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R3131 Spectrum Analyzer Operation Manual

3.3 Menu Function Descriptions

3-42

3.3.18 POWER MEASURE Key (Power Measurement)

This section describes the menu displayed when the POWER MEASURE key is pressed.

Channel Power

Displays the CH Power menu.

CH Power ON/OFF

Allows you to measure the total power in a specified channel
bandwidth.

ON:

Measures the total power in a channel bandwidth
specified by the measuring window. Allows you to set
the averaging count.

OFF:

Turns off total power measurement.

CH BW POS/WD

Allows you to set the position and width of the measuring window
(channel bandwidth).

POS:

Allows you to set the center position of the measuring
window (channel bandwidth).

WD:

Allows you to set the width of the measuring window
(channel bandwidth).

CH BW SRT/STP

Allows you to set the start and stop frequencies for the measuring
window (channel bandwidth).

SRT:

Start frequency for the measuring window (channel
bandwidth).

STP:

Stop frequency for the measuring window (channel
bandwidth).

Total Power

Measures the total power in the object range (the entire
measurement span or window). Allows you to set the averaging
count.

Average Power

Measures the power averaged over the object range (the entire
measurement span or window). Allows you to set the averaging
count.

Carrier Power

Moves the marker to the peak point on the trace, and measures the
carrier power.

Pwr Meas Off

Turns off the power measurement function.

OBW

Displays the OBW menu.

Jul 10/98

Summary of Contents for R3131 Series

Page 2: ...n Annotation Basic Operation Measurement Examples Describes the names and the func tions of each part on the panels You can learn the basic operation of the spectrum analyzer through the exam ples sho...

Page 3: ...8 Key notations in this manual Typeface conventions used in this manual Panel keys In bold type Example MKR MEAS Soft keys In bold and italic type Example Normal Marker Noise Hz The 1 2 more and 2 2 m...

Page 4: ...g Data 2 14 2 2 2 Displaying Spectrums and Operating the Markers 2 17 2 2 3 Measuring Window and the Display Line 2 23 2 2 4 Measuring Frequency Using Counter 2 28 2 2 5 Auto Tuning 2 31 2 2 6 Trackin...

Page 5: ...AY Key Line and Window 3 23 3 3 8 EMC Key EMC Measurement 3 26 3 3 9 FREQ Key Frequency 3 28 3 3 10 Hold Mode 3 29 3 3 11 LEVEL Key Frequency Level 3 30 3 3 12 LOCAL Key GPIB Remote Control 3 32 3 3 1...

Page 6: ...6 4 1 8 Status Bytes 4 8 4 1 9 GPIB Command Codes 4 14 4 1 10 Basic Programming 4 31 4 1 11 Data Output Format talker 4 33 4 1 12 Trace Data I O 4 37 4 1 13 Using the Status Byte 4 42 4 2 RS 232 Remo...

Page 7: ......

Page 8: ...Signal Output 2 24 2 14 Measuring Settings Screen 2 24 2 15 Activating the Display Line 2 25 2 16 Making a Comparison Between Peaks Using Reference Lines 2 26 2 17 Screen Display Showing the Measuring...

Page 9: ...9 OBW 95 Measurement Screen 2 64 2 60 Setup for Measuring the Adjacent Channel Leakage Power 2 65 2 61 Setting the Specified Bandwidth 2 67 2 62 Measurement of the Adjacent Channel Power ACP POINT 2 6...

Page 10: ...95 2 93 Printer Specification Screen Display 2 97 2 94 Printer Setup Screen 2 98 2 95 Time Date Menu 2 99 2 96 Screen Showing the Date being Set 2 100 2 97 Screen Showing the Hour being Set 2 100 4 1...

Page 11: ......

Page 12: ...Default Config 3 60 4 1 Frequency 4 14 4 2 Level 4 15 4 3 Unit 4 15 4 4 Sweep Mode 4 16 4 5 Sweep Time 4 16 4 6 Bandwidth 4 16 4 7 Marker 4 17 4 8 Peak Search 4 18 4 9 Sound 4 18 4 10 Marker 4 19 4 1...

Page 13: ......

Page 14: ...w 1 Frequency Range 9kHz to 3GHz Frequency span Zero 50kHz to 3GHz 2 Frequency counter function with a resolution of 1Hz 3 A power measurement function useful for evaluating radio instruments using me...

Page 15: ...the spectrum analyzer depends on what type specified by model number above was ordered when the spectrum analzyer was purchased There are 11 types of power cable available see Table 1 2 To order anoth...

Page 16: ...ances Black 2m 6ft Angled A01412 UL United States of America 125V at 7A Straight A01403 CSA Canada Black Option 95 2m 6ft Angled A01413 1 250V at 6A Straight A01404 Gray Option 96 2m 6ft Angled A01414...

Page 17: ...rations A low noise area Although the R3131 has been designed to withstand a certain amount of noise riding on the AC power line it should be used in an area of low noise Use a noise cut filter when a...

Page 18: ...e a power cable that matches the input voltage and meets the related standard see Table 1 2 1 3 3 Power Fuse CAUTION When a fuse blows there may be some problem with the analyzer so contact a qualifie...

Page 19: ...Apr 10 98 Figure 1 2 Replacing the Power Fuse Fuse holder Pull out the fuse holder using a slotted head screwdriver Fuse T5A compliant Check and replace if necessary the power fuse and put it back in...

Page 20: ...metal parts of the instrument For protection against electrical shock insert the plug into a power source outlet that has a properly grounded protective ground contact The manufacturer ships a power c...

Page 21: ...ly connector on the rear panel CAUTION To prevent damage operate the spectrum analyzer within specified input voltage and frequency ranges Figure 1 4 Connecting the Power Supply Cable 3 Connect the po...

Page 22: ...ress CONFIG PRESET The factory defaults are reset The startup screen is displayed as shown in Figure 1 5 7 Press SHIFT and 0 The Self Test menu is displayed NOTE Pressing SHIFT and 0 turns the Self Te...

Page 23: ...nd then the test results are displayed as shown below Figure 1 7 Screen Shown after Executing Self Test CAUTION If the Self Test detects any errors do not attempt to use the spectrum analyzer any furt...

Page 24: ...allow water to get inside the spectrum analyzer 2 Do not use organic cleaning solvents such as benzene toluene xylene acetone or similar compounds since these solvents may damage the plastic parts 3...

