R&S NRP-Z27/-Z37
Table of Contents Chapter 2
1169.3870.12 I-2.1
E-1
Table of Contents
2
Virtual Power Meter
...........................................................................................................2.1
Overview
............................................................................................................................................2.1
Menus .........................................................................................................................................2.3
Page 1: ...1169 3870 12 07 1 Operating Manual Power Sensor Module R S NRP Z27 1169 4102 02 R S NRP Z37 1169 3206 02 Test and Measurement...
Page 2: ...1169 3870 12 07 2 Dear Customer R S is a registered trademark of Rohde Schwarz GmbH Co KG Trade names are trademarks of the owners...
Page 3: ...rsonal injury or damage caused by dangerous situations Safety information is provided as follows In the Getting Started manual Chapter 1 1 Safety instructions The same information is provided in many...
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Page 5: ...installed on the base unit must have version num ber 02 00 or later If you want to use the distortion compensation command group SENSe RGAMma see page 6 12 the Main Program must have at least version...
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Page 7: ...2 1 5 Connecting the power sensor module 1 5 Connecting the power sensor module to the DUT 1 5 Performing measurements 1 5 PC control 1 6 Hardware and software requirements 1 6 Operation via the Passi...
Page 8: ...e USB Adapter R S NRP Z3 1 7 Fig 1 5 Changing the primary adapter 1 8 Fig 1 6 Ports and LEDs on front panel 1 10 Fig 1 7 Ports on rear panel 1 10 Fig 1 8 Unlatching the R S Instrument connector 1 11 F...
Page 9: ...ges To prevent this from happening never touch the inner conductor of the RF connector and never open the power sensor Connecting the sensor NOTICE To prevent EMI the power sensor module must never be...
Page 10: ...Connecting the sensor R S NRP Z27 Z37 1169 3870 12 1 2 E 6 Do not apply excessive mechanical force to the RF connectors of the R S NRP Z27 Z37 and DUT F F F F...
Page 11: ...in operation The multiple circular plug in connector must be inserted red marking upwards into the POWER SENSOR connector Then connect the 3 5 mm male connector of the RF cable with measurement input...
Page 12: ...y To connect the power sensor module to the DUT more easily and without tilting it relieve it by slightly lifting it R S NRP Z27 Z37 R S FSMR POWER SENSOR RF INPUT DUT Fig 1 1 Configuration with the R...
Page 13: ...commands in chapter 6 Connecting the power sensor module to the DUT The power sensor modules have a male N connector R S NRP Z27 or a male 3 5 mm connector R S NRP Z37 on their RF input and can thus...
Page 14: ...nts are met the power sensor can be controlled using a suitable application program such as the NrpFlashup program contained in the Microsoft Windows version of the NRP Toolkit includes the modules Po...
Page 15: ...and Scope modes The order in which the cables are connected is not critical Fig 1 4 Configuration with Active USB Adapter R S NRP Z3 The plug in power supply for the R S NRP Z3 can be powered from a...
Page 16: ...circuit proof and has an internal fuse It is not possible to replace this fuse or open the plug in power supply NOTICE The plug in power supply is not intended for outdoor use Keep within the temperat...
Page 17: ...ssive R S NRP Z4 interface adapter instead of a standard USB cable As an alternative to the supplied external power supply power can also be supplied using a DC voltage source with an output voltage o...
Page 18: ...LEDs on front panel On the rear panel are the ports for power supply USB host trigger input and trigger output The ports on the rear panel are shown in Fig 1 7 1 Trigger output BNC socket 2 Trigger i...
Page 19: ...orts and LEDs the R S NRP Z4 passive interface adapter can also be used as an alternative to a standard USB cable for connecting to the PC This adapter is connected to the R S Instrument port Simultan...
Page 20: ...Connecting the sensor R S NRP Z27 Z37 1169 3870 12 1 12 E 6 Fig 1 9 Typical test setup with R S NRP Z5 and PC...
Page 21: ...owing step by step description is based on an English version of Windows XP 1 Connect the R S NRP Z5 and put it into operation Connect at least one power sensor 2 Start the Device Manager and change t...
Page 22: ...N or 2 92 mm 3 5 mm SMA connector respectively To connect the power sensor module to the DUT more easily and without tilting it relieve it by slightly lifting it Performing measurements The R S NRP u...
Page 23: ...sors are generally connected to the USB ports of the test instrument via one of the two interface adapters R S NRP Z3 or R S NRP Z4 or the Sensor Hub R S NRP Z5 On some instruments such as the R S SMU...
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Page 25: ...R S NRP Z27 Z37 Table of Contents Chapter 2 1169 3870 12 I 2 1 E 1 Table of Contents 2 Virtual Power Meter 2 1 Overview 2 1 Menus 2 3...
