Tektronix RSA6120A series Quick Start User Manual

Tektronix RSA6120A series Quick Start User Manual

Real-time spectrum analyzers
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  • Page 1 Tektronix RSA6120A Manual Get Pricing & Availability at ApexWaves.com Call Today: 1-800-915-6216 Email: sales@apexwaves.com https://www.apexwaves.com/analyzers/tektronix-inc/rsa6000/RSA6120A...
  • Page 2 RSA6100A Series Real-Time Spectrum Analyzers Quick Start User Manual *P071190907* 071-1909-07...
  • Page 4 RSA6100A Series Real-Time Spectrum Analyzers Quick Start User Manual www.tektronix.com 071-1909-07...
  • Page 5 Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or suppliers, and are protected by national copyright laws and international treaty provisions. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material.
  • Page 6 Warranty Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one (1) year from the date of shipment. If any such product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product.
  • Page 8: Table Of Contents

    Table of Contents Table of Contents General Safety Summary ......................Compliance Information ..
  • Page 9 Table of Contents RSA6100A Series Quick Start User Manual...
  • Page 10: General Safety Summary

    General Safety Summary General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. To avoid potential hazards, use this product only as specified. Only qualified personnel should perform service procedures. While using this product, you may need to access other parts of a larger system.
  • Page 11 General Safety Summary Terms in this Manual These terms may appear in this manual: WARNING. Warning statements identify conditions or practices that could result in injury or loss of life. CAUTION. Caution statements identify conditions or practices that could result in damage to this product or other property. Symbols and Terms on the Product These terms may appear on the product: DANGER indicates an injury hazard immediately accessible as you read the marking.
  • Page 12: Compliance Information

    EN 61000-3-2:2006. AC power line harmonic emissions EN 61000-3-3:1995. Voltage changes, fluctuations, and flicker European Contact. Tektronix UK, Ltd. Western Peninsula Western Road Bracknell, RG12 1RF United Kingdom This product is intended for use in nonresidential areas only. Use in residential areas may cause electromagnetic interference.
  • Page 13: Safety Compliance

    Compliance Information Australia / New Zealand Declaration of Conformity – EMC Complies with the EMC provision of the Radiocommunications Act per the following standard, in accordance with ACMA: CISPR 11:2003. Radiated and Conducted Emissions, Group 1, Class A, in accordance with EN 61326-1:2006 and EN 61326-2-1:2006.
  • Page 14: Environmental Considerations

    This symbol indicates that this product complies with the applicable European Union requirements according to Directives 2002/96/EC and 2006/66/EC on waste electrical and electronic equipment (WEEE) and batteries. For information about recycling options, check the Support/Service section of the Tektronix Web site (www.tektronix.com).
  • Page 15: Preface

    Seamless capture of signals in up to 110 MHz spans Documentation The following documentation is available with your Tektronix RSA6100A Series Spectrum Analyzer. For the most current documentation, refer to the Tektronix Web site. To read about Use these documents Installation and operation RSA6100A Series Real-Time Spectrum Analyzers Quick Start User Manual.
  • Page 16: Software Upgrades

    Software upgrades are available. Software upgrades become operational only after you enter a valid option key for the specific spectrum analyzer model and serial number. To check for upgrades: 1. Use your Web browser to go to www.tektronix.com/software. 2. Enter the product name (RSA6100A) to find available software upgrades. Conventions Used in This Manual...
  • Page 17 Preface RSA6100A Series Quick Start User Manual...
  • Page 18: Installation

    Before Installation Unpack the instrument, and check that you received all items listed as Standard Accessories. Optional accessories and instrument options are also listed in this section. Check the Tektronix Web site (www.tektronix.com) for the most current information. Standard Accessories Your instrument comes with the following accessories: quick start user manual (languages are listed below), programmer manual (on CD), specifications and performance verification manual (on CD), declassification and security instructions...
  • Page 19: Optional Accessories

    Installation Power Cords The RSA6100A Series Real-Time Spectrum Analyzers are shipped with one of the following power cord options. Power cords for use in North America are UL listed and CSA certified. Cords for use in areas other than North America are approved by at least one authority acceptable in the country to which the product is shipped.
  • Page 20: Options

