Gw-instek GSP-930 User Manual User Manual

Spectrum Analyzer GSP-930 USER MANUAL REVISION 1.1 APRIL 2012 ISO-9001 CERTIFIED MANUFACTURER

GSP-930 User Manual 8 GETTING STARTED This chapter provides a brief overview of the GSP-930, the package contents, instructions for first time use

GSP-930 User Manual 98 Display The Display key configures the basic display settings as well as setting up the display mode (spectrum, spectrograp

BASIC OPERATION 99 Setting a Display Line (Reference Level Line) Description The Display Line function is used to super-impose a reference level li

GSP-930 User Manual 100 Setting the Display Mode Description The GSP-930 has three different display modes for viewing: spectrum, spectrograph an

BASIC OPERATION 101 Example: Spectrogram The Spectrogram view shows signals in both the frequency and time domain. The X-axis represents frequency,

GSP-930 User Manual 102 Topographic The topographic view shows the frequency of events. The topographic view is useful for observing smaller sign

BASIC OPERATION 103 Topographic +Spectrum Displays both topographic and spectrum views of the signal. Split Spectrum View Description The split sp

GSP-930 User Manual 104 Note No operations can be performed in alternate sweep mode. After exiting the split spectrum view, the analyzer will us

BASIC OPERATION 105 System Settings System Information Description The System Information displays the following: Serial Number Installed Option

GSP-930 User Manual 106 3. Press Clear Error Queue[F6] to clear the error messages from the list. Set the System Language Description The GSP-93

BASIC OPERATION 107 Using the Wake-Up Clock Description The GSP-930 has a wake-up clock to allow the spectrum analyzer to automatically turn on at

GETTING STARTED 9 GSP-930 Introduction The GSP-930 is the most advanced spectrum analyzer GW Instek has produced to date. The GSP-930 features a spl

GSP-930 User Manual 108 Alarm Output Description Allows the pass/fail output to be output via the ALARM OUT port. Output: Open collector VoRAla

BASIC OPERATION 109 Preset The Preset function loads either factory default states or the user-defined states – depending on the Preset configurati

GSP-930 User Manual 110 Preset Type Settings Description Each time the Preset key is pressed, a set of preset configuration settings are loaded.

ADVANCED OPERATION 111 ADVANCED OPERATION Measurement ... 112 Channel Analysis Overvie

GSP-930 User Manual 112 Measurement This section describes how to use the automatic measurement modes. The GSP-930 includes the following measurem

ADVANCED OPERATION 113 Adjacent channel bandwidth 1 & 2 The frequency bandwidth the adjacent channels occupy. Range: Between 0Hz~3GHz (0Hz exc

GSP-930 User Manual 114 ACPR Description Adjacent channel power refers to the amount of power leaked to the adjacent channel from the main channe

ADVANCED OPERATION 115 ADJCH2Channel power resultsADJCH3ADJCH1Main CH 3. Press Meas> Channel Analysis[F1]>ACPR Setup[F1]> and set the fol

GSP-930 User Manual 116 ADJCH Offset[F4] Set the adjacent channel offset. ADJCH HLimit[F5] Set the adjacent channel high limit. ADJCH LLimit[F5

ADVANCED OPERATION 117 OCBW Description Occupied bandwidth measurements are used to measure the power of the occupied channel as a percentage to th

GSP-930 User Manual 10  Channel power measurement  Demodulation analyzer  Diverse marker functions and features with Peak Table  Sequence

GSP-930 User Manual 118 Channel power and total power resultsCH BW 3. Press OCBW Setup[F3] to enter the OCBW setup: CHBW[F1] Set the channel ba

ADVANCED OPERATION 119 AM/FM Analysis AM Analysis Description When amplitude modulation is turned on, the input signal is centered on the center f

GSP-930 User Manual 120 AM modulationmeasurementsAM waveform 4. Press Setup[F2]>IF Bandwidth[F1] and set the Intermediate frequency bandwidth

ADVANCED OPERATION 121 Ref. Value[F1] Sets the starting time on the time axis. Ref. Pos[F2] Shifts the waveform X number of grid subdivisions. Sc

GSP-930 User Manual 122 Trigger Mode[F3] Sets the triggering mode: Nor.: Normal trigger Sgl.: Single trigger Cont.: Continuously trigger Trigge

ADVANCED OPERATION 123 FM Analysis Description When frequency modulation is turned on, the input signal is centered on the carrier frequency and th

GSP-930 User Manual 124 FM modulationmeasurementsFM waveform 4. Press Setup[F2]>IF Bandwidth[F1] and set the Intermediate frequency bandwidth

ADVANCED OPERATION 125 6. Press Time Axis[F3] to set horizontal axis parameters: Ref. Value[F1] Sets the starting time on the time axis. Ref. Po

GSP-930 User Manual 126 Trigger Mode[F3] Sets the triggering mode: Nor.: Normal trigger Sgl.: Single trigger Cont.: Continuously trigger Trigge

