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R&S ZNH, User Manual

The Rohde & Schwarz ZNH Manual is a comprehensive user guide for the advanced ZNH signal analyzer. Experience hassle-free navigation, detailed instructions and valuable insights to optimize your testing process. Download the free manual from our website manualshive.com and unlock the full potential of your Rohde & Schwarz ZNH analyzer.

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R&S

®

ZNH

Handheld Vector Network Analyzer
User Manual

 

1334598502
Version 02

(=RÉã2)

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Summary of Contents for ZNH

Page 1: ...R S ZNH Handheld Vector Network Analyzer User Manual 1334598502 Version 02 R 2 Sie haben Fragen oder w nschen eine Beratung Angebotsanfrage unter 07121 51 50 50 oder ber info datatec de Distributed by...

Page 2: ...to 1321 1611 26 R S ZNH K9 1334 6800 02 R S ZNH K10 1334 6846 02 R S ZNH K29 1334 6823 02 R S ZNH K45 1334 6852 02 R S ZNH K66 1334 6869 02 2020 Rohde Schwarz GmbH Co KG M hldorfstr 15 81671 M nchen G...

Page 3: ...ic Safety Instructions and the product documentation in a safe place and pass them on to the subsequent users Riesgo de lesiones y da os en el instrumento El instrumento se debe usar de manera adecuad...

Page 4: ...die Produktdokumentation gut auf und geben Sie diese an weitere Benutzer des Produkts weiter Risque de blessures et d endommagement de l appareil L appareil doit tre utilis conform ment aux prescript...

Page 5: ...e the batteries See the device manual or data sheet for the exact designation of the charger If the batteries are improperly charged there is a risk of explosion which can cause serious personal injur...

Page 6: ...de Rohde Schwarz Consulte en el manual o en las especificaciones t cnicas del equipo la denominaci n exacta del cargador Si las bater as se cargan de forma incorrecta existe peligro de explosi n lo qu...

Page 7: ...en werden Siehe Handbuch oder Datenblatt des Ger tes f r die genaue Bezeichnung des Ladeger tes Wenn Batterien unsachgem geladen werden besteht Explosionsgefahr was zu schweren Verletzungen bei Person...

Page 8: ...r sont indiqu es dans le manuel ou la fiche technique de l appareil Une recharge incorrecte des batteries peut entra ner des explosions susceptibles de causer des blessures graves 5 Recharger imp rati...

Page 9: ...pport center A team of highly qualified engineers provides support and works with you to find a solution to your query on any aspect of the operation programming or applications of Rohde Schwarz produ...

Page 10: ...2 Conventions for Procedure Descriptions 13 1 2 3 Notes on Screenshots 13 2 Welcome to the R S ZNH 14 3 Getting Started 15 3 1 Preparing for Use 15 3 1 1 Putting into Operation 15 3 1 2 Switching the...

Page 11: ...C 51 4 3 1 LAN Connection 52 4 3 2 USB Connection 57 4 4 Managing Options 58 4 4 1 Enabling Options 58 4 4 2 Checking Options 59 4 4 3 Managing Options with R S License Manager 60 4 5 Measuring Transm...

Page 12: ...3 5 6 Working Directory 83 5 7 Taking Screenshots 84 5 8 Managing Datasets 86 5 8 1 Saving Datasets 88 5 8 2 Restoring Datasets 90 5 8 3 Deleting Datasets 92 5 9 Updating the Firmware 93 5 10 Installi...

Page 13: ...isplay Line 142 7 3 4 Using Limit Lines 142 8 Vector Network Analysis 146 8 1 Calibrating Measurements 147 8 1 1 Calibration States 148 8 1 2 Calibration Methods 149 8 1 3 Performing Calibration 150 8...

Page 14: ...1 Configuring the Numerical Result Display 184 11 2 Configuring the Power vs Time Result Display 184 11 2 1 Determining Pulse Characteristics 185 11 2 2 Selecting the Video Bandwidth 186 11 2 3 Avera...

Page 15: ...r 237 12 6 4 Remote Commands of the Power Meter 276 12 6 5 File Management 282 12 6 6 Making and Storing Screenshots 287 12 6 7 Configuring Data Capture 289 12 6 8 Configuring the Instrument 290 12 6...

Page 16: ...of the Vector Network Analyzer 345 13 5 1 Vector Network Analyzer Measurements 345 13 5 2 FREQ DIST Parameters 346 13 5 3 SCALE Parameters 347 13 5 4 SWEEP Parameters 347 13 5 5 FORMAT Parameters 348...

Page 17: ...Contents R S ZNH 10 User Manual 1334 5985 02 02...

Page 18: ...arted manual The online version of the user manual provides the complete contents for immediate display on the internet Basic safety instructions Contains safety instructions operating conditions and...

Page 19: ...nformation about possible applications and background information on various topics see www rohde schwarz com appnotes 1 2 Conventions Used in the Documentation 1 2 1 Typographical Conventions The fol...

Page 20: ...edures The term select may refer to any of the described methods i e using a finger on the touchscreen a mouse pointer in the display or a key on the instrument or on a key board 1 2 3 Notes on Screen...

Page 21: ...devel oped to meet demanding customer requirements Offering touchscreen input the ana lyzer enhances user experience in making measurements fast and easy This user manual contains a description of the...

Page 22: ...ns in the following sections In particular Do not open the instrument casing Risk of instrument damage due to inappropriate operating conditions Specific operating conditions are required to ensure ac...

Page 23: ...ment results Electromagnetic interference EMI may affect the measurement results To suppress generated electromagnetic interference EMI Use suitable shielded cables of high quality For example use dou...

Page 24: ...ransportation 3 1 1 2 Accessory List The instrument comes with the following accessories Power supply cable and adapter set Li ion rechargeable battery USB2 0 cable A Mini Side strap Getting Started p...

Page 25: ...cover 3 Insert the battery into the R S ZNH 4 Close the cover and screw back the thumb screws You can operate the R S ZNH with the AC adapter or the battery Both are included in the delivery 3 1 1 4 U...

Page 26: ...h 74Wh at nominal voltage of 10 80V and it allows operation at preset condition of up to 4 hours when it is fully charged The actual operation time depends on the current charged status see Figure 3 2...

Page 27: ...g an external battery charger on page 20 Using an external battery charger You can also use an external battery charger R S HA Z303 order number 1321 1328 02 to charge the battery To charge the batter...

Page 28: ...s been short circuited charge it to reset the electronics If the battery still does not work contact the Rohde Schwarz customer sup port Do not allow metallic objects to come into contact with the ter...

Page 29: ...ing the instrument is ready for operation Refer to the instrument brochure for the list of options available Press Power key to switch off the instrument Risk of losing data If a running instrument wi...

Page 30: ...tive screen area 7 Softkey labels on display 8 Softkey 9 Systems keys 10 DC port behind protective cap 11 Kensington lock 12 Function keys 13 On off key 14 Alphanumeric key 15 Unit keys 16 Back key 17...

Page 31: ...erent RF connectors are used Type N connectors for model 04 08 18 RPC 3 5 mm connectors for model 26 The RF ports serve as output for the RF stimulus signal and as input for the measured RF signals fr...

Page 32: ...nce signal It can also be configured as a BIAS port When the BNC connector is configured as a trigger input it controls the start of a mea surement The trigger mode is selected in the SWEEP menu The t...

Page 33: ...f approximately 10 USB type A connector The USB port provides the USB interface to connect a memory stick and store data sets or screenshots It can also be used to control the operation of the externa...

Page 34: ...k slot A Kensington lock can be anchored to the R S ZNH housing to secure it to a worksta tion mechanically 3 2 4 Right View 1 Min USB port 2 LAN port LAN connector RJ 45 connector to connect the inst...

Page 35: ...D card to store datasets or screenshots 3 2 6 Display Overview The display area has a touch sensitive screen the touch functionality can be turned on or off in the instrument setup menu For informatio...

Page 36: ...Never touch the screen with ball point pens or other pointed objects with sharp edges It is recommended that you operate the touchscreen by finger only As an alterna tive you may use a stylus pen with...

Page 37: ...tings 69 4 1 Screen Layout and Elements The following figure shows the screen layout in the vector network analyzer mode Screen layouts that show the different operating modes or measurements are prov...

Page 38: ...e Bar The title bar is located at the top of the screen layout It is used to display static content Basic information such as R S logo measurement mode name i e Vector Net work Analyzer Vector Voltmet...

Page 39: ...cted in the measurement result view an entry box for marker positioning is displayed in the measurement trace window Selected marker is highligh ted with a blue frame around the marker icon see Table...

Page 40: ...invalid indicator icon below the trace label indicates that the measurement is still in progress Multiple displays of measurement trace windows in VNA mode 1 Press MODE key 2 Select Network Analyzer m...

Page 41: ...02 Table 4 2 Measurement trace window combination Types of measurement trace window display Single single display Dual Hor dual horizontal display Dual Vert dual vertical display Triple triple displa...

Page 42: ...pter 8 3 1 Configuring the Horizontal Axis on page 157 Chapter 8 3 2 Configuring the Vertical Axis on page 157 and Chapter 8 4 1 Working with Traces on page 164 Parameter Description Center Start Stop...

Page 43: ...nter fering Signals on page 164 Config Overview Display the configuration overview window for more configuration options used in the measurement Configuration overview is operation mode depend ent See...

Page 44: ...ription Select MEAS to load the availa ble measurement modes S Parameters Wave Ratios to configure the desire trace format and display combination for the selected measurements See Chapter 8 2 Perform...