    Installation Options You can add the following options to your spectrum analyzer: Option 01 - Adds 10 MHz to 3 GHz Pre-Amplifier Option 02 - Adds frequency mask triggering and RAM expansion Option 05 - Adds digital IQ output and 500 MHz analog IF output Option 06 - Adds a removable hard disk drive (not compatible with Option 07 or Option 08) Option 07 - Adds a DVD±RW drive, no-cost option (not compatible with Option 06 or Option 08) Option 08 - Adds a removable solid-state hard drive (not compatible with Option 06 or Option 07)
  • Page 21: Connecting To The Instrument

    Installation CAUTION. To ensure proper cooling, do not operate the instrument on its side. Operate the instrument only when it is resting on its feet, located on the bottom of the case. Maintain at least 2 inches (5 cm.) clearance around ventilation openings. WARNING.
  • Page 22: Powering On The Instrument

    Installation Powering On the Instrument Powering Off the Instrument Removing the Power RSA6100A Series Quick Start User Manual...
  • Page 23: Adding An External Monitor

    Installation Adding an External Monitor Use the following procedure to add an external monitor for dual monitor configuration. Both the spectrum analyzer and the second monitor must have the color set to True Color. 1. Power off the spectrum analyzer and the external monitor.
  • Page 24 Installation 4. Open the Windows Control Panel. 5. Double-click Intel(R) Extreme Graphics 2 M to open the properties page. 6. Click Intel(R) Dual Display Clone to show internal screen (Notebook) content on an external monitor (Monitor). RSA6100A Series Quick Start User Manual...
  • Page 25 Installation 7. Adjust the settings as necessary and then click OK to apply the settings and to close the properties page. RSA6100A Series Quick Start User Manual...
  • Page 26 Installation Adjusting the Windows Display Settings To change the instrument display settings, use the Intel Graphics Driver instead of the default Windows display properties. The Intel Graphics Driver provides additional capabilities that are not accessible from the Windows display properties dialog box.
  • Page 27: Inspecting The Instrument

    You can also use the following steps as a detailed incoming inspection to verify the functionality of your instrument. If you want to check the accuracy specifications of your instrument, see the RSA6100A Series Real-Time Spectrum Analyzers Specifications and Performance Verification Technical Reference manual PDF (Tektronix part number 077-0251-XX) located on the Documents CD.
  • Page 28: User Maintenance

    Upgrading the Instrument Software Software upgrades are available from Tektronix. They can either be downloaded from the Tektronix Web site or they can be ordered from your local Tektronix representative. To add additional software options or features, you will need an option key from Tektronix.
  • Page 29 Installation RSA6100A Series Quick Start User Manual...
  • Page 30: Operation

    Operation Operation Getting Acquainted with Your Instrument Controls and display elements are shown in the following illustrations and tables. Front Panel Controls Most front panel controls are shortcuts for opening control panels. Ref number Item Description Menu equivalent Media DVD±RW drive, removable hard disk drive, or removable solid-state hard drive.
  • Page 31 Operation Ref number Item Description Menu equivalent BW (Spectrum) Adjust the resolution bandwidth (RBW). Setup > Settings > BW tab Applicable only when the selected display is Spectrum, DPX Spectrum, or Spectrogram. Press and hold for one second to open the associated control panel. Ref number Item Description...
  • Page 32 Operation Ref number Item Description Menu equivalent Keypad Enters values in controls. Enter Completes the data entry in controls. Same as pressing the Enter key on the keyboard. Ref number Item Description Menu equivalent Recall Opens the Recall dialog box. File >...
  • Page 33 Operation Front Panel Connectors Ref number Item Description Trig Out Trigger output connector. 50 Ω, BNC, High > 2.0 V, Low < 0.4 V, (output current 1 mA) Trig In External Trigger input connector, –2.5 V to +2.5 V range, trigger level is user adjustable USB 1.1 USB 1.1 mouse connector...
  • Page 34: Rear Panel