ADVANCED OPERATION 127 AM/FM Demodulation Description The GSP-930 has a convenient AM/FM demodulation function to tune into AM or FM broadcast sign

GETTING STARTED 11 Accessories Standard Accessories Part number Description Region dependant User manual Region dependant Power cord Options Op

GSP-930 User Manual 128 N dB Bandwidth Description N dB bandwidth measurements are used to measure the frequency bandwidth that covers a specifie

ADVANCED OPERATION 129 N dB BW MeasurementNdB BW 3. Press NdB[F2] to set the NdB amplitude: Amplitude: 0.1dB ~ 80.0 dB Note The NdB bandwidth me

GSP-930 User Manual 130 Measurement items Carrier Power: dBm Jitter in phase: rad Jitter in time: ns Example Stop OffsetStart Offset Operation:

ADVANCED OPERATION 131 Phase jitter measurementsStart offsetStop offset 3. Press Start Offset[F2] to set the start offset: Offset: (0Hz ~ ½ span

GSP-930 User Manual 132 Spectrum Emission Mask Overview Description SEM measurements are used to measure the out-of-channel emissions relative to

ADVANCED OPERATION 133 Chan Span: Used to define the span of the main channel when measuring the channel power. RBW: Sets the resolution bandwid

GSP-930 User Manual 134 Abs Stop: Sets the absolute level limit at the Stop Freq for the selected offset number. The Abs Stop level limit can be

ADVANCED OPERATION 135 Offset 1~5: Lower dBm, Upper dBm 3GPP Operating Bands* Operating Band UL Frequencies UE transmit, Node B receive DL Freque

GSP-930 User Manual 136 3GPP-FDD BS For the FDD configuration, different limits can by chosen based on the total channel power, P. The default val

ADVANCED OPERATION 137 For P<31, two additional power limits (shown below) can be selected via the Additional Max Out. Pwr option for Home BS ap

GSP-930 User Manual 12 Package Contents Check the contents before using the GSP-930. Opening the box Contents (single unit)  Main uni

GSP-930 User Manual 138 3GPP-FDD UE Additional Requirements Additional requirements for 3GPP-FDD UE. Bands II, IV, X Unit: MHz Additional[3] RBW

ADVANCED OPERATION 139 31≤P<39 Unit: MHz Abs[1] RBW 2.5 ≤A<2.7 P-53dBm 30kHz 2.7≤B<3.5 P-53~P-65dBm 30kHz 3.5≤C<7.5 P-52dBm 1MHz 7.5≤C&

GSP-930 User Manual 140 3GPP-TDD BS 7.68 Mcps The channel span: 7.68Mcps: 10MHz. P≥43 Unit: MHz Abs[1] RBW 5 ≤A<5.2 -17dBm 30kHz 5.2≤B<6 -1

ADVANCED OPERATION 141 3GPP-TDD UE The channel span: 3.84Mcps: 5MHz. 1.28Mcps: 1.6MHz. 7.68Mcps: 10MHz. Note: A, B, C, D, E denote offsets 1 to 5, r

GSP-930 User Manual 142 802.11g The channel span: ERP-OFDM/DSSS-OFDM : 18MHz ERP-DSSS/ERP-PBCC/ERP-CCK: 22MHz Note: A, B, C, D denote offsets 1

ADVANCED OPERATION 143 CH BW 40MHz Unit: MHz Rel[2] RBW 19 ≤A<21 0~-20dBc 100kHz 21≤B<40 -20~-28dBc 100kHz 40≤C<60 -28~-45dBc 100kHz 60≤D&

GSP-930 User Manual 144 highest value (Abs or Rel) is used as the Pass/Fail judgment. The trace points under the limit indicate a pass. Case2: If

ADVANCED OPERATION 145 SEM measurementsAbsolute limit line User Defined Parameters 1. Press Setup[F1]>User Define[F6]to set SEM measurement to u

GSP-930 User Manual 146 5. Press Offset/Limit[F3] to set the offset parameters: SelectOffset[F1] Select which offset to edit. [F2] Toggles

ADVANCED OPERATION 147 Rel Stop[F5] Sets the relative stop level for the selected offset. Man: Allows a user-defined Abs Stop level. Couple: Sets

GETTING STARTED 13 Appearance GSP-930 Front Panel FrequencyAutosetAmplitudeSpanBW/AvgDisplayTraceSweepMeasTriggerSequenceFileRecallSavePeakMarker-&g

GSP-930 User Manual 148 2. Press Ref. Channel[F2] and set the following: RBW[F3] Sets the resolution bandwidth. 3. All other reference chann

ADVANCED OPERATION 149 Add.limits[F4] Selects the operating bands for FDD duplexing: None BandII BandIV BandV BandX BandX11 BandXIII BandXIV MinOf

GSP-930 User Manual 150 Third Order Intermodulation Distortion (TOI) Description Third order intermodulation distortion measurement is used to ca