Page 45: ...tical Axis on page 157 Select Analysis to determine the number of measurement points trace measurement mode If AVG is configured as Average the field Avg Count is available for config uration If Smoot...

Page 46: ...hile working with the R S ZNH the instrument is able to identify the connected hardware To enable this setting 1 In the Instrument Setup dialog box select the Auto Accessory Detection item A drop down...

Page 47: ...alog box select the Internal DC Bias item A drop down menu to select the type of connector opens 2 Select the desired connector When the internal DC bias is activated the status is displayed below the...

Page 48: ...ettings necessary to configure the GPS receiver Enabling the GPS receiver 1 In the Instrument Setup dialog box select the GPS item A drop down menu opens to turn the GPS receiver on or off 2 Turn the...

Page 49: ...hat the GPS receiver is enabled and that there is a fix connection with enough satellites for the GPS receiver to provide the coordinates indicates that the GPS receiver is enabled but that there is n...

Page 50: ...the entry with the rotary knob After you have entered the time the R S ZNH verifies the validity of the time If it is not a valid time it sets to the next valid time Selecting the time zone 1 In the...

Page 51: ...uese Korean Traditional Chinese 1 In the Instrument Setup dialog box select the Language item A drop down menu opens to select the language 2 Select the desired language from the drop down menu 3 Rebo...

Page 52: ...ay depends on the intensity of the backlight To strike a balance between battery operating time and screen display quality set the backlight intensity to the minimum brightness needed To optimize the...

Page 53: ...b Black White selects monochrome display c Printer Friendly inverts the colors Adjusting the keyboard backlight 1 In the Instrument Setup dialog box select the Keyboard Backlight item 2 Enter the back...

Page 54: ...the audio output of the system Setting the key click volume The key click volume sets the volume of the sound that the R S ZNH produces when you press a key or select a softkey 1 In the Instrument Se...

Page 55: ...is beeper turns on the R S ZNH makes a sound every time it detects an overload 4 2 7 Configuring Power Supply The Current Power Source shows the source that the R S ZNH is powered by When you are usin...

Page 56: ...er For a continuous beep select Repetitive 3 Select Off to turn off the beeper Auto power up The R S ZNH allows you to auto power up the instrument when supplying with an AC power without pressing the...

Page 57: ...he R S InstrumentView software and then transfer them to the R S ZNH For more information on creating the calibra tion kit models refer to the documentation of the R S InstrumentView software pack age...

Page 58: ...box select the Reset to Factory Settings item 2 Confirm the entry with the rotary knob The R S ZNH initiates the reset procedure and shows a warning message box 3 A corresponding dialog box opens for...

Page 59: ...ctive cap on the right side of the R S ZNH You can set up the LAN connection in the Instrument Settings dialog box For a direct connection between the PC and R S ZNH the DHCP Dynamic Host Con figurati...

Page 60: ...address When both devices are in the same subnet the first three digits of the IP address are usually the same See example below Example IP address for PC 192 168 1 10 IP address for R S ZNH 192 168...

Page 61: ...trumentView software package 1 Start the R S InstrumentView software 2 Select the LAN tab in the screen layout 3 During the initial startup the IP Address field is set to default 172 17 75 1 You can e...

Page 62: ...connection 6 Select Local Area Connection for the Network Adapter 7 Confirm the entry with the OK button to add the new instrument to the connection manager list 8 Depending on the connection status i...

Page 63: ...on page 52 After setting up the R S ZNH configure the R S InstrumentView software with the assigned IP address as described in Configuring the R S InstrumentView software package on page 54 Free IP a...

Page 64: ...n connect the R S ZNH to the PC with a USB cable The mini USB interface is located behind a protective cap on the right side of the R S ZNH When you connect the R S ZNH to a computer for the first tim...

Page 65: ...the R S ZNH with various firmware options 4 4 1 Enabling Options To enable options you have to enter a key code The key code is based on the unique serial number of the R S ZNH 1 Press SETUP key 2 Se...

Page 66: ...he instrument displays a invalid key code message 6 Enter the correct code again 4 4 2 Checking Options In the Setup menu the R S ZNH shows all options that are currently installed 1 Press SETUP key 2...

Page 67: ...of the connected device including the device ID and the IP address The second area provides functionality to install and activate licenses Install Registered License Keys and Activate Licenses Follow...

Page 68: ...icense Online help icon Opens a detailed online help to the corresponding topic The second area provides hints on using the R S License Manager when you move the mouse over one of the options After yo...

Page 69: ...s the values if you enter a frequency range that is not the same as the span Calibrating the measurement For transmission measurements you have to perform a 2 port normalization e g Trans Norm P1 to g...

Page 70: ...to Port2 After finishing the calibration routine the R S ZNH highlights the Through in blue The R S ZNH is now calibrated and a norm status is displayed next to the mea surement format i e See Chapter...

Page 71: ...mission measurement Note on the following differences The basic test setup for reflection measurements involves a single DUT and ana lyzer port You connect the input of your DUT to port 1 of the R S Z...

Page 72: ...orted by the R S ZNH For a list of R S ZNH supported power sensors see the datasheet of the R S ZNH You can connect the list of supported power sensors to the USB port of the R S ZNH This connector al...

Page 73: ...d 1 Supported power sensor e g R S FSH Z1 R S NRP Z11 2 Power sensor connector DUT 3 USB binder adaptor R S FSH Z101 4 USB port connector Measuring the power 1 Press MODE key 2 Select Power Meter soft...

Page 74: ...the zeroing process 4 Wait for the zeroing process to finish After zeroing the R S ZNH displays the message Power sensor zero done and again shows the power sensor softkey menu 5 Connect the DUT to t...

Page 75: ...the direction of the power flux When measuring high powers pay strict attention to the following instructions to avoid personal injury and to prevent the power sensor from being destroyed Danger of sk...

Page 76: ...asured forward power in dBm and the SWR of the load See Figure 10 2 To get the best results you should also define the frequency of the signal For more information see Chapter 10 2 Using a Directional...

Page 77: ...re information on saving measurement results and settings see Chapter 5 8 1 Saving Datasets on page 88 For more information on recalling measurement results and settings see Chap ter 5 8 2 Restoring D...

Page 78: ...nce in the user interaction with R S ZNH special touchscreen gestures are introduced The following illustrated the list of special gestures that R S ZNH provides Change Center Frequency 71 Change Refe...

Page 79: ...the reference level or press the SCALE SCALE AMPT key on the front panel to display the Ref Level softkey label for adjustment 5 1 3 Change Span Pinch or stretch two fingers horizontally to adjust the...

Page 80: ...KER key on the front panel and select the New Marker softkey to create a marker on the spectrum measurement 5 1 5 Move Marker Tab and drag on the marker icon to change the marker position in the trace...

Page 81: ...trum measure ment Alternatively press the MARKER key on the front panel and select the Delete Marker softkey to delete all markers from the spectrum measurement 5 1 7 Hide or Unhide Measurement Result...

Page 82: ...ght direction in the trace window to preview the screenshot Alternatively select the Prev or Next softkey to preview the screenshot 5 1 9 Skip Wizard Measurement Swipe horizontally to the left directi...

Page 83: ...usage with the touchscreen input Accessing the on screen keyboard is only available for text based entry e g save or open a filename Touchscreen interface If the touchscreen interface is not activate...

Page 84: ...The screenshot key provides a quick way to capture screenshot of the current screen at anytime For more information see Chapter 5 7 Taking Screenshots on page 84 5 3 3 Softkey The six softkeys on the...

Page 85: ...e manager function to facilitate the saving and recalling of result and instrument settings 5 3 5 Function Keys Function keys provide access to the most common measurement settings and func tions in t...

Page 86: ...r Group Delay See Chapter 8 3 3 Selecting the Measurement Format on page 159 In CAT measurement mode Depending on the measure ment modes provides the different measurement formats in the following Ret...

Page 87: ...List function Provides the following marker functions In VNA measurement mode Marker mode function provides marker format of the selected trace Available format dB Mag Phase Lin Mag Phase Rho Real Ima...

Page 88: ...og box If data entry has not been started or has been completed it closes the dialog box BACK key If an alphanumeric entry has already been started this key deletes the character to the left of the cu...

Page 89: ...then loaded after pressing the PRESET key instead of the factory default 1 Press SETUP key 2 Select User Preference softkey 3 In the User Preferences dialog box select the Preset Dataset item The R S...

Page 90: ...lect one of the dialog boxes and change the settings as you like Note that the contents of the Config Overview dialog box are customized for each operating mode of the R S ZNH Therefore the order and...

Page 91: ...ataset at the same time Depending on the Capture settings configured in the User Preference menu using the screenshot key also saves a dataset in addition to the screenshot For more information see Ch...

Page 92: ...page 75 1 Press SAVE RECALL key 2 Select File Manager softkey The R S ZNH opens the file manager to select a screenshot for the preview 3 Select the screenshot for preview 4 Select Preview softkey to...

Page 93: ...g urations Thus you can subsequently reproduce the context of the measurement Using the R S InstrumentView software you can use the datasets for documentation purposes or post processed it for a more...

Page 94: ...nt menu The software opens the File Transfer dialog box 2 Select the Template Result synchronization button to process data synchro nization between the computer and instrument This data synchronizati...

Page 95: ...emaining memory on selected data storage device 2 Currently selected data storage 3 Available data storage 4 Currently folder structure of the selected data storage 5 Dataset name input field 6 On scr...

Page 96: ...h new dataset The file extension for datasets is set If you enter another name the R S ZNH uses that name and assigns a new num ber to the filename if you save the data set the next time This function...

