SIGLENT SSA3075X Plus User Manual
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SIGLENT SSA3075X Plus User Manual

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SSA3000X Plus
Spectrum Analyzer
User Manual
UM0703P-E01A

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Summary of Contents for SIGLENT SSA3075X Plus

  • Page 1 SSA3000X Plus Spectrum Analyzer User Manual UM0703P-E01A...
  • Page 2 Declaration  SIGLENT products are protected by patent law worldwide  SIGLENT reserves the right to modify or change parts of or all the specifications or pricing policies at company’s sole decision.  Information in this publication replaces all previously corresponding material.

  • Page 3: Safety Information

    SIGLENT Safety Information General Safety Summary Carefully read the following safety precautions to avoid any personal injury or damage to the instrument and any products connected to it. To avoid potential hazards, please use the instrument as specified. Use Proper AC Power Line Only the power cord designed for the instrument and authorized by the local country should be used.

  • Page 4: Safety Terms And Symbols

    SIGLENT Do Not Operate Without Covers Do not operate the instrument with covers or panels removed. Use proper Fuse. Use Only the Specified Fuse. Keep Product Surfaces Clean and Dry. To avoid the influence of dust and/or moisture in the air, please keep the surface of the device clean and dry.

  • Page 5: Measurement Category

    SIGLENT Symbols on the product: Hazardous protective Earth Warning Test Power Switch Voltage Terminal Ground If find such symbols on the product, consult the manual to find out the nature of the potential hazard and the actions which have to be taken.

  • Page 6: Working Environment

    SIGLENT Working Environment Temperature Operating: 0℃ to +40℃ Non-operation: -20℃ to +70℃ Humidity Under +35℃: ≤80% relative humidity +35℃ to +40℃: ≤60% relative humidity WARNING To avoid short circuit inside the instrument or electric shock, please do not operate in humid environment.

  • Page 7: Ventilation Requirement

    SIGLENT Ventilation Requirement This analyzer uses fan to force cooling. Please make sure that the air intake and exhaust areas are free from obstructions and have free air. When using the analyzer in a bench-top or rack setting, provide at least 10 cm clearance beside, above and behind the instrument for adequate ventilation.

  • Page 8: L'information De Sûreté

    SIGLENT L'information de sûreté Résumé général de sûreté Lisez soigneusement les mesures de sé curité suivantes pour éviter n'importe quelles blessures ou les dommages à l'instrument et à tous les produits se sont reliés à eux. Pour é viter des risques, utilisez svp l'instrument comme indiqué.
  • Page 9 N'importe quel entretien, ajustement ou remplacement particulièrement aux circuits ou aux accessoires doivent être exécutés par le personnel autorisé par SIGLENT. Ne fonctionnez pas en conditions humides. Afin d'éviter de court-circuiter à l'intérieur du dispositif ou de la décharge é lectrique, svp ne fonctionnez pas dans un environnement humide.

  • Page 10: Limites Et Symboles De Sûreté

    SIGLENT Limites et symboles de sûreté Limites en ce manuel. Ces limites peuvent apparaî tre en ce manuel : Les rapports d'avertissement D'AVERTISSEMENT indiquent les conditions ou les pratiques qui pourraient avoir comme conséquence les dommages ou la perte de la ie.

  • Page 11: Catégorie De Mesure

    SIGLENT Catégorie de mesure Les analyzers peuvent faire des mesures dans d'autres circuits qui ne sont pas directement reliés aux forces. Pour ne pas employer le produit pour des mesures dans d'autres catégories de mesure, telles que le CAT II, CAT III, CAT IV.

  • Page 12: Environnement De Fonctionnement

    SIGLENT Environnement de fonctionnement Température En fonctionnement: 0 à + 40 Non-fonctionnement: -20 à + 70 Humidité Moins de + 35: humidité relative ≤80% + 35 à + 40 ℃: humidité relative ≤60% EN AVERTISSANT d'éviter le court-circuit à l'intérieur de l'instrument ou de la décharge électrique, svp ne fonctionnez pas dans l'environnement humide.

  • Page 13: Soin Général Et Nettoyage

    SIGLENT Cet analyzer utilise le ventilateur pour forcer le refroidissement. Veuillez s'assurer que les secteurs d'entrée et d'échappement d'air sont exempts des obstructions et ont l'air libre. À l'aide de l'analyzer dans un mettre hors jeu-dessus ou un arrangement de support, fournissez au moins le dé...

  • Page 14: Allgemeine Sicherheitshinweise

    SIGLENT Allgemeine Sicherheitshinweise Um Verletzungen oder Schäden am Gerä t und den damit verbundenen Produkten zu vermeiden, lesen Sie die folgenden Sicherheitshinweise sorgfältig durch. Um mö gliche Gefahren zu vermeiden, verwenden Sie bitte das Gerät wie angegeben. Wartungsarbeiten an diesem Gerät dürfen nur von qualifiziertem Reparaturpersonal durchgeführt werden.

