: ...be added from Visual Basic 6 0 IDE by navigating to Project Components B 2 Using the Demo Application Once connected to the PC using the USB cable the MA24106A shows up as a Serial port device on the...
Страница 54: ...True MSComm1 RThreshold 1 MSComm1 SThreshold 1 Wait for half a second before sending START command Delay 0 5 Arm sensor to start making measurements txtCommand Text START Call btnSend_Click Exit Sub...
Страница 55: ...Text PWR Call btnSend_Click End Sub Event handler for SetFreq button Private Sub btnSetFreq_Click txtCommand Text FREQ txtFreq Text Call btnSend_Click End Sub Event handler for ZeroSensor button Priv...
Страница 56: ...Basic Code B 4 MA24106A UG Delay routine Public Sub Delay ByVal Seconds As Single Dim fStartTimer As Single Dim fFinish As Single fStartTimer Timer Do DoEvents fFinish Timer If Abs fFinish fStartTimer...
Страница 57: ...r that appears in the Ports list If this number is less than 16 then the PC application will work fine However in some cases when the power sensor is connected Windows may map your serial port to a po...
Страница 58: ...port usually provides the best result 3 Open the Device manager to see if the new port assignment is between COM1 and COM16 If it is NOT return to step 1 and connect to a different USB port If the por...
Страница 59: ...Serial Port Compatibility Method 3 Remapping a Serial Port MA24106A UG C 3 2 Select the Hardware tab and click the Device Manager button to open the Device Manager Figure C 2 System Properties...
Страница 60: ...the power sensor Disconnect and reconnect the sensor and notice the new COM port number that appears The new port is the current port assignment for the power sensor 5 Right click on the new port ass...
Страница 61: ...ttings for the port 8 Select a COM Port Number in the range of 1 through 16 If possible select a port which is NOT marked as in use in the COM Port Number list If all of the ports are marked as being...
Страница 62: ...06A UG 9 You will get an alert when you close the window telling you that the COM port number may be in use by another device and asking if you want to continue Click Yes to continue 10 Close all wind...
Страница 63: ...2 Launch the firmware upgrade utility from the Tools menu in the Anritsu Power Meter application and follow the on screen instructions 3 Disconnect and reconnect the USB cable from the power sensor a...
Страница 64: ...D 2 MA24106A UG 4 Once the upgrade driver has been installed click OK on the dialog below 5 Select the power sensor that you intend to upgrade from the drop down list box Figure D 3 Firmware Upgrade D...
Страница 65: ...oad Hex File and select the HEX file from the directory in which it was saved Figure D 5 Open File Dialog Warning Do Not disconnect the MA24106A power sensor from the USB port or interrupt the firmwar...
Страница 66: ...am operation MESSAGE Programming FLASH Completed MESSAGE Erasing and Programming FLASH 8 Disconnect and reconnect the USB cable from the power sensor and then click OK to complete the firmware upgrade...
Страница 67: ...ctor 3 11 care A 1 cleaning A 2 pin depth A 1 torquing A 2 contents shipping 1 1 correction calibration factor 3 12 D data bits 4 1 data entry fields 3 2 data logging filenames 3 5 interval 3 6 datalo...
Страница 68: ...ware 1 1 USB cable 1 1 pin depth A 1 power excessive A 2 measured 3 3 measurement 3 11 relative 3 3 units 3 3 y axis of graph 3 7 power units button 3 2 powergraph menu 3 6 powergraph setup 3 7 pulse...
Страница 69: ...MP 4 3 tools menu 3 4 torquing connectors A 2 U uncertainty 3 17 calibration factor 3 17 example 3 18 linearity 3 17 mismatch 3 17 noise 3 17 temperature compensation 3 17 zero drift 3 17 zero set 3 1...
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