Rohde & Schwarz NRP-Z11 Operating Manual
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Rohde & Schwarz NRP-Z11 Operating Manual

Universal power sensor
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Operating Manual
Universal Power Sensor
R&S
NRP-Z11
1138.3004.02/.04
R&S
NRP-Z21
1137.6000.02
R&S
NRP-Z31
1169.2400.02
R&S
NRP-Z41
1171.8801.02
1137.7470.12-09
R&S
NRP-Z61
1171.7505.02
R&S
NRP-Z211
1417.0409.02
R&S
NRP-Z221
1417.0309.02
Test and Measurement
1

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  • Page 1 Operating Manual Universal Power Sensor   R&S NRP-Z11 R&S NRP-Z61 1138.3004.02/.04 1171.7505.02   R&S NRP-Z21 R&S NRP-Z211 1137.6000.02 1417.0409.02   R&S NRP-Z31 R&S NRP-Z221 1169.2400.02 1417.0309.02  R&S NRP-Z41 1171.8801.02 Test and Measurement 1137.7470.12-09...
  • Page 2 Dear Customer, R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG Trade names are trademarks of the owners. 1137.7470.12-09...
  • Page 3 R&S NRP-Z11/21/31/41/61/211/221 Safety Information Safety Information Safety information is part of the product documentation. It warns you of potential dangers and gives instructions on how to prevent personal injury or damage caused by dangerous situations. Safety information is provided as follows: •...
  • Page 5 R&S NRP-Z11/21/31/41/61/211/221 Table of Contents Chapter 1 Table of Contents Putting into Operation ......................1.1 Unpacking the power sensor ......................1.1 Connecting the power sensor ......................1.1 Operation with the R&S NRP/NRP2 power meter .................1.2 Connecting the power sensor .....................1.2 PC control ............................1.2 Hardware and software requirements ..................1.2...
  • Page 6 List of Figs. and Tables Chapter 1 R&S NRP-Z11/21/31/41/61/211/221 Figs. Fig. 1-1 Displaying the total available power of a USB port ............1.3 Fig. 1-2 Configuration with Passive USB Adapter R&S NRP-Z4 ...........1.4 Fig. 1-3 Configuration with Active USB Adapter R&S NRP-Z3 ............1.4 Fig.
  • Page 7 Caused by their different frequency ranges, the R&S NRP-Z11/21/31/41/61/211/221 power sensors have different RF connectors. In this context, the following sections will refer to Table 1-1:...
  • Page 8 Operation with the R&S NRP/NRP2 power meterR&S NRP-Z11/21/31/41/61/211/221 Table 1-1 RF connectors of R&S NRP-Z5x power sensors Power sensor Male connector Matching female connector Tightening torque R&S NRP-Z11 R&S NRP-Z21 1,36 Nm (12" lbs) R&S NRP-Z211 R&S NRP-Z221 R&S NRP-Z31...
  • Page 9 R&S NRP-Z11/21/31/41/61/211/221 PC control When you insert the CD-ROM supplied with the R&S NRP power sensor, the NRP Toolkit is automatically installed on your PC. The rest of the procedure is self-explanatory. The power sensor can be powered in two ways: ...
  • Page 10 PC control R&S NRP-Z11/21/31/41/61/211/221 Operation via the R&S NRP-Z4 passive USB adapter Fig. 1-2 is a schematic of the measurement setup. The order in which the cables are connected is not critical. Fig. 1-2 Configuration with Passive USB Adapter R&S NRP-Z4...
  • Page 11 R&S NRP-Z11/21/31/41/61/211/221 PC control The plug-in power supply for the R&S NRP-Z3 can be powered from a single-phase AC source with a nominal voltage range of 100 V to 240 V and a nominal frequency between 50 Hz and 60 Hz. The plug- in power supply autosets to the applied AC voltage.
  • Page 12 PC control R&S NRP-Z11/21/31/41/61/211/221 As an alternative to the supplied external power supply, power can also be supplied using a DC voltage source with an output voltage of 12 V to 24 V and a power output of at least 24 W. Make sure that the polarity is correct (positive pole inside, negative pole outside).
  • Page 13 R&S NRP-Z11/21/31/41/61/211/221 PC control Fig. 1-6 Ports on rear panel Unlatch the R&S Instrument connector on the rear panel by pressing down the unlatching ring of the built-in plug and pulling off the cable jack at the same time (Fig. 1-7).
  • Page 14 PC control R&S NRP-Z11/21/31/41/61/211/221 Fig. 1-8 Typical test setup with R&S NRP-Z5 and PC 1137.7470.12...
  • Page 15 R&S NRP-Z11/21/31/41/61/211/221 PC control Troubleshooting A frequent problem, especially in the case of operation under Microsoft Windows XP, is that the R&S NRP-Z5 fails to respond after a power sensor connected to the R&S NRP-Z5 is disconnected and reconnected. It is then necessary to restart the PC.
  • Page 16 Operation with other R&S test instruments R&S NRP-Z11/21/31/41/61/211/221 4. Double-clicking USB Root Hub opens the USB Root Hub Properties dialog box. Select the Power Management tab. Remove the check mark next to Allow the computer to turn off this device to save power and confirm this with OK.
  • Page 17 R&S NRP-Z11/21/31/41/61/211/221 Table of Contents Chapter 2 Table of Contents Virtual Power Meter ......................2.1 Overview............................2.1 Menus ............................2.3 1137.7470.12 I-2.1...
  • Page 18 List of Figs. and Tables Chapter 2 R&S NRP-Z11/21/31/41/61/211/221 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 fields ..................2.2 1137.7470.12 I-2.2...
  • Page 19 R&S NRP-Z11/21/31/41/61/211/221 Overview 2 Virtual Power Meter You will find the NrpFlashup program that enables you to operate the power sensor with a PC under Windows™ on the CD-ROM that accompanies the power sensor. The program comprises several modules which can be started centrally via the Windows™ start-menu entry NRP Toolkit.
  • Page 20 Overview R&S NRP-Z11/21/31/41/61/211/221 Table 2-1 Virtual power meter keys Button Function Key combination Exit Terminates the program. The current settings are saved and recalled the Alt + E next time the program is started. Selects Watt as the display unit.
  • Page 21 R&S NRP-Z11/21/31/41/61/211/221 Overview Menus The menu bar can be used to call less frequently used functions. File Start Log ... Opens a file-selection dialog to specify the path and name of the log file. Clicking the Save button starts the recording.
  • Page 22 Overview R&S NRP-Z11/21/31/41/61/211/221 Simulation … Allows you to try out the functions virtual power meter even without power sensor. display alternates between Measurement Value 1 & Measurement Value 2 with a period given by Interval. Simulation can be activated immediately with the Activate check box.

