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GSP-730 User Manual

68

Using the Video Out Port

Description

The GSP-730 has a dedicated VGA terminal to
output the display to an external monitor. The
video output is always on.

Output resolution

480 x 640 (fixed)

Operation

1.

Connect an external monitor to
the rear panel VGA terminal.

Split Spectrum View

Description

The split spectrum view is able to view two
different sweep ranges on the display at the
same time using a split screen view. The top
and bottom view can have independent sweep
ranges, amplitudes, spans and other settings.
However only one split screen (top or bottom)
can be swept each time.

Example

Lower

spectrum

Upper

spectrum

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Summary of Contents for GSP-730

Page 1: ...Spectrum Analyzer GSP 730 USER MANUAL REVISION 1 0 MAY 2012 ISO 9001 CERTIFIED MANUFACTURER ...

Page 2: ...er language without prior written consent of Good Will company The information in this manual was correct at the time of printing However Good Will continues to improve products and reserves the rights to change specification equipment and maintenance procedures at any time without notice Good Will Instrument Co Ltd No 7 1 Jhongsing Rd Tucheng Dist New Taipei City 236 Taiwan ...

Page 3: ...TION 26 Frequency Settings 28 Span Settings 31 Amplitude Settings 34 Autoset 36 Marker 38 Measurement 50 Limit Line Testing 57 Bandwidth 61 Trace 62 Display 67 Save Recall Files 71 System Settings 76 REMOTE CONTROL 78 Interface Configuration 79 Command Syntax 81 Command List 84 FAQ 103 APPENDIX 105 GSP 730 Default Settings 105 GSP 730 Specifications 107 ...

Page 4: ...GSP 730 User Manual 2 GSP 730 Dimensions 109 Declaration of Conformity 110 INDEX 111 ...

Page 5: ...this manual or on the instrument WARNING Warning Identifies conditions or practices that could result in injury or loss of life CAUTION Caution Identifies conditions or practices that could result in damage to the instrument or to other properties DANGER High Voltage Attention Refer to the Manual Earth ground Terminal Frame or Chassis Terminal Do not dispose electronic equipment as unsorted munici...

Page 6: ...1 2010 specifies the measurement categories and their requirements as follows The instrument falls under category II Measurement category IV is for measurement performed at the source of low voltage installation Measurement category III is for measurement performed in the building installation Measurement category II is for measurement performed on the circuits directly connected to the low voltag...

Page 7: ...egree 1 No pollution or only dry non conductive pollution occurs The pollution has no influence Pollution degree 2 Normally only non conductive pollution occurs Occasionally however a temporary conductivity caused by condensation must be expected Pollution degree 3 Conductive pollution occurs or dry non conductive pollution occurs which becomes conductive due to condensation which is expected In s...

Page 8: ...nected to the terminal which is marked with the letter N or coloured Blue or Black The wire which is coloured Brown must be connected to the terminal marked with the letter L or P or coloured Brown or Red If in doubt consult the instructions provided with the equipment or contact the supplier This cable appliance should be protected by a suitably rated and approved HBC mains fuse refer to the rati...

Page 9: ...se and an introduction to the front panel rear panel and GUI GSP 730 Introduction 8 Main Features 8 Package Contents 9 Appearance 10 GSP 730 Front Panel 10 Rear Panel 14 Display 15 First Use Instructions 17 Tilting the Stand 17 Power UP and Down 18 Software Update 19 USB Driver Installation 20 Restoring Default Settings 21 Conventions 22 ...

Page 10: ...n Features Performance 150kHz 3GHz bandwidth 100kHz resolution Features Autoset with automatic floor level and span Marker table function Limit line testing Split window display ACPR measurement OCBW measurement Automatic resolution bandwidth mode Interface 480 640 color LCD display On screen menu icons VGA video output RS 232C USB 2 0 Host port for data storage USB 2 0 Device port for the virtual...

Page 11: ...G STARTED 9 Package Contents Check the contents before using the GSP 730 Opening the box Contents single unit Main unit Quick Start Guide User Manual CD Power cord x1 region dependent Calibration certificate ...

Page 12: ...ay Function Keys Menu keys Hardcopy key Arrow keys RF Input terminal Keypad and unit keys USB A port Power button Scroll wheel LCD display 640 X 480 color LCD display The display shows the soft keys for the current function frequency amplitude and marker information Function keys F 1 F6 The F1 to F6 function keys directly correspond to the soft keys on the right hand side of display Frequency Freq...

Page 13: ...as well as other related functionality Peak Search Peak Search Finds each maximum and minimum peak Used with the Marker functions Meas Meas Configures ACPR and OCBW measurements Limit Line Limit Line Sets and tests Pass Fail limit lines BW BW Sets the resolution bandwidth Trace Trace Sets traces and trace related functions Display Display The Display key configures the split screen windowing mode ...

Page 14: ... save a screen shot of the display Hardcopy setup Hardcopy Setup Configures the hardcopy options System System The System key is used to configure the RS232 interface language update the firmware as well as other system options Power key Turns the instrument on off Scroll wheel Edit values select listed items Arrow keys Increment decrement values in steps select listed items ...