Page 25: ...ot available pack the spectrum analyzer using the following guidelines To allow for cushioning use a corrugated cardboard container with inner dimensions that are at least 15 centimeters more than tho...

Page 26: ...rols and connectors Screen annotation Basic operation Measurement examples Expanded functions 2 1 Panel Description 2 1 1 Front Panel This section contains detailed views of the front panel and explan...

Page 27: ...isplay Displays the function of each soft key up to 7 at one time 4 Contrast control Adjusts the display contrast 5 ACTIVE OFF key Turns off the active area removing any displayed information 6 Soft k...

Page 28: ...ut connector Frequency range is 9 kHz to 3 GHz the maximum input level is 20 dBm or 50 VDC max 3 RF INPUT 2 connector Unused 4 TG OUTPUT connector TG output connector Frequency range is 100 kHz to 3 G...

Page 29: ...uency spans 3 LEVEL key Used to set the reference level 4 SWEEP lamp Turns on when a sweep is being performed 5 REPEAT START STOP key Used to execute continuous sweeps or to reset a sweep 6 SINGLE key...

Page 30: ...EMC measure ment Used to execute calibrations for the spectrum ana lyzer 2 BK SP key Used to remove data you have entered or to enter a minus sign 3 Units keys GHz key MHz key kHz key Hz ENTER key Th...

Page 31: ...ction Control Description 1 PK SRCH key Used to search for the peak point on the trace 2 MKR key Used to display the marker 3 MEAS key Used to set the measurement mode 4 MKR key Used to obtain marker...

Page 32: ...video bandwidth VBW 2 TRIG key Used to set the trigger conditions 3 PAS FAIL key Used to set the conditions in the level window and check if those conditions have been met 4 DISPLAY key Used to set th...

Page 33: ...operational conditions for the inter face etc Used to reset the spectrum analyzer to the factory default settings 3 SHIFT key Allows you to access additional functions for cer tain keys keys that hav...

Page 34: ...r 10 98 9 Miscellaneous Section Control Description 1 AUTO TUNE key Used to automatically display the maximum peak 2 COUNTER key Used to measure frequency as a counter 3 POWER MEASURE key Used to make...

Page 35: ...Analyzer Operation Manual 2 1 Panel Description 2 10 Jul 10 98 2 1 2 Screen Annotation Figure 2 2 Screen Annotation 1 2 3 5 6 7 8 9 10 11 12 13 14 15 16 19 18 17 4 20 Span is set 0Hz Pls change span...

Page 36: ...not been calibrated 12 Message window Displays error messages as they occur 13 Frequency span or Stop frequency Frequency span of the current display displays may differ depending on the currently ac...

Page 37: ...onnector Connector used when attaching a Centronix printer 3 EXTERNAL TRIGGER terminal Approximately 10 k input impedance starts sweeping at the leading or trailing edge selectable of the TTL level in...

Page 38: ...r 10 Fuse information Lists the line voltages and fuse requirements 11 PROBE POWER terminal An accessory power supply for the probe etc The maximum output current is 100 mA for each pin 12 10 MHz REFE...

Page 39: ...Data Using the Numeric Keys You use the following keys to enter data the number keys 0 through 9 the decimal point key and the backspace BK SP or minus key If you make a mistake when using the numeric...

Page 40: ...ion there is another type of soft key which is used to toggle between two settings ON OFF AUTO MNL etc For these keys the currently active setting is underlined Pressing MKR displays the Marker 1 menu...

Page 41: ...ed to select the functions that are labeled in blue above the panel keys There are four such functions PRESET SAVE CAL EMC To select one of these functions press SHIFT and the desired panel key Pressi...

Page 42: ...up the spectrum analyzer 1 Make sure that the POWER switch on the front panel is in the OFF position 2 Connect the power cable provided to the AC power supply connector on the rear panel CAUTION To av...

Page 43: ...en Calibration signal output This activates the calibration signal used for the measurement 7 Press SHIFT and 7 CAL The Cal menu used with calibrations is displayed 8 Press Cal Sig Level ON OFF Cal Si...

Page 44: ...settings so that the input signal is displayed more clearly 9 Press FREQ The current center frequency is displayed in the active area and the Freq menu used to select the frequency type appears on th...

Page 45: ...an of 20 MHz is set 13 Press LEVEL The current reference level is displayed in the active area and the Level menu used for setting the level appears on the right 14 Press 1 0 MHz dBm A reference level...

Page 46: ...isplayed 17 Press Delta Marker The delta marker is displayed on the trace peak and the differences between the marker and delta marker frequency and level are listed in the marker area 18 Move the mar...

Page 47: ...t and a Point 3 dB Levels Down 19 Next move the marker to a point 60 dB levels down from the peak using the data knob The display in the marker area is the frequency difference between the peak point...

Page 48: ...ch are used to compare traces Power on 1 Turn the spectrum analyzer power on Initialization This resets the current settings to the factory defaults 2 Press SHIFT and CONFIG PRESET The default setting...

Page 49: ...surement conditions This changes the analyzer settings so that the input signal is displayed more clearly 4 Press FREQ 5 0 and MHz A center frequency of 50 MHz is set 5 Press SPAN 8 0 and MHz A freque...

Page 50: ...s with the peak on the right side by turning the data knob This makes it easier to compare trace levels Figure 2 15 Activating the Display Line Activating the reference line This activates the referen...

Page 51: ...Press Ref Line ON OFF two times OFF is selected and the reference line is removed Setting up the measuring window 13 Press Meas Window The measuring window appears and the Meas WDO menu associated wi...

Page 52: ...suring Window 15 Press Zoom In This displays a magnified view and the range specified by the measuring window now fills the screen Figure 2 18 Screen Display after Zoom In 16 Press Zoom Out This chang...

Page 53: ...ll have to increase the sweep time to compensate NOTE 1 The counter function may not work normally if the span is greater than 200 MHz or the difference between the marker and the noise level is 25 dB...

Page 54: ...l is output Figure 2 20 Calibration Signal Output Screen Setting the measurement conditions This changes the analyzer settings so that the input signal is displayed more clearly 4 Press FREQ 3 0 and M...

Page 55: ...tting the frequency counter resolution and the Frequency Counter window are displayed The default resolution is 1 kHz Figure 2 22 Frequency Counter Measurement Resolution 1 kHz 7 Press Res 10 Hz The f...