  • Page 23: Table Of Contents

    R&S NRP-Z11/21/31/41/61/211/221 Table of Contents Chapter 3 Table of Contents Manual Operation .......................3.1 Program module "Terminal" ......................3.1 Main control elements.........................3.1 Menus ............................3.3 Program module "Firmware Update" .....................3.6 Program module "Update S-Parameters" ..................3.6 Fundamentals ..........................3.6 Procedure ...........................3.9 1137.7470.12 I-3.1...
  • Page 24 List of Figs. and Tables Chapter 3 R&S NRP-Z11/21/31/41/61/211/221 Figs. Fig. 3-1 Sending commands using the Input field .................3.1 Fig. 3-2 Sending commands using command files ................3.2 Fig. 3-3 Dialog window for loading an s-parameter table...............3.9 Fig. 3-4 Dialog window for loading the backup file of a calibration data set ........3.10 Fig.

  • Page 25: Manual Operation

    R&S NRP-Z11/21/31/41/61/211/221 Program module "Terminal" 3 Manual Operation The previous section describes the Power Viewer program module supplied with the instrument. This module simplifies the most frequently used function of a power meter – measuring the average power of an RF signal of almost any modulation. Other program modules are also part of the supplied equipment and can be selected in the Start menu: •...
  • Page 26 Program module "Terminal" R&S NRP-Z11/21/31/41/61/211/221 Fig. 3-2 Sending commands using command files Table 3-1 Buttons assigned to the Input field Button Function Key combination Send Sends the content of the Input entry field to the sensor. Alt + S With Loop the command or command sequence is cyclically sent. Pressing...

