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Tektronix RSA6120A series, Quick Start User Manual

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Tektronix RSA6120A series Quick Start User Manual Download 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.

Press the

Displays

button to display the

Select Displays dialog box.

2.

Select the

General Signal Viewing

folder.

3.

Double-click the

DPX Spectrum

icon to

add it to the Selected Displays list.

4.

Click

OK

to close the dialog box. The

DPX Spectrum display will open.

5.

Press the

Settings

front-panel button

to display the DPX Spectrum Settings
control panel.

6.

Click the

Audio Demod

tab to display

the Audio Demod control panel.

56

RSA6100A Series Quick Start User Manual

Summary of Contents for RSA6120A series

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: ...x RSA6100A Series Real Time Spectrum Analyzers ZZZ Quick Start User Manual P071190907 071 1909 07...

Page 3: ......

Page 4: ...RSA6100A Series Real Time Spectrum Analyzers ZZZ Quick Start User Manual xx www tektronix com 071 1909 07...

Page 5: ...and pending Information in this publication supersedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tek...

Page 6: ...taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and...

Page 7: ......

Page 8: ...ons 3 Operating Considerations 3 Connecting to the Instrument 4 Powering On the Instrument 5 Powering Off the Instrument 5 Removing the Power 5 Adding an External Monitor 6 Inspecting the Instrument 1...

Page 9: ...Table of Contents ii RSA6100A Series Quick Start User Manual...

Page 10: ...rd observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product The inputs are not rated for connection to mains...

Page 11: ...t 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 t...

Page 12: ...tions and flicker European Contact Tektronix UK Ltd Western Peninsula Western Road Bracknell RG12 1RF United Kingdom 1 This product is intended for use in nonresidential areas only Use in residential...

Page 13: ...ipment for measurement control and laboratory use Part 1 Additional Compliances IEC 61010 1 2001 Safety requirements for electrical equipment for measurement control and laboratory use Equipment Type...

Page 14: ...handled at the product s end of life In order to avoid release of such substances into the environment and to reduce the use of natural resources we encourage you to recycle this product in an appropr...

Page 15: ...f 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...

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 u...

Page 17: ...Preface x RSA6100A Series Quick Start User Manual...

Page 18: ...ges English Tektronix part number 071 1909 XX Simplified Chinese Tektronix part number 071 1910 XX Japanese Tektronix part number 071 1911 XX Russian Tektronix part number 071 1912 XX RSA6100A Series...

Page 19: ...national Power Plugs Opt A0 North America power Opt A1 Universal EURO power Opt A2 United Kingdom power Opt A3 Australia power Opt A4 240 V North America power Opt A5 Switzerland power Opt A6 Japan po...

Page 20: ...ption 21 Adds general purpose digital modulation analysis Option 110 Adds 110 MHz real time capture bandwidth Option 200 Advanced DPX and Triggers Option 1R Adds Rackmount Kit Operating Considerations...

Page 21: ...twork Connect your keyboard mouse printer and other accessories to your instrument before applying power Accessories with USB connectors can be connected before or after applying power You can connect...

Page 22: ...Installation Powering On the Instrument Powering Off the Instrument Removing the Power RSA6100A Series Quick Start User Manual 5...

Page 23: ...nfiguration 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 2 Connect the external monitor to the spe...

Page 24: ...ontrol 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...

Page 25: ...Installation 7 Adjust the settings as necessary and then click OK to apply the settings and to close the properties page 8 RSA6100A Series Quick Start User Manual...

Page 26: ...R Extreme Graphics 2 M to open the properties page 3 Adjust the settings as necessary NOTE Not all of the selections in the property page will be available if there is no external monitor connected to...

Page 27: ...1 Select Tools Diagnostics 2 On the Diagnostics tab click All Modules All Tests 3 Click Single Test 4 Click RUN The instrument will run through the tests one at a time A check mark or X icon will app...

Page 28: ...uids directly on the display surface Avoid scrubbing the display with excessive force Clean the display surface by gently rubbing the display with a clean room wipe If the display is very dirty moiste...

Page 29: ...Installation 12 RSA6100A Series Quick Start User Manual...