ADVANCED OPERATION 151 Example 3rd Order UpperBase Lower3rd Order LowerLimitBase UpperΔf Operation: 1. Press Meas> TOI[F6]>TOI[F1] and turn

GSP-930 User Manual 152 3. Press Reference[F2] to set the reference to the upper or lower base frequencies. 4. Press Limit[F3] and set the l

ADVANCED OPERATION 153 Measurement items Visual Carrier frequency, amplitude CNR amplitude difference Δf frequency difference between visual carrie

GSP-930 User Manual 154 5. Press CNR[F2] and turn CNR on.  Any other measurement mode will automatically be disabled.  Ensure the aural an

ADVANCED OPERATION 155 Composite Second Order (CSO) Description Composite Second Order measurement calculates the difference in amplitude between t

GSP-930 User Manual 156 CSO measurementsVisual carrier markerCSO beat marker 4. Press CSO CH SP[F2] to set the channel space. Range: 0~3GHz

ADVANCED OPERATION 157 Example 2CTB dB1Visual carrier markerCTB Beat markerChannel spacingTo next main channel Operation: 1. Press Meas> CNR/CS

GSP-930 User Manual 14 Span Sets the span, with options for full span, zero span and last span. Amplitude Sets the amplitude reference level, at

GSP-930 User Manual 158 4. Turn off the visual carrier signal from the input and press the Enter key on the front panel. 5. A second trace wil

ADVANCED OPERATION 159 Limit Line Testing The limit line is used to set the upper or lower amplitude limits over the entire frequency range. The lim

GSP-930 User Manual 160 Spectrum displayLimit Line Table 3. Press Point Num[F1] and choose a point number to edit (must start at #1). 4. Press F

ADVANCED OPERATION 161 Creating a Limit (from Trace Data) Description Trace data can be used to create limit lines. A 10 point limit line is creat

GSP-930 User Manual 162  A limit line can be created any number of times. 5. Press Return[F7]>Save Save Limit Line[F5] to save the currently

ADVANCED OPERATION 163 to edit (must start at #1). 4. Press Limit Offset[F3] and set offset level for the point. 5. Press Mkr Data to Point[F2].Th

GSP-930 User Manual 164 Operation 1. Press Limit Line>Pass/Fail Test. 2. To set a high limit, press High Limit[F1] and choose one of the limi

ADVANCED OPERATION 165 Sequence The Sequence function records and plays back user-defined macros, up to 5 sequences are available in repeat or singl

GSP-930 User Manual 166 Sequence Editor windowMain displayStart Edit/Stop Edit icon Add a Step Up to 20 steps can be added to each sequence. Each

ADVANCED OPERATION 167 Add Delay to Sequence The delay function adds a delay between steps. 1. Press Delay Time[F2]> and enter the delay time.

GETTING STARTED 15 Trigger Sets the triggering modes. File File File utilities options QuickSave The Quick Save utility allows you to save either

GSP-930 User Manual 168 Insert Sequence Inserts another sequence into the current sequence. 1. Press Do Sequence[F4]> and select a sequence to

ADVANCED OPERATION 169 Save Current Sequence After a sequence has been edited (and stopped) it can be saved. 1. Press Sequence>Save Sequence[F4]

GSP-930 User Manual 170 Tracking Generator The tracking generator is a factory installed option that generates a sweep signal with its sweep time

ADVANCED OPERATION 171 the set TG Level and increases/decreases linearly to the set Power Sweep level at the end of the sweep. Range: -5dB to +5

GSP-930 User Manual 172 5. Press Norm.[F5] to toggle the normalized data on/off. Alternatively, press Exe. Norm.[F1] to perform the normalizatio

ADVANCED OPERATION 173 Power Meter When using the optional power meter, the GSP can measure and log the average signal power level of a DUT from -32

GSP-930 User Manual 174 Unit dBm, W 4. Press Frequency[F2] choose measurement frequency: Frequency 1MHz~6200MHz Resolution: 1MHz 5. Press S

ADVANCED OPERATION 175 MIN HOLD measurementMIN HOLD measurement Note The return to the Spectrum Mode, press Mode> Spectrum[F1]. Data Logging Po

GSP-930 User Manual 176 SD Card: External micro SD card Note The micro SD card option will only be available when a micro SD card is inserted in

ADVANCED OPERATION 177 Press Enter to confirm setting the filename. Note If the file name is not user-defined, a file name will be automatically

GSP-930 User Manual 16 Mode The Mode key sets the spectrum analyzer to either Spectrum or Power Meter mode. System The System key shows system i

GSP-930 User Manual 178 FILE File Overview The File function is used for basic file related operations including navigation, sorting coping and de

FILE 179 File Type Overview Local The GSP-930 has 16MB of local memory to save data to. USB The GSP-930 can save to an external USB flash memory dr

GSP-930 User Manual 180 File Types Overview The file types are listed in order as shown in the file State State data contains the state of th

FILE 181 Correction Correction data contains the following correction (line) data:  Point number  Frequency value of point  Gain offset of po

GSP-930 User Manual 182 4. The left/right arrow keys can be used to move to the next/previous page of files in the file list. View Files by Typ

FILE 183 Copy Files Description Files from local memory can be copied to external memory such as USB or micro SD card and vice versa. Connect Exter

GSP-930 User Manual 184 Selecting files 1. Press File>File Explorer. 2. Select a file from local or external memory. 3. Press Move to[F4].