  • Page 15: Sicherheitshinweise Und Symbole

    SIGLENT Sicherheitshinweise und Symbole In diesem Produkt verwendete Begriffe. Diese Begriffe können im Produkt erscheinen: GEFAHR weist auf eine mö gliche, sofortige und direkte Verletzung oder Gefährdung hin. WARNUNG weist auf mö glicherweise auftretende Verletzungen oder Gefahren hin VORSICHT weist auf mö glicherweise auftretende Schäden am Gerä t oder anderen Gegenständen...

  • Page 16: Table Of Contents

    SIGLENT Contents Copyright and Declaration ......................II Safety Information ......................... III General Safety Summary ......................III Safety Terms and Symbols......................IV Measurement Category ......................... V Working Environment ........................VI Ventilation Requirement ......................VII General Care and Cleaning ......................VII L'information de sûreté ......................VIII Résumé...
  • Page 17 SIGLENT 2.1.4 Auto Tune ........................ 28 Sweep and Functions ..................... 30 2.2.1 BW ........................... 30 2.2.2 Trace ........................32 2.2.3 Detect ........................34 2.2.4 Sweep ........................35 2.2.5 Trigger ........................37 2.2.6 Limit ......................... 38 2.2.7 TG (Tracking Generator) ..................39 2.2.8...
  • Page 18 SIGLENT 4.3.2 Open/Load ......................79 4.3.3 Back ........................79 4.3.4 View Type ........................ 79 4.3.5 Save Type ....................... 79 4.3.6 Save ........................80 4.3.7 Create Folder ......................80 4.3.8 Operate ........................80 Shortcut Key ........................81 4.4.1 Preset ........................81 4.4.2...

  • Page 20: Chapter 1 Quick Start

    SIGLENT Chapter 1 Quick Start This chapter guides users to quickly get familiar with the appearance, dimensions, front/rear panel and the user interface, as well as announcements during the first use of the analyzer. Subjects in this chapter:  General Inspection ...

  • Page 21: General Inspection

    The consigner or carrier will be responsible for damages to the instrument resulting from shipment. SIGLENT will not provide free maintenance or replacement. Inspect the instrument If the instrument is found to be damaged, defective or fails in electrical or mechanical tests, please contact SIGLENT.

  • Page 22: Preparing For Use

    SIGLENT 1.3 Preparing for Use 1.3.1 Adjust the Supporting Legs Adjust the supporting legs properly to use them as stands to tilt the analyzer upwards for stable placement as well as easier operation and observation of the instrument display. Figure 1-3 before adjusting Figure 1-4 after adjusting 1.3.2 Connect to AC Power Supply...

  • Page 23: Front Panel

    SIGLENT 1.4 Front Panel Figure 1-6 the Front Panel Table 1-1 Front Panel Description Description Description User Graphical Interface, touch support RF Input Menu Control Keys TG Output Function Keys 3.5 mm Earphone interface Knob USB Host Numeric / Letter Keyboard...
  • Page 24 SIGLENT Table 1-2 Function keys description Control Keys Description Set the parameters of frequency, and Peak→CF, CF→Step. Frequency Span Set the parameters of span, and X-scale (Log-Linear) setup. Amplitude Set the parameters of amplitude, including Ref Level, Attenuator, Preamp, etc.; and Correction setup.

  • Page 25: Front Panel Key Backlight

    SIGLENT 1.4.2 Front Panel Key Backlight The on/off state and the color of the backlights of some keys at the front panel indicate the working state of the analyzer. The states are as listed below. Power Switch  Flash on and off alternatively, in a “breathing” state: indicate the unit is in stand-by.

  • Page 26: Front Panel Connectors

    USB Host The analyzer can serve as a “host” device to connect external USB devices. This interface is  available for USB storage devices, the SIGLENT GPIB-USB adapter, wireless or wired mouse and keyboard.  Read and write functions for an external USB storage device or store the contents currently displayed on the screen in the USB storage device in .png or .jpg or .bmp format.
  • Page 27 SIGLENT Figure 1-10 Front Panel Connectors (2) TG SOURCE The TG SOURCE can be connected to a device-under-test (DUT) through a cable with a male N-type male connector. CAUTION To avoid damaging to the tracking generator, the reverse DC voltage cannot...

  • Page 28: Rear Panel

    SIGLENT 1.5 Rear Panel Figure 1-11 Rear Panel Handle Pull up the handle vertically for easy carrying of the instrument. When you do not need the handle, press it down. USB Device Interface The analyzer can serve as a “slave” device to connect external USB devices. Through this interface, a PC can be connected to control the analyzer.
  • Page 29 SIGLENT REF OUT 10 MHz The analyzer can use the internal or an external reference source.  When an internal reference source is used, the [10 MHz OUT] connector can output a 10 MHz clock signal generated by the analyzer. This signal can be used to synchronize other instruments.