Page 56: ...actory defaults 2 Press SHIFT and CONFIG PRESET The default settings have now been reset Calibration signal output This activates the calibration signal used for the measurement 3 Press SHIFT 7 CAL an...

Page 57: ...ly peak searches cover the entire band and the span gradually returns to the original setting by keeping track of that peak signal With this function the maximum peak is automatically displayed The re...

Page 58: ...gs to the factory defaults 2 Press SHIFT and CONFIG PRESET The default settings have now been reset Calibration signal output This activates the calibration signal used for the measurement 3 Press SHI...

Page 59: ...he detected frequency is set to the center frequency The detected peak frequency is always set as the center frequency 6 Press MKR and Sig Track ON OFF Signal tracking is turned on The detected peak f...

Page 60: ...he marker to that peak The marker is always displayed on the peak 8 Press Peak Menu and Cont Peak ON OFF The Cont peak search is turned on A peak is detected in each sweep and the marker is always mov...

Page 61: ...o band width VBW Make the sweep time longer If RBW or VBW cannot be changed narrow the frequency span Power on 1 Turn the spectrum analyzer power on Initialization This resets the current settings to...

Page 62: ...lly changing the measurement conditions 6 Press SWEEP and SWP Time AUTO MNL Sweep time is set to 50 ms 7 Press BW RBW AUTO MNL 3 0 and kHz The RBW is set to 30 kHz A sweep time of 50 ms is too short b...

Page 63: ...c Operation 2 38 Apr 10 98 8 Press VBW AUTO MNL 1 0 0 and kHz An accurate measurement can be made now that the video bandwidth has been set to 100 kHz Note that there is no longer an UNCAL message on...

Page 64: ...ignal generators This prepares the signal generators for output 3 Set the SG1 frequency to 200 00 MHz the SG1 level to 10 dBm and the SG1 output to ON 4 Set the SG2 frequency to 200 25 MHz the SG2 lev...

Page 65: ...00 MHz is set 7 Press SPAN 1 0 and MHz A frequency span of 10 MHz is set 8 Press LEVEL 1 0 and MHz dBm The reference level of 10 dBm is set 9 Press ATT AUTO MNL 2 0 and GHz dB Attenuator level is set...

Page 66: ...W RBW AUTO MNL 3 0 and kHz The RBW is set to 30 kHz Two peaks are now discernible but they are still not clearly separated Figure 2 33 Two Discernible Peaks 11 Press 1 0 and kHz The RBW is set to 10 k...

Page 67: ...Setup 1 Connect the signal generator as shown in Figure 2 35 Figure 2 35 Setup for Verifying the Dynamic Range Power on 2 Turn the power on Setting the signal generator This prepares the signal genera...

Page 68: ...z A frequency span of 100 MHz is set 7 Press LEVEL 4 0 and MHz dBm The reference level is set to 40 dBm Figure 2 36 Screen Display Prior to Changing the RBW Changing the RBW The RBW default setting is...

Page 69: ...Changing the RBW Changing VBW The noise width can be further reduced by setting the VBW to 1 10 of the RBW 9 Press VBW AUTO MNL 1 0 and kHz VBW is set to MNL and a video resolution bandwidth of 10 kH...

Page 70: ...tion can improve the S N ratio faster than the VBW method shown above This function makes it possible to quantify random components and measure signals buried in the noise 10 Press TRACE 1 2_more and...

Page 71: ...d under perfect linearity This phenomenon is caused by another input signal whose value is larger than the gain compression limit Setup 1 Connect the signal generators as shown in Figure 2 40 Figure 2...

Page 72: ...ditions This changes the analyzer settings so that the input signal is displayed more clearly 6 Press FREQ 1 0 0 and MHz A center frequency of 100 MHz is set 7 Press SPAN 1 and MHz A frequency span of...

Page 73: ...l level Saturation can be observed as the left side signal level is increased 9 Set SG1 level to 10 dBm Under these conditions the input level for the mixer is 4 dBm and the right hand signal level is...

Page 74: ...gnal generator as shown in Figure 2 43 Figure 2 43 Setup for Measuring Harmonic Distortion Power on 2 Turn the power on Setting the signal generator This prepares the signal generator output 3 Set the...

Page 75: ...uency of 300 MHz is set 6 Press SPAN 5 0 0 and MHz A frequency span of 500 MHz is set 7 Press BW RBW AUTO MNL 1 0 and kHz The RBW is set to 10 kHz Verifying harmonic distortion 8 Confirm that harmonic...

Page 76: ...n 2 51 Apr 10 98 9 Press LEVEL ATT AUTO MNL 3 0 and GHz dB The attenuator level is set to 30 dB Figure 2 45 Screen Display Showing Reduced Harmonic Distortion Under these conditions the input level fo...

Page 77: ...Figure 2 46 Figure 2 46 Setup for Measuring Intermodulation Power on 2 Turn the power on Setting the signal generators This prepares the signal generator outputs 3 Set SG1 as follows the frequency to...

Page 78: ...kHz is set 8 Press BW RBW AUTO MNL 1 0 and kHz The RBW is set to 10 kHz The attenuator level default setting is 10 dB which makes the input to the mixer 20 dBm 10 dBm 10 dBm Since the mixer level exce...

Page 79: ...Operation 2 54 Apr 10 98 Figure 2 48 Screen Display without Intermodulation Distortion The current spectrum has no intermodulation distortion It is important that the ATT be adjusted in order to moder...

Page 80: ...Do not use any input signals when performing a calibration 1 Press SHIFT and 7 CAL The Cal menu used for calibration appears Figure 2 49 Screen Display Showing the Cal Menu 2 Press Cal All Calibrates...

Page 81: ...nu and file list are displayed 3 Press Device RAM FD to select FD The floppy disk is selected as the destination for the data table 4 Press Save Item The Save Item menu used for selecting data is disp...

Page 82: ...into the spectrum analyzer 11 Press RECALL The Recall menu used and the file list are displayed 12 Press Device RAM FD to specify FD Floppy disk is selected 13 Select the file and press Recall The cor...

Page 83: ...nalyzer Operation Manual 2 2 Basic Operation 2 58 Dec 1 97 16 Press User Ant Corr The edited data in the correction data table is displayed Figure 2 51 Screen Display Showing the User Definable Correc...

Page 84: ...for a unit similar to PHS outputting a frequency of 1917 950 MHz and a level of 20 dBm Use appropriate parameter values to make the measurements shown below Setup 1 Connect the transmitter as shown i...