Page 26: ...Figs and Tables Chapter 2 R S NRP Z27 Z37 1169 3870 12 I 2 2 E 1 Figs Fig 2 1 Power Viewer virtual power meter 2 1 Tables Table 2 1 Virtual power meter keys 2 2 Table 2 2 Virtual power meter entry fie...
Page 27: ...after an extremely brief familiarization period you can perform measurements The other modules in NrpFlashup are described in Chapter 3 of the operating manual Terminal module or in the service manual...
Page 28: ...o Turns auto averaging on or off When auto averaging is on the Length entry field has a grey background the current averaging factor is displayed Alt T Apply Accepts edited numerical values in the Fre...
Page 29: ...file recording View Display Refresh Rate Opens a dialog box to adjust the display refresh rate The time in milliseconds between two refresh operations is entered The default setting is 200 ms Colours...
Page 30: ...out the functions of the virtual power meter even without a power sensor module The display alternates between Measurement Value 1 Measurement Value 2 with a period given by Interval Simulation can be...
Page 31: ...NRP Z27 Z37 Table of Contents Chapter 3 1169 3870 12 I 3 1 E 1 Table of Contents 3 Manual Operation 3 1 Program module Terminal 3 1 Main control elements 3 1 Menus 3 3 Program module Firmware Update...
Page 32: ...1 Figs Fig 3 1 Sending commands using the Input field 3 2 Fig 3 2 Sending commands using command files 3 2 Tables Table 3 1 Buttons assigned to the Input field 3 2 Table 3 2 Buttons assigned to the Co...
Page 33: ...e into the sensor The power splitter integrated in the power sensor module already occupies this data record Thus any adapters or attenuators connected ahead of the power sensor modules cannot be take...
Page 34: ...ld to the power sensor module Alt S Loop With Loop the command or command sequence is cyclically sent Pressing the button again terminates the cyclic transmission The repetition rate is set in a dialo...
Page 35: ...not forwarded to the power sensor module Measurement results parameters and status information that are returned are displayed in the Output field Table 3 3 Buttons assigned to the Output field Butto...
Page 36: ...OK Response Time Opens the Response time dialog window where the response time of the power sensor module can be set Current indicates the time elapsed between dispatch of the last command and receipt...
Page 37: ...mand sequences can be controlled In the Delay ms field the time interval for the cyclic transfer is specified in milliseconds The number of completed transfer cycles is displayed in the Counter field...
Page 38: ...utomatically shifted upward and off the display if space is required for new values LF at EOT With this option active a line feed is appended to each response block from the sensor Delete on Start Wit...
Page 39: ...R S NRP Z27 Z37 Program module Firmware Update 1169 3870 12 3 7 E 1 Program module Firmware Update A detailed description of the program module for firmware updates is provided in the Service Manual...
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Page 41: ...R S NRP Z27 Z37 Table of Contents Chapter 5 1169 3870 12 I 5 1 E 1 Table of Contents 5 Remote Control Fundamentals 5 1...
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Page 43: ...trol of R S NRP power sensors and power sensor modules This driver can be found on the CD ROM supplied with the sensor or downloaded in its most recent version via the internet http rohde schwarz com...
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Page 45: ...SENSe AVERage COUNt AUTO RESolution 1 to 4 6 7 SENSe AVERage COUNt AUTO TYPE RESolution NSRatio 6 7 SENSe AVERage RESet 6 7 SENSe AVERage STATe OFF ON 6 8 SENSe AVERage TCONtrol MOVing REPeat 6 8 SENS...
Page 46: ...6 16 TRIGger 6 17 ABORt 6 17 INITiate CONTinuous OFF ON 6 17 INITiate IMMediate 6 18 TRIGger COUNt 1 to 2 10 9 6 18 TRIGger DELay 0 to 100 0 6 18 TRIGger DELay AUTO OFF ON 6 18 TRIGger HOLDoff 0 0 to...
Page 47: ...em 6 5 Table 6 3 Measurement mode POWer AVG 6 10 Table 6 4 Optimum selection of the sampling window size N 1 2 3 6 10 Table 6 5 Commands of the SYSTem system 6 13 Table 6 6 Meaning of Item in the SYST...
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Page 49: ...COUNt is represented in the table as follows SENSe first level AVERage second level COUNt third level In the individual description the command is shown in full length An example of the command is giv...
Page 50: ...g structure ROHDE SCHWARZ NRP Zx7 serial number firmware version serial number Serial number in ASCII firmware version Firmware version number in ASCII RST Reset RST sets the power sensor module to th...
Page 51: ...th Bytes Query only ZERO AUTO OFF ON ONCE CALibration DATA calibration data set as definite length block CALibration DATA is used for writing a calibration data set in the flash memory of the power mo...
Page 52: ...after a substantial variation of the ambient temperature after fastening the power sensor module to an RF connector at high temperature after several hours of operation when very low power signals ar...