    Operation Rear Panel Ref number Connector, Description AC Input, main power connector GPIB IF output (Option 05) 4, 5 Real Time IQ Out (Option 05) Ref In, reference frequency input Ref Out, reference frequency output Headphone, audio output connector External Trigger 2 Input COM 2, serial port for connecting peripherals VGA, external monitor output (resolution not limited to VGA) PS2 Keyboard input...
  • Page 35 Operation Interface and Display Elements Commonly-used buttons and controls are located in the tool bar. Most of the buttons open control panels for changing the instrument setups. The contents of the control panels vary depending on the selected display. You can also access the control panels from the front panel buttons or from the keyboard.
  • Page 36 Operation Ref number Item Description Reference Level Displays the reference level. To change the value, click the text and enter a number from the keypad or use the front panel up and down buttons. Amplitude Opens the Amplitude control panel so that you can define the Reference Level, configure internal attenuation, and enable/disable the (optional) Preamplifier.
  • Page 37 Operation Display-Specific Controls Most displays have commonly-used controls arranged around the graph. They provide quick access to common settings; the full control set for the display is in the Settings control panel. The following illustration and table show some of the common icons that appear in most displays.
  • Page 38: Basic Concepts

    Real Time Spectrum Analyzers Tektronix Real-Time spectrum analyzers, such as the RSA6100A Series Spectrum Analyzers, have an optional, exclusive frequency mask trigger. The frequency mask trigger allows you to set up a spectral mask to capture a signal when a spectral anomaly occurs.
  • Page 39 Operation This example shows the window with two displays, a Spectrum display and a DPX spectrum display. When you have more than one display open, the display with the check mark icon has control over the acquisition hardware. To give a display priority over any others, click its title bar.
  • Page 40: Navigating Displays

    Operation Navigating Displays The RSA6100A uses multiple displays to keep operations simple, and yet provide advanced functionality when needed. Some of the display categories include: General Signal Viewing displays. These displays show graphs for basic signal parameters such as amplitude, phase, and frequency plotted against frequency or time.
  • Page 41: Selecting Displays

    Operation Selecting Displays The spectrum analyzer provides an easy way of selecting displays. 1. Click Displays to open the Select Displays dialog box. There are two ways to select displays: choose any combination of displays or use an Application Preset. Choose any Combination of Displays.
  • Page 42 Operation Use an Application Preset. Select displays from the presets for your application. 1. Click Application Presets... in the Select Displays dialog box 2. Select one of the presets. 3. Click OK to close the dialog box. The preset displays will open. (See Table 2.) Table 2: Application presets Presets Displays...
  • Page 43 Operation Quick Tips Push the Displays button on the front panel to open the Select Displays dialog box. To add a display, double-click the icon. To remove displays, do one of the following: Select a display icon in the Selected Displays list, and then click Remove. Double-click a display icon in the Selected Displays list.
  • Page 44 Operation Changing Measurement Settings The displays have settings that control how signals are acquired and processed. The settings that you can change depend on the selected display. To access the settings (in this case, for the Spectrum display): 1. Click Settings to open the Settings control panel.
  • Page 45 Operation Presetting the Instrument You can preset the instrument to restore the setups to their default values. 1. To start with the default instrument settings, push the Preset button on the front panel or select Preset from the Setup menu. Quick Tip Preset does not change any of the settings specified from the Config In/Out control panel or from the Tools menu, such as GPIB address, Save/Export preferences, or the Auto Alignment setting.
  • Page 46: Connecting A Signal

    Operation Connecting a Signal The spectrum analyzer has a single RF signal input located on the front panel. Make sure that you observe the input signal requirements before connecting a signal to the input. CAUTION. To prevent static damage to the instrument or to any instrument accessories, discharge to ground any electrostatic charge that may be present on the center and outer conductors of cables, before attaching the cables to the instrument inputs.
  • Page 47: Starting And Stopping Acquisitions

    Operation To connect an RF signal: 1. Connect the signal to the RF INPUT connector on the front panel. Quick Tip If the source signal is greater than 1 Watt (+30 dBm), connect the source signal to an attenuator. Connect the attenuator output to the RF Input connector.
  • Page 48: Markers

    Operation Markers Use markers to measure time, frequency, power and other results. Markers measure absolute values and can also measure the difference between markers. Using Markers to Measure Frequency and Power The following procedure shows how to use markers in the Spectrum display to measure frequency and power. The example assumes that all markers are turned off and that a signal is on the screen.
  • Page 49 Operation Markers Display Rectangular markers show absolute values in the readout. The readout of the selected marker appears in the upper left corner of the display and in the Marker toolbar. Diamond markers show delta values (relative to the reference marker). The delta readout of the selected marker appears in the upper right corner of the display and in the Marker toolbar.
  • Page 50 Operation Marker Toolbar The Marker toolbar has several controls to work with markers. (See Table 4.) Some of these controls are similar to those on the front panel. Table 4: Marker toolbar Icon Description Opens the Define Markers control panel. Use the control panel to add and remove markers and to set marker parameters.
  • Page 51: Touchscreen Actions