Page 85: ...A frequency span of 1 MHz is set 7 Press BW RBW AUTO MNL 1 0 and kHz The RBW is set to 10 kHz 8 Press LEVEL 1 0 and GHz dBm The reference level is set to 10 dBm Setting the offset level 9 Ref Offset O...

Page 86: ...4 Press CH Power ON OFF The channel window is displayed and channel power measurement starts The current number of measurements being averaged is displayed in the active area and it can be changed as...

Page 87: ...make the measurements shown below NOTE Set the reference level and the frequency span so that the signal amplitude on the screen is 50 dB or more in order to reduce operation error when the signal amp...

Page 88: ...arly 5 Press FREQ 1 8 9 5 1 5 and MHz A center frequency of 1895 15 MHz is set 6 Press SPAN 8 0 0 and kHz A frequency span of 800 kHz is set Setting the detector mode 7 Press TRACE Detector and Posi T...

Page 89: ...displayed center refers to center frequency not carrier frequency and two markers are placed at either end of the occupied bandwidth In this example which has a ratio of 99 0 initial value each marke...

Page 90: ...e the measurements shown below There are two methods used to measure ACP ACP POINT Calculates the channel leakage power using the specified channel spacing ACP GRAPH Calculates the leakage power withi...

Page 91: ...AN 3 and MHz A frequency span of 3 MHz is set 7 Press BW RBW AUTO MNL 1 0 and kHz The RBW is set to 10 kHz Setting the detector mode 8 Press TRACE Detector and Posi The trace is set to positive detect...

Page 92: ...is measures the adjacent channel leakage power 13 Press ACP ON OFF Two markers are placed on the frequencies Channel frequency Channel spacing displayed on the screen and the ratio between the upper a...

Page 93: ...ndwidth An error message will be displayed if a measurement condition is set incorrectly during the measure ment 2 3 3 2 Measurements using the ACP GRAPH Method Setup 1 Connect the unit under test as...

Page 94: ...10 kHz Setting the detector mode 8 Press TRACE Detector and Posi The trace is set to positive detector mode Setting the specified bandwidth This sets the adjacent channel leakage mode and specifies th...

Page 95: ...ng the channel spacing 13 Press MKR The delta marker is displayed 14 Move the marker to the other adjacent channel for example 600 kHz by turn ing the data knob The ratio of each adjacent channel leak...

Page 96: ...atio Measurement conditions This example shows how to measure the VA ratio for the first UHF channel 91 25MHz Use appropriate parameter values to make the measurements shown below Setup 1 Connect the...

Page 97: ...MHz is set 7 Press SPAN 2 0 and MHz A frequency span of 20 MHz is set 8 Press LEVEL Units and dB V The unit is set to dB V Performing the Max Hold 9 Press TRACE 1 2_more and Max Hold Perform the Max h...

Page 98: ...suring the audio carrier level 11 Press MKR 9 5 7 5 and MHz The marker is displayed at 95 75 MHz on the trace This marker level is called video carrier level A dBmV Figure 2 69 Measuring the Audio Car...

Page 99: ...Pass Fail judgment for a unit under test outputting a frequency of 30 MHz and a level of 10 dBm Use appropriate parameter values to make the measurements shown below Setup 1 Connect the unit under te...

Page 100: ...requency span of 20 MHz is set 7 Press LEVEL 0 and GHz dBm The reference level is set to 0 dBm Pass Fail judgment 8 Press PAS FAIL The level window is displayed and a Pass Fail is judged The marker is...

Page 101: ...ON OFF The measuring window is displayed and the measuring window position can now be set 11 Press 2 7 and MHz The start frequency of the measuring window is activated and set to 27 MHz 12 Press Widt...

Page 102: ...ion Manual 2 3 Measurement Examples 2 77 Apr 10 98 Performing the window sweep 13 Press Window Sweep ON OFF A window sweep is performed The sweep is completed more quickly because only the area within...

Page 103: ...0 MHz a level of 30 dBm and a non modulated signal Use appropriate parameter values to make the measurements shown below Setup 1 Connect the unit under test as shown in Figure 2 74 Figure 2 74 Setup f...

Page 104: ...z is set 7 Press LEVEL 3 0 and MHz dBm The reference level is set to 30 dBm Measuring the fundamental wave 8 Press PK SRCH The marker is displayed on the peak The level displayed in the marker area is...

Page 105: ...by pressing Ref Level as needed 13 Press PK SRCH The marker is displayed on the peak of the higher harmonic wave The level dis played in the marker area is recorded as the higher harmonic wave level T...

Page 106: ...asurement results Setup 1 Connect the unit under test as shown in Figure 2 77 Figure 2 77 Setup for TG Measurements Power on 2 Turn the power on Initialization This resets the current settings to the...

Page 107: ...output level of the tracking generator is set to 0 dBm 9 Press TG and Execute Normalize The normalization calibration is performed Figure 2 78 Measurement Screen after a Normalization Calibration Note...

Page 108: ...me AUTO MNL 5 0 and kHz msec CAUTION If the input signal level changes abruptly the IF filter in this instrument will not respond to this change If this occurs make the sweep slow enough or the span n...

Page 109: ...ng a Bandwidth of 3 dB This measurement is taken under the same conditions as the insertion loss 13 Press MEAS XdB Down 3 GHz dBm and XdB Down Two markers are displayed on both sides 3 dB down from pe...

Page 110: ...lowing floppy disk formats can be used 3 5 inch DD 720KB HD 1 2 MB and 1 44MB MS DOS format compatible 1 Write protecting the Floppy Disk This prevents you from accidentally initializing or overwritin...

Page 111: ...the data contained on the disk 2 Press the eject button The floppy disk is ejected from the drive 3 Remove the disk from the drive 4 Initializing Floppy Disks To prepare a floppy disk for use with th...

Page 112: ...2 83 Screen for the F Disk Menu 4 Press Format F Disk The floppy disk is formatted with the MS DOS 1 44MB format While the floppy disk is being formatted the access lamp turns on This proce dure take...

Page 113: ...ode only The level values for trace data Floppy disk only Antenna correction data Floppy disk only Normalize deta Available only when equipped with Option 74 To save data use the following procedure 1...

Page 114: ...a Norm Corr ON OFF Normalization calibration data available only when equipped with Option 74 Trc Lvl ON OFF level values for the trace data available when trace data is being saved Figure 2 85 Displa...