FILE 185 Delete Warning 1. To enable a prompt to confirm the deletion of a file, press Delete Warning[F2] and select an option: Don’t Ask No confi

GSP-930 User Manual 186 Limitations:  No spaces  Only 1~9, A~Z, a~z characters allowed ABCDEFGHIJKLMNOPQRSTUVWXYZACDEBLowercaseReturnacdeb Re

FILE 187 Save Files Description Any function settings or configurations that have been applied to the spectrum analyzer can be saved using the Save

GETTING STARTED 17 Numeric keypad 7 8 96541 2 3/0BK SPEnter The numeric keypad is used to enter vales and parameters. It is often used in conjuncti

GSP-930 User Manual 188 For power meter: Power meter 1 ~5 4. For trace data, press Format[F4] to select the format type to save: Trace: Save

FILE 189 ABCDEFGHIJKLMNOPQRSTUVWXYZACDEBLowercaseReturnacdeb ReturnName>Return 8. The filename appears on the bottom of the screen as it is cre

GSP-930 User Manual 190 Note If the file name is not user-defined, a file name will be automatically created in the following format for data fil

FILE 191 Power meter Power meter data 3. Press Destination[F3] to select the destination for the file type: For State data: Local state data Fo

GSP-930 User Manual 192 Quick Save Description The QuickSave key is a hot key to save files with a single press. The type of file that is saved i

FILE 193 Note The file name will be automatically created in the following format for data files: File name: Type_data source_XX.file extension The

GSP-930 User Manual 194 REMOTE CONTROL This chapter describes basic configuration of IEEE488.2 based remote control. For a command list, refer to

REMOTE CONTROL 195 Interface Configuration Configure to USB Remote Interface USB configuration PC side connector Type A, host GSP side connector Re

GSP-930 User Manual 196 4. Press System>More 1/2[F7]>RmtInterface Config[F2]>GPIB Addr and set the GPIB address. GPIB address 0~30 GP

REMOTE CONTROL 197 Settings 1. Press System>More 1/2[F7]>RmtInterface> LAN[F2]>LAN Config[F1] to set the LAN settings: IP Address[F1]

This manual contains proprietary information, which is protected by copyright. All rights are reserved. No part of this manual may be photocopied,

GSP-930 User Manual 18 Rear Panel AC 100 240V50 60 Hz 82W MAX.AC 100 240V50 60 Hz 82W MAX.USB-B, LAN portFanDVI-I portIF OUTTRIG I

GSP-930 User Manual 198 ABCDEFGHIJKLMNOPQRSTUVWXYZACDEBLowercaseReturnacdeb ReturnLXIPassword>Return Menu tree to enter the password 3. The p

REMOTE CONTROL 199 Configure RS232C Background The RS232C interface is used for remote control with a PC. RS232C Configuration settings Baud Rate S

GSP-930 User Manual 200 number, Serial number, and Firmware version in the following format.  GW-INSTEK,GSP-930, XXXXXXXXXXXX, V.X.X.X.X Manufac

REMOTE CONTROL 201 LXI Browser Interface and Function Check Functionality check Enter the IP address of the spectrum analyzer in a web browser af

GSP-930 User Manual 202 View & Modify Configuration The View & Modify Configuration allows you to modify the LAN settings from the browser

REMOTE CONTROL 203 SCPI Command The SCPI Command page allows you to enter SCPI commands directly from the browser for full remote control. Please se

GSP-930 User Manual 204 GPIB/LAN Control Function Check Functionality check Please use the National Instruments Measurement & Automation Co

FAQ 205 FAQ • I connected the signal but it does not appear on screen. • I want to see which optional items are installed. • The performance does n

GSP-930 User Manual 206 APPENDIX Replace the Clock Battery Background The system clock and wake-up clock keep time using a button battery. Batte

APPENDIX 207 Glossary of Acronyms Acronym Definition 3GPP 3rd Generation Partnership Project ACPR Adjacent Channel Power Ratio BS Base Station CF C

GETTING STARTED 19 Battery pack Voltage: 10.8V Capacity: 5200mAH REF IN BNC female reference input. REF OUT BNC female reference output: 10MHz, 5

GSP-930 User Manual 208 TG Tracking Generator TOI Third Order Intercept UE User Equipment UP Up Link VBW Video Bandwidth

APPENDIX 209 GSP-930 Default Settings The following default settings are the factory configuration settings for the spectrum analyzer (Function sett

GSP-930 User Manual 210 Meas ACPR: Off OCBW: Off AM Analysis: Off FM Analysis: Off Ear phone Out: Off NdB BW: Off Phase Jitter: Off SEM: Off