Page 97: ...4 Select Edit softkey The R S ZNH displays a submenu for selection 5 Select Rename menu item to rename the files or file directories The R S ZNH opens an input field to change the name of the selected...

Page 98: ...the function to preview datasets The preview function allows you to take a quick look at the screenshot and its corresponding measurement set tings During preview the R S ZNH does not yet activate the...

Page 99: ...asurement settings according to the dataset See also Chapter 5 8 2 1 Previewing a Dataset on page 91 5 8 3 Deleting Datasets If you have to delete a dataset you can do so with the file manager 1 Press...

Page 100: ...The release notes include instructions on how to perform a firmware update 5 10 Installing Firmware Options You can equip the R S ZNH with several firmware options to enable additional operat ing mode...

Page 101: ...ument Functions R S ZNH 94 User Manual 1334 5985 02 02 5 Select Export to export documentation from the instrument The R S ZNH export the documentation into the selected file location Device Documenta...

Page 102: ...s in the measurement wizard For details on the individual measurements you can perform with the wizard refer to the corresponding chapters Chapter 8 Vector Network Analysis on page 146 Chapter 7 Cable...

Page 103: ...softkey The R S ZNH opens the file manager to select the measurement wizard set 3 Select the desired measurement wizard set from the file manager 4 Select Load softkey to confirm the selection The R...

Page 104: ...e measurement sequence as defined with the R S InstrumentView soft ware package The field allows you to reduce the number of individual measurements and perform only those measurements that are necess...

Page 105: ...NH software but can also change the cable model on short notice if neces sary See Chapter 7 2 1 3 Creating a Cable Model on page 124 Clear Cable Model Deactivates the currently active cable model See...

Page 106: ...ration data folder to the measurement configurations and required calibration methods in the measurement sequence If the R S ZNH has already been calibrated for a particular configuration it restores...

Page 107: ...n data on page 99 After having successfully calibrated the R S ZNH it starts to go through the mea surements that are part of the measurement wizard set The sequence of the mea surements is defined in...

Page 108: ...he R S ZNH prompts you to save measurement result and exit the wizard measurement Select Interrupt softkey The R S ZNH opens the wizard interrupt dialog box There are three selections in the wizard in...

Page 109: ...age box Select Continue softkey to proceed to the next measurement step if any Note Changing cable characteristics If necessary you can define different cable characteristics cable model and length af...

Page 110: ...ence Skip Skip a single measurement step and continue the subsequent measurement step Skipping individual measurements is possible when you turn on Allow to skip measurements and finish wizard sequenc...

Page 111: ...the measurement as defined in the wizard dialog or R S InstrumentView All result files that belong to a measurement set are stored in the same directory The directory is named after the measurement na...

Page 112: ...2 3 Select the reporting parameters checkmarks that you want to show in the report e g checkmark to show marker data 4 Select Generate button to create the report For more information on the report ge...

Page 113: ...frequency In reality however you can encounter many possible mechanical defects in the system that cause a deterioration of the transmission quality See Figure 7 1 for the typical defects in a transm...

Page 114: ...he R S ZNH hardware The signal source transmits a reference signal to the test port 1 Connect the RF cable to the RF input 2 Connect the test cable to the RF cable 3 Select the DC Bias softkey The R S...

Page 115: ...op length 13 Cable frequency information 14 Config Overview 15 CAT softkey menu Performing Cable and Antenna Measurements 108 Configuring Cable and Antenna Tests 123 Analyzing Measurement Results 134...

Page 116: ...default measurement format in the reflection measurement SWR The standing wave ratio SWR provides the ratio of the maximum and minimum AC voltages along the transmission line caused by the reflections...

Page 117: ...reflection measurement with Chapter 7 1 4 Transmission Measure ments on page 116 and have the measurements display together for easy evalua tion 1 Press MEAS key 2 Select Return Loss or Transmission...

Page 118: ...you can only see the aggregated magnitude of the reflected power in a specified frequency range To draw conclusions about which component is affected and to determine the location of the fault you nee...

Page 119: ...elete the file see Chapter 5 8 3 Deleting Datasets on page 92 7 1 2 Distance to Fault Measurements The distance to fault DTF measurement determines the exact location of possible faults in a transmiss...

Page 120: ...o cable faults with default measurement for mat 3 To change the measurement format press FORMAT key 4 Select the dB Mag or SWR softkey The R S ZNH calculates the distance to cable faults on selected m...

Page 121: ...displays the DTF configuration submenu 3 Select Split Screen softkey The R S ZNH displays the DTF measurement in the top screen window and the reflection measurement in the bottom screen window 4 Tap...

Page 122: ...an in dB The numerical result is the average cable loss over the specified span Figure 7 7 shows the typical results of a cable loss measurement with a steadily declining loss over the selected freque...

Page 123: ...g two receiving antennas or a receiving and a transmitting antenna The transmission measurement can be performed in the following measurement for mats Magnitude return loss in dB Chapter 7 1 6 Phase...

Page 124: ...orms Figure 7 8 Transmission measurement 7 1 5 Smith Chart The smith chart is a circular diagram that primarily shows the impedance or reflection characteristics of a DUT 1 Press MEAS key 2 Select Ret...

Page 125: ...the current marker posi tion R jX Shows the real and imaginary components of the impedance at the marker position The imaginary component is converted to inductance or capacitance Marker frequency and...

Page 126: ...R S ZNH opens an input field to select the reference impedance 4 Enter the reference impedance you need 7 1 6 Phase Measurement The phase measurement shows the phase characteristics of the DUT in degr...

Page 127: ...ods You will need one of the available cali bration standards R S FSH Z28 Z29 order number 1300 7810 03 1300 7610 03 or R S ZV Z121 order no 1164 0496 02 03 For a full list of supported calibration ki...

Page 128: ...e one of the fre quency parameters start stop or center frequency In that case the distribution of the measurement points is different to the distribution during calibration This could result in an in...

Page 129: ...in the test setup is not eliminated See Chapter 8 1 2 Calibration Methods on page 149 for more information on Trans Norm P1 Trans Norm P2 and Trans Norm Both User calibration After a user calibration...

Page 130: ...ts you need to specify the characteristics of the cable under test like cable model or the frequency usage range 7 2 1 Selecting the Cable Mode To determine the speed of propagation and therefore the...

Page 131: ...ar 7 2 1 2 Clear Cable Model 1 Press MEAS key 2 Select DTF Config softkey The R S ZNH displays the DTF configuration submenu 3 Select the Cable Config softkey The R S ZNH opens a submenu to select the...

Page 132: ...Select the Cable Config softkey The R S ZNH opens a submenu to select the cable model 4 Select the User Settings menu item The R S ZNH opens a submenu to specify the user settings for the cable model...

Page 133: ...F list so that only the peaks above a certain level are included in the list 1 Press MEAS key 2 Select DTF Config softkey The R S ZNH displays the DTF configuration submenu 3 Select the DTF List Thres...

Page 134: ...surement Manual Setting for span is defined manually However the maximum span that can be set depends on the maximum cable distance defined Auto The best span is automatically calculated for the best...

Page 135: ...S ZNH adjusts the frequency range according to your settings Note that the distance from start to stop frequency has to be equal to the span The R S ZNH adjusts the values if you enter a frequency ra...

Page 136: ...he FREQ DIST key 2 Select the Span softkey The R S ZNH opens an input field to specify the frequency span 3 Enter the span you require The R S ZNH sets the span you have entered Setting the displayed...

Page 137: ...the standard you selected 7 2 3 Configuring the Vertical Axis The SCALE AMPT key contains menu on settings related to the level display 7 2 3 1 Setting the Reference Value The reference value defines...

Page 138: ...ovides an automatic scaling algorithm to optimize the results display The R S ZNH does this by determining the minimum and maximum trace values and adjust the vertical axis according to these values 1...

Page 139: ...amplifiers 1 Press the SCALE AMPT key 2 Select the Port Config softkey The R S ZNH opens a submenu to configure port settings 3 Select the Port Power menu item The R S ZNH opens an input field to spec...

Page 140: ...2 Changing the Number of Measurement Points The number of measurement points defines the number of measurements performed during a sweep Thus it indirectly sets the frequencies of those measurements...

Page 141: ...e 133 7 3 1 1 Setting the Trace Mode There are two ways how the R S ZNH write the trace Average Off This is the default trace mode In this mode the trace is overwritten after each sweep Average On In...

Page 142: ...Memory Traces The R S ZNH can transfer a trace to the trace memory and also display the current trace and the trace in the trace memory for comparison The saved trace is always dis played in a lighte...

Page 143: ...sult View for further marker function using the marker softkey menu 7 3 2 1 Using Markers and Deltamarkers The R S ZNH has six markers five of which can be used as either markers or delta markers The...

Page 144: ...n your setup Figure 7 10 Screen layout with active markers 1 Measurement Result View 2 Delta marker dotted line 3 Marker solid line 4 Active marker label see highlighted line on the marker list as wel...

Page 145: ...e 73 1 Press the MARKER key 2 Select the New Marker softkey The R S ZNH activates a delta marker and positions it on the next maximum level that has been measured In addition the delta marker input fi...

Page 146: ...tings 4 Select the marker automatic position that you require The R S ZNH positions the marker accordingly The R S ZNH provides the following selections for automatic positioning of markers Set To Pe...

Page 147: ...dow to delete all markers and delta markers on the trace window See Chapter 5 1 6 Delete All Markers on page 74 1 Press the MARKER key 2 Select the Delete Marker softkey The R S ZNH opens a submenu to...