  • Page 30: User Interface

    1.6 User Interface 23 22 Figure 1-12 User Interface Table 1-3 User Interface labels Name Description SIGLENT SIGLENT logo Reference level UNCAL Instrument setup is out of measurement calibration. EXT REF Valid Ext 10 MHz reference clock detected indicator Attenuator Value...
  • Page 31 SIGLENT LAN identification Displayed when a LAN cable is inserted Menu title Function of the current menu. Menu items Menu items of the current function. Front panel key menus may be different in different modes. Operation status Local is local mode, Remote is remote mode, Upgrade...

  • Page 32: Firmware Operation

    1.7.3 Firmware Upgrade Follow this procedure to update the instrument firmware: Download the firmware package from an official SIGLENT website, http://www.siglent.com/ens, Extract and copy the .ADS file into the root directory of an USB stick. Plug the USB stick into the USB Host connector. Press System->“System Info”-> “Firmware Update”;...

  • Page 33: Remote Control

    Instruments) compliant command set, LabView and IVI (Interchangeable Virtual Instrument), to interoperate with other programmable instruments. You can also remote monitor and control the analyzer in Web Browser or Easy Spectrum. For more details, refer to the ‘Programming Guide’ or contact your nearest SIGLENT office. 1.10 Using Built-in Help The built-in help system provides information about every function key at the front panel and every menu soft key.

  • Page 34: Using The Security Lock

    SIGLENT 1.11 Using the Security Lock If needed, you can use the security lock (please buy it yourself) to lock the Spectrum Analyzer to a fixed location. The method is as follows, align the lock with the lock hole and plug it into the lock hole vertically, turn the key clockwise to lock the Spectrum Analyzer and then pull the key out.

  • Page 35: Chapter 2 Spectrum Analyzer

    SIGLENT Chapter 2 Spectrum Analyzer Press Mode, select ‘Spectrum Analyzer’ to enter spectrum analyzer mode. The ‘Spectrum Analyzer’ mode is the default mode of the machine. In this mode, the Mode backlight does not light up; in other modes, the Mode backlight will light up.

  • Page 36: Basic Settings

    SIGLENT 2.1 Basic Settings 2.1.1 Frequency Set the frequency-related parameters and functions of the analyzer. The sweep will restart every time the frequency parameters are modified. The frequency range of a channel can be expressed by three parameters: Start Frequency, Center Frequency and Stop Frequency.
  • Page 37 SIGLENT value. Table 2-2 Start Frequency Parameter Explanation Default 0 Hz Range Zero Span, 0 Hz ~ Full Span Nonzero Span, 0 Hz ~ (Full Span-100Hz) Unit GHz, MHz, kHz, Hz Knob Step Span > 0, step = Span/200, min 1 Hz...
  • Page 38 SIGLENT Table 2-4 Freq Offset Parameter Explanation Default 0 Hz Range -100GHz ~ 100GHz Unit GHz, MHz, kHz, Hz Knob Step Span > 0, Step = Span/200, min 1 Hz Span = 0, Step = RBW/100, min 1 Hz Direction Key Step...
  • Page 39 SIGLENT Figure 2-1 Signal Tracking Flow  When Marker1 is on, turn on signal tracking, a point whose amplitude does not change more than 3 dB near Marker1 will be searched and marked, and the frequency at that point will be set to center frequency.
  • Page 40 SIGLENT Figure 2-2 before Peak -> CF Figure 2-3 after Peak -> CF 2.1.1.8 CF -> Step Set the current center frequency as the Freq Step. At this point, the Freq Step will switch to “Manual” mode automatically. This function is usually used in channel switching. For example, in harmonic...

  • Page 41: Span

    SIGLENT CF->Step. Next you can press the upward direction key continuously to measure each order of harmonic in sequence. 2.1.2 Span Set the span of the analyzer. Any change of this parameter will affect the frequency parameters and restart the sweep.