APPENDIX 211 Menu Tree Amplitude Ref Level-30 dBAmplitudeAttenuation10dBAuto ManScale/Div10 5 2 1Scale TypeLog Li

GSP-930 User Manual 212 dBmdBmVdBuVWattsVolts dBmWmWnWpW dBmVVmVuVdBm dBuVVmVuVdBm WmWuWnWpWdBm VmVuVdBmVdBuVdBm Y Axis>dBm

APPENDIX 213 Frequency, Span, Autoset, BW Avg, Sweep Center Freq1.2345GHzFrequencyStart Freq1.2345GHzStop Freq1.2345GHzCF Step1.00000MHzAuto

GSP-930 User Manual 214 Limit Line EditSelect Limit>Pass/FailTest> Limit Line>1Point by Point>Trace Data toLimit Line>Mkr Data

APPENDIX 215 Trigger, Sequence Free RunTrigger Condition>VideoTrigger ModeNor. Sgl. Cont.Trigger Delay50.0 msAction Now Video>Ext. EdgePos

GSP-930 User Manual 216 Trace, Display Select Trace>1Clear & WriteMax Hold-130.0dBmMin Hold ViewBlankMore1/2Trace Math>Detection>Nor

APPENDIX 217 Marker Select Marker>1on offNormalDelta>Function>All OffMore 1/2Marker 1Marker 2Marker 3Marker 4Marker 5Marke

GSP-930 User Manual 20 Display Scale and Reference levelAttenuation levelDate and timeFunction menuMarker informationTrigger settingsPre-amp setti

GSP-930 User Manual 218 Peak Search, Marker-> Peak SearchMkr>CenterNext PeakNext Peak RightNext Peak LeftMin SearchMore 1/2Peak TrackOn

APPENDIX 219 System System InformationError message>Language>EnglishDate/Time>Pwr On/preset>Alarm OutputOn OffMore1/2Show

GSP-930 User Manual 220 Select Clock>1StateOn OffHour13Minute08Rept. SingleDate>MondayReturnClock 1Clock 2Clock 3Clock 4Clock

APPENDIX 221 Tracking Generator> ReturnTGOn OffTG Level0.00dBmTG Lvl Offset0.000dBTG Lvl Step0.000dBAuto ManPower Swee

GSP-930 User Manual 222 Mode, File SpectrumPower Meter Power UnitdBm mVFrequency3 MHzSensor ModeLowNoise FastPass/FailTest>Tri

APPENDIX 223 AllStateTraceScreenLimit LineCorrectionMore 1/2SequencePower Meter Return 2/2Delete NowDelete WarningDon’t Ask Ask ReturnABCDE

GSP-930 User Manual 224 Save (Mode = Power Meter) See: File>RenameAccording to type:Save To>LocalType>StateData Source>Local StatePME

APPENDIX 225 Register 1Register 2Register 3Register 4Register 5Register 6More 1/2Register>LocalUSBSD Card ReturnFrom: Save>Save To>Local

GSP-930 User Manual 226 (Mode = Spectrum) Save To>LocalType>TraceData Source>Trace 1Format>Tracename> Save NowStateTraceScreenLine

APPENDIX 227 Recall (Mode = Power Meter) According to type:Recall From>LocalType>StateDestination>Local StateRecall Now State Power

GETTING STARTED 21 Sweep settings Sweep icon that shows the sweep status. See page 66 for details. Trigger settings Trigger icon that shows the tr

GSP-930 User Manual 228 (Mode = Spectrum) Recall From>LocalType>TraceDestination>Trace 1Recall Now StateTrace Line LineCorrectionSequen

APPENDIX 229 Measure Channel Analysis>Demod>NdBBandwidth>PhaseJitter>SEM>TOI>CNR/CSO/CTB>ACPR Setup>ACPROn Of

GSP-930 User Manual 230 AM Analysis>FM Analysis>Sound> ReturnEarphone OutOn OffVolume10Digital Gain Control0.000dBDemod

APPENDIX 231 IF Bandwidth300kHzLPF>BypassTime Axis>Depth Axis>AF Trigger> ReturnBypass3kHz5kHz23kHz150kHz200kHz Ref. Value0.0nsRef. Pos

GSP-930 User Manual 232 IF Bandwidth300kHzLPF>BypassTime Axis>Deviation Axis>AF Trigger> ReturnBypass3kHz5kHz23kHz150kHz200kHz Ref. V

APPENDIX 233 SEM Setup>3GPPSEMOn OffDef. HelpOn Off Return3GPP>802.11b>802.11g>802.11n>802.16n>User

GSP-930 User Manual 234 TransmissionBS UEMax Out Pwr>P>=43Additional Max Out Pwr>NoneAdd. LimitsNoneMin Offset/LimitValue&g

APPENDIX 235 NoneBand IIBand IVBand VBand XBand XIIMore 1/2Band XIIIBand XIV TransmissionBS UE Add. LimitsNoneMin Offset/LimitVal