Page 148: ...ine the Upper Limit menu item the same way 9 Alternatively select the Select Marker softkey 10 Select the Selected Marker softkey The R S ZNH opens the submenu to select the search range menu items 11...

Page 149: ...for example each pixel corresponds to 0 3 dB In that case the accuracy of the display line is 0 3 dB If you enter a value with a higher reso lution the R S ZNH rounds that value See Figure 4 1 You can...

Page 150: ...he vertical axis is currently a linear one units V or W the R S ZNH automati cally switches to a logarithmic scaling after you turn on the limit line After turning on a limit line the R S ZNH checks i...

Page 151: ...Lines softkey Alternatively you can define a threshold that works like a limit line A threshold is a simple horizontal limit line 1 Press the Upper Limit or Lower Limit softkey 2 Select the Set Thresh...

Page 152: ...r each frequency sweep As long as the signal does not violate the limit line the R S ZNH shows a Pass message in the measurement diagram When one single value i e one pixel is outside of the limits th...

Page 153: ...T Although the accuracy of measurements is high in the default factory calibration the R S ZNH also provides all necessary calibration methods to correct the magnitude for these kinds of measurements...

Page 154: ...gured at 10 dBm To set a level higher than 5 dBm the Range parameter need to chagne from Leveled to Max Range 4 Alternatively set the Rcv Attn Port 1 or Rcv Attn Port 2 receiver attenuation to reduce...

Page 155: ...e results of compar ing the transmission characteristics of the test setup to the frequency response of the tracking generator The correction data for reflection measurements is based on the results o...

Page 156: ...mission normalization calibration routine requires a Through standard from both test ports Port1 to Port2 and Port2 to Port1 It is used to derive trans mission tracking error term for each direction T...

Page 157: ...ration dialog 4 Select the Ports Port1 and or Port2 to define the port assignments between the R S ZNH and the calibration unit The R S ZNH extracts the Connector type and Gender of the connector from...

Page 158: ...4 Calibration standard in process 5 Un calibratied standard 6 Softkey for calibration 10 You can randomly select any of the calibration standard Open Short Match Through at different calibration test...

Page 159: ...AS ports The DC voltage R S K10 is fed in from a suitable external power supply max 600 mA max 50 V Simultaneously display of up to four different trace measurements S Parameters Wave Ratios and forma...

Page 160: ...h matched DUT port 2 i e S21 b2 a1 if a1 0 and a2 0 S12 Reverse transmission coefficient the ratio between b1 and a2 in a forward measurement with matched DUT port 1 i e S12 b1 a2 if a2 0 and a1 0 S22...

Page 161: ...ments See also Chapter 8 2 2 Wave Measurements on page 154 A wave quantity measurement provides the power dBm of any of the transmitted or received waves The wave quantities provide the power at the r...

Page 162: ...uired for the ratios measure ment See also Chapter 8 2 2 Wave Measurements on page 154 Ratios provide the complex ratio of any combination of transmitted or received wave quantities Ratios complement...

Page 163: ...y 2 Select the required ratios measurement b1 a1 P1 b2 a1 P1 b1 a2 P2 b2 a2 P2 softkey The R S ZNH performs the selected wave measurement 3 To perform ratios measurement that is not an S matrix elemen...

Page 164: ...nfigured in the default state of the R S ZNH e g measurement on amplifiers If you are performing measurements on an amplifier you most likely have to change the scaling of the vertical axis in order t...

Page 165: ...e Port Power to transmit a suitable signal source power into the DUT Value can be adjusted from 25 dBm to 0 dBm in step of 1 dB See also Defining the output level of the test port power tracking gener...

Page 166: ...from the data The R S ZNH allows arbitrary combinations of display formats and measured quantities To extract useful information it is important to select a display format which is appropriate to the...

Page 167: ...two adjacent test points is less than 180 ON ON Unwrapped phase Unwrap the phase to expand the range of the phase ON ON Real Selects a Cartesian dia gram to display the real part of a complex mea sur...

Page 168: ...ess the FORMAT key The R S ZNH displays available formats of the measured quantity 2 Select More to display more measured quantity 3 Select the required display formats according to Table 8 1 4 The ma...

Page 169: ...the Measurement Bandwidth The measurement bandwidth determines the noise figure of the receiver Small band widths result in higher measurement dynamics for trace measurements However small bandwidths...

Page 170: ...d in via the BNC connector The switching threshold is 1 4 V i e a TTL signal level Trigger Delay When applying an external trigger a delay at the start of the measurement with respect to the trigger e...

Page 171: ...e measurement Delete Selected The selected trace measurement is deleted If the selected trace is the only trace in the measurement trace window the affected measurement trace window will be removed No...

Page 172: ...ker are displayed in the measurement result view For more information on using markers and deltamarkers see Chapter 7 3 1 1 Set ting the Trace Mode on page 134 8 4 2 2 Marker Modes In addition to the...

Page 173: ...ly activates the main marker and positions it on the maximum level that has been measured In addition the marker frequency input field opens 2 Select Set Marker softkey The R S ZNH opens a submenu to...

Page 174: ...nstrumentView software and load them into the R S ZNH via the USB or the LAN interface The number of limit lines the R S ZNH can store in its memory depends on the number of other data sets on the R S...

Page 175: ...ts of a phase controlled antenna array relative to a reference antenna with a transmission measurement Figure 9 1 Screen layout of vector voltmeter 1 Vector voltmeter measurement mode 2 Counter value...

Page 176: ...measurement Reconnect the DUT after the calibration see Table 9 1 for the recommended calibra tion methods used for S21 and S11 measurements For more information see Chapter 8 1 Calibrating Measuremen...

Page 177: ...l Setting the trace mode For more information see Chapter 8 4 1 2 Selecting the Trace Mode on page 164 Setting the sweep parameters For more information to set measurement bandwidth signal triggering...

Page 178: ...hole signal in the frequency range of the power sensor In most cases the signal shape has no effect on the measurement The power sensor measures the power in the frequency range defined in the data sh...

Page 179: ...erview icon 11 Power sensor softkey menu 10 1 1 Connecting a Power Sensor The R S ZNH controls and powers the power sensors via the USB interface on the top of the instrument See USB type A connector...

Page 180: ...the power sensor when zeroing was per formed Unscrew the power sensor from the device under test and repeat zeroing Warning Input overloaded The power at the input of the power sensor exceeds the per...

Page 181: ...550 nm 1610 nm 1625 nm for measurement 1 Select wavelength softkey The R S ZNH opens a submenu for the selection of wavelength settings 2 Select the required wavelength for measurement The R S ZNH tra...

Page 182: ...eference level you require Alternatively you can set the current level readout as the reference level 2 Select To Ref softkey The R S ZNH sets the current result as the reference level It then display...

Page 183: ...l display Activating signal source The R S ZNH provides the setting to enable or disable the built in signal source in the power meter mode Once the signal source is enabled you can output a signal so...

Page 184: ...ional Power Sensor The R S ZNH controls and powers the directional power sensors via a special inter face on the top of the instrument Connect the power sensor cable via the USB to binder adapter to t...

Page 185: ...te results you should synchronize the frequency to that of the signal Note that the R S ZNH maintains the center frequency that you have set in another operating mode In that case it uses that frequen...

Page 186: ...ng modulated signals the R S ZNH offers the possibility of taking correction values into account for several com mon telecommunications standards 1 Select Standard softkey A menu to select a standard...

Page 187: ...ahead of the power sensor In such cases the coupling attenuation of the directional coupler or the attenuation value of the attenuator are entered as positive dB values see condiion to set cable atten...

Page 188: ...eband power sensor 1 Press MODE key 2 Select Power Meter softkey The R S ZNH activates the mode for power measurements Connecting the power sensor You can connect the wideband power sensors to the USB...

Page 189: ...lative power measurements 4 Video bandwidth 5 Power offset 6 Configuring the BIAS output port 7 Scale of the x axis 8 Diagram showing the pulse characteristics in a graphical format trace display 9 Me...

Page 190: ...he beginning of one pulse to the beginning of the next pulse Pulse Off Time Time in the displayed trace that is not occupied by the pulse Rise Time Time required for the pulse to transition from the b...

Page 191: ...dia gram Trace Min Minimum power of the signal displayed in the dia gram Positive Overshoot Height of the local maximum after a rising edge divided by the pulse amplitude The result is a per centage o...

Page 192: ...the measurement result with that of a thermal power sensor Peak Assumes that the peak power of the pulse is also the top level of the pulse The top and base power is also the reference point for the...

Page 193: ...ng a small video bandwidth thus increases the measurement sensitivity and allows you to accurately determine the pulse peak power even for weak pulses Reducing the video bandwidth also increases the t...

Page 194: ...he moment when the actual measurement starts is either a rising slope in the signal or a falling slope Positive or Negative trigger 1 Press SWEEP key 2 Select Trigger softkey 3 Select either the Posit...

Page 195: ...W 1 Press SCALE AMPT key 2 Select Unit softkey 3 Select the unit you prefer The R S ZNH adjusts the y axis accordingly 11 2 6 Scaling the Y Axis For more information see Chapter 8 3 2 Configuring the...

Page 196: ...and aims at the standardization of device specific commands error handling and the status registers The tutorial Automatic Measurement Control A tutorial on SCPI and IEEE 488 2 from John M Pieper orde...

Page 197: ...rument access via VXI 11 is usually achieved from high level programming plat forms by using VISA as an intermediate abstraction layer VISA encapsulates the low level VXI 11 LAN or USB function calls...