Page 30: ...g box to select measurement displays Setup Displays 3 Settings Opens the Settings control panel for the selected display Setup Settings 4 Trigger Opens the Trigger control panel Setup Trigger 5 Acquir...

Page 31: ...aximum peak of the trace in the selected display If markers are turned off the MR marker reference marker will appear at the maximum peak 14 Markers Select Selects the next marker 15 Markers Define Op...

Page 32: ...g file using the same user selections as for the previous Save action File Save 23 Touch Screen On Off Turns the touch screen on and off 24 Help Displays the online help Help User Manual 25 Print Open...

Page 33: ...nector 50 BNC High 2 0 V Low 0 4 V output current 1 mA 2 Trig In External Trigger input connector 2 5 V to 2 5 V range trigger level is user adjustable 3 USB 1 1 USB 1 1 mouse connector 4 USB 2 0 USB...

Page 34: ...ce frequency output 8 Headphone audio output connector 9 External Trigger 2 Input 10 COM 2 serial port for connecting peripherals 11 VGA external monitor output resolution not limited to VGA 12 PS2 Ke...

Page 35: ...ottom of the window 3 Settings Opens the Settings control panel for the selected display Each display has its own control panel 4 Trigger Opens the Trigger control panel so that you can define the tri...

Page 36: ...gs 11 Run Starts and stops data acquisitions When the instrument is acquiring data the button label has green lettering When stopped the label has black lettering You can specify the run conditions in...

Page 37: ...down list 2 Knob Click anywhere on the icon or on the text readout to select the control You can then change the value with the front panel control knob or arrow keys or enter a value from the keypad...

Page 38: ...display You can view very short transient signals multilevel signals and time varying events Option 200 includes the ability to measure and trigger on signal density values in the DPX display The RSA6...

Page 39: ...ource can be a live acquisition or a saved acquisition data file The sharing of acquisition data between displays allows you to view the same data in multiple ways For example you can display a power...

Page 40: ...and Phase Modulation General Purpose Digital Modulation displays Available with Option 21 General Purpose Modulation Analysis These displays show the results of demodulating signals and analyzing them...

Page 41: ...isplays Select displays one by one as needed 1 Click the desired application folder in the Select Displays dialog box The available displays for each folder are listed in the Available Displays pane 2...

Page 42: ...ion presets Presets Displays Modulation Analysis Option 21 only Constellation DPX Spectrum Signal Quality Symbol Table Pulse Analysis Option 20 only DPX Spectrum Pulse Table Pulse Trace Time Overview...

Page 43: ...better accuracy or dynamic range for its particular measurement Select the display that contains the message Click Run if the instrument is not already acquiring data Acquisitions are not running and...

Page 44: ...provide easy access to other related controls 3 You can change the appearance of the display screen in the Prefs tab Not all of the following controls apply to every display Some displays have additio...

Page 45: ...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 o...

Page 46: ...l amplitude and frequency normalization point Measurements can be made on signals within the entire range of allowable inputs but the accuracy of the measurement is affected by the frequency and ampli...

Page 47: ...its sequence and then stop The button label changes from green lettering to black lettering to indicate that the instrument has stopped Quick Tip Push the front panel Run button to start and stop acqu...

Page 48: ...kers are turned off and that a signal is on the screen 1 Click Markers to open the Marker toolbar at the bottom of the Analysis window 2 Select Add Marker from the drop down list on the Marker Toolbar...

Page 49: ...ge of trace points the marker finds the highest point When you attach the marker to the bitmap trace in the DPX spectrum display the marker readout indicates the hit count for pixels maximum 65 536 al...

Page 50: ...the next lower peak value The peak value refers to the absolute value of the peak amplitude When repeatedly moving the marker it can move in any direction depending on the location of the next peak I...

Page 51: ...ers from the drop down list next to Define in the Marker toolbar Touchscreen Actions You can use the touchscreen to change marker settings and how waveforms are displayed by using the Touchscreen Acti...

Page 52: ...decreases the scale value Pan Adjusts horizontal and vertical position of the waveform The first direction with enough movement becomes the primary direction of movement Movement in the secondary dir...