Page 15: ...e Input impedance 50Ω Maximum DC voltage 25V N type female Numeric keypad 0 1 4 7 2 5 8 3 6 9 MHz mSec dB Enter GHz Sec kHz mSec BK SP The numeric keypad is used to enter vales and parameters It is often used in conjunction with the arrow keys and scroll wheel USB A Micro SD USB A port for saving recalling settings files to external memory ...

Page 16: ...A port Power socket USB B port Security slot RS232 RS232 9 pin DSUB port USB B USB B Device port USB 1 1 2 0 VGA VGA video out port Supports SVGA 480X640 Fan Power Socket Power Socket 100 240V 50 60Hz 15W Max Security Slot Kensington type security slot ...

Page 17: ...ormation Displays marker information For details see page 38 Function menu Displays the current function menu Soft menu keys The Soft menu keys are associated with the F1 to F6 function keys to the right of the display Trace Icons Displays the color of each active trace and the trace mode of each active trace See page 62 for more information about traces Entry Message area This area is used to sho...

Page 18: ... Manual 16 Frequency Bandwidth settings Displays the Start Center and Stop frequencies RBW Span and Sweep settings Trace and waveforms Main display showing the traces page 62 limit lines 57 and marker positions 38 ...

Page 19: ...stly the Conventions sections will introduce you to the basic operating conventions used throughout the user manual Tilting the Stand Description The GSP 730 has two adjustable tabs at the front that can be used to position the instrument into two preset orientations Leaning Position Set the tabs down to have the GSP 730 leaning backward Upright Position Set the tabs flat to have the GSP 730 in an...

Page 20: ...C power cord into the power socket 2 Press the power button to turn the GSP 730 on 3 The GSP 730 will begin to boot up in under a few seconds Note If system fails to start please see your local GW Instek distributor Power Down 1 Press the power button to power down ...

Page 21: ...e updating the software please check the software version 1 Press System Information F4 2 The system version is displayed on the SW Ver F4 icon Software version Update software 1 Place the update file MAIN1 BIN into the root directory of a USB flash drive 2 Insert the USB flash drive into the USB port on the front panel 3 Press System Update From USB Flash F5 4 Press Update Now F3 to execute the u...

Page 22: ...e USB driver is located in the CD that accompanied this manual Driver installation 1 Ensure the GSP 730 is turned on 2 Connect the USB cable from the PC to the rear panel USB B port 3 Windows will automatically detect the GSP 730 as a new device 4 Follow the instructions to locate the GSP 730 driver on the accompanying CD and install the driver 5 To see if the driver has been successfully installe...

Page 23: ... AT91USBSerial icon in the ports node Right clicking this icon will allow you to manually install the GSP 730 ini driver Restoring Default Settings Description The factory default settings can be easily restored using the Preset key on the front panel The default settings cannot be changed See page 105 for a list of the factory default settings Steps 1 Press Preset The spectrum analyzer will load ...

Page 24: ...1 F6 function keys dB Enter F 1 F 2 F 3 F 4 F 5 F 6 0 BK SP kHz Sec m mSec MHz GHz Sec 1 4 7 2 5 8 3 6 9 Frequency Span Amplitude Autoset Marker Peak Limit Line Meas Search BW Trace Display Memory Preset Hardcopy System Hardcopy Setup GSP 730 150 kHz 3 GHz Spectrum Analyzer RF INPUT 50 20dBm MAX MAX DC 25V W Input Parameter Values Selecting this type of menu key will allow you to enter a new value...

Page 25: ...ggle the state of the function between on and off When in the on state the parameter value can be manually edited Use the numeric keypad to enter the new value or use the scroll wheel to increment decrement the current value Again the setting that is underlined is the active setting Sub Menu Pressing the More menu key will enter a submenu Sub Menu to select parameter Pressing this type of menu key...

Page 26: ...Trace again to return to the start of the Trace menu Active Function Pressing this type of menu key will activate that function The menu key will be highlighted to show it is the active function Parameter input Numerical keypad Scroll wheel Directional arrow keys Backspace Enter keys and unit keys 0 1 4 7 2 5 8 3 6 9 MHz mSec dB Enter GHz Sec kHz mSec BK SP Parameter values can be entered using th...

Page 27: ...ast character or number entered Using the scroll wheel Use the scroll wheel to alter the current value Clockwise increases the value anti clockwise decreases the value The scroll wheel is usually used for values that highly variable such as the center frequency settings Directional arrows Use the directional arrows to select discrete parameters or to alter values by a coarser resolution than the s...

Page 28: ... Span 31 Full Span 32 Zero Span 32 Last Span 33 Amplitude Settings 34 Reference Level 34 Amplitude Units 35 Scale Div 35 Autoset 36 Using Autoset 36 Limiting the Autoset Vertical Search Range37 Limiting the Autoset Horizontal Search Range 37 Marker 38 Activating a Marker 39 Move Marker to Trace 43 Show Markers in Table 44 Peak Search 46 Peak Table 48 ...