GSP-930 User Manual 236 TransmissionBS UEChip Rate3.84M 1.28M7.68M Min Offset/LimitValue> ReturnOffset1 2 3 4 5O

APPENDIX 237 Offset1 2 3 4Start Freq2.7MHzStop Freq2.7MHzRBW3MHzRel Start-22dBc Rel Stop-22dBcReturnChan Integ BW3.84MHz Chan Span3.96

GSP-930 User Manual 22 Status Icon Overview PreAmp Indicates that the pre amplifier is on. AC Shown when running on AC power. AC Charge Shown

GSP-930 User Manual 238 From: Measure>SEM>802.11g>Offset/Limit>Min Offset/Limit802.11g modulation=OFDMOffset1 2On

APPENDIX 239 AbsoluteRelativeAbs AND RelAbs OR Rel Meas Type>Total Pwr RefRef. Channel>Offset/Limit> ReturnTotal Pwr RefPSD Ref Cha

GSP-930 User Manual 240 GSP-930 Specifications The specifications apply when the GSP is powered on for at least 30 minutes to warm-up to a tempera

APPENDIX 241 Phase Noise Offset from Carrier Fc =1 GHz; RBW = 1 kHz, VBW = 10 Hz; Average ≥ 40 10 kHz <-88 dBc/Hz Typical2 100 kHz <-95 dBc/

GSP-930 User Manual 242 1 dB Gain Compression Total Power at 1st Mixer > 0 dBm Typical;Fc ≥ 50 MHz; preamp. off Total Power at the Preamp &g

APPENDIX 243 Absolute Amplitude Accuracy Absolute Point Center=160 MHz ; RBW 10 kHz; VBW 1 kHz; span 100 kHz; log scale; 1 dB/div; peak detector;

GSP-930 User Manual 244 Spurious Response Second Harmonic Intercept Preamp off; signal input -30dBm; 0 dB attenuation +35 dBm Typical; 10 MHz &

APPENDIX 245 Power for Option Connector Type SMB male Voltage/Current DC +7V / 500 mA max With short-circuit protection USB Host Connector Type

GSP-930 User Manual 246 IF Output Connector Type SMA female Impedance 50 ohm Nominal IF Frequency 886 MHz Nominal Output level -25 dBm 10 dB

APPENDIX 247 Tracking Generator (Optional) Frequency Range 100 kHz to 3 GHz Output Power -50 dBm to 0 dBm in 0.5 dB steps Absolute Accuracy ±

GETTING STARTED 23 External Lock Indicates that the system is now locked and refers to the external reference input signal External Trigger Extern

GSP-930 User Manual 248 Power Measurement Uncertainty @ 25 °C -30 dBm to +5 dBm: 1 MHz to 3GHz: ±0.10 dB typical 3 GHz to 6 GHz: ±0.15 dB typica

APPENDIX 249 GSP-930 Dimensions FrequencyAutosetAmplitudeSpanBW/AvgDisplayTraceSweepMeasTriggerSequenceFileRecallSavePeakMarker->MarkerSystemM

GSP-930 User Manual 250 Declaration of Conformity We GOOD WILL INSTRUMENT CO., LTD. No. 7-1, Jhongsing Rd, Tucheng Dist., New Taipei City 236, Ta

INDEX 251 INDEX Accessories ... 11 ACPR ... 114 Adjacent channel power ...

GSP-930 User Manual 252 Firmware update ... 30 First time use instructions ... 24 FM Analysis ...

INDEX 253 RBW ... 61 Rear panel diagram ... 18 Remote control ... 19

GSP-930 User Manual 24 First Use Instructions Use the procedures below when first using the GSP-930 to tilt the stand, insert the battery pack, po

GETTING STARTED 25 Inserting the Battery Pack Description The GSP-930 has an optional battery pack. The battery should be inserted before power is

GSP-930 User Manual 26 Power UP Steps 1. Insert the AC power cord into the power socket. 2. The power button exterior will be lit blue to ind

GETTING STARTED 27 Power Down Description The GSP-930 has two methods to power down: Normal and Forced Power Down. The normal power down method w

SAFETY INSTRUCTIONS 1 Table of Contents SAFETY INSTRUCTIONS ... 3 GETTING STARTED ...

GSP-930 User Manual 28 Setting the Date, Time and Wake-Up Clock Description The GSP-930 can be setup to power-up automatically using the Wakeup C

GETTING STARTED 29 Note The System Time will be shown at the top of the display. System Wake-Up Clock Example: Set the GSP-930 to wake up at 9.00 A

GSP-930 User Manual 30 Firmware Update Description The GSP-930 allows the firmware to be updated by end-users. Before using the GSP-930, please c

GETTING STARTED 31 6. The spectrum analyzer will automatically find the firmware on the USB flash drive and start to update the firmware. When fin

GSP-930 User Manual 32 Conventions The following conventions are used throughout the user manual. Read the conventions below for a basic grasp of

GETTING STARTED 33 Toggle State & Input Parameter Pressing this menu key will allow you to toggle the state of the function between Auto and Ma

GSP-930 User Manual 34 Parameter input Numerical keypadScroll wheel7410852963/EnterBK SPDirectional arrow keysBackspace, Enter keys Parameter va

GETTING STARTED 35 Using the scroll wheel Use the scroll wheel to alter the current value. Clockwise increases the value, anti-clockwise decreases t

GSP-930 User Manual 36 BASIC OPERATION Frequency Settings ... 39 Center Frequency ...