  • Page 27: Menus

    R&S NRP-Z11/21/31/41/61/211/221 Program module "Terminal" A command line starting with a tab, a blank or a special character is considered a comment and not forwarded to the sensor. Measurement results, parameters and status information returned by the sensor are displayed in the Output field.
  • Page 28 Program module "Terminal" R&S NRP-Z11/21/31/41/61/211/221 Filtering is started with Apply. The number of lines matching the filter criterion is displayed in the Linecounter field. If Open on startup is active, the Output Postfilter dialog is automatically opened when the terminal is started. The dialog window is closed with OK.
  • Page 29 R&S NRP-Z11/21/31/41/61/211/221 Program module "Terminal" Options Protocol Mode In this mode, a time stamp is added to each response block. Hex Mode In this mode, the response blocks from the sensor are displayed in hexadecimal format. Auto Delete With this option active, the Output field is automatically cleared when the Send button is pressed.

  • Page 30: Program Module "Firmware Update

    Program module "Update S-Parameters" Fundamentals With the power sensor R&S NRP-Z11/21/31/41/61/211/221, the influence of any twoport – e. g. an adapter – between the signal source and the sensor input can be considered, allowing the power P actually delivered by the signal source to be calculated.
  • Page 31 R&S NRP-Z11/21/31/41/61/211/221 Program module "Update S-Parameters" The option line should therefore read: # [HZ | KHZ | MHZ | GHZ] [S] [MA | DB | RI] [R 50] 2. The measurement frequencies in ascending order are specified as follows: where...
  • Page 32 Program module "Update S-Parameters" R&S NRP-Z11/21/31/41/61/211/221 Structure of the uncertainty data file (square brackets indicate that the enclosed content is optional): 1. The option line has the following format: # [<frequency unit>] <parameter> [<format>] [<R n>] # identifies the option line.

  • Page 33: Procedure

    R&S NRP-Z11/21/31/41/61/211/221 Program module "Update S-Parameters" Procedure To load an s-parameter table into the calibration set of the sensor, proceed as follows: 1. Connect the sensor to the USB port of the PC and start the program module Update S- Parameters.

  • Page 34: Fig

    Program module "Update S-Parameters" R&S NRP-Z11/21/31/41/61/211/221 During loading, the current calibration data set of the sensor is overwritten. To be on the safe side, a backup copy of the current calibration data set is therefore automatically stored before s-parameters are loaded.

  • Page 35: Fig

    R&S NRP-Z11/21/31/41/61/211/221 Program module "Update S-Parameters" Fig. 3-5 Subsequently changing the default behaviour of the s-parameter correction 1137.7470.12 3.11...
  • Page 36 R&S NRP-Z11/21/31/41/61/211/221 Table of Contents Chapter 5 Table of Contents Remote Control – Fundamentals .................5.1 1137.7470.12 I-5.1...
  • Page 37 R&S NRP-Z11/21/31/41/61/211/221 Remote Control – Fundamentals 5 Remote Control – Fundamentals Rohde & Schwarz recommends to utilize the VXI Plug & Play Driver for the remote control of R&S NRP power sensors. 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/).
  • Page 38 R&S NRP-Z11/21/31/41/61/211/221 Table of Contents Chapter 6 Table of Contents Remote Control – Commands ..................6.1 Notation .............................6.1 Commands as per IEEE 488.2 ......................6.2 *IDN? – Identification Query .......................6.2 *RST – Reset ..........................6.2 *TRG – Trigger..........................6.2 *TST? – Self Test Query......................6.2 SCPI Commands..........................6.3...
  • Page 39 Table of Contents Chapter 6 R&S NRP-Z11/21/31/41/61/211/221 SENSe:SGAMma:PHASe[?] –360.0 to 360.0.............6.17 SENSe:TIMing:EXCLude:STARt[?] 0.0 to 0.1 ............6.17 SENSe:TIMing:EXCLude:STOP[?] 0.0 to 0.003............6.17 SENSe:TRACe:AVERage:COUNt[?] 1 to 8192............6.18 SENSe:TRACe:AVERage:STATe[?] OFF | ON............6.19 SENSe:TRACe:AVERage:TCONtrol[?] MOVing | REPeat.........6.19 SENSe:TRACe:MPWidth?....................6.19 SENSe:TRACe:OFFSet:TIME[?] – (<TRIGger:DELay> + 0.005) to 100.0 ....6.20 SENSe:TRACe:POINts[?] 1 to 1024................6.20...
  • Page 40 Figures and List of Tables Chapter 6 R&S NRP-Z11/21/31/211/221 Figs. Fig. 6-1 Effect of SENSe:POWer:BURSt:DTOLerance ...............6.14 Fig. 6-2 Correction of interactions between the power sensor and the signal source ....6.16 Fig. 6-3 Correction of interactions between the power sensor, the signal source, and the s-parameter device...............6.16 Fig.