Page 29: ...Selecting a Trace 62 Trace Math 64 Average Trace 65 Display 67 Adjusting the LCD Brightness 67 Setting a Display Line Reference Level Line 67 Using the Video Out Port 68 Split Spectrum View 68 Save Recall Files 71 Save Recall Setup 71 Save Recall Trace Data 72 Save Recall Limit Lines 73 Saving an Image File Hardcopy 73 Load Default Settings 75 System Settings 76 System Information 76 System Langua...

Page 30: ...quency Description The center frequency function sets the center frequency and centers the display to the center frequency Operation 1 Press Frequency Center F1 and enter the frequency and unit Range Default 0kHz 3GHz 1 5GHz Display Set center frequency ...

Page 31: ...ncy Start F2 and enter the frequency and unit 2 To set the stop frequency press Frequency Stop F3 and enter the frequency and unit Range Default Start frequency Default Stop frequency 0kHz 3GHz 0Hz 3GHz Display Start Frequency Stop Frequency Note The start and stop frequency can change when the span settings are used The stop frequency must be set higher than the start frequency for spans 0 ...

Page 32: ...rrow keys When the arrow keys are used to alter the center frequency each press will move the center frequency by the step size specified by the Step function By default the center frequency step size is equal to 10 of the span Operation 1 Press Frequency Step F4 and set the center frequency step size Range 1Hz 3GHz Display Step size ...

Page 33: ... the frequency range of the sweep The sweep will be centered around the center frequency Setting the span will alter the start and stop frequencies Operation 1 Press Span Span F1 and enter the span frequency range and unit Range Default Span 0kHz 3GHz 3GHz Display Span Set Span ...

Page 34: ...1 Press Span Full Span F2 Zero Span Description The Zero Span function will set the frequency range of the sweep to 0Hz and fixes the start and stop frequencies to the center frequency The Zero Span function measures the time domain characteristics of the input signal at the center frequency The horizontal axis is displayed in the time domain Operation 1 Press Span Zero Span F3 The span changes ac...

Page 35: ...mplitude modulation Note The measurement functions such as ACPR and OCBW are not available with the zero span setting Last Span Description The last span function returns the spectrum analyzer to the previous span settings Operation 1 Press Span Last Span F4 ...

Page 36: ...attenuation scale and external gain loss Reference Level Description The reference level defines the absolute level of the amplitude on the top graticule in voltage or power Operation 1 Press Amplitude Ref Level F1 and enter the reference level amplitude Range Resolution 20dBm 20dBm 10dBm Display Ref Level reading ...

Page 37: ... dBmV or dBuV 1 Press Amplitude Units F3 to change the amplitude units Units dBm dBmV dBuV Scale Div Description Sets the logarithmic units for the vertical divisions Operation 1 Press Amplitude Scale F2 repeatedly to select the vertical division units Scale Range 10 5 2 1 Display Scale ...

Page 38: ...als and picks the signal peak with the maximum amplitude and then shows it in the display Using Autoset Operation 1 Press Autoset Autoset F1 Autoset Range Amplitude Span Over the full amplitude range Over the full span range Example Before Autoset default state After Autoset ...

Page 39: ... from Auto to Man 1 Enter the amplitude limit with the number pad and Enter key Range 50 to 20dBm Note See page 35 for setting the amplitude units Limiting the Autoset Horizontal Search Range Description You can change the frequency span limit in the display to get a better view of the Autoset result By default the frequency span after Autoset is set at 3MHz Operation 1 Press Autoset Span F3 and s...

Page 40: ...ly move a marker to various locations including the peak signal center frequency and start stop frequency Other marker operations regarding signal peaks are available in the Peak Search function Activating a Marker from page 39 Activate a Delta Marker from page 40 Move Marker Manually from page 41 Move Marker to Preset Locations from page 42 Move Marker to Trace from page 43 Turn All Markers On or...

Page 41: ...sure the difference between a reference point and a selected point on the trace Activate a Normal Marker Operation 1 Press Marker Marker F1 and select a marker number Marker 1 5 2 Press F2 to turn the selected marker on 3 Press Mode F3 and set the marker mode to Normal 4 The display will show the marker on the trace centered by default with the marker measurement at the top of the display Maker No...

Page 42: ... position of the selected marker or in the center of the display if the selected marker has not yet be activated The marker measurement is located at the top of the display under the normal marker measurement Delta Markers Ref Reference marker designated as 1 Delta Delta marker designated as 1 1 Operation 1 Press Marker Marker F1 and select a marker number 2 Press F2 to turn the selected marker on...

Page 43: ...r F1 and select a marker number 2 Use the left right arrow keys to move the marker one screen division at a time or the use the scroll wheel to move the marker in fine increments one pixel at a time 3 Alternatively the numeric keypad can be used to directly enter the frequency of the marker position 7 8 9 6 5 4 1 2 3 0 ...

Page 44: ...start frequency Move to stop frequency Move to step frequency Move to reference level amplitude Note When a marker is moved to a preset position the span and other settings may be automatically changed Move marker to peak Press Marker To Peak F4 Move marker to center Press Marker To Center F5 Move marker to other positions Press Marker More F6 Marker to F4 and select one of the preset positions Ma...