Page 198: ...open network computing ONC remote procedure calls RPC With XDR VXI 11 legal RPC messages are known as VXI 11 standard Based on this standard messages are exchanged between the controller and the inst...

Page 199: ...strument for exclusive access This regulates access to the instrument of several controllers 12 2 Setting Up the Remote Control Connection 12 2 1 Preparing for Remote Control The short and simple oper...

Page 200: ...vi Cmd Len Cmd retCount set reference level to 10 dBm viclose vi viclose default RM The instrument now performs a sweep in the frequency range of 95 MHz to 105 MHz Changing the IP Address In order to...

Page 201: ...O GRAM MESSAGE TERMINATOR as defined in IEEE 488 2 or the interface mes sage DCL If the input buffer is full the traffic is stopped and the data received up to then are pro cessed Subsequently the tra...

Page 202: ...a set The data set management enters the new values e g frequency into the data set however only passes them on to the hardware when requested by the command recognition This only takes place at the e...

Page 203: ...E 488 2 i e it uses the same syntactic basic elements as well as the common commands defined in this standard Part of the syntax of the device responses is defined with greater restrictions than in st...

Page 204: ...ecific commands are of hierarchical structure The different levels are repre sented by combined headers Headers of the highest level root level have only one key word This key word denotes a complete...

Page 205: ...arked by square brackets in the description The full command length must be recognized by the instrument for reasons of compatibility with the SCPI standard Some commands are considerably shortened by...

Page 206: ...roke in parameter definitions indicates alternative possibilities in the sense of or The effect of the command differs depending on which parameter is used Example DISPlay FORMat SINGle SPLit If param...

Page 207: ...command Entries without suffix are interpreted like entries with the suffix 1 Optional keywords must be specified if they select a function with the suffix Example SYSTem COMMunicate SERial2 BAUD 960...

Page 208: ...be separated from the header by a white space The type of parameter required for each command and the allowed range of values are specified in the command description Numeric Values 201 Special Numer...

Page 209: ...mber NAN represents the value 9 91E37 NAN is only sent as device response This value is not defined Possible causes are the division of zero by zero the subtraction of infinite from infinite and the r...

Page 210: ...program message may consist of one or several commands It is terminated by the program message terminator which is the NL New Line character for LAN and USB connections Several commands in a program m...

Page 211: ...onses to Queries A query is defined for each setting command unless explicitly specified otherwise It is formed by adding a question mark to the associated setting command According to SCPI the respon...

Page 212: ...should be terminated before other commands can be executed WAI Stops further command process ing until all commands sent before WAI have been executed Sending WAI directly after the command whose pro...

Page 213: ...implemented in the basic unit For the other modes the corresponding options are required Following the remote control commands required to perform specific measurements you can find a description of g...

Page 214: ...TRG 209 TST 209 WAI 209 CLS Clear status Sets the status byte STB the standard event register ESR and the EVENt part of the QUEStionable and the OPERation registers to zero The command does not alter...

Page 215: ...te Sets bit 0 in the event status register when all preceding commands have been execu ted This bit can be used to initiate a service request The query writes a 1 into the output buffer when all prece...

Page 216: ...t is always 0 Range 0 to 255 STB Status byte query Reads the contents of the status byte in decimal form Usage Query only TRG Trigger Triggers all actions waiting for a trigger event In particular TRG...

Page 217: ...Deltamarkers 223 Configuring and Using Measurement Functions 224 12 6 2 1 Configuring the Horizontal Axis Commands independent of the operating mode Note that some of the commands for configuring the...

Page 218: ...DISPlay 1 2 MLINear REFerence on page 214 DISPlay 1 2 MLINear REFerence POSition on page 214 DISPlay 1 2 MLINear Y SCALe on page 215 DISPlay 1 2 LOSS REFerence on page 242 DISPlay 1 2 LOSS REFerence...

Page 219: ...ns to 1000 ns Example DISP GDEL REF 20 Sets the reference level to 20 nanoseconds DISPlay 1 2 GDELay REFerence POSition RefPosition This command defines the position of the reference value on the disp...

Page 220: ...RefLevel Numeric value of the reference level RST 0 dB Default unit dB Example DISP IMAG REF 10 Defines a reference level of 10 dB DISPlay 1 2 IMAGinary REFerence POSition RefPosition This command def...

Page 221: ...mand defines the reference value for the linear scale of the magnitude mea surement format The numeric suffix at DISPlay is irrelevant for this command Suffix 1 2 1 2 Parameters RefLevel Numeric value...

Page 222: ...the display range to 10 RST 100 dB Default unit dB Example DISP MLIN Y SCAL 50 DB Defines a display range of 50 dB DISPlay 1 2 REAL REFerence RefLevel This command defines the reference value for the...

Page 223: ...layRange Numeric value of the display range The number you enter is rounded up to the next possible display range For example if you enter 9 the R S ZNH automatically sets the display range to 10 RST...

Page 224: ...this coupling The R S ZNH adjusts the reference level if it cannot be set for the current RF attenua tion Suffix 1 2 1 2 RF port selection Default selection at 1 Parameters Attenuation Range 0 dB to 4...

Page 225: ...ands control the actual measurement process List of commands WAI on page 209 ABORt on page 218 INITiate IMMediate on page 219 INITiate CONTinuous on page 219 SENSe SWEep COUNt on page 219 SENSe SWEep...

Page 226: ...ement never ends This command is an event and therefore has no query and no RST value Example INIT CONT OFF DISP WIND TRAC MODE AVER Turns on single sweep mode and trace averaging INIT WAI Starts the...

Page 227: ...SweepTime This command defines the sweep time If you set a sweep time with this command the R S ZNH decouples the sweep time from the span and the resolution and video bandwidths Parameters SweepTime...

Page 228: ...s the trigger source Parameters TriggerSource IMMediate EXTernal VIDeo IQPower GATed IMMediate Selects Free Run measurements EXTernal Selects an external trigger VIDeo Selects the video trigger IQPowe...

Page 229: ...nges the diagrams in the screen leaving the diagram contents unchanged Parameters LayoutMode SINGle DHORizontal DVERtical TRIPle QUADruple SINGle One measurement trace window is displayed DHORizontal...

Page 230: ...l the operation of marker delta markers and marker functions List of commands CALCulate 1 2 DELTamarker 1 6 STATe on page 254 CALCulate 1 2 DELTamarker 1 6 AOFF on page 254 CALCulate 1 2 DELTamarker 1...

Page 231: ...ction of marker Parameters State ON OFF Example CALC MARK1 COUP ON Activates marker 1 as the coupling marker on the measurement traces Marker Functions The following commands perform various kinds of...

Page 232: ...ting the Measurement 226 Selecting the Result Display 229 Selecting the Measurement Format 230 Selecting the Measurement Format 232 Configuring the Vector Voltmeter 234 Selecting the Measurement Port...

Page 233: ...Selects the spectrum measurement TRANsmission Selects the transmission measurement S21 S12 depending on MEASurement 1 2 PORT on page 225 LOSS Selects the cable loss measurement RST REFLection Example...

Page 234: ...Suffix 1 2 1 2 Parameters Return values NORMalized APPRoximate NORMalized Full factory or user calibration APPRoximate Approximate calibration measurement uncertainty must be anticipated Example CAL S...

Page 235: ...S11easy Easy 1 Port calibration Port 1 For R S ZPH S11Opennorm Refl Norm Open calibration type on port 1 S22Opennorm Refl Norm Open calibration type on port 2 F2POpennorm Refl Norm Open calibration ty...

Page 236: ...ifferent error terms depend ing on the current calibration method Each term contains one complex value real and imaginary part for each sweep point The parameter must be transferred in full length DIR...

Page 237: ...A1 A2 at port 1 or port 2 B1P1 B1P2 B2P1 B2P2 Wave quality measurement of outgoing wave B1 B2 at port 1 or port 2 Denominator S11 S12 S21 S22 A1P1 A1P2 B1P1 B1P2 A2P2 A2P1 B2P2 B2P1 Selection of resul...

Page 238: ...ement format The numeric suffix at DISPlay is irrelevant for this command Suffix 1 2 1 2 Parameters ApertureStep Numeric value in the range from 1 to 630 RST 10 MEASurement 1 2 FORMat MeasFormat This...

Page 239: ...RST MAGNitdue Example MEAS FORM SMIT Displays the reflection in a Smith Chart Selecting the Measurement Format The following commands select the measurement format List of commands CALCulate 1 2 TRACe...

Page 240: ...sFormat This command selects the measurement format The numeric suffix at MEASurement is irrelevant for this command Suffix 1 2 1 2 Parameters MeasFormat MAGNitude PHASe MPHase VSWR REFLection SMITh L...

Page 241: ...ake effect only if R S ZNH K45 is installed on the R S ZNH List of commands CALCulate 1 2 VVMeter MAGNitude REFerence 234 CALCulate 1 2 VVMeter MAGNitude RESult 235 CALCulate 1 2 VVMeter PHASe REFeren...

Page 242: ...reference value with CALCulate 1 2 VVMeter REFerence STATe The numeric suffix at CALCulate is irrelevant for this command Suffix 1 2 1 2 Example CALC VVM PHAS REF Queries the reference value for the p...

Page 243: ...e reflection Usage Query only CALCulate 1 2 VVMeter REFLection RESult This command queries the reflection measurement results The numeric suffix at CALCulate is irrelevant for this command Suffix 1 2...