  • Page 41: Remote Control - Commands

    R&S NRP-Z11/21/31/41/61/211/221 Remote Control - Commands 6 Remote Control – Commands Notation In the following sections, all commands implemented in the sensor are first listed in a table according to command systems and are then described in detail. The notation is largely in line with the SCPI standard.

  • Page 42: Commands As Per Ieee 488.2

    Remote Control - Commands R&S NRP-Z11/21/31/41/61/211/221 Commands as per IEEE 488.2 The sensor supports a subset of the possible setting commands and queries (Common Commands and Queries) in line with IEEE 488.2. *IDN? – Identification Query *IDN? returns a string with information on the sensor's identity (device identification code). In addition, the version number of the installed firmware is indicated.

  • Page 43: Scpi Commands

    R&S NRP-Z11/21/31/41/61/211/221 Remote Control - Commands SCPI Commands The sensor R&S NRP-Z11/21/31/41/61/211/221 is controlled via the groups of commands • CALibration (zeroing) • SENSe (measurement configurations) • SYSTem • TRIGger • SERVice. CALibration Table 6-1 Commands of the CALibration system...
  • Page 44 Remote Control - Commands R&S NRP-Z11/21/31/41/61/211/221 Repeat zeroing • during warm-up after switching on or connecting the instrument • after a substantial variation of the ambient temperature • after fastening the sensor to an RF connector at high temperature •...

  • Page 45: Sense (Sensor Configuration)

    –200.0 to 200.0 :STATe[?] OFF to ON :SPDevice:STATe[?] OFF to ON :FREQuency[?] 10.0e6 to 8.0e9 (NRP-Z11/211) or 10.0e6 to 18.0e9 (NRP-Z21/221) or 10.0e6 to 33.0e9 (NRP-Z31) or 10.0e6 to 40.0e9 (NRP-Z41) or 10.0e6 to 50.0e9 (NRP-Z61) :FUNCtion[?] “POWer:AVG“ | “POWer:TSLot:AVG“ | “POWer:BURSt:AVG“...
  • Page 46 :SMOothing:STATe[?] OFF | ON :BURSt:DTOLerance[?] 0.0 to 3.0e-3 :TSLot:AVG :COUNt[?] 1 to 128 :WIDTh[?] 10.0e-6 to 100e-3 :RANGe [?] 0 to 2 (NRP-Z11/21/31/41/61) or 0 to 1 (NRP-Z211/221) :AUTO[?] OFF | ON :CLEVel[?] –20.0 to 0.0 :SAMPling[?] FREQ1 | FREQ2 :SGAMma...

  • Page 47: Sense:average:count[?] 1 To 65536

    R&S NRP-Z11/21/31/41/61/211/221 Remote Control - Commands Command Parameter Unit Remarks :REALtime[?] OFF | ON :TIME[?] 0.0001 to 0.3 SENSe:AVERage:COUNt[?] 1 to 65536 SENSe:AVERage:COUNt sets the number of measured values that have to be averaged for forming the measurement result in the modes Continuous Average, Burst Average and Timeslot Average. The higher this averaging factor, the less the measured values fluctuate and the longer the measurement time lasts.

  • Page 48: Sense:average:count:auto:nsratio[?] 0.0

    Remote Control - Commands R&S NRP-Z11/21/31/41/61/211/221 SENSe:AVERage:COUNt:AUTO:NSRatio[?] 0.0 to 1.0 SENSe:AVERage:COUNt:AUTO:NSRatio determines the relative noise component in the measurement result for the Continuous Average, Burst Average and Timeslot Average modes if auto-averaging is operated in the corresponding mode (SENSe:AVERage:COUNt:AUTO:TYPE NSRatio). The noise component is defined as the magnitude of the level variation in dB caused by the inherent noise of the sensor (two standard deviations).