BASIC OPERATION 37 Limiting the Autoset Horizontal Search Range ...60 Bandwidth/Average Settings .

GSP-930 User Manual 2 REMOTE CONTROL ... 194 Interface Configuration ... 195

GSP-930 User Manual 38 Move Marker to Peak ... 93 Move Marker and P

BASIC OPERATION 39 Frequency Settings Center Frequency Description The center frequency function sets the center frequency and centers the display

GSP-930 User Manual 40 Start and Stop Frequency Description The start/stop frequency function will set the start and stop frequency of the span.

BASIC OPERATION 41 Center Frequency Step Description The CF Step function sets the step size of the center frequency when using the arrow keys. W

GSP-930 User Manual 42 Frequency Offset Description The Freq Offset function allows you to add an offset to the Center, Start and Stop frequencie

BASIC OPERATION 43 Span Settings Span Description The Span function will set the frequency range of the sweep. The sweep will be centered around th

GSP-930 User Manual 44 Full Span Description The Full Span function will set the span to the full frequency range. This function will set the s

BASIC OPERATION 45 Display Time domain0Hz Span Example: Amplitude modulation Note The measurement functions such as TOI, SEM, CNR, CTB, CSO, ACPR,

GSP-930 User Manual 46 Amplitude Settings The vertical display scale is defined by the reference level amplitude, attenuation, scale and external

BASIC OPERATION 47 Attenuation Description The attenuation of the input signal level can set to automatic (Auto) or manual (Man). When the attenuat

SAFETY INSTRUCTIONS 3 SAFETY INSTRUCTIONS This chapter contains important safety instructions that you must follow during operation and storage. R

GSP-930 User Manual 48 Scale/Div Description Sets the logarithmic units for the vertical divisions when the scale is set to Log. Operation 1. P

BASIC OPERATION 49 View Scale Description The Scale function turns the vertical scale on/off. The value of each graticule division is displayed wit

GSP-930 User Manual 50 Vertical Scale Units Description Change the vertical units for both linear or logarithmic scales. Operation 1. Press Amp

BASIC OPERATION 51 Example: Ref: 0dBm Before reference level offset(offset: 0dB) Ref: 10dBmReference level offset: 10dB After reference level offs

GSP-930 User Manual 52 Display Correction pointsOriginal waveformCorrected output Example: The diagram above shows how amplitude correction is use

BASIC OPERATION 53 2. Press Edit[F3]. The GSP-930 will split into two screens. The top screen will show the waveform and the bottom screen will p

GSP-930 User Manual 54 Correction Table 5. Repeat steps 2 to 4 for any other correction points. 6. To delete the selected point, press Delete P

BASIC OPERATION 55 Deactivate Correction 1. Press Amplitude> More[F7]>Correction[F3]> Correction[F2] to turn correction back off. Delete C

GSP-930 User Manual 56 Recall Correction Set From Memory Operation 1. Press Recall> Recall[F1] and choose the recall location: Location: Reg

BASIC OPERATION 57 Input Impedance Calibration Description When an external impedance converter module (optional accessory ADP-101) is used to conv

GSP-930 User Manual 4 Safety Guidelines General Guideline CAUTION  Do not place any heavy object on the instrument.  Avoid severe impact or

GSP-930 User Manual 58 Operation 1. Press Amplitude> More[F7]>Preamp[F6] to toggle the Preamp state. Range: Auto, Bypass Display Icon T

BASIC OPERATION 59 Autoset The Autoset function searches the peak signals in two stages (full span & 0Hz - 100MHz limited span), picks the signa

GSP-930 User Manual 60 Note RBW, VBW and sweep settings are reset to Auto when the Autoset function is used. Limiting the Autoset Vertical Search

BASIC OPERATION 61 Bandwidth/Average Settings BW/Avg key sets the resolution bandwidth (RBW), video bandwidth (VBW) and averaging functions. The res

GSP-930 User Manual 62 Video Bandwidth Settings (VBW) Description VBW (Video Bandwidth) defines the smoothness of the trace on the display. Combi

BASIC OPERATION 63 Display VBW/RBWRatio Tip Signals that are masked by the noise floor level should have a ratio of less than 1 to smooth the noise

GSP-930 User Manual 64 Example: Average:Off Average: On (20)

BASIC OPERATION 65 Average Type Description The Average Type function determines how the GSP-930 determines the average value. LOG Average: Averag

GSP-930 User Manual 66 EMI Filter Description The built-in EMI filter is used for specific measurement situations such as EMI average detection,

BASIC OPERATION 67 Operation 1. Press Sweep> Sweep Time[F1] and toggle the Sweep time to Auto or Man. 2. Set the sweep time for the Man mode.