Page 45: ... active trace Operation 1 Press Marker Marker F1 and select a marker number 2 Press More F6 Marker Trace and select a trace to assign the selected marker to If Auto is selected the selected marker is automatically assigned a trace Marker Trace Auto A B C 3 In the example below marker 1 is set to trace B Marker 1 Trace B ...

Page 46: ...rk Off F3 and turn all the markers off Show Markers in Table Description The GSP 730 has a Marker Table function to show all the active markers and measurements at once Operation 1 Press Marker Marker F1 More F6 Marker Table F2 and turn the marker table on 2 The display will split into two screens The bottom half will show the Marker Table with the marker No normal reference or delta frequency and...

Page 47: ...le function is the active function the position of each marker and delta marker can be edited within the marker table 1 Use the arrow keys to move the cursor to the frequency column of the desired marker Cursor 2 Enter the new position of the marker using the keypad and units keys ...

Page 48: ...or continuously Operation 1 Press Marker Marker F1 and select a marker number 2 Press Peak Search Peak Search F1 The marker will move to the highest signal peak 3 To continually search for the peak each sweep press Peak Search More F6 Peak Track F1 and set Peak Track to ON Move Marker and Peak to Center Description The Peak to Center function moves the marker to the highest signal peak and moves t...

Page 49: ...ighest peak visible on the display Next Peak Right Searches for the next peak to the right of the marker Next Peak Left Searches for the next peak to the left of the marker Min Search Searches for the lowest peak Operation 1 Press Marker Select Marker F1 and select a marker number 2 Press Peak Search and select the type of peak you wish to find Example Next Peak ...

Page 50: ...Peak Right Example Next Peak Left Peak Table Description The Peak Table function will display up to 5 peaks The amplitude and frequency for each peak is listed Operation 1 Press Peak Search More F6 Peak Table F1 and turn the peak table on ...

Page 51: ...2 and set the sorting type Freq Amp Sort by frequency in ascending order Sort by amplitude in ascending order Display The bottom half of the screen shows the peak table with the peak marker no frequency and amplitude Peak Table Peak markers ...

Page 52: ...annel analysis measurement includes ACPR adjacent channel power and OCBW occupied bandwidth measurements Parameters Channel bandwidth The frequency bandwidth the target channel occupies Range Between 0Hz 3GHz 0Hz excepted Channel Space The frequency distance between each main channel Range Between 0Hz 3GHz Adjacent channel bandwidth 1 2 The frequency bandwidth the adjacent channels occupy Range Be...

Page 53: ...olution ACPR Description Adjacent channel power refers to the amount of power leaked to the adjacent channel from the main channel This measurement is a ratio of the main channel power to power in the adjacent channel Example Main CHBW ADJ CH1 ADJ CH2 ADJ CH1 ADJ CH2 Offset 1 Offset 2 Channel spacing To next main channel Operation Setting up the main channel 1 Press Meas ACPR F2 and turn ACPR on A...

Page 54: ...al time Turn ACPR off to return back to the normal mode Channel setup Measurements 3 Press Channel Setup F1 and set the following Main CH BW F1 Set the bandwidth of the main channel Main CH Space F2 Specify the channel spacing Note The main channel bandwidth and space settings are shown in the setup area at the bottom of the screen not on the soft key icon Channel BW Channel space ...

Page 55: ...e channel offset of the 2nd adjacent channel Note The adjacent channel bandwidth and space settings are shown in the setup area at the bottom of the screen not on the soft key icons Adj CH1 settings Adj CH2 settings Move Channels Up Down 1 Press the Meas again or press Return F6 repeatedly to return to the start of the Measure menu tree 2 Press CH Up F5 to go to the next main channel 3 Press CH Do...

Page 56: ... of the channel Example CH BW OCBW Operation Setting up the main channel 1 Press Meas OCBW F3 and turn OCBW on Any other measurement mode will automatically be disabled 2 The display splits into two screens The top shows the channel bandwidth The bottom screen shows the OCBW measurement results in real time Turn OCBW off to return back to the normal mode ...

Page 57: ...tup F1 and set the following Main CH BW F1 Set the bandwidth of the main channel Main CH Space F2 Specify the channel spacing Note The main channel bandwidth and space settings are shown in the setup area at the bottom of the screen not on the soft key icon Channel BW Channel space ...

Page 58: ...ress Return F6 repeatedly to return to the start of the Measure menu tree 2 Press CH Up F5 to go to the next main channel 3 Press CH Down F6 to go to the previous main channel Note The channel space Main CH Space setting determines where the next main channel is located ...

Page 59: ...limit lines The limit lines can be manually edited using 10 frequency points from the start to the stop frequencies To save and recall limit lines please see page 73 Activate a Limit Line Operation 1 Press Limit Line to enter the Limit Line menu 2 Press H Limit F1 or L Limit F2 and turn the high or low limit on or off H Limit L Limit On Off The H Limit is shown as a blue line The L Limit is shown ...

Page 60: ... limit line you wish to edit Limit High Low 2 Press Edit Table F2 and turn the edit table on The GSP 730 is split into two screens The top screen shows the trace and the selected limit line high or low and the bottom screen shows the limit line table Spectrum display Limit Line Table All 10 points will be displayed in a limit line table at the bottom of the display By default each point is set to ...