  • Page 49: Sense:average:reset

    R&S NRP-Z11/21/31/41/61/211/221 Remote Control - Commands SENSe:AVERage:RESet SENSe:AVERage:RESet initializes the averaging filter for the Continuous Average, Burst Average or Timeslot Average modes. This is useful if a high averaging factor is set in the SENSe:AVERage :TCONtrol MOVing filter mode and if the power to be measured has significantly decreased since the previous measurement, e.g.

  • Page 50: Sense:correction:dcycle:state[?] Off

    Remote Control - Commands R&S NRP-Z11/21/31/41/61/211/221 SENSe:CORRection:DCYCle:STATe[?] OFF | ON SENSe:CORRection:DCYCle:STATe ON activates the duty cycle correction and thus the pulse-power measurement whereas SENSe:CORRection:DCYCle:STATe OFF deactivates it. The query yields • 1 for OFF, • 2 for ON. Default setting: OFF SENSe:CORRection:OFFSet[?] –200.0 to 200.0...

  • Page 51: Sense:frequency[?] 10.0E6 To 8.0E9/18.0E9/33.0E9

    R&S NRP-Z11/21/31/41/61/211/221 Remote Control - Commands SENSe:FREQuency[?] 10.0e6 to 8.0e9/18.0e9/33.0e9/40.0e9/50.0e9 SENSe:FREQuency transfers the carrier frequency of the RF signal to be measured; this frequency is used for the frequency-response correction of the measurement result. The center frequency is set for broadband signals (spread-spectrum signals, multicarrier signals).

  • Page 52: Sense:power:avg:aperture[?] 10.0E-6

    Remote Control - Commands R&S NRP-Z11/21/31/41/61/211/221 <sensor_function> Description of the measurement mode Burst Average "POWer:BURSt:AVG" This mode is used to measure the average power of bursts. The time interval in which the average power is measured starts when the power exceeds the trigger threshold and stops when the trigger logic detects the end of the pulse.

  • Page 53: Sense:power:avg:buffer:size[?] 1 To 1024

    R&S NRP-Z11/21/31/41/61/211/221 Remote Control - Commands more than 9 periods. With smoothing deactivated, the situation is considerably more unfavorable. In this case, 300 instead of 5 periods are required, and the fluctuations do not disappear completely until there are 3000 or more periods.

  • Page 54: Sense:power:burst:dtolerance[?] 0.0 To 0.003

    Remote Control - Commands R&S NRP-Z11/21/31/41/61/211/221 SENSe:POWer:BURSt:DTOLerance[?] 0.0 to 0.003 SENSe:POWer:BURSt:DTOLerance defines the dropout tolerance, a parameter for reliably detecting the burst end in the Burst Average mode with modulated signals (e. g. with digital standards NADC, PDC, PHS, etc.). The dropout tolerance should be selected larger than the longest amplitude drop and smaller than the gap between two consecutive bursts.

  • Page 55: Sense:range[?] 0 To 2 (1 For R&S Nrp-Z211/221)

    SENSe:RANGe[?] 0 to 2 (1 for R&S NRP-Z211/221) SENSe:RANGe selects the measurement path of the sensor. The power sensor R&S NRP-Z11/21/31/41/61 has three separate measurement paths. Path 1 is the most sensitive, path 2 medium and path 3 the least sensitive. SENSe:RANGe 0 selects path 1, SENSe:RANGe 1 path 2 and SENSe:RANGe 2 path 3.

  • Page 56: Sense:sgamma:correction:state[?] Off

    Remote Control - Commands R&S NRP-Z11/21/31/41/61/211/221 parameter FREQ2. This is provided to suppress interfering low-frequency mixture products from signal components and the sampling frequency. The query yields • 1 for FREQ1, • 2 for FREQ2. Default setting: FREQ1 SENSe:SGAMma:CORRection:STATe[?] OFF | ON...

  • Page 57: Sense:sgamma:magnitude[?] 0.0 To 1.0

    R&S NRP-Z11/21/31/41/61/211/221 Remote Control - Commands The query yields • 1 for OFF, • 2 for ON. Default setting: OFF SENSe:SGAMma:MAGNitude[?] 0.0 to 1.0 SENSe:SGAMma:MAGNitude defines the magnitude of the complex reflection coefficient of the signal source. A value of 0.0 corresponds to ideal match and a value of 1.0 to total reflection.