  • Page 42: Amplitude

    SIGLENT Marker->: M->CF, M->CF step, M->Start Freq, M->Stop Freq, △M->Span and △M->CF;  Marker Fn: Read Out(default option: △Time);  2.1.2.4 Zoom In Set the span to half of its current value. At this point, the signal on the screen will be amplified to observe signal details.
  • Page 43 SIGLENT change of Ref Level, Attenuator Value, Preamp mode and Ref Offset will restart sweep. 2.1.3.1 Ref Level Set the maximum power or voltage that can be currently displayed in the trace window. The value is displayed at the upper left corner of the screen grid.
  • Page 44 SIGLENT Table 2-8 Attenuator Parameter Explanation Default 20 dB Range 0 ~ 31 dB Unit Knob Step 1 dB Direction Key Step 5 dB Related to Preamp, Ref level Note: the maximum attenuator value of different machine models may be different, please refer to the data manual specifically.
  • Page 45 SIGLENT Table 2-9 Scale/Div Parameter Explanation Default 10 dB Range 0.1 dB ~ 20 dB Unit Knob Step Scale>=1, 1 dB, Scale<1, 0.1dB Direction Key Step 1-2-5 sequence Related to Scale Type 2.1.3.6 Scale Type Set the scale type of the Y-axis to Lin or Log. The default is Log.

  • Page 46: Auto Tune

    SIGLENT 2.1.3.8 Correction Correct the displayed amplitude to compensate for gains or losses from external devices such as antennas and cables. When using this function, you can view the correction data table and save or load the current correction data. When amplitude correction is enabled, both the trace and related measurement results will be mathematically corrected.
  • Page 47 SIGLENT Figure 2-5 before Auto Tune Figure 2-6 after Auto Tune SSA3000X Plus User Manual 29...

  • Page 48: Sweep And Functions

    SIGLENT 2.2 Sweep and Functions 2.2.1 BW The bandwidth menu contains the RBW (Resolution Bandwidth), VBW (Video Bandwidth), average type and filter type. Filter type includes the EMI filter type that enables EMI measurement controls. 2.2.1.1 Resolution Bandwidth Set the resolution bandwidth in order to distinguish between signals which have frequency components that are near one another.
  • Page 49 SIGLENT Table 2-13 VBW Parameter Explanation Default 1 MHz Range 1 Hz ~ 1 MHz Unit MHz, kHz, Hz Knob Step in 1, 3 sequence Direction Key Step in 1, 3 sequence Relation RBW, V/R Ratio, Sweep Time 2.2.1.3 V/R Ratio Set the ratio of VBW to RBW.

  • Page 50: Trace

    SIGLENT signal. This scale is suitable for observing rise and fall behavior of AM or pulse-modulated signals such as radar and TDMA transmitters. 2.2.1.5 Filter Set the RBW filter type. The analyzer supports two kinds of RBW filters: “Gauss” (-3 dB bandwidth) and “EMI”...
  • Page 51 SIGLENT Clear Write Erases any data previously stored in the selected trace, and display the data sampled in real-time of each point on the trace. Max Hold Retain the maximum level for each point of the selected trace. Update the data if a new maximum level is detected in successive sweeps.

  • Page 52: Detect

    SIGLENT Input X, Y Input X, Y can be applied to trace A, B, C, or D. Calculation Type The analyzer provides the calculation types as shown below:  Power Diff: X-Y+Offset→Z  Power Sum: X+Y+Offset→Z  Log Offset: X+ Offset→Z ...

  • Page 53: Sweep

    SIGLENT point of the corresponding time interval. This detector type is applicable to noise or noise-like signal. Normal Normal detector (also called ROSENFELL Detector) displays the maximum value and the minimum value of the sample data segment in turn: Odd-numbered data points display the maximum value and even-numbered data points display the minimum value.
  • Page 54 SIGLENT 2.2.4.2 Sweep Rule The analyzer provides two sweep time rules to meet the different sweep time requirements:  Speed: Activates the default fast sweep time rule.  Accuracy: Activates the normal sweep time rule to ensure increased measurement accuracy.

  • Page 55: Trigger

    SIGLENT 2.2.4.4 Sweep Mode Sweep mode includes auto mode, sweep mode and FFT mode. 1. Auto When the sweep mode is auto, the analyzer selects the sweep mode automatically between Sweep and FFT Mode in the shortest time. 2. Sweep True swept operation including point-by-point scanning.

  • Page 56: Limit

    SIGLENT value are displayed on the screen. Table 2-20 Trigger Setup Parameter Explanation Default 0 dBm Range -300 dBm ~ 50 dBm Unit Knob Step 1 dBm Direction Key Step 10 dBm 2.2.5.3 External In this mode, an external signal (TTL signal) is input from the [TRIGGER IN] connector at the rear panel and trigger signals are generated when this signal fulfills the specified trigger edge condition.

  • Page 57: Tg (Tracking Generator)

    SIGLENT 2.2.6.3 Limit2 Enable or disable limit2. 2.2.6.4 Limit2 Edit Edit the properties of limit2. Table 2-22 Limit2 Edit Menu Function Explanation Type Select upper or lower limit type. The default value is Lower. Mode Select limit line or limit point. The default value is Line.
  • Page 58 SIGLENT 2.2.7.1 The tracking generator is a signal source with an adjustable frequency and amplitude. When the TG is enabled, a signal with the same frequency of the current sweep signal will be output from the [TG SOURCE] connector at the front panel. The power of the signal could be set through the menu. The TG output frequency follows the analyzer sweep frequency.
  • Page 59 SIGLENT of the reference trace will be subtracted from the trace data after every sweep. The reference trace must be stored before the normalize function can be used. Default reference plane Normalized reference plane Figure 2-8 Normalize 2.2.7.5 Store Ref Before enable the normalize function, you should press the “Store Ref”...