Page 61: ...fault frequency and amplitude values 8 To delete a point from the editing table press Delete The whole points including the frequency value and the amplitude are removed This command reduces the number of points used in the limit line 9 Press Undelete F5 the restore the last point that was deleted Pass Fail Testing Description The Pass Fail testing uses the limit lines as boundaries When the input...

Page 62: ...on or off 2 The test result is updated in real time at the bottom of the display Pass Fail Note At least one limit line high or low must be turned on to enable testing If only high limit line is on each trace point has to be lower than the high limit line to get a PASS judgment otherwise get the judgment will be FAIL Conversely if only low limit line is on then each trace point has to be higher th...

Page 63: ...at is used to separate signal peaks from one another The narrower the RBW the greater the capability to separate signals at close frequencies But it also makes the sweep time longer under specific frequency spans the display is updated less frequently Operation 1 Press BW RBW F1 and set the RBW to Auto or Man 2 Set the resolution bandwidth and unit for Man mode Mode Frequency Range Auto Man 1MHz 3...

Page 64: ...ace A is green trace B is orange and trace C is yellow When activated an icon for each trace color and function is shown at the bottom of the display When a trace is selected parameters can be set edited from the Trace menu Display Icons Trace A B C Trace Type Icon The type of trace used determines how the trace data is stored or manipulated before being displayed The analyzer updates each trace a...

Page 65: ... the trace data for the selected trace Pressing View F4 will display the trace data that was cleared using the Blank F5 key Blank Clears the selected trace from the display and stores trace data The trace data can be restored by pressing View F4 Operation 1 Press Trace Trace F1 and choose a trace Trace A B C 2 Select the trace type Clear Write F2 Peak Hold F3 View F4 Blank F5 More F6 Min Hold F1 N...

Page 66: ...versa A B A Adds trace A and B and stores the result in trace A A B A Subtracts trace B from trace and stores the result in trace A A const A Adds an offset to trace A A const A Subtracts an offset from trace A Operation 1 Press Trace Trace Math F3 and select a trace math function A B F1 A B A F2 A B A F3 A const A F4 A const A F5 2 If A const A or A const A was selected set the constant offset va...

Page 67: ...urrently selected trace for a user defined number of times before it is displayed This feature smoothes the noise level but has the drawback of slowing down the display update rate Operation 1 Press Trace More F6 and toggle Avg on 2 Set the number of averages Range Default 4 100 4 ...

Page 68: ...GSP 730 User Manual 66 Example Average Off Average On 8 ...

Page 69: ...ration 1 Press Display LCD Dimmer F1 and use either the number pad the scroll wheel or arrow keys to set the brightness Setting a Display Line Reference Level Line Description The Display Line function is used to super impose a reference level line over the traces Operation 1 Press Display Display Line F3 to turn the display line on 2 Set the display line level and press Enter Example Display line...

Page 70: ...on 1 Connect an external monitor to the rear panel VGA terminal Split Spectrum View Description The split spectrum view is able to view two different sweep ranges on the display at the same time using a split screen view The top and bottom view can have independent sweep ranges amplitudes spans and other settings However only one split screen top or bottom can be swept each time Example Lower spec...

Page 71: ...he upper sweep parameters can be edited Half Lower Half Lower will put the spectrum analyzer into split screen mode It will make the bottom sweep the active sweep and pause the top sweep When Half Lower is on only the lower sweep settings can be edited Alternate Sweep This setting will alternate the sweep between the bottom and top spectrums If alternate sweep is turned on only the upper sweep par...

Page 72: ...Sweep is turned on each sweep will alternate but only the upper sweep parameters can be edited 2 To return to a full screen single spectrum display press Full Display F2 Note After exiting the split spectrum view the analyzer will use the settings from the active window The settings for the inactive screen will be retained for the next time that split spectrum view is used If the spectrum analyzer...

Page 73: ...e data necessary to recall the state of the GSP 730 to known state Setup data contains the following data Center frequency Start frequency Stop frequency Step frequency Ref Level Scale Units RBW Save 1 To save the current settings press Memory Setup To F1 and choose a memory location to save to with the arrow keys Setup To 1 5 2 Press Setup To F1 again to execute the save Recall 1 To recall a setu...

Page 74: ...spectrum is saved recalled Save 1 To save the current trace data press Memory Save Trace Data F3 2 Press Source Trace F1 and select the source Source A B C 3 Press Destination F2 and select the memory location to save to Destination 1 5 4 Press Start F5 to save the selected tracedata Recall 5 To recall trace data press Memory Recall Trace Data F3 6 Press Source Trace F1 and select the memory locat...

Page 75: ... F5 and choose a memory location to save to with the arrow keys Limit line 1 5 10 Press Limitln to F5 again to execute the save Recall 11 To recall pre saved upper and lower limit lines press Memory Limitln from F6 and choose a memory location to recall from with the arrow keys Limit line 1 5 12 Press Limitln from F6 again to execute the recall Saving an Image File Hardcopy Description The Hardcop...