Page 244: ...8 Using Markers and Deltamarkers 253 Configuring and Using Measurement Functions 264 12 6 3 1 Configuring the Horizontal Axis The following commands configure the horizontal frequency axis of the acti...

Page 245: ...ncy step size Parameters Stepsize Range 1 Hz to fmax RST AUTO 0 1 SPAN is switched on Default unit MHz Example FREQ CENT STEP 120MHz Defines a CF step size of 120 MHz SENSe FREQuency CENTer STEP LINK...

Page 246: ...e automatic span determination SENSe FREQuency SPAN FULL This command restores the full span This command is an event and therefore has no query and no RST value Example FREQ SPAN FULL Restores full s...

Page 247: ...ings of the DTF measurement are independent When you change the frequency or span in the DTF measure ment they do not change in the other VNA measurements reflection transmission and cable loss RST ON...

Page 248: ...he list in the respective section List of commands DISPlay 1 2 WINDow TRACe 1 2 Y SCALe ADJust 241 DISPlay 1 2 IMPedance REFerence POSition 242 DISPlay 1 2 LOSS REFerence 242 DISPlay 1 2 LOSS REFerenc...

Page 249: ...POS 75 OHM Sets the reference impedance to 75 Ohm DISPlay 1 2 LOSS REFerence RefLevel This command defines the reference level for the cable loss measurement format The numeric suffix at DISPlay is ir...

Page 250: ...e DISP LOSS Y SCAL 20 Defines a display range of 20 dB DISPlay 1 2 MAGNitude REFerence RefLevel This command defines the reference value for the magnitude measurement format The numeric suffix at DISP...

Page 251: ...uffix 1 2 1 2 Parameters DisplayRange Numeric value in the range from 1 dB to 150 dB The number you enter is rounded up to the next possible display range For example if you enter 9 the R S ZNH automa...

Page 252: ...rmat Each step shifts the reference position one grid line up or down The numeric suffix at DISPlay is irrelevant for this command Suffix 1 2 1 2 Parameters RefPosition Numeric value in the range from...

Page 253: ...r this command Suffix 1 2 1 2 Parameters DisplayRange Numeric value in the range from 1 0 to 70 RST 1 0 Example DISP VSWR Y SCAL MIN 3 Defines a bottom value of 3 for the vertical axis DISPlay 1 2 VSW...

Page 254: ...utLevel Range 0 to 40 RST 0 Default unit DB Example SOUR TG ATT 40 Sets the attenuation to 40 dB and therefore an output level of 40 dBm 12 6 3 3 Setting the Bandwidth The following commands configure...

Page 255: ...248 INITiate CONTinuous State This command selects the sweep mode Parameters State ON OFF ON Selects continuous sweeps OFF Selects single sweep RST ON Example INIT CONT OFF Turns on single sweep mode...

Page 256: ...race of the R S ZNH This command is an event and therefore has no query and no RST value The numeric suffix at CALCulate and MEMory are irrelevant for this command The numeric suffix at MATH selects t...

Page 257: ...can turn off the trace with DISPlay 1 2 WINDow TRACe 1 2 STATe For more information see chapter Trace Mode Example SWE CONT OFF SWE COUN 16 Turn on single sweep mode and sets the number of measure me...

Page 258: ...data Parameters TransferOrder NORMal SWAPped NORMal The most significant byte is transferred first big endian SWAPped The least significant byte is transferred first little endian RST SWAPped Example...

Page 259: ...evant for this command Suffix 1 2 1 2 Parameters State ON The aperture size is set auto OFF The aperture size is set manual Example MEAS ISUP APER AUTO The aperture size is set auto UNIT 1 2 LENGth Le...

Page 260: ...corresponds to one pixel of a trace The unit depends on the measurement and the unit you have set with UNIT 1 2 POWer Note If you use the auto peak detector the command reads out positive peak values...

Page 261: ...is as delta marker 2 because the first marker has to be a normal marker If more than one normal marker 2 to 6 is already active the command turns these markers into delta markers If no delta marker is...

Page 262: ...LT2 MAX NEXT Moves delta marker 2 to the next smaller maximum peak Usage Event CALCulate 1 2 DELTamarker 1 6 MINimum PEAK This command positions a delta marker on the current trace minimum If necessar...

Page 263: ...ts the deltamarker Parameters FrequencyOrTime Defines the distance of the marker to the reference marker Range Depends on the current scaling of the horizontal axis Default unit GHz Example CALC DELT3...

Page 264: ...and turns these delta markers into normal markers The numeric suffix at CALCulate is irrelevant for this command The numeric suffix at MARKer selects the marker Parameters State ON OFF RST OFF Example...

Page 265: ...T This command positions a marker on the next smaller trace maximum If necessary the corresponding marker is activated first This command is an event and therefore has no RST value and no query The nu...

Page 266: ...rdized impedance in complex format real imaginary NORMal normal marker RPDB reflection coefficient in complex format magnitude dB phase RPL reflection coefficient in complex format magnitude lin phase...

Page 267: ...k with command CALCulate 1 2 MARKer 1 6 MAXimum PEAK on page 258 sets the marker only at the peak of the trace within the search limit The numeric suffix at CALCulate is irrelevant for this command Th...

Page 268: ...fix at MARKer selects the marker The numeric suffix at SLIMits selects the limit line Parameters SearchLimit Sets the right marker search limit The unit depends on the measurement e g Hz for measure m...

Page 269: ...ZOOM AREA STATe 262 DISPlay 1 2 ZOOM FACTor 263 DISPlay 1 2 ZOOM X 263 DISPlay 1 2 ZOOM Y 263 DISPlay 1 2 IMPedance REFerence POSition RefPosition This command sets the reference impedance for the sm...

Page 270: ...tor to 4 DISPlay 1 2 ZOOM X XShiftFactor This command shifts the zoom window horizontally in the Smith chart 0 marks the center on the horizontal axis The numeric suffix at DISPlay selects the measure...

Page 271: ...nts on page 248 Selecting the Measurement Port 264 Selecting the Cable Characteristics 264 Selecting the Measurement Mode 265 Selecting and Reading the Measurement 266 Calibrating the Measurement 270...

Page 272: ...is command selects the cable model The numeric suffix at CALCulate is irrelevant for this command Suffix 1 2 1 2 Parameters CableModel String containing the filename of the cable model Example CALC DT...

Page 273: ...e Measurement The following commands select the measurement format and query various measure ment results in CAT mode List of commands CALCulate 1 2 TRACe VSWR MAX STATe 266 MEASurement 1 2 FORMat 267...

Page 274: ...rs MeasFormat MAGNitude PHASe MPHase VSWR REFLection SMITh LOSS GDELay VVMeter MLINear REAL IMAGinary POLar MAGNitude Selects the magnitude measurement format PHASe Selects the phase measurement forma...

Page 275: ...a query and therefore has no RST value Suffix 1 2 1 2 Parameters Return values ElLength Numerical value in mm Example CALC TRAC CABL LENG RES Queries the measurement result of the electrical cable len...

Page 276: ...x 1 2 1 2 Parameters Return values 0 1 0 Limit check fail 1 Limit check pass Example CALC TRAC LIM VSWR FAIL Queries the results of the limit check Usage Query only CALCulate 1 2 TRACe VSWR AVG RESult...

Page 277: ...ibrating the Measurement The following commands control calibration of cable measurements List of commands CALibration 1 2 ABORt 270 CALibration 1 2 ATTenuation STATus 270 CALibration 1 2 CONTinue 271...

Page 278: ...the command has been sent it returns instructions on what to do to continue the calibration process and finish it successfully The numeric suffix at CALibration is irrelevant for this command This co...

Page 279: ...PNorm S11easy S11Opennorm S22Opennorm F2POpennorm S11Shortnorm S22Shortnorm F2PShortnorm TOSMcal UOSMcal S11Cal Refl OSM calibration type on port 1 S22Cal Refl OSM calibration type on port 2 S12Norm T...

Page 280: ...ant for this command This command is a query and therefore has no RST value Suffix 1 2 1 2 Parameters Return values NORMalized APPRoximate NORMalized Full factory or user calibration APPRoximate Appro...

Page 281: ...suffix at CALibration is irrelevant for this command This command is a query and therefore has no RST value Suffix 1 2 1 2 Parameters Return values DTFListEntries Example CALC TRAN DTF PEAK COUN Z Que...

Page 282: ...s the threshold for the DTF list All values that exceed the threshold are in the DTF list You can query the list with CALCulate 1 2 TRANsform DTFault PEAK DATA 1 10 on page 274 The numeric suffix at C...

Page 283: ...mands take effect only if a power sensor is connected Setting the Frequency 276 Setting the Wavelength 277 Configuring Power Level Readout 277 Defining the Measurement Time 279 Zeroing of the Power Se...

Page 284: ...es commands that configure the power level readout List of commands CALCulate 1 2 PMETer RELative MAGNitude 277 CALCulate 1 2 PMETer RELative MAGNitude AUTO 277 CALCulate 1 2 PMETer RELative MAGNitude...

Page 285: ...FSH Z1 R S FSH Z18 and USB power sensors Unit 1 Power unit Unit 2 Not available Table 12 5 Power measurement with R S FSH Z14 and R S FSH Z44 Unit 1 Forward power Unit 2 Reflected power Suffix 1 2 1 2...

Page 286: ...5 Zeroing of the Power Sensor The following chapter describes commands to perform zeroing of the power sensor List of commands CALibration 1 2 PMETer ZERO AUTO 279 CALibration 1 2 PMETer ZERO AUTO ON...