  • Page 60: Demod

    SIGLENT Table 2-25 Reference level under normalization Parameter Explanation Default 0 dB Range -200 dB ~ 200 dB Unit Knob Step 1 dB Direction Key Step 10 dB 2.2.7.8 Norm Ref Pos Adjust the vertical position of the normalization reference level on the screen by adjusting the reference position when normalization is enabled.
  • Page 61 SIGLENT 2.2.8.2 Earphone Set the status of the earphone. When it is on, the demodulated signal can be heard through the earphone during the demodulation. By default, it is off. 2.2.8.3 Volume Set the volume of the earphone. Table 2-27 Volume...

  • Page 62: Marker

    SIGLENT 2.3 Marker 2.3.1 Marker The marker appears as a rhombic sign (as shown below) for identifying points on a trace. You can easily read the amplitude, frequency and sweep time of the marked point on the trace. Figure 2-9 Marker ...
  • Page 63 SIGLENT Table 2-29 Marker parameters Parameter Explanation Default Center Frequency Range 0 ~ Full Span Unit Readout = Frequency: GHz, MHz, kHz, Hz Readout = Time or Period: s, ms, us, ns, ps Knob Step Readout = Frequency, Step = Span/(Sweep Points - 1)
  • Page 64 SIGLENT 2.3.1.5 Fixed One of the marker types. When “Fixed” is selected, the X-axis and Y-axis of the marker will not change by the trace and can only be changed through the menu. The fixed marker is marked with "+".

  • Page 65: Marker

    SIGLENT 2.3.2 Marker -> M->CF Set the center frequency of the analyzer to the frequency of the current marker.  If the Normal marker is selected, the center frequency will be set to the frequency of the current marker. ...

  • Page 66: Marker Fn

    SIGLENT  The function is invalid in Zero span. ΔM->CF Set the center frequency of the analyzer to the frequency difference between the two markers in Delta marker type.  If the Normal marker is selected, this function is invalid.
  • Page 67 SIGLENT Figure 2-11 N dB BW When the measurement starts, the analyzer will search for the two points which are located at both sides of the current point with N dB fall or rise in amplitude and display the frequency difference between the two points in the active function area.

  • Page 68: Peak

    SIGLENT 2.3.3.6 Read Out Select a desired readout type for the X-axis for the marker. Different markers can use different readout types. This setting will change the readout type and affect the marker readings in the active function area and at the upper right corner of the screen, but will not change the actual value.
  • Page 69 SIGLENT 2.3.4.4 Next Right Peak Search for and mark the nearest peak which is located at the right side of the current peak and meets the peak search condition. 2.3.4.5 Peak Peak Execute peak search and minimum search at the same time and mark the results with delta pair markers.
  • Page 70 SIGLENT Table 2-32 Peak Excursion Parameter Explanation Default 15 dB Range 0 dB ~ 200 dB Unit Knob Step 1 dB Direction Key Step 5 dB Peak Type Set the peak search condition. The available options are Maximum and Minimum.

  • Page 71: Measurement

    SIGLENT 2.4 Measurement 2.4.1 Meas Provide optional measurement functions. When activated, the screen will be divided into two parts. The above part is the measure screen which displays traces, and the other part is used to display measurement results. 2.4.1.1 Channel Power Measure the power and power density within the specified channel bandwidth.