    Operation Defining Markers Use the Define Markers control panel to define the marker settings. 1. Click Define to open the Define Markers control panel. Use the control panel to: Add or delete markers. Turn markers off. Assign markers to specific traces. Set the marker readouts to absolute or delta.
  • Page 52 Operation Table 5: Touchscreen actions menu Icon Menu item Description Select Selects markers and adjusts their position. Span Zoom Zooms the graph area about the selected point. Touch the graph display at a point of interest and drag to increase or decrease the span about the point of interest. Span Zoom adjusts the span control and can affect the acquisition bandwidth.
  • Page 53: Printing

    Operation Printing You can print a copy of the screen and its contents (a screen shot) to a printer or a file. 1. Push the Print button on the front panel or select Print from the File menu. 2. Fill out the details in the Print dialog box, and then click OK.
  • Page 54 Operation 2. Select the Colors tab in the control panel. 3. Set the Color Scheme to Blizzard. The background color changes from black to white in the graphs. RSA6100A Series Quick Start User Manual...
  • Page 55: Saving Data

    Operation Saving Data You can save different types of data for future use. 1. Select Save As. . . from the File menu to open the Save As dialog box. 2. Navigate to the folder where you want to save the setups, or use the default location.
  • Page 56: Recalling Data

    Operation Quick Tips Select File > Save or press the Save button to save the information to a file using the same name, path, and data type as the last time that you saved. If the file already exists, the file name suffix number will increment if you previously selected that option in the Tools >...
  • Page 57: Advanced Techniques