Page 287: ...llowing commands for more information about these conditions SENSe PMETer DETector FUNCtion on page 280 CALCulate 1 2 PMETer PRESet STATe on page 281 CALCulate 1 2 PMETer PRESet SELect on page 281 Lis...

Page 288: ...electing a Telecommunication Standard These commands apply radio communication standards to measurements with the power sensor Note that the selection of a standard is available only for the power sen...

Page 289: ...MMEMory FILE TIME 285 MMEMory INIT 285 MMEMory LOAD STATe 285 MMEMory MDIRectory 286 MMEMory MOVE 286 MMEMory RDIRectory 286 MMEMory STORe STATe 286 SYSTem SET LOCK 287 SYSTem SET UNLock 287 MMEMory...

Page 290: ...taining the path and name of the destination file Example MMEM COPY Public Standards cdmaOne obwstd USB cdmaOne std Copies the cdmaOne standard file to a memory stick Usage Setting only MMEMory DATA T...

Page 291: ...tfile txt Transfers the contents of the file Testfile txt to the control com puter MMEMory DELete File This command deletes a file Parameters File String containing the path and filename of the file t...

Page 292: ...onds Range 0 to 59 Example MMEM FILE TIME Public Screen Shots Screen0006 png 11 04 00 Sets the time to 11 04 00 MMEMory INIT DriveName This command formats the indicated drive Note Formatting deletes...

Page 293: ...on String containing the path and name of the destination file Example MMEM MOVE Public Screen Shots Screen0002 png Public Screen Shots Screen0001 png Renames Screen0002 png to Screen0001 png MMEM MOV...

Page 294: ...et Parameters arg0 String containing the path and name of the dataset Example SYST SET UNL Dataset001 set Removes write protection from the file Dataset001 set 12 6 6 Making and Storing Screenshots Th...

Page 295: ...ontent in png format and stores it on the R S ZNH internal memory You can select a filename for the screenshot in png format with MMEMory NAME on page 288 and select the file format of the screenshot...

Page 296: ...r This command defines the start of the filename counter The counter numbers the files stored when you capture data screenshots datasets etc Parameters CaptureCounter String containing the number with...

Page 297: ...RST ON Example SYST CAPT SCR ON Includes screenshots into the data capture 12 6 8 Configuring the Instrument The following commands configure general instrument settings These commands are independent...

Page 298: ...r ADEModulation Analog modulation DDEMod Digital modulation RECeiver Receiver MAPS Map ACT Cable and antenna analyzer VNA Vector network analyzer VVM Vector voltmeter RST SAN Example INST SAN Selects...

Page 299: ...eries the altitude of the current position of the R S ZNH Example SYST POS ALT Return value would be for example 554 1 Usage Query only SYSTem POSition GPS CONNected This command queries if the R S ZN...

Page 300: ...NH and a GPS signal transmitter is established Parameters State ON OFF RST OFF Example SYST POS GPS ON Activates the GPS receiver SYSTem POSition LATitude This command queries the latitude of the curr...

Page 301: ...command sets the brightness of the display backlight The numeric suffix at DISPlay is irrelevant for this command Suffix 1 2 1 2 Parameters Brightness Range 0 01 to 1 RST 0 5 Example DISP BRIG 0 80 S...

Page 302: ...splay date format The numeric suffix at DISPlay is irrelevant for this command Suffix 1 2 1 2 Parameters DateFormat DDMMyyyy MMDDyyyy RST DDMMyyyy Example DISP DATE FORM DDMMyyyy 12 6 8 4 Audio Settin...

Page 303: ...KEY VOLume Volume This command sets the volume of the keyboard click noise Parameters Volume Range 0 to 1 RST 0 3 Example SYST BEEP KEY VOL 0 10 Sets of keyboard clicking volume to 10 12 6 8 5 Setting...

Page 304: ...55 255 0 Example SYST COMM LAN SUBM 255 255 255 0 Sets the subnet mask address to 255 255 255 0 SYSTem COMMunicate SOCKet ADDRess IPAddress This command sets the IP address of the R S ZNH Parameters I...

Page 305: ...ERRor NEXT 300 SYSTem ERRor ALL 300 SYSTem ERRor CODE NEXT 300 SYSTem ERRor CODE ALL 301 SYSTem ERRor COUNt 301 SYSTem FORMat IDENt 301 SYSTem HELP HEADers 301 SYSTem HELP SYNTax 301 SYSTem LANGuage 3...

Page 306: ...XT Activates external source as reference signal SYSTem ACCessory Accessory This command queries the type of measurement accessory if one is connected to the R S ZNH for example a power sensor Paramet...

Page 307: ...ST DATE 2000 6 1 Sets the date to 1 6 2000 SYSTem ERRor NEXT This command queries the oldest entry in the error queue and deletes it This command is a query and therefore has no RST value Example STAT...

Page 308: ...ntended for re use of existing control programs together with the R S ZNH Parameters Format LEGacy NEW LEGacy Format that is compatible to the older R S ZNH version NEW Format that is compatible to th...

Page 309: ...rs Language String containing the language Example SYST LANG english Sets the system language to English SYSTem LANGuage CATalog This command lists all languages available for the user interface This...

Page 310: ...SYST PRES FACT Resets the R S ZNH to its factory settings Usage Event SYSTem PRESet MODE Mode This command selects the preset mode Parameters Mode DEFault USER DEFault Default preset state USER User d...

Page 311: ...ator has to be set to EOI to ensure reliable transfer of data setting SYST COMM GPIB RTER EOI Parameters arg0 block_data Example SYST SET SYSTem SHUTdown This command turns the R S ZNH off This comman...

Page 312: ...e defined by SCPI and contain detailed information on the instrument The output buffer contains the messages the instrument returns to the controller It is not part of the status reporting system but...

Page 313: ...e detector When a bit of the CONDi tion part is changed from 1 to 0 the associated NTR bit decides whether the EVENt bit is set to 1 NTR Bit 1 the EVENt bit is set NTR Bit 0 the EVENt bit is not set T...

Page 314: ...ed from the EVENt and ENABle part for each register The result is then entered into a bit of the CONDition part of the higher order register The instrument automatically generates the sum bit for each...

Page 315: ...ure is that bit six acts as the sum bit of the remaining bits of the status byte The STATUS BYTE is read using the command STB or a serial poll The STB is linked to the SRE The latter corresponds to t...

Page 316: ...one of the bits in the event status register is set and enabled in the event status enable register Setting of this bit indicates a serious error which can be specified in greater detail by polling t...

Page 317: ...is received which is undefined or syntactically incorrect An error message with a number between 100 and 200 which denotes the error in greater detail is entered into the error queue 6 Not used 7 Powe...

Page 318: ...ALibration The bit is set if a measurement is performed unaligned label UNCAL 11 to 14 Not used 15 This bit is always 0 STATus QUEStionable FREQuency Register This register contains information about...

Page 319: ...esults exceeding or falling short of expected values It can be read using the commands STATus QUEStionable SYNC CONDition and STATus QUEStionable SYNC EVENt 12 6 9 5 Application of the Status Reportin...

Page 320: ...o SCPI or IEEE 488 2 The VISUAL BASIC command for executing a serial poll is IBRSP Serial poll is mainly used to obtain a fast overview of the state of several instruments connected to the controller...

Page 321: ...ected Device Clear RST or SYS Tem PRE Set STA Tus PRESet CLS Effect 0 1 Clear STB ESR yes yes Clear SRE ESE yes Clear PPE yes Clear EVENt parts of the registers yes yes Clear ENABle parts of all OPERa...

Page 322: ...us QUEStionable LIMit CONDition 318 STATus QUEStionable POWer CONDition 318 STATus QUEStionable ENABle 318 STATus QUEStionable FREQuency ENABle 318 STATus QUEStionable LIMit ENABle 318 STATus QUEStion...

Page 323: ...on register The command does not delete the contents of the EVENt section Usage Query only STATus OPERation ENABle DecimalValue This command controls the ENABle part of the OPERation register The ENAB...

Page 324: ...y STATus QUEStionable FREQuency EVENt This command reads out the EVENt section of the QUEStionable register The command at the same time deletes the contents of the EVENt section Usage Query only STAT...

Page 325: ...ble register The ENABle part allows true conditions in the EVENt part of the status register to be reported in the summary bit If a bit is 1 in the enable register and its associated event bit transit...

Page 326: ...This command controls the Negative TRansition part of the QUEStionable register Setting a bit causes a 1 to 0 transition in the corresponding bit of the associated regis ter The transition also write...

Page 327: ...of the associated regis ter The transition also writes a 1 into the associated bit of the corresponding EVENt register Parameters DecimalValue Range 0 to 65535 STATus QUEStionable FREQuency PTRansitio...

Page 328: ...d control the Positive TRansition part of the QUEStionable register Setting a bit causes a 0 to 1 transition in the corresponding bit of the associated regis ter The transition also writes a 1 into th...

Page 329: ...13 1 General Functions General R S ZNH Setup 322 File Management 328 Operating Mode Selection 329 13 1 1 General R S ZNH Setup R S ZNH options 1 only available with R S ZNH K10 2 only available with...

Page 330: ...op Freq Center Freq Span Span Mode Auto Manual Cable Cable Model Mark Edit Preview Load Refresh Exit User Model Yes No Frequency Velocity Factor Loss Amplitude Port Power Range Leveled Maximum Rcv Att...