  • Page 72: Meas Setup

    SIGLENT 2.4.1.7 Measure the power of the carrier and noise of the specified bandwidth and their ratio. Select CNR and press Meas Setup to set the corresponding parameters. 2.4.1.8 Harmonics The harmonic power and total harmonic distortion of carrier signal are measured. The maximum measurable harmonic is 10th harmonic.
  • Page 73 SIGLENT Set the center frequency, this center frequency which is the same with the center frequency of the analyzer. Modifying this parameter will change the center frequency of the analyzer. Integration BW Set the frequency width of the channel to be tested and the power of the channel is the power integral within this bandwidth.
  • Page 74 SIGLENT 2.4.2.2 ACPR Figure 2-13 ACPR Measurement Results: Main CH Power, Left channel power and Right channel power.  Main CH Power: Displays the power within the bandwidth of the main power  Left channel power : Displays the power of left channel and the power difference between the left channel and the main channel (in dBc) ...
  • Page 75 SIGLENT Adjacent Chn Set the frequency width of the adjacent channels. The adjacent channel bandwidth is related to the main channel bandwidth. Table 2-36 Adjacent channel bandwidth Parameter Explanation Default 1 MHz Range 100 Hz ~ (full span - 2*100 Hz)
  • Page 76 SIGLENT Measurement Results: occupied bandwidth and transmit frequency error.  Occupied Bandwidth: Integrates the power within the whole span and then calculates the bandwidth occupied by the power according to the specified power ratio.  Transmit Frequency Error: The difference between the center frequency of the channel and the center frequency of the analyzer.
  • Page 77 SIGLENT Stop line Set the right margin (in time unit) of T-Power measurement. The data calculated under this measurement is between the start line and stop line. Table 2-39 stop line Parameter Explanation Default 900 us Range Start line ~ sweep time...
  • Page 78 SIGLENT 2.4.2.6 Spectrum Monitor Figure 2-17 Spectrum Monitor Display the power of spectrum of successive scans as a color map. Also call a waterfall chart. Measurement Parameter: Spectrogram, Restart. Spectrogram: Sets the meas state of spectrum monitor. Restart: clear the measurement and then restart it.
  • Page 79 SIGLENT Measurement Results: C/N, Carrier Power, Noise Power.  C/N: the ratio of Carrier Power to Noise Power.  Carrier Power: the total power of the carrier bandwidth.  Noise Power: the total power of the selected noise bandwidth. Measurement Parameter: Carrier BW, Noise BW, Freq Offset.
  • Page 80 SIGLENT 2.4.2.8 Harmonics Figure 2-19 Harmonics Measurement Results: each harmonic amplitude and total harmonic distortion of carrier signal. It can measure up to 10th harmonic. Measurement Parameter: Fundamental Set the frequency of the fundamental wave. If the automatic mode is turned on, the fundamental wave will be automatically found from the first scan.
  • Page 81 SIGLENT Select Harmonic When "All" is selected, the trace shows the fundamental wave and all harmonics in the sweep bandwidth. When 1-10 is selected, the trace shows a zero span trace corresponding to the fundamental wave or the measured harmonic.

  • Page 82: Chapter 3 Modulation Analyzer

    SIGLENT Chapter 3 Modulation Analyzer This chapter introduces in detail the function keys and menu functions of the front panel under the Modulation Analyzer Mode. This mode enables modulation analysis of incoming signals. Modulation types are as follows:  AM analog modulation ...

  • Page 83: Basic Settings

    SIGLENT 3.1 Basic Settings 3.1.1 Frequency Switch to the Frequency Settings menu by pressing Frequency on the front panel. When entering the frequency menu, the “Center Freq” is selected by default. 3.1.1.1 Center Freq Set the modulated carrier frequency. Table 3-1 Center Freq...
  • Page 84 SIGLENT 3.2.1.2 Symbol Rate Set the symbol rate of the signal to be analyzed. Press Meas Setup, then select "Symbol Rate", you can input the symbol rate and change the symbol rate by the knob. Table 3-3 Symbol Rate Parameter...
  • Page 85 SIGLENT  Gauss  Half Sine  Note: The rule of common filter type selected Transmitter Filter Measure Filter Reference Filter Sqrt Nyquist Sqrt Nyquist Nyquist Nyquist Nyquist Gauss Gauss Half Sine Half Sine 3. Filter Alpha/BT  For Sqrt Nyquist and Nyquist filter settings, you can set the alpha parameter. It can be set the same as the transmitter.
  • Page 86 SIGLENT 2. Avg Open and close the average option for the measurement result. It can set the average number. When the Avg Number is set to off, the column title "Average" in numerical results view will be changed to "Current". The "Average" measurement result will be stable if the average number is set to larger values.

  • Page 87: Analog Modulation Analysis

    SIGLENT 6. Copt to Copy the currently selected trace to another trace. 7. Properties Eye Length Set the length of the Eye diagram. Symbol Table Display the demodulation digital symbols (binary or hex). 3.2.2 Analog Modulation Analysis When AM or FM modulation type is selected, analog modulation analysis is carried out.

  • Page 88: Sweep And Functions

    SIGLENT measure the lower modulation frequency signal. The EqLPF bandwidth should be as narrow as possible to improve the S/N ratio, but also need to be larger than the modulation frequency. Table 3-9 EqLPF Parameter Explanation Default IFBW/6 Range Off, IFBW/6, IFBW/20, IFBW/60, IFBW/200, IFBW/600, IFBW/2000 Unit kHz、Hz...

  • Page 89: Sweep

    SIGLENT 3.3.2 Sweep Select "single" or "continue" type for sweep. Press Sweep into the menu. When "single" sweep type is selected, it will start a new sweep if meets the trigger even, after press the menu button "single".  Single Sweep ...