Page 115: ...from accidentally initializing or overwriting data you can use the file protec tion feature To protect files using this feature use the following procedure Selecting the file source 1 Press SHIFT and...

Page 116: ...nges back to RW Figure 2 87 Screen Display Showing File Protection Enabled 3 Loading Data The saved conditions and trace data can be used for measurements Use the following procedure to access this da...

Page 117: ...2 4 Other Functions 2 92 Aug 28 98 Figure 2 88 Screen Display Showing the Selected File Recalling the data 4 Press Recall The data from the selected file is loaded into the spectrum analyzer Figure 2...

Page 118: ...te data files use the following procedure Selecting the file source 1 Press SHIFT and RECALL SAVE The Save menu and file list are displayed 2 Press Device RAM FD Select either RAM internal memory or F...

Page 119: ...3131 Spectrum Analyzer Operation Manual 2 4 Other Functions 2 94 Aug 28 98 Deleting the data 4 Press Delete The data in the selected file is deleted Figure 2 91 Screen as Shown after Deleting File Dat...

Page 120: ...format Inserting a floppy disk 1 Insert a floppy disk into the floppy drive Selecting the destination 2 Press CONFIG and Copy Dev The Copy Dev menu used for selecting the screen data destination appea...

Page 121: ...er that uses a resolution which is not a multiple of 180 dpi may print with streaks Compatible printers use ESC P ESC P Raster or HP PCL Compatible printers use ESC P ESC P Raster or HP PCL there may...

Page 122: ...lecting the screen data destination is displayed 3 Press Printer The attached printer is selected as the destination for the screen data Figure 2 93 Printer Specification Screen Display 4 Press RETURN...

Page 123: ...y Mode GRAY B W Toggles the copy mode between gray scale four levels and Black White Select as desired 8 Press Copy Size HALF FULL Selects the size used for the printed copy HALF is approximately the...

Page 124: ...rum analyzer In the following example a time and date of 1 35 pm Dec 10 1997 is set Setting the date and time 1 Press CONFIG and Time Date The Time Date menu appears Figure 2 95 Time Date Menu 2 Press...

Page 125: ...her Functions 2 100 Aug 28 98 Figure 2 96 Screen Showing the Date being Set Setting the time 5 Press Hour 1 3 and Hz ENTER The time is set to 1pm 6 Press Min 3 5 and Hz ENTER The time is set to 1 35pm...

Page 126: ...the date display format 7 Press Date Mode MDH DMY Toggles between MDH and DMY format each time you press the key MDH Displays Month Day Hour For example Dec 10 13 35 00 DMY Displays Day of the week Da...

Page 127: ......

Page 128: ...MPTD MAG 3 7 3 18 Ant Corr ON OFF 3 14 3 47 ATT AUTO MNL 3 10 3 30 Auto All 3 7 3 15 3 17 3 51 AUTO TUNE 3 7 3 16 Average Power 3 13 3 42 AVG A B 3 15 3 54 AVG A B CONT SGL 3 15 3 55 AVG A B ON OFF 3...

Page 129: ...NTER 3 9 3 22 Counter Off 3 9 3 22 Date Mode MDH DMY 3 8 3 20 Day 3 8 3 20 dB div 3 10 3 30 dBc Hz 3 11 3 33 dBm 3 10 3 30 dBm Hz 3 11 3 33 dBmV 3 10 3 30 dB V 3 10 3 30 dB V Hz 3 11 3 33 Default Conf...

Page 130: ...FT 3 10 3 29 Hour 3 8 3 20 IF Step Amp 3 7 3 18 Input 50 75 3 10 3 31 Inverse 3 9 3 25 Last Span 3 14 3 50 Length 7 8 3 8 3 20 LEVEL 3 10 3 30 Limit UP LOW 3 12 3 40 Line 3 15 3 56 Linear 3 10 3 30 Li...

Page 131: ...3 43 Parity NONE ODD EVEN 3 8 3 20 PAS FAIL 3 12 3 40 Pass Fail ON OFF 3 12 3 40 PBW 3 7 3 18 Peak 3 10 3 26 Peak CF 3 10 3 12 3 28 3 38 3 39 Peak Ref 3 12 3 38 3 39 Peak Delta Y 3 11 3 35 Peak Max Mi...

Page 132: ...14 3 48 Set Up RS232 3 8 3 20 Setup ON OFF 3 14 3 47 SHIFT COPY 3 7 3 21 SHIFT 7 CAL 3 7 3 18 SHIFT 1 EMC 3 10 3 26 SHIFT 3 10 3 29 SHIFT CONFIG PRESET 3 13 3 45 SHIFT RECALL SAVE 3 14 3 47 SHIFT 0 Se...

Page 133: ...26 Units 3 10 3 30 User Ant Corr 3 10 3 26 VBW AUTO MNL 3 7 3 17 Video 3 15 3 56 View A B 3 15 3 54 Volts 3 10 3 30 Volume 3 10 3 11 3 27 3 36 Watts 3 10 3 30 Width SRT STP 3 12 3 40 Window Off 3 9 3...

Page 134: ...Map 3 7 3 2 Menu Map RBW AUTO MNL VBW AUTO MNL Auto All 7 CAL Cal All Total Gain Each Item Freq Corr ON OFF Cal Corr ON OFF Cal Sig Level ON OFF IF Step Amp RBW Switch Log Linear AMPTD MAG PBW AUTO T...

Page 135: ...GRAY B W Copy Size HALF FULL Format F Disk Address Display ON OFF Baud Rate Length 7 8 Stop Bit 1 2 Parity NONE ODD EVEN XON XOFF ON OFF Year Month Day Hour Min Date Mode MDH DMY Revision Default Con...

Page 136: ...Line ON OFF Ref Line ON OFF Meas Window Change Title Time Date ON OFF Tone GRAY B W Inverse A B C D E F G H I J K L M N O P Q R S T U V W X Y Z _ Spc Clear 1 2 more Clear Edit Done 2 2 more Window POS...

Page 137: ...MKR Pause Time Squelch ON OFF Sound Off Center Start Stop CF Step AUTO MNL Peak CF 1 EMC Ref Level ATT AUTO MNL dB div Linear Units Ref Offset ON OFF Input 50 75 10dB div 5 dB div 2 dB div 1 dB div d...