SAFETY INSTRUCTIONS 5 Battery CAUTION  Rating: 10.8V, 6 cell Li-ion battery  Turn off the power and remove the power cord before installing or

GSP-930 User Manual 68 Continuous Sweep Description The GSP-930 has two main sweeping modes: single and continuous. Use the continuous mode to ha

BASIC OPERATION 69 set gate length. 4. The gated sweep should not be positioned at either end of the transmission. Delay LengthGateTriggerRF Burs

GSP-930 User Manual 70 Using the Gated Sweep Mode Connection 1. Connect a trigger signal (3.3v CMOS) to the GATE IN port on the rear panel. Trig

BASIC OPERATION 71 Example: The example below shows the spectrum of an FSK modulated signal when gated sweep mode is off. The example below show

GSP-930 User Manual 72 Trace The GSP-930 is able to set the parameters of up to 4 different trances on the display at once. Each trace is represen

BASIC OPERATION 73 View View will hold the selected trace and stop updating the trace data for the selected trace. Pressing View[F4] will display t

GSP-930 User Manual 74 Trace Math Description Performs trace math from two traces (TR1, TR2) and stores the result in the currently selected trac

BASIC OPERATION 75 4. Select the trace math function: PowerDiff[F3] LogDiff[F4] LogOffset[F5] 5. If LogDiff was selected, set the reference le

GSP-930 User Manual 76 Detection modes Auto Automatically chooses an appropriate mode based on the values of all the samples. Normal While the si

BASIC OPERATION 77 Auto Detector Selection Method Below is a flow chart diagram showing the Detector selection for the Auto mode. Is (trace) Aver

GSP-930 User Manual 6 Disposal Do not dispose this instrument as unsorted municipal waste. Please use a separate collection facility or contact t

GSP-930 User Manual 78 3. The display will return the Trace menu. Display Icon Normal Average icon Peak+ icon Peak - icon Sample icon A

BASIC OPERATION 79 Trigger The Trigger function sets the signal conditions upon which the spectrum analyzer triggers captured waveforms, including f

GSP-930 User Manual 80 Parameters Video Edge: Determines the polarity of the video trigger. Positive: The signal voltage exceeds the video level

BASIC OPERATION 81 Activate External Trigger Description The external trigger is used when an external trigger signal is input into the rear panel

GSP-930 User Manual 82 Selecting the Trigger Mode Description In free run mode all signals are captured and the trigger conditions are not used.

BASIC OPERATION 83 Set the Trigger Delay Time Description Sets the delay time between when the analyzer triggers and when the analyzer begins to ca

GSP-930 User Manual 84 Marker A Marker shows the frequency and amplitude of a waveform point. The GSP-930 can activate up to 6 markers or marker p

BASIC OPERATION 85 Activating a Marker There are two basic marker types, normal markers and delta markers. Normal markers are used to measure the fr

GSP-930 User Manual 86 Move Marker Manually Operation 1. Press Marker> Select Marker[F1] and select a marker number. 2. Use the left/right

BASIC OPERATION 87 Mkr>Center[F1] Mkr>Start [F2] Mkr>Stop[F3] Mkr>CF Step[F4] Mkr>Ref Lvl[F5] Activate Delta Marker Description De

SAFETY INSTRUCTIONS 7 Power cord for the United Kingdom When using the instrument in the United Kingdom, make sure the power cord meets the followin

GSP-930 User Manual 88 Move Delta Marker(s)Manually Move Delta or Reference Marker 1. Press Marker> Delta[F4]> Move[F2]>Move Ref[F2]

BASIC OPERATION 89 Marker Functions Marker Noise Description The noise marker function calculates the average noise level over a bandwidth of 1Hz,

GSP-930 User Manual 90 Frequency Counter Description The frequency counter function is used to make accurate frequency measurements. Operation 1.

BASIC OPERATION 91 Move Marker to Trace Description The Marker Trace function moves the selected marker to any of the currently active traces. Oper

GSP-930 User Manual 92 Show Markers in Table Description The GSP-930 has a Marker Table function to show all the active markers and measurements

BASIC OPERATION 93 Peak Search Move Marker to Peak Description The PeakSearch key is used to find trace peaks. Operation 1. Press Marker> Sel

GSP-930 User Manual 94 Search for Peaks Description The PeakSearch key can be used to search for a number of different peaks. Peak Search Next Pe

BASIC OPERATION 95 Example: Next Peak Right Example: Next Peak Left Peak Configuration Description There are two peak search configuration opti

GSP-930 User Manual 96 Peak Threshold: Peak threshold sets the minimum threshold level for the analyzer to detect peaks. Any value above the Peak

BASIC OPERATION 97 2. Press Peak Sort[F2] and set the sorting type: Freq: Amp: Sort by frequency in ascending order. Sort by amplitude in ascen