  • Page 90: Chapter 4 System Settings

    SIGLENT Chapter 4 System Settings 4.1 System 4.1.1 Language The analyzer supports a multi-language menu, Chinese and English built-in help and popup messages. Press this key to select the desired display language. 4.1.2 Power On/Preset 4.1.2.1 Power On Set the power on setting to Default, Last or User.

  • Page 91: Interface

    SIGLENT 4.1.3 Interface The analyzer supports communications through LAN, USB and the SIGLENT USB-GPIB adapter as standard remote computer control interfaces. 4.1.3.1 Configure the related parameters of the LAN connection by “Static” or “DHCP” method. As a default, the IP config is DHCP.

  • Page 92: Calibration

    SIGLENT 2. Password Set the password for login VNC. 3. View Only Set whether the analyzer is in view-only mode on VNC. When the view-only mode is turned on, the analyzer can only be viewed and cannot be operated on VNC.

  • Page 93: Date And Time

    SIGLENT 4.1.5.2 Load Option Press “Load Option” and then enter the sequence code in the pup-up box to load the options. Options can also be loaded by loading License files in File ->”Open/Load”. Figure 4-3 Load Option 4.1.5.3 Firmware Update Press “Firmware Update”...

  • Page 94: Self Test

    SIGLENT 4.1.7 Self Test Screen Test Test whether the screen has any pixel defects by displaying five colors: White, Red, Green, Blue and Black. Press ‘Preset’ key to switch the screen color and press ‘←’ key to exit the test.

  • Page 95: Touch Settings

    SIGLENT Figure 4-5 Inverse color Screenshot 4.2.3 Touch Settings You can turn on or off touch screen settings and touch assistance. Touch assistance can be moved to any position on the screen after the touch screen settings are opened. Figure 4-6 Touch assistance...

  • Page 96: Power Saving

    SIGLENT 4.2.4 Power Saving After setting the power saving, the screen backlight can be turned off when there is neither touch screen operation nor button operation for a certain period of time. The screen backlight will be turned on after a touch screen operation or button operation.

  • Page 97: File

    SIGLENT Table 4-2 Display Line Parameter Explanation Default 0 dBm REF Level + REF Offset – 10*Scale/Div ~ REF Level + ref Offset Range Unit Knob Step Direction Key Step Scale/Div 4.3 File 4.3.1 Browser Browser type including “Dir” and “File”, Dir: When selected, use the knob or direction keys to change the highlighted directory.

  • Page 98: Save

    SIGLENT change, even if you adjust the parameters. COR(Correction) COR files store the data used to mathematically adjust the displayed input signal based on external factors (Cable loss, Amplifier/Antenna gain, etc.). They are saved in ASCII format, which can be read by humans.

  • Page 99: Shortcut Key

    SIGLENT Select all the files and folders in the current directory. Cut the Selected file or folder, and delete the primary one after paste. Copy Copy the Selected file or folder for paste. Paste Paste the file cut or copied before into the current.
  • Page 100 SIGLENT Amplitude Ref Level 0 dBm Attenuator Auto, 20 dB Preamp Units Scale/Div 10 dB Scale Type Ref Offset 0 dBm Corrections 50 Ω RF Input Apply Corrections Correction x Correction x data Null Auto, 1MHz Auto, 1MHz VBW/RBW Avg Type...
  • Page 101 SIGLENT Avg Times Output Z Input X Input Y Constant 0 dB Math Type Detect Select Trace Detect Type of Trace A Pos Peak Limit Limit1 Off, Limit Upper, 0 dBm Limit2 Off, Limit Lower, -100 dBm Test Stop Fail to stop...
  • Page 102 SIGLENT Mode Spec Analyzer Measure Meas Type Measure Setup Channel Power Center Freq 750 MHz Integration BW 2 MHz Span 1.5 GHz ACPR Center Freq 750 MHz Main Channel 1 MHz Adjacent Chn 1 MHz Adj Chn Space 3 MHz...
  • Page 103 SIGLENT Display** Grid Brightness Screenshot Normal Touch Touch Assistant Power Saving Always On Annotation Display Line Off, 0 dBm Table 4-4 Default Preset of Modulation Analyzer Mode Parameter Default Measure Meas Type Analog Modulation Frequency Center Freq 100 MHz Freq Step...
  • Page 104 SIGLENT Relative To Couple Meas Setup IFBQ Auto, 1.2 MHz EqLPF Auto, 200 kHz Average Avg Times Digital Modulation Frequency Center Freq 100 MHz Freq Step 10 kHz Span Span 31.25 kHz Amplitude Attenuator Auto, 20 dB Preamp Ref Level of Trace A...