Page 76: ...RXX bmp Where XX is a number that is incremented each time the file is saved Warning Do not remove the USB drive until the file has completed saving Hardcopy Setup Description The Hardcopy Setup key is used set the image file properties of the bitmap file that is created when the Hardcopy key is pressed Ink Normal This is the normal default image setting Ink Saving This will invert all the colors ...

Page 77: ...above Load Default Settings Description The Preset key is used to load the default settings The default settings are listed in the appendix on page 105 Operation 1 Press Preset The system will load the preset settings and the screen will update with the new settings Note The default settings cannot be changed ...

Page 78: ...on FW Version Firmware version SW Version Software version Language Shows the language number as seen in the System Language menu Operation 1 Press System Information F4 to display the system information The system information will be displayed on the system menu soft keys Example System information System Language Description The language option sets the icon display language ...

Page 79: ...e F3 to bring up the Language menu 2 Choose a system language The language number is the number that will be displayed in the system information Language 1 English Sets the language to English Language 2 Chinese S Sets the language to simplified Chinese ...

Page 80: ...figuration of IEEE488 2 based remote control For a command list refer to the programming manual downloadable from GW Instek website www gwinstek com Interface Configuration 79 Configure Remote Interface 79 Remote Control Function Check 80 Command Syntax 81 Command List 84 ...

Page 81: ...9600 19200 38400 57600 115200 Parity None Even Odd Space Mark Multidrop Stop bit 1 1 5 2 Data bit 5 6 7 8 Description The GSP 730 can use either the type B USB port or the RS232 on the rear panel for remote control When using the USB B port the GSP 730 uses a USB driver to simulate an RS232 connection with a PC via USB It is these RS232 settings that are configured for remote control Before using ...

Page 82: ... RS 232 settings using the arrow keys Baud Rate F1 9600 19200 38400 57600 115200 Parity F2 None Even Odd Space Mark Multidrop Stop Bit F3 1 1 5 2 Data F4 5 6 7 8 Remote Control Function Check Functionality check Invoke a terminal application such as MTTTY Multi Threaded TTY To check the COM port No see the Device Manager in the PC For WinXP go to Control panel System Hardware tab Run this query co...

Page 83: ...ilable on the GW Instek web site www gwinstek com Command Syntax Compatible Standard IEEE488 2 Partial compatibility SCPI 1999 Partial compatibility Command Structure SCPI Standard Commands for Programmable Instruments commands follow a tree like structure organized into nodes Each level of the command tree is a node Each keyword in a SCPI command represents each node in the command tree Each keyw...

Page 84: ... with without a parameter Example meas freq cen 100 MHz Query A query is a simple or compound command followed by a question mark A parameter data is returned Example meas freq cen Command Format 100 khz 1 2 3 4 5 Meas freq cen 1 Command header 2 Space 3 Parameter 1 4 Optional space 5 Unit or suffix Common Input Return Parameters Type Description Example Boolean Boolean logic 0 1 NR1 integers 0 1 ...

Page 85: ...l NRf unit 30 dBm Unit dBm dBmV dBuV Note The unit can be omitted defaults to currently set unit ampl NR3 unit 30 0 dBm Note The unit can be omitted Unit defaults to current unit trace data 92 91 89 92 92 91 CSV data that represents each point in a trace string ASCII string data Message Terminator LF Line feed code 0x0A ...

Page 86: ...mmands meas span 88 meas span full 89 Amplitude Commands meas refl unit 89 meas refl 89 Marker Commands meas mark on 90 meas mark off 91 meas mark norm 91 meas mark norm freq 91 meas mark norm level 92 meas mark delta 92 meas mark delta freq 92 meas mark delta level 93 meas mark tomin 93 meas mark topeak 93 meas mark tonp 94 meas mark trace 94 Trace commands meas tra val1 val2 94 ...

Page 87: ...cbw bw 98 meas ocbw chpw 98 Limit Line commands meas lmtline passfail 98 meas lmtline on 99 meas lmtline off 99 BW commands con rbw auto 99 con rbw 100 con rbw man 100 con rbw mode 100 con swt 101 Display commands con disp split upper 101 con disp split lower 101 con disp split alt 101 con disp split full 102 Preset commands con preset 102 System commands con sys ser 102 ...

Page 88: ...t Query Syntax IDN Return parameter string Returns the instrument identification as a string in the following format GW INSTEK GSP 730 XXXXXXXX V VV Manufacturer GWINSTEK Model number GSP 730 Serial number XXXXXXXX Firmware version V VV Sweep Commands si 86 sn 86 ts 87 si Set Description Stops the sweep Example si sn Set Description Continues a stopped sweep Example sn ...

Page 89: ...ption Sets or queries the center frequency Syntax meas freq cen freq Query Syntax meas freq cen Parameter freq Center frequency Return parameter freq Returns the frequency and unit Example meas freq cen 100 khz Sets the center frequency to 100kHz Query example Meas freq cen 100 kHz meas freq st Set Query Description Sets or queries the start frequency Syntax meas freq st freq Query Syntax meas fre...