  • Page 58: Sense:trace:average:count[?] 1 To 8192

    Remote Control - Commands R&S NRP-Z11/21/31/41/61/211/221 Measurement window Trigger level Time START STOP Triggering Triggering (Start) (Stop) Fig. 6-4 Effect of SENSe:TIMing:EXCLude:STARt and :STOP in the Burst Average mode Nominal Width Nominal Width Measurement window Time START STOP Trigger Delay (< 0)

  • Page 59: Sense:trace:average:state[?] Off

    R&S NRP-Z11/21/31/41/61/211/221 Remote Control - Commands The query yields the averaging factor used in the sensor for the Trace mode. Default setting: 4 SENSe:TRACe:AVERage:STATe[?] OFF | ON SENSe:TRACe:AVERage:STATe switches the averaging filter on or off for the Trace mode. The query yields •...

  • Page 60: Sense:trace:offset:time[?] - ( + 0.005) To 100.0

    Remote Control - Commands R&S NRP-Z11/21/31/41/61/211/221 SENSe:TRACe:OFFSet:TIME[?] – (<TRIGger:DELay> + 0.005) to 100.0 SENSe:TRACe:OFFSet:TIME is used to specify the start of recording for the Trace mode. It is identical with the first pixel. The time associated with the last pixel is the time associated with the first pixel plus the trace length.

  • Page 61: System

    Meaning of Item in the SYSTem:INFO? command Item Information string Remarks "MANUFACTURER" "Rohde & Schwarz" Manufacturer "TYPE" e. g. "NRP-Z11" for R&S NRP-Z11 Type designation "STOCK NUMBER" "1138.3004.02" for R&S NRP-Z11 Material number "1137.6000.02" for R&S NRP-Z21 "1169.2400.02" for R&S NRP-Z31 "1171.8801.02" for R&S NRP-Z41 "1171.7505.02"...
  • Page 62 The R&S NRP-Z11/21/31/41/61/211/221 is a terminating power sensor. "MINPOWER" "<nominal lower test limit in W>" The nominal lower test limit of the R&S NRP-Z11/21/31/41/61 is 200 pW, i.e. with s-parameter correction deactivated, the sensor returns the information string "2e-10" as a response to SYSTem:INFO? "MINPOWER".

  • Page 63: System:initialize

    Temperature response calibration of the R&S NRP- Z11/21/31/41/61/211/221 is neither required nor possible. "CAL. LIN." "not applicable" Linearity calibration of the R&S NRP-Z11/21/31/41/61/211/221 is neither required nor possible. "SPD MNEMONIC" "<mnemonic string>" Clear-text designation of the components connected ahead of the sensor.

  • Page 64: System:sutime[?] 0.0

    Remote Control - Commands R&S NRP-Z11/21/31/41/61/211/221 The parameter in the SYSTem:RUTime command is selected so that it equals the desired minimum interval between two measured value outputs. This is equivalent to the reciprocal of the output rate. If the measurement takes longer to begin with, the output rate decreases proportionately.

  • Page 65: Test

    R&S NRP-Z11/21/31/41/61/211/221 Remote Control - Commands TEST Table 6-6 Commands of the TEST system Command Parameter Unit Remarks TEST:SENSor? Query only TEST:SENSor? TEST:SENSor? triggers a selftest of the sensor. In contrast to *TST, this command yields detailed information, which is useful for troubleshooting.

  • Page 66: Trigger

    Remote Control - Commands R&S NRP-Z11/21/31/41/61/211/221 TRIGger Table 6-7 Commands of the TRIGger system Command Parameter Unit Remarks ABORt No query INITiate :CONTinuous[?] OFF | ON :IMMediate No query TRIGger :ATRigger:STATe[?] OFF | ON :COUNt[?] 1 to 2 :DELay[?] x to 100.0...

  • Page 67: Initiate:immediate

    R&S NRP-Z11/21/31/41/61/211/221 Remote Control - Commands After triggering and completion of the measurement, the sensor enters the IDLE state and remains in this state until a new measurement is started with the INITiate:IMMediate command. The query yields • 1 for OFF, •...