Page 331: ...P1 b2 a1 P1 b1 a2 P2 b2 a2 P2 3Wave a1 P1 b1 P1 b2 P1 a2 P2 b2 P2 b1 P2 DISPLAY Single Split Hor Split Vert Triple Quad FORMAT dB Mag Phase Smith Phase Unwr SWR Lin Mag Real Imag Polar Group Delay AP...

Page 332: ...ode Trace S11 S21 Stimulus Center Freq Span Amplitude Port Power Attenuation Analysis AVG ON OFF Avg Count Instrument Setup Hardware Auto Accessory Detec tion On Off Detected Accessory BNC Trigger Inp...

Page 333: ...Traditional Chinese Date Format dd mm yyyy mm dd yyyy Length Unit Feet Meter Display Display Backlight 0 100 Display Color Scheme Color Black White Printer Friendly Keyboard Backlight 0 100 Keyboard...

Page 334: ...tory Settings Factory Reset User Preference Site Name Site Name User Name Comments Preset Key Preset Mode User Defined Default Preset Dataset Discard Calibration Data On Off Working Directory User wor...

Page 335: ...ontboard Part Number Frontboard Revision Frontboard Serial Num ber Controller Version Software Software Version Software Version Postfix Installed Options Option Administration Device ID Install Optio...

Page 336: ...ce Export Save On screen KB see Chapter 5 2 On screen Keyboard on page 76 Exit File Manager Mark Edit Rename Cut Copy Paste Delete Preview Prev Next Exit Load Refresh Exit 13 1 3 Operating Mode Select...

Page 337: ...ter This section contains all softkeys and menus that are available in power meter mode Power Meter Measurements 330 Frequency Parameters 333 SCALE Parameters 334 Sweep Configuration 335 Limits Line P...

Page 338: ...plays Channel Directional Power Meter with R S FSH Z14 R S FZH Z44 The directional power meter is available only if you have installed option R S ZNH K9 Softkey Menu or Dialog items Parameters Paramet...

Page 339: ...Power Measurement with ODM UPM 100 Softkey Menu or Dialog items Parameters Parameters selection Wavelength Unit dBm dB V W dB Rel To Ref Pulse Power Measurement The pulse power measurement is availab...

Page 340: ...to Default Related to Power Related to Voltage 13 2 2 Frequency Parameters The FREQ DIST key opens a menu that contains the functionality to set the fre quency Table 13 3 Optic Power Measurement Softk...

Page 341: ...unctionality to configure level parameters Table 13 5 Power Meter Directional Power Meter Channel Power Meter Softkey Menu or Dialog items Parameters Parameters selection Unit dBm W dB Rel Offset Tran...

Page 342: ...able 13 8 Pulse Power Measurement Softkey Menu or Dialog items Parameters Parameters selection Trace Time 52 us to 1 s Conf Meas Single Meas Trigger Free Run Positive Negative Trigger Level 30 to 20 d...

Page 343: ...on Trace Mode Clear Write Average Detector Average Max Peak Show Enable Trace 2 Enable Memory 1 Enable Memory 2 Trace Memory 13 2 7 Marker Parameters The MARKER key opens a menu that contains function...

Page 344: ...ment WIZARD Measurement Wizard 337 13 3 1 Measurement Wizard The WIZARD key opens a menu that contains the functionality to perform wizard measurement Softkey Menu or Dialog items Parameters Parameter...

Page 345: ...nish Wizard Cancel Interrupt Leave Menu1 Resume Sequence Cancel Skip Continue Interrupt Skip Finish Wizard Cancel Finish Wizard Cancel Yes No Finish Wizard Cancel Yes Save Result Discard Result No Mea...

Page 346: ...Copy Paste Delete Preview Prev Next Exit Refresh Exit Exit 1Press WIZARD key to resume back the wizard measurement 13 4 Functions of the Cable Antenna This section contains all softkeys and menus that...

Page 347: ...ntinue Continue Cancel Cancel Transmission Trans RL Trans DTF DTF Config Cable Config Cable Model User Model User Settings Frequency Velocity Factor Loss Clear Model Split Screen DTF List DTF List Thr...

Page 348: ...Start Stop Center Span Signal Standard Select Downlink Mark Edit Preview Load Refresh Exit Select Uplink Mark Edit Preview Load Refresh Exit Set to Downlink Set to Uplink Set to Uplink Downlink 13 4...

Page 349: ...functionality to set the sweep Softkey Menu or Dialog items Parameters Parameters selection Number of Points Hold Meas BW Frequency Single Sweep Continuous Sweep 13 4 5 FORMAT Parameters The FORMAT ke...

Page 350: ...Select Trace Trace Math Off Trace Memory Memory Trace 13 4 7 Limits Line Parameters The LINES key opens a menu that contains functionality to configure the limits line Softkey Menu or Dialog items Par...

Page 351: ...ype Delete Marker Delete Selected Delete All Data Delete All Select Marker Marker Mode Normal dB Magn Phase Lin Magn Phase Rho Real Imag R jX G jB SWR Delay Set Marker View List Search Range Search Ra...

Page 352: ...13 5 Functions of the Vector Network Analyzer This section contains all softkeys and menus that are available in the measurement Vector Network Analyzer Vector Network Analyzer Measurements 345 FREQ...

Page 353: ...or a1 b1 a2 b2 Driving Port Port 1 Port 2 Back Back 1Wave a1 b1 a2 b2 Driving Port Port 1 Port 2 Back Back 1 Available only with R S ZNH K66 13 5 2 FREQ DIST Parameters The FREQ DIST key opens a menu...

Page 354: ...Parameters The SCALE AMPT key opens a menu that contains the functionality to set the verti cal axis of the measurement diagram Softkey Menu or Dialog items Parameters Parameters selection Auto Scale...

Page 355: ...elay Single Sweep Continuous Sweep 13 5 5 FORMAT Parameters The FORMAT key opens a menu that contains the functionality to set the measure ment format Softkey Menu or Dialog items Parameters Parameter...

Page 356: ...ure Auto Aperture Manual Memory Show Memory Memory 1 Memory 2 Memory 3 Memory 4 Trace Memory Select Trace Trace Math Off Trace Memory Trace Memory Select Trace Display Single Dual Hor Dual Vert Triple...

Page 357: ...ace Auto Beep 13 5 8 MARKER Parameters The MARKER key opens a menu that contains the functionality to set the marker Softkey Menu or Dialog items Parameters Parameters selection New Marker Clear Write...

Page 358: ...2 Select Marker Exit Set To Peak Set To Next Peak Set To Minimum All Marker To Peak 13 5 9 CAL Parameters The CAL key opens a menu that contains the functionality to calibrate the instrument Softkey...

Page 359: ...13 6 2 FREQ DIST Parameters The FREQ DIST key opens a menu that contains the functionality to set the center frequency Softkey Menu or Dialog items Parameters Parameters selection Center 13 6 3 SCALE...

Page 360: ...menu that contains the functionality to set the trace Softkey Menu or Dialog items Parameters Parameters selection Trace Mode Average Off Average On 13 6 6 CAL Parameters The CAL key opens a menu that...

Page 361: ...39 SENSe FREQuency STARt 239 SENSe FREQuency STOP 239 SENSe PMETer DETector FUNCtion 280 SENSe PMETer FREQuency 276 SENSe PMETer MTIMe 279 SENSe PMETer WAVelength 277 SENSe ROSCillator SOURce 299 SENS...

Page 362: ...1 2 PMETer PRESet SELect 281 CALCulate 1 2 PMETer PRESet STATe 281 CALCulate 1 2 PMETer RELative MAGNitude 277 CALCulate 1 2 PMETer RELative MAGNitude AUTO 277 CALCulate 1 2 PMETer RELative MAGNitude...

Page 363: ...2 IMPedance REFerence POSition 242 DISPlay 1 2 IMPedance REFerence POSition 262 DISPlay 1 2 LOSS REFerence 242 DISPlay 1 2 LOSS REFerence POSition 242 DISPlay 1 2 LOSS Y SCALe 243 DISPlay 1 2 MAGNitud...

Page 364: ...Mat 267 MEASurement 1 2 FUNCtion SELect 230 MEASurement 1 2 ISUP 251 MEASurement 1 2 ISUP APER 251 MEASurement 1 2 ISUP APER AUTO 252 MEASurement 1 2 MODE 225 MEASurement 1 2 MODE 265 MEASurement 1 2...

Page 365: ...n 321 STATus QUEStionable POWer EVENt 317 STATus QUEStionable PTRansition 320 STATus QUEStionable EVENt 317 STATus QUEue NEXT 316 SYSTem ACCessory 299 SYSTem ACCessory AUTO 299 SYSTem AUDio VOLume 295...

Page 366: ...293 SYSTem POSition VALid 293 SYSTem POWer SOURce 302 SYSTem POWer STATus 302 SYSTem PRESet 303 SYSTem PRESet FACTory 303 SYSTem PRESet MODE 303 SYSTem PRESet USER 303 SYSTem REBoot 303 SYSTem SET 304...

Page 367: ...model 49 Center frequency 173 178 Clear status Remote 207 Command sequence Remote 209 Command Sequence and Command Synchronization 205 Common Commands 207 Configuring Cable and antenna tests 123 Confi...

Page 368: ...O On screen keyboard 76 Open source acknowledgment OSA 12 Operation complete Remote 208 Options 58 93 Checking options 59 Enabling options 58 Identification remote 208 Managing options with R S Licen...

Page 369: ...tatus Enable Register ESE 305 Overview of the Status Register 305 Reset Values of the Status Reporting System 305 Status Byte STB Service Request Enable Register SRE 305 Structure of an SCPI Status Re...

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