Page 90: ...cription Sets or queries the stop frequency Syntax meas freq stp freq Query Syntax meas freq stp Parameter freq Stop frequency Return parameter freq Returns the stop frequency and unit Example meas freq stp 100 mhz Sets the stop frequency to 100MHz Query Example meas freq stp 100000 kHz Span Commands meas span 88 meas span full 89 meas span Set Query Description Sets or queries the frequency span ...

Page 91: ...iption Sets the span to the full span Syntax meas span full Amplitude Commands meas refl unit 89 meas refl 89 meas refl unit Set Query Description Sets the reference level unit Syntax meas refl unit 1 2 3 Query Syntax meas refl unit Parameter Return parameter 1 dBm 2 dBmV 3 dBuV Query Example Meas refl unit 1 The reference level units are dBm meas refl Set Query Description Sets or queries the ref...

Page 92: ...nd Peak Search Commands meas mark on 90 meas mark off 91 meas mark norm 91 meas mark norm freq 91 meas mark norm level 92 meas mark delta 92 meas mark delta freq 92 meas mark delta level 93 meas mark tomin 93 meas mark topeak 93 meas mark tonp 94 meas mark trace 94 meas mark on Set Query Description Sets or queries which markers are turned on Syntax meas mark on NR1 all Query Syntax meas mark on N...

Page 93: ...r 1 5 All All markers Example meas mark off 1 Turns marker 1 off meas mark norm Set Description Sets the selected marker to normal mode Syntax meas mark norm NR1 Parameter NR1 Marker number 1 5 Example meas mark norm 1 Sets marker 1 to normal mode meas mark norm freq Set Query Description Queries the frequency of the selected normal marker Query syntax meas mark norm freq NR1 Parameter NR1 Marker ...

Page 94: ...e selected marker Example meas mark norm level 1 10 0dBm meas mark delta Set Description Sets the selected marker to delta mode It also sets the relative frequency of the delta marker in relation to the normal marker frequency Syntax meas mark delta NR1 freq Parameter NR1 Marker number 1 5 freq Relative frequency of the delta marker Example meas mark freq 1 10 MHz Turns delta marker 1 on and sets ...

Page 95: ...r NR1 Marker number 1 5 Return parameter amp Returns the amplitude and unit of the selected delta marker Example meas mark delta level 1 10 0dBm meas mark tomin Set Description Sets the selected marker to the minimum peak Syntax meas mark tomin NR1 Parameter NR1 Marker number 1 5 Example meas mark tomin 1 Sets marker 1 to the minimum peak meas mark topeak Set Description Sets the selected marker t...

Page 96: ...race Set Description Sets the selected marker to the selected trace Syntax meas mark topeak NR1 trace Parameter NR1 Marker number 1 5 trace 0 Auto auto assign a trace 1 Trace A 2 Trace B 3 Trace C Example meas mark trace 1 2 Sets marker 1 to trace B Trace Commands meas tra val1 val2 94 meas tra avg on 95 meas tra avg off 95 meas tra read 96 meas tra val1 val2 Set Description Sets the mode for the ...

Page 97: ...the number of averages for the slected trace Syntax meas tra avg on trace NR1 Parameter trace 1 Trace A 2 Trace B 3 Trace C NR1 4 20 Number of averages Example meas tra avg on 1 4 Sets the number of averages used for Trace A to 4 meas tra avg off Set Description Turns the average function off for the slected trace Syntax meas tra avg on trace Parameter trace 1 Trace A 2 Trace B 3 Trace C all All t...

Page 98: ... Returns the trace data for the selected trace s A total of 501 trace points are returned from the start frequency to the stop frequency If all is selected the trace data is returned in three lots trace A trace B traceC The units are in decibels If the selected trace is not active 0s will be returned for each trace point Power Measurement Commands meas acpr 96 meas acpr lower 97 meas acpr upper 97...

Page 99: ...ameter 1 Channel offset 1 2 Channel offset 2 Return parameter NR2 Returns the ACPR measurement result Example meas acpr lower 1 6 0 meas acpr upper Set Query Description Returns the upper ACPR measurement result for the selected channel offset offset 1 or 2 Query syntax meas acpr upper 1 2 Parameter 1 Channel offset 1 2 Channel offset 2 Return parameter NR2 Returns the ACPR measurement result Exam...

Page 100: ...as ocbw bw Return parameter freq Returns the OCBW in kHz Example meas ocbw bw 4000kHz meas ocbw chpw Set Query Description Returns the channel power in the current unit Query syntax meas ocbw chpw Return parameter power Returns the channel power Example meas ocbw chpw 63 5 Limit Line Commands meas lmtline passfail 98 meas lmtline on 99 meas lmtline off 99 meas lmtline passfail Set Query Descriptio...

Page 101: ...ameter 0 Fail 1 Pass Query example meas lmtline passfail 0 meas lmtline on Set Description Turns the limit lines on Syntax meas lmtline on meas lmtline off Set Description Turns the limit lines off Syntax meas lmtline off BW Commands con rbw auto 99 con rbw 100 con rbw man 100 con rbw mode 100 con swt 101 con rbw auto Set Description Sets the RBW to Auto Syntax con rbw auto ...