Page 138: ...more Peak Delta Y Search ALL UP LOW 2 2 more Sound AM FM Volume MKR Pause Time Squelch ON OFF Sound Off Fixed MKR ON OFF MKR Step AUTO MNL Marker Couple ON OFF 2 2 more dBm Hz dB V Hz dBc Hz Noise Hz...

Page 139: ...sing the delta marker Delta CF Delta CF Step Delta Span Delta MKR Step MKR Trace 1 2 more Pass Fail ON OFF Limit UP LOW Freq Window ON OFF Width SRT STP Window Sweep ON OFF Cont Peak ON OFF when using...

Page 140: ...er Pwr Meas Off OBW ACP PRESET CONFIG Recall List ON OFF Device RAM FD POWER MEASURE PRESET SHIFT CONFIG RECALL REPEAT CH Power ON OFF CH BW POS WD CH BW SRT STP OBW ON OFF OBW ACP ON OFF Channel Spac...

Page 141: ...ap 3 14 Save Save Item Protect Delete Device RAM FD Full Span Zero Span Peak Zoom Last Span SAVE RECALL Setup ON OFF Trace ON OFF Ant Corr ON OFF Norm Corr ON OFF Trc Lvl ON OFF SPAN SINGLE SHIFT SAVE...

Page 142: ...B View A B Blank A B Detector Trc Menu A B 1 2 more Max Hold A B AVG A B Min Hold A B Store A B to B A Trc Menu A B 2 2 more Free Run Line Video Ext Slope AVG A B ON OFF AVG A B PSE CONT AVG A B CONT...

Page 143: ...ximum peak using the current conditions as a target span When started this function gradually narrows the frequency span from the full span to the target span Note that the initial span must be within...

Page 144: ...bandwidth between AUTO and MNL AUTO Automatically sets an optimum resolution bandwidth according to the span settings MNL Allows you to set the resolution bandwidth manually VBW AUTO MNL Toggles the...

Page 145: ...it Log Linear Measures the linearity of the ordinate axis at a range of 10 dB DIV to 1 dB DIV on the LOG scale and calibrates it AMPTD MAG Measures the switching error at a range of 10 dB DIV to 1 dB...

Page 146: ...a ESC P printer ESCP R Allows you to use a ESC P Raster printer Copy Mode GRAY B W Toggles the printer output mode between gray scale and mono chrome modes GRAY Sets the printer output mode to gray sc...

Page 147: ...off ON Outputs the XON XOFF signal to the RS 232 port OFF Does not output the XON XOFF signal to the RS 232 port Time Date Displays the Time Date menu used to set the date and time Year Allows you to...

Page 148: ...21 3 3 5 COPY Key Hard Copy Sends the screen data to the destination selected by the Copy Dev item in the Config 1 menu Note there is no menu associated with this panel key To abort printing Pressing...

Page 149: ...ays the associated menu The current measurement fre quency is also displayed Res 1kHz Sets the frequency counter resolution to 1kHz Res 100Hz Sets the frequency counter resolution to 100 Hz Res 10Hz S...

Page 150: ...ow Activates the measuring window and changes to the Meas WDO menu Window POS WD Allows you to set the position and width of the measuring window POS Used to set the position of the measuring window W...

Page 151: ...are stored by pressing the ENTER key and displayed in the title area A B C D E F Displays A through F in the active area G H I J K L Displays G through L in the active area M N O P Q R Displays M thro...

Page 152: ...ime and Date display on or off ON Time Date is displayed OFF Time Date is not displayed Tone GRAY B W Toggles the screen display mode between GRAY and B W modes GRAY Sets the screen display mode to gr...

Page 153: ...RBW 120kHz Sets the resolution bandwidth to 120 kHz Normal Switches to the current detector as set at Detector the Trc Det menu in the TRACE Field Displays the Antenna menu From here select the antenn...

Page 154: ...No longer uses the correction data Sound Displays the Sound menu and demodulates the sound at the marker Sound AM FM Toggles between AM and FM demodulation Volume Allows you to set the demodulated so...

Page 155: ...the frequency axis and displays the start and stop frequencies in the annotation area below the bottom scale line Stop Allows you to set the stop frequency the frequency furthest to the right on the...

Page 156: ...ode Pressing the SHIFT key for several seconds until the word HOLD appears on the screen activates the Hold mode This mode disables all panel and soft key input except for the PRESET key SHIFT CON FIG...

Page 157: ...c keys dB div Displays the dB div menu which is used to set the graduation of amplitude scale vertical axis 10dB div Sets the amplitude scale graduation vertical axis to 10 dB div 5dB div Sets the amp...

Page 158: ...evel in a range of 0 to 100 0 dB The relationships between the displayed ref erence level the set reference level and the offset are shown below Reference level displayed Reference level set Offset OF...

Page 159: ...31 Spectrum Analyzer Operation Manual 3 3 Menu Function Descriptions 3 32 3 3 12 LOCAL Key GPIB Remote Control Turns off GPIB remote control Note there is no menu associated with this panel key Apr 10...

Page 160: ...the marker fixed function delta marker ON then sets the detector to the sample detection mode Noise Hz Off Turns off the noise measurement mode and displays the Measure menu XdB Down Displays the XdB...

Page 161: ...which is used as the reference point of the marker down OFF Turns off the count down function 3rd Order Meas Displays the delta marker on the peak of the fundamental wave and the normal marker on the...

Page 162: ...t Moves the present marker to the next lower frequency peak on the left side of the current marker Next Peak Right Moves the present marker to the next higher frequency peak on the right side of the c...

Page 163: ...dulates the sound at the marker Sound AM FM Toggles between AM and FM demodulation Volume Allows you to set the demodulated sound volume You can set the sound volume from a range of 1 to 16 MKR Pause...

Page 164: ...arker function MKR Step AUTO MNL Toggles the step size function on or off This function allows you to control the movement of the marker using the step key AUTO Automatically sets the step size to 1 1...

Page 165: ...enter frequency MKR Ref Sets the active marker level as the reference level Peak CF Moves the marker to the maximum peak within the search range and sets the marker frequency as the center frequency P...

Page 166: ...arker MKR Trace Selects one of the two traces so that the marker is available when traces A and B are displayed simultaneously 1 2 more Displays the Mkr 2 menu MKR CF Sets the active marker frequency...

Page 167: ...UP Allows you to set the upper limit of the level window LOW Allows you to set the lower limit of the level window Freq Window ON OFF Toggles the measuring window on or off ON Displays the measuring...