  • Page 105: Couple

    SIGLENT Data of Trace D IQ Meas Time Format of Trace D I-Eye Properties Eye Length Symbol Table Marker Select Trace Select Marker Marker Type Normal Relative To Couple Meas Setup Format 16QAM Symbol Rate 10 ksps Points/Symbol Meas Length...

  • Page 106: Help

    SIGLENT VBW has a coupling relationship with the span. Please refer to the introduction of "VBW". Sweep time Sweep time has a coupling relationship with RBW, VBW and span. Please refer to the introduction of "Sweep Time". Mode Couple Some of the basic parameters are allowed to be set up in coupled operation between different modes.

  • Page 107: Chapter 5 Programming Overview

    SIGLENT Chapter 5 Programming Overview The analyzer features LAN, USB Device, and SIGLENT GPIB_USB module interfaces. By using a computer with these interfaces, and a suitable programming language (and/or NI-VISA software), users can remotely control the analyzer based on SCPI (Standard Commands for Programmable Instruments) command set, LabView and IVI (Interchangeable Virtual Instrument), to interoperate with other programmable instruments.

  • Page 108: Gpib: Connecting The Analyzer Via The Usb-Host Port

    Refer to the following steps to finish the connection via USB: Install NI-VISA on your PC for GPIB driver. Connect the analyzer USB Host port to a PC’s GPIB card port, with SIGLENT USB-GPIB adaptor. Switch on the analyzer Figure 5-4 SIGLENT USB-GPIB Adaptor Press button on the front panel System→Interface→GPIB to enter the GPIB number.

  • Page 109: Build Communication

    SIGLENT 5.2 Build Communication 5.2.1 Build Communication Using VISA NI-VISA includes a Run-Time Engine version and a Full version. The Run-Time Engine version provides NI device drivers such as USB-TMC, VXI, GPIB, etc. The full version includes the Run-Time Engine and a software tool named NI MAX that provides a user interface to control the device.
  • Page 110 SIGLENT Set the install path, default path is “C:\Program Files\National Instruments\”, you can change it. Click Next, dialog shown as above. Click Next twice, in the License Agreement dialog, select the “I accept the above 2 License Agreement(s).”, and click Next, dialog shown as below: Click Next to run installation.

  • Page 111: Build Communication Using Sockets/Telnet

    SIGLENT Now the installation is complete, reboot your PC. 5.2.2 Build Communication Using Sockets/Telnet Through the LAN interface, VXI-11, Sockets and Telnet protocols can be used to communicate with the analyzer. VXI-11 is provided in NI-VISA, while Sockets and Telnet are commonly included in PC’s OS initially.

  • Page 112: Remote Control Capabilities

    SIGLENT 5.3 Remote Control Capabilities 5.3.1 User-defined Programming Users can use SCPI commands to program and control the analyzer. For details, refer to the introductions in “Programming Examples”. 5.3.2 Send SCPI Commands via NI MAX Users can control the analyzer remotely by sending SCPI commands via NI-MAX software. NI_MAX is National Instruments Measurement and Automation Explorer.
  • Page 113 SIGLENT 5.3.2.2 Using LAN Select “Add Network Device”, and select “VISA TCP/IP Resource” as shown: Run NI MAX software. Click “Device and interface” at the upper left corner of the software; Find the “Network Devices” symbol, click “Add Network Devices”;...

  • Page 114: Easy Spectrum Software

    Users can control the analyzer remotely by Easy Spectrum. PC software Easy Spectrum is an easy-to-use, PC-Windows-based remote control tool for Siglent’s analyzer. You can download it from Siglent’s website. To connect the analyzer via the USB/LAN port to a PC, you need install the NI VISA first.

  • Page 115: Web Control

    SIGLENT 5.3.1 Web Control With the embedded web server, the analyzer can be controlled through LAN from a web browser* on PC and mobile terminals, without any extra driver be installed. This provides remote controlling and monitoring capabilities. Screenshot and firmware update are also supported.

  • Page 116: Chapter 6 Service And Support

    Chapter 6 Service and Support 6.1 Service Summary SIGLENT warrants that the products that it manufactures and sells will be free from defects in materials and workmanship for a period of three years (accessories for a period of one year) from the date of shipment from an authorized Siglent distributor.
  • Page 117 (4) Calibrate the instrument regularly to reduce or avoid errors that might occur over time. If you need a specific calibration after the stated calibration period, contact SIGLENT or get paid service from authorized measurement agencies.

  • Page 118: Contact Us

    SIGLENT 6.3 Contact Us China SIGLENT TECHNOLOGIES CO., LTD. Add: Bldg No.4 & No.5, Antongda Industrial Zone, 3rd Liuxian Road, Bao'an District, Shenzhen, 518101, China. Tel: + 86 755 3661 5186 Fax: + 86 755 3359 1582 Email: sales@siglent.com; Website: http://www.siglent.com/ens/...

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