Page 102: ... Example con rbw 1 con rbw man Set Description Sets the RBW for manual mode Syntax con rbw man 0 1 2 3 Parameter NR1 1 100kHz 2 300kHz 3 1MHz Example con rbw man 1 Sets the RBW to 100kHz con rbw mode Query Description Returns the RBW mode Query Syntax con rbw mode Return parameter auto Auto mode manual Manual mode Example con rbw mode auto ...

Page 103: ...lit alt 101 con disp split full 102 con disp split upper Set Description Turns on the split window function and sweeps the top window Syntax con disp split upper con disp split lower Set Description Turns on the split window function and sweeps the bottom window Syntax con disp split lower con disp split alt Set Description Sweeps the upper and lower windows alternatively in the split window mode ...

Page 104: ...reset Commands con preset 102 con preset Set Description Loads the factory default settings This is the equivalent to pressing the Preset key Syntax con preset System Commands con sys ser 102 con sys ser Set Query Description Returns the serial number Query syntax con sys ser Return parameter string Returns the serial number in the following format XXXXXXXX Example con sys ser XXXXXXXX ...

Page 105: ... press Autoset F1 For details see page 36 The trace is updated too slowly on the screen The sweep time determines how often the trace is updated on the screen To increase the sweep time try reducing the span or using a wider RBW setting I cannot see the trace on the screen If you cannot see the trace on the screen there may be a number of possibilities 1 The trace is just off screen Try to adjust ...

Page 106: ... specification Make sure the device is powered On for at least 30 minutes within 20 C 30 C This is necessary to stabilize the unit to match the specification For more information contact your local dealer or GWInstek at www gwinstek com marketing goodwill com ...

Page 107: ...t settings Frequency Center Frequency 1 5GHz Start Frequency 0Hz Stop Frequency 3GHz CF Step Auto Span Span 3GHz Amplitude Reference level 30 0dBm Scale Div 10 Units dBm Autoset Amp Floor Auto Span Auto Marker Marker Off Peak Search N A Meas ACPR Off OCBW Off Limit Line H Limit Off L Limit Off Pass Fail Off BW RBW Auto Trace Trace A Clear Write Average Off Display ...

Page 108: ...GSP 730 User Manual 106 Full Display Active Display line off Memory N A Preset N A Hardcopy N A Hardcopy Setup Ink Normal System N A ...

Page 109: ...ng range 1MHz to 3GHz Accuracy within 3 frequency span 0 3GHz to 2 6GHz 20 5 C Resolution Bandwidth Setting Range 30KHz 100KHz 300KHz 1MHz SSB Phase Noise 85dBc Hz typical 500kHz offset RBW 30kHz Sweep time 1 5s Span 1MHz 1GHz Inherent Spurious Response less than 45dBc 40dBm Ref Level typical less than 50dBc Amplitude Reference Level Input Range 20 to 40dBm Accuracy Within 2dB 1GHz SPAN 5MHz Unit ...

Page 110: ...ency span full span General Communication Display 640 480 RGB color LCD Interface RS 232C Sub D female D 9 pins USB Connector USB Host Device full speed supported VGA Output Sub D female 15 pins Power Source AC 100 240V 50 60Hz Other Operating Temperature 5 to 45 C Guaranteed at 25 5 C without soft carrying case Operating Humidity Less than 45 C 90 RH Storage Temperature 20 to 60 C less than 60 C ...

Page 111: ...F 1 F 2 F 3 F 4 F 5 F 6 0 BK SP kHz Sec m mSec MHz GHz Sec 1 4 7 2 5 8 3 6 9 Frequency Span Amplitude Autoset Marker Peak Limit Line Meas Search BW Trace Display Memory Preset Hardcopy System Hardcopy Setup GSP 730 150 kHz 3 GHz Spectrum Analyzer RF INPUT 50 30dBm MAX MAX DC 25V Ω ...

Page 112: ...ng the Electromagnetic Compatibility and Low Voltage Directive the following standards were applied EMC EN 61326 1 EN 61326 2 1 EN 61326 2 2 Electrical equipment for measurement control and laboratory use EMC requirements 2006 Conducted and Radiated Emissions EN 55011 2009 A1 2010 Electrostatic Discharge EN 61000 4 2 2009 Current Harmonic EN 61000 3 2 2006 A1 2009 A2 2009 Radiated Immunity EN 6100...

Page 113: ...s 17 Frequency Center frequency 28 Center frequency step 30 Start frequency 29 Stop frequency 29 Front panel diagram 10 Ground Symbol 3 Limit lines Creation 58 Overview 57 Pass fail testing 59 List of features 8 Marker Delta markers 40 Move to trace 43 Moving markers manually 41 Moving markers to preset positions 42 Normal marker 39 Peak search 46 Peak table 48 Table 44 Marketing Contact 104 Measu...

Page 114: ...ero span 32 Specifications 107 Amplitude 107 Dimensions 109 Frequency 107 Sweep 108 System System information 76 View error messages 76 Tilting stand 17 Trace Icons 62 Math 64 Selecting trace 62 Type 62 UK power cord 6 USB driver installation 20 Video out port 68 Warning symbol 3 ...

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