Page 168: ...Descriptions 3 41 3 3 17 PK SRCH Key Peak Search Pressing this key displays the frequency and level of the marker after moving the marker to the maximum level of the trace within the search range Note...

Page 169: ...ter position of the measuring window channel bandwidth WD Allows you to set the width of the measuring window channel bandwidth CH BW SRT STP Allows you to set the start and stop frequencies for the m...

Page 170: ...CP measurement function Channel Spacing 1 Turns on the channel spacing adjacent setting used in the ACP measurement In addition the marker moves to the measurement point while measuring the alternate...

Page 171: ...PRESET Key Initialization This key is used to reset the spectrum analyzer to its default settings This key is accessed by pressing the SHIFT key and then the CONFIG key All previous settings are clear...

Page 172: ...when the RECALL key is pressed Recall Reads out the data from a file selected from the file list List ON OFF Toggles the file list display on or off ON Displays the file list OFF Turns off the file li...

Page 173: ...key is pressed during a sweep the sweep is paused and the sweep lamp is turned off Pressing the REPEAT key again causes the analyzer to wait for another sweep to start and then the sweep lamp turns ba...

Page 174: ...es the SAVE correction data function on or off ON Saves the correction data OFF Does not save the correction data Norm Corr ON OFF Toggles the save function of normalization calibration data on or off...

Page 175: ...nd the SHIFT PRESET and COPY keys are disabled Execute Self Test Nine test items are displayed in SELF TEST RESULTS window and are tested in order As each test is completed PASS or FAIL and Completed...

Page 176: ...his key is pressed during a sweep the sweep is paused and the sweep lamp is turned off Pressing the SINGLE key again causes the analyzer to wait until a sweep starts again which in turn depends on whe...

Page 177: ...a frequency span of 3 GHz Zero Span Set a zero span at the center frequency In zero span mode the frequency span is 0 Hz and the spectrum analyzer operates as a tuned receiver The horizontal axis is t...

Page 178: ...sweep time manually Auto All Automatically sets the resolution bandwidth video bandwidth and sweep time according to the span settings Gate Sig External ON OFF Toggles the gated sweep function on or o...

Page 179: ...s activated A normalization calibration is performed for the trace which is set to the Write mode However normalization calibration is per formed for trace A only when both traces A and B are set to t...

Page 180: ...lyzer Operation Manual 3 3 Menu Function Descriptions 3 53 Aug 28 98 Freq Adj Manual For the current RBW the compensation value for tracking gener ator s output frequency is set TG Off Turns the track...

Page 181: ...ode when you select the Max Hold mode the positive mode is automatically selected Refer to Max Hold A B Nega Sets the negative peak mode Sample Sets the sample mode Trc Menu A B Toggles between trace...

Page 182: ...ent data which is used until the set averaging count is reached SGL Automatically switches to View mode as soon as the desired averaging count has been reached Min Hold A B Sets the Min Hold mode whic...

Page 183: ...ed when the TRIG key is pressed Free Run Performs sweeps automatically Line Sweeps are synchronized with the AC power supply Video Sweeps are synchronized with the video signal Ext Sweeps are synchron...

Page 184: ...n for each frequency span Table 3 1 Center Frequency Set Resolution vs Frequency Span Table 3 2 Frequency Span Set Resolution vs Frequency Span Frequency span Center frequency set resolution 100MHz Sp...

Page 185: ...g AUTO Frequency span RBW VBW SWP Time sec 60MHz Span 1MHz 1MHz When RBW is set to 3kHz or more RBW VBW SWP SPAN RBW RBW 0 5 RBW VBW SWP SPAN RBW VBW 0 5 When RBW is set to 1 kHz SPAN 101kHz SWP 500ms...

Page 186: ...nd CONFIG PRESET keys are pressed Table 3 4 Factory Defaults Parameter Factory defaults Center frequency 1 5GHz Frequency span 3GHz Reference level 0dBm Sweep time AUTO 50ms Resolution bandwidth RBW A...

Page 187: ...ults Config softkey is pressed Table 3 5 Values for Default Config Parameter Default Setting Copy destination setting Printer Printer type PCL Screen output mode GRAY SCALE MODE GPIB address 8 Baud ra...

Page 188: ...h devices are designated as talkers or listeners Only one active controller can operate on the GPIB bus Controllers used to control IFC and REN messages are referred to as system controllers When ther...

Page 189: ...an this may damage the connector mounting due to excessive strain Example The total cable length in a system with five devices should be 10m or less 2m x 5 devices 10m There is no restriction on the l...

Page 190: ...ion is stopped the input output buffer is not cleared Note that the DCL is used to clear the buffer 2 Remote Enable REN The REN message is transmitted directly to the spectrum analyzer through a signa...

Page 191: ...When the spectrum analyzer receives the DCL message it does not do the following Changes data set or stored in the spectrum analyzer Interrupt front panel operation Modifie or interrupt any spectrum a...

Page 192: ...owing two methods to clear this buffer Turn the spectrum analyzer power on Execute DCL or SDC b Output Buffer The output buffer is used to store data which is going to be read from the controller 1024...

Page 193: ...data by one or more spaces however spaces may be omitted 3 Data When the command requires multiple data data is separated by commas A space may be inserted before or after each comma For more informa...

Page 194: ...the units that you can use Unit GZ 109 Frequency MZ 106 Frequency KZ 103 Frequency HZ 100 Frequency VOLT 100 Voltage MV 10 3 Voltage UV 10 6 Voltage NV 10 9 Voltage MW 10 3 Power DB 100 dB correspond...

Page 195: ...data can be written into or read out from this register b Event Register The event register latches and retains the status information from the condition register in some cases it retains status chang...

Page 196: ...us register The arrangement of the status registers of the spectrum analyzer are shown in Figure 4 1 The status registers are shown in detail in Figure 4 2 Figure 4 1 Arrangement of the Three Status R...

Page 197: ...lyzer Operation Manual 4 1 GPIB Remote Programming 4 10 Dec 1 97 Figure 4 2 Details of the Three Status Registers Standard event register Status byte register Standard operation status register Standa...

Page 198: ...he OPR the summary of Operation Status Register bit and ESB the summary of Event Status Register bit of the status byte register are available The MSS bit of the status byte register is set to 1 when...

Page 199: ...tatus register except for the following three points The summary of the status byte register is written in bit 6 of the status byte register Bit 6 of the enable register is always valid and cannot be...