  • Page 68: Trigger:delay[?] X To 100.0

    TRIGger:DELay:AUTO ON ensures by means of an automatically determined delay that a measurement is only started after the sensor has settled. This is relevant mainly for thermal power sensors (negligible for the R&S NRP-Z11/21/31/41/61/211/221). If the automatic trigger delay was activated with the TRIGger:DELay:AUTO ON command, it has the following effect: After exiting the WAIT_FOR_TRIGGER state –...

  • Page 69: Trigger:hysteresis[?] 0.0 To 10.0

    R&S NRP-Z11/21/31/41/61/211/221 Remote Control - Commands TRIGger:HYSTeresis[?] 0.0 to 10.0 TRIGger:HYSTeresis sets the hysteresis of the internal trigger threshold (parameter TRIGger:LEVel). Hysteresis is the magnitude (in dB) by which the trigger signal level falls below the trigger threshold (with positive trigger edge) to enable triggering again. The case is exactly the opposite with a negative trigger edge.

  • Page 70: Trigger:source[?] Hold | Immediate | Internal | Bus | External

    Remote Control - Commands R&S NRP-Z11/21/31/41/61/211/221 The query yields • 1 for POSitive, • 2 for NEGative. Default setting: POSitive TRIGger:SOURce[?] HOLD | IMMediate | INTernal | BUS | EXTernal | TRIGger:SOURce sets the trigger source. • HOLD: Triggering only with command TRIGger:IMMediate.

  • Page 71: List Of Remote-Control Commands

    R&S NRP-Z11/21/31/41/61/211/221 Remote Control - Commands List of Remote-Control Commands The remote-control commands of the R&S NRP-Z11/21/31/41/61/211/221 have a syntax based on standard SCPI 1999.0, but they comply with it only to a limited extent. Table 6-8 List of remote-control commands...
  • Page 72 6.10 SENSe:CORRection:SPDevice:STATe[?] OFF | ON OFF (can be 6.10 modified by the user) SENSe:FREQuency[?] 10.0e6 to 8.0e9 (NRP-Z11/211) or 50.0e6 6.11 10.0e6 to 18.0e9 (NRP-Z21/221) or 10.0e6 to 33.0e9 (NRP-Z31) or 10.0e6 to 40.0e9 (NRP-Z41) or 10.0e6 to 50.0e9 (NRP-Z61) SENSe:FUNCtion[?] "POWer:AVG"...
  • Page 73 R&S NRP-Z11/21/31/41/61/211/221 Remote Control - Commands Command Parameter Unit Default setting Page SENSe:TRACe:OFFSet:TIME[?] – (<TRIGger:DELay> + 0.005) to 6.19 100.0 SENSe:TRACe:POINts[?] 1 to 1024 6.20 SENSe:TRACe:REALtime[?] OFF | ON 6.20 SENSe:TRACe:TIME[?] 0.0001 to 0.3 0.01 6.20 SYSTem Commands SYSTem:INFO? [Item] 6.21...
  • Page 74 Remote Control - Commands R&S NRP-Z11/21/31/41/61/211/221 Command Parameter Unit Default setting Page TRIGger:SOURce[?] HOLD | IMMediate | INTernal | BUS | IMMediate 6.30 EXTernal 1137.7470.12 6.34...
  • Page 75 R&S NRP-Z11/21/31/41/61/211/221 Transporting 7 Transporting Packing Use the original packaging material. It consists of antistatic wrap for electrostatic protection and packing material designed for the product. If you do not have the original packaging, use similar materials that provide the same level of protection.
  • Page 77 R&S NRP-Z11/21/31/41/61/211/221 Maintenance, Storage and Disposal 8 Maintenance, Storage and Disposal The product does not require regular maintenance. It only requires occasional cleaning. It is however advisable to check the nominal data from time to time. Regular Checks If the power sensor is used frequently, check the RF connectors for visible damage - bent inner conductors, broken contact springs and so on.
  • Page 78 Maintenance, Storage and Disposal R&S NRP-Z11/21/31/41/61/211/221 Disposing Electrical and Electronic Equipment A product that is labeled as follows cannot be disposed of in normal household waste after it has come to the end of its service life. Even disposal via the municipal collection points for waste electrical and electronic equipment is not permitted.

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