Page 53: ...Print from the File menu 2 Fill out the details in the Print dialog box and then click OK The Print dialog box is the standard Microsoft Windows Print dialog box The printer controls are dependent on...

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 37...

Page 55: ...Config In Out control panel Results Export files Saves the trace and numeric data for the selected display The trace and numeric data are saved in CSV format as text files Picture PNG JPG BMP Saves a...

Page 56: ...Time Spectrum Analyzers 1 Push the Recall button on the front panel or select Recall from the File menu 2 In the Open dialog box browse to the location of the file 3 If you do not see the file select...

Page 57: ...ing This trigger type enables the instrument to capture any signal you can see in the DPX display including difficult to see signals hiding beneath other signals that have a higher amplitude or a grea...

Page 58: ...o 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 with...

Page 59: ...hile in Swept acquisition mode and to set parameters that control the position of the trigger event Quick Tip Other ways to access the Trigger control panel Push the Trigger button on the front panel...

Page 60: ...events that are partially masked by stronger signals you will often need to adjust the density Threshold based on density measurements of the event of interest and of the obscuring signal For example...

Page 61: ...the manual method For a procedure on how to use the Auto Draw method see the topic Mask Editor Frequency Mask Trigger in the online help 1 Click Trig to open the Trigger control panel 2 Select the Ev...

Page 62: ...ick on the graph to add a new point in the graph Click Next to select the next point in the graph Click the X delete button to delete the selected mask point Click Save to save the mask file and conti...

Page 63: ...selected display they might not be ideal for other displays In this case the other displays might be unable to maintain optimum performance and consequently might be unable to produce results This als...

Page 64: ...display needs real time data such as the Amplitude vs Time measurement while another display requires swept data such as a Spectrum graph with a very wide span 1 Push the Preset button on the front p...

Page 65: ...e readout Swept indicates when acquisitions are swept When the acquisitions are in Real Time all measurements usually run If the acquisitions are swept only the selected display can run 11 Click the A...

Page 66: ...n 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 Serie...

Page 67: ...ich trace to search and specify an action to take when a search match occurs To search a trace 1 Open the Spectrum display or select the Spectrum display if it is already open 2 Select Tools Search 3...

Page 68: ...rch for signal levels that vary with frequency select either is outside mask or is inside mask To specify the limits in the search mask click the Edit limits button The orange shaded area in the graph...

Page 69: ...nd a beep and stop analyzing 8 To have the spectrum analyzer take an action when a match occurs select the desired action You can select any combination of actions to perform on a match If you select...

Page 70: ...To apply a constant correction factor select the External Gain value check box Enter a value into the text entry box NOTE You can enter either positive or negative gain values Positive values represe...

Page 71: ...gain For detailed information on using the Table Editor select Help User Manual and look in the Index for External Loss Tables 7 You can change the title for each external loss table Select the title...

Page 72: ...ied at any time as they are part of the measurement s computations Using Replay will apply trace corrections to a trace if this control is enabled and an external loss table is specified and enabled B...

Page 73: ...signal 1 Press the Displays button to display the Select Displays dialog box 2 Select the General Signal Viewing folder 3 Double click the DPX Spectrum icon to add it to the Selected Displays list 4...

Page 74: ...ecified with either markers or the frequency control the front panel Frequency button or the Freq control in the toolbar Use the Tune with setting to specify whether markers or the frequency control i...

Page 75: ...fine 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...

Page 76: ...une with setting press the front panel FREQ button then turn the front panel knob or use the Freq setting in the toolbar to set the required frequency The receiver frequency is displayed as Receiver F...

Page 77: ...Operation 60 RSA6100A Series Quick Start User Manual...

Page 78: ...on viii Tektronix part numbers 1 E Environmental specifications 3 altitude 3 cooling clearances 3 humidity 3 temperature 3 Extended desktop 6 external gain loss correction 53 External monitor 6 F Feat...

Page 79: ...displays 24 Settings changing 27 default 28 preset 28 Setups recalling 39 saving 38 Software upgrades ix installing 11 Span Zoom Touchscreen actions menu 34 Specifications altitude 3 cooling clearance...

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