Page 53: ...arameter Unit Remarks SENSe AVERage RESet No query STATe OFF ON TCONtrol MOVing REPeat COUNt 1 to 65536 AUTO OFF ON ONCE TYPE RESolution NSRatio MTIMe 1 0 to 999 99 s NSRatio 0 0001 to 1 0 dB RESoluti...
Page 54: ...h SENSe AVERage STATe ON so that the set averaging factor becomes effective Default setting 4 SENSe AVERage COUNt AUTO OFF ON ONCE SENSe AVERage COUNt AUTO activates auto averaging or deactivates fixe...
Page 55: ...gher the selected index the better the measurement result is filtered without the last significant place 0 01 dB with an index of 3 actually being set The NSRatio setting is recommended instead The qu...
Page 56: ...urement result This allows tendencies in the result to be recognized during the measurement procedure The REPeat parameter defines that a new result is output after the FIR filter has been filled with...
Page 57: ...ctional coupler A negative offset can be used to correct the influence of a gain connected ahead The query yields the set offset in dB Default setting 0 0 dB SENSe CORRection OFFSet STATe OFF ON SENSe...
Page 58: ...APERture defines the time interval sampling window measured values are continuously recorded in this interval In manual operation the default setting of 20 ms in conjunction with the activated smooth...
Page 59: ...sed to suppress variations of results caused by low frequency modulation This parameter should be activated to reduce variations in results due to modulation when the size of the sampling window canno...
Page 60: ...ex reflection coefficient of the source The query yields the set phase angle Default setting 0 0 SENSe RGAMma MAGNitude 0 0 to 1 0 With the SENSe RGAMma group of commands you can compensate the load d...
Page 61: ...to IDN If no Item is specified the response string is a sequence of entries in the form Item Information String separated by CR and LF in C notation r n With the Item optionally appended to the comman...
Page 62: ...has a nominal input impedance of 50 COUPLING DC The RF input of the power sensor modules is DC coupled CAL ABS date Date of absolute calibration in the format YYYY MM DD Invalid Calibration Date is re...
Page 63: ...RANsaction BEGin marks the beginning of a sequence of setting commands between which the parameter limits must not be checked This prevents the display of error messages when a setting command causes...
Page 64: ...triggers a selftest of the power sensor module In contrast to TST this command yields detailed information which is useful for troubleshooting No signal may be applied to the power sensor module whil...
Page 65: ...dule enters the WAIT_FOR_TRIGGER state INITiate CONTinuous OFF ON INITiate CONTinuous ON activates the continuous measurement mode In this mode a new measurement is automatically started when a measur...
Page 66: ...at the end of the measurement The TRIGger COUNt command does not define the number of trigger events required for performing the entire measurement task The number may vary depending on the measureme...
Page 67: ...gger source The query yields the trigger hysteresis in dB Default setting 0 0 dB TRIGger IMMediate TRIGger IMMediate triggers a generic trigger event that causes the power sensor module to exit immedi...
Page 68: ...ve 2 for NEGative Default setting POSitive TRIGger SOURce BUS EXTernal HOLD IMMediate INTernal TRIGger SOURce sets the trigger source BUS Triggering with command TRG or TRIGger IMMediate EXTernal Trig...
Page 69: ...DATA LENGth Bytes 6 3 CALibration ZERO AUTO OFF ON ONCE OFF fixed 6 4 SENSe Commands SENSe AVERage COUNt 1 to 65536 4 6 6 SENSe AVERage COUNt AUTO OFF ON ONCE ON 6 6 SENSe AVERage COUNt AUTO MTIMe 1 0...
Page 70: ...Se POWer AVG BUFFer STATe OFF ON OFF 6 11 SENSe POWer AVG SMOothing STATe OFF ON OFF 6 11 SENSe SGAMma CORRection STATe OFF ON OFF 6 12 SENSe SGAMma MAGNitude 0 0 to 1 0 0 0 6 12 SENSe SGAMma PHASe 36...
Page 71: ...2 Command Parameter Unit Default setting Page TRIGger HYSTeresis 0 0 to 10 0 dB 0 0 6 19 TRIGger IMMediate 6 19 TRIGger LEVel x to y W 10 x 6 19 TRIGger SLOPe POSitive NEGative POSitive 6 20 TRIGger...
Page 72: ...do not have the original packaging use similar materials that provide the same level of protection Securing When moving the product in a vehicle or using transporting equipment make sure that the pro...
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Page 74: ...in mind that the casing is not waterproof If you use isopropyl alcohol or ethanol instead of water be careful not to damage the labeling Do not use cleaning agents that can damage the instrument such...
Page 75: ...n disposal via the municipal collection points for waste electrical and electronic equipment is not permitted Labeling in line with EU directive WEEE Rohde Schwarz has developed a disposal concept for...