    Operation Advanced Techniques This section contains advanced operating techniques. For examples of practical applications, see the RSA6100A Series Real-Time Spectrum Analyzers Application Examples Manual. Setting Up Triggering The RSA6100A Series Real-Time Spectrum Analyzer offers real-time frequency domain triggering (option 02) in addition to power-level triggers, line trigger, and external triggers.
  • Page 58 Operation Power Triggering. Power triggering triggers the instrument on time-domain signal characteristics. The incoming data is compared to a user-selected level in dBm. You can select the time-domain bandwidth and trigger on the rising or falling edge. In addition to defining the trigger event, you can define the following parameters by selecting the appropriate tab in the Trigger control panel: Position and Delay parameters that define where a trigger occurs within the acquired data record and whether to delay the trigger for a set amount of time.
  • Page 59 Operation Accessing Trigger Parameters 1. Click Trig to open the Trigger control panel. 2. As shown in the following steps, click one of the tabs in the Trigger control panel to define the trigger parameters. 3. Use the Event tab to set parameters that define trigger events.
  • Page 60 Operation The quickest way to set up a DPX Density trigger is to use a mouse and right-click on a signal of interest in the DPX graph, or press on the screen and hold with your finger for one second. A menu will pop up. Select Trigger On This. This action performs several tasks: Places the density measurement box at the click point Sets the measurement box to its default size...
  • Page 61 Operation Creating a Frequency Mask Use the Mask Editor to create a Frequency Mask. The mask is a set of points defined by frequency and amplitude. Access the Mask Editor from the Trigger control panel. (This procedure uses the Spectrum display.) You can create a Frequency Mask by using either the manual or Auto Draw method.
  • Page 62 Operation 7. Click any point in the mask to select it. The frequency and amplitude of the selected point are highlighted in the graph. 8. Edit the point by doing one of the following: Drag and drop the point with the mouse.
  • Page 63 Operation Table 7: Trigger violations Violation Description The instrument triggers whenever the signal violates the mask (above the line). The instrument triggers whenever the signal has no points in the mask. T > F One transition defines the trigger event. The signal must go out of the mask (no violation) after being inside of the mask (violation).
  • Page 64 Operation Measurements with Conflicting Acquisition Requirements The RSA6100A Series Real-Time Spectrum Analyzer lets you open any combination of measurements. You can select the displays that you are interested in and the instrument will automatically set up the appropriate analysis and acquisition parameters.
  • Page 65 Operation 8. Click Run to start acquiring data. 9. Increase the span in the Spectrum display to 200 MHz. Because Spectrum is the selected display, the acquisition parameters adjust automatically to meet the needs of the display. The 200 MHz span exceeds the real-time bandwidth of the instrument.
  • Page 66 Operation 12. Decrease the span to 40 MHz in the Spectrum display. Now the acquisitions are real-time again. 13. Check the status bar readout to verify that the acquisition is real-time. Both of the displays can run now. RSA6100A Series Quick Start User Manual...
  • Page 67 Operation Searching Signals The RSA6100A Real-Time Spectrum Analyzer lets you search signals for changes in power level. You can identify matches as crossing a power level or you can create a mask that specifies power level and frequency range limits. You can select which trace to search and specify an action to take when a search match occurs.
  • Page 68 Operation 6. Specify what to search for by making a selection from the Search for drop-down list. To search for signal levels above or below a specified level, select either is greater than or is less than. To search for signal levels that vary with frequency, select either is outside mask or is inside mask.
  • Page 69 Operation 7. Click the Actions tab to specify what actions the spectrum analyzer should take when a match occurs. The spectrum analyzer can take up to five actions when a match occurs, depending on the run mode. In Run mode, the spectrum analyzer can sound a beep, stop acquisitions, save acquisition data, save trace data, and save a picture of the display.
  • Page 70 Operation Using Correction Tables The RSA6100A Real-Time Spectrum Analyzer lets you correct the signal displays and measurement results to account for gains and losses in external equipment. You can specify a single gain value or you can use an external loss table to adjust the gain/loss value based on frequency.
  • Page 71 Operation 6. Edit the contents of the table to match the loss characteristics of the equipment you are correcting for. Click OK when you are finished. NOTE. You can enter either positive or negative values into the table. But in contrast to the External Gain value setting, positive values represent a loss and negative values represent a gain.
  • Page 72 Operation When choosing whether to correct sample data or traces, keep the following in mind: If sample data is acquired while data correction is enabled, that data record is permanently corrected. If the acquisition is saved and recalled, the recalled acquisition includes corrections. Corrections are not saved separately from the raw data;...
  • Page 73 Operation Using Audio Demodulation The RSA6100A Real-Time Spectrum Analyzer can demodulate audio signals which can help you to identify unknown radio signals. You access the Audio Demod tab from the Settings control panel of the DPX Spectrum display. To demodulate an audio signal: 1.
  • Page 74 Operation 7. Click the On button to enable audio demodulation. 8. To specify the demodulation type, click either the AM or FM button. NOTE. Note that the AM and FM buttons select only the demodulation type; they do not specify a frequency band. 9.
  • Page 75 Operation 12. Click the Define button in the Marker toolbar to display the Define Markers control panel. 13. Click Add to add markers as needed. 14. Click the Settings button to return to the Audio Demod control panel. 15. Set the required receiver bandwidth by entering a value into the Receiver BW value entry box.
  • Page 76 Operation 16. Set the receiver frequency. If you specified a marker with the Tune with setting, drag the marker to the required frequency. Fine tune the marker position with the front-panel knob or your mouse wheel. If you selected Frequency control in the Tune with setting, press the front-panel FREQ button, then turn the front-panel knob or use the Freq setting in the toolbar to set...
  • Page 77 Operation RSA6100A Series Quick Start User Manual...
  • Page 78: Index

    RF measurement, 23 data source, 22 selecting, 24 starting, 30 Documentation, viii stopping, 30 Key features, viii Tektronix part numbers, 1 Analysis window, 21, 23 Application presets, 25 audio demodulation, 56 Maintenance Environmental specifications, 3 cleaning procedures, 11 altitude, 3...
  • Page 79 Index Select Trigger Touchscreen actions menu, 34 control panel, 42 Selected window, 46 mask, 44 Touchscreen actions menu, 34 Selecting displays, 24 violations, 46 Part numbers, manuals, 1 Settings Trigger Event parameters, 41 Power cord options, 2 changing, 27 accessing, 42 Power level triggering, 40 default, 28 Triggered trigger mode, 40...

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