Page 200: ...until all the unmasked factors in the status register structure have been cleared 5 ESB The ESB bit is a summary of the standard event register 4 MAV Summary bit for the output buffer This instrument...

Page 201: ...o the delimiter as input values However when data begins with a the characters between and are received as input Output Format Column A comma in the Output Format column indicates that multiple items...

Page 202: ...ttenuator auto AA AA 0 Manual 1 Auto Input impedance OHM 50 OHM 0 50ohm 1 75ohm 50 75 OHM 75 XdB div DD DD 0 10dB 1 5dB 2 2dB 3 1dB Linear X1 LL1 Level offset RO RON RO Level ON RO RON ROON 0 OFF 1 ON...

Page 203: ...ull 21 Single Window SN Single SI SNGLS Reset Start Take sweep TS Reset Start SR Function Listener Code Talker Request Code Output Format Sweep time SW SW Sweep Time ST ST Sweep Time Sweep auto AS AS...

Page 204: ...frequency 2 Marker level ML Maker level 2 Frequency Level MFL MKR Frequency Level 2 Marker OFF MKOFF MO Normal marker MKN Delta Marker OFF MK Delta Marker ON MKD MT Normal marker absolute value Frequ...

Page 205: ...search MIS MAX MIN search MMS Continuously peak ON CPN CP 0 OFF 1 ON OFF CPF Peak Y div DY DY Y real value Peak range Normal PSN PKRNG 0 ALL 1 Up 2 Low Upper side PSU Lower side PSL Function Listener...

Page 206: ...SP DS MKR CF step MKCS M0 MKR CF step MTCS M1 MKR MKR step MKMKS M2 MKR MKR step MTMKS M3 Marker Trace A MKTRACE TRA MKTRACE 0 Blank 1 A Trace 2 B Trace Marker Trace B MKTRACE TRB Function Listener Co...

Page 207: ...veraging times AG AG Average times Start AGR Stop AGS Pause AGP AGP 0 Continue 1 Pause Continue AGC 1 time AGSGL AGSGL 0 Continuous 1 1 time AG1 Continuous AGCNT AG0 Trace B TB 0 Write 1 View 2 Blank...

Page 208: ...2 Negative 3 Sample Normal DETB NRM DTBN Positive DETB POS DTBP Negative DETB NEG DTBG Sample DETB SMP DTBS Function Listener Code Talker Request Code Output Format Display line DL DLN DL Level ON DL...

Page 209: ...er Code Talker Request Code Output Format Noise Hz NI NI Frequency dBm Hz NIM NION 0 OFF 1 dBm Hz 2 dB V Hz 3 dBc Hz dB V Hz NIU dBc Hz NIC OFF NIF Noise Hz value NIRES Level XdB down width MKBW MKBW...

Page 210: ...0 OFF 1 ON OFF COUNT OFF CNF Counter value CNRES Frequency Function Listener Code Talker Request Code Output Format Channel power PWCH PWCH Level PWCHON 0 OFF 1 ON Total power PWTOTAL PWTOTAL Level P...

Page 211: ...adjacent ACP BS ADBS ADBS Specified Bandwidth ACP alternate ADCHSC ON ADCHSC Channel Spacing alternate ACPSC Lower 1 Upper 1 Lower 2 Upper 2 ON ADCHSC ON ADCHSCON 0 OFF 1 ON OFF ADCHSC OFF ACP graph O...

Page 212: ...P EMCDET QP Peak EMCDET PEAK Normal EMCDET NRM QP BW 9kHz QP1 120kHz QP2 AUTO QPAUTO QPAUTO 0 AUTO 2 9kHz 3 120kHz QA QA Antenna selection ANT 0 OFF 1 Dipole 2 Log periodic 3 Biconical 4 Bilog 5 User...

Page 213: ...AL ALL CLA Total gain CLG IF step AMP CLSTEP IT1 RBW switch CLRBW IT2 Log linearity CLLOG IT3 AMPTD MAG CLMAG IT4 PBW CLPWB IT6 CAL level CLN CL Level ON CLN CLON 0 OFF 1 ON OFF CLF f correction ON FC...

Page 214: ...register DEL1 DEL2 DEL3 DEL4 DEL5 DEL6 DEL7 DEL8 DEL9 DEL10 Delete file DEL FD file name Recall register RC1 RC2 RC3 RC4 RC5 RC6 RC7 RC8 RC9 RC10 Recall file RC FD file name 1 Save item SVSET 0 OFF 1...

Page 215: ...e selection HCDEV 0 Printer 1 Floppy Printer HCDEV PRT Floppy HCDEV FDD Execution HCOPY Function Listener Code Talker Request Code Output Format Preset IP Function Listener Code Talker Request Code Ou...

Page 216: ...LF DL1 EOI DL2 CR LF DL3 LF EOI DL4 step up UP step down DN knob up coarse CU fine FU knob down coarse CD fine FD Indication ON ANNOT ON ANNOT 0 OFF 1 ON OFF ANNOT OFF Date SETDATE SETDATE YYMMDD for...

Page 217: ...30 Data Input Function Parameter Numeric value 0 1 2 3 4 5 6 7 8 9 Decimal point Minus sign Plus sign Exponent EXP E GHz GZ MHz MZ KHz KZ Hz HZ mW MW dB DB mA MA Second SC Millisecond MS MSEC Microse...

Page 218: ...rface master reset 30 PRINT 8 CF30MHZ Set center frequency to 30 MHz 40 STOP 50 END 10 ISET IFC ISET REN 20 PRINT 8 UU RL87DB Set REF level to 87 dB V 30 PRINT 8 DD5DB Set 5 dB div 40 PRINT 8 RB100KZ...

Page 219: ...rker at the maximum level for each sweep Example HP 4 Set to MAX HOLD A Example HP 5 Accessing the files NOTE The same format is used to access files with RC DEL SV commands 10 OUTPUT 701 IP 20 OUTPUT...

Page 220: ...space for plus sign for minus sign 2 Mantissa of data 3 Exponent of data 4 Delimiter CR LF in initial setting can be changed with DLn code Output Format Frequency D DDDDDDDDDDD E DD CR LF 1 2 3 4 Data...

Page 221: ...F30MZ SP1MZ MK30MZ Center frequency frequency span marker ON 30 PRINT 8 ML Marker level 40 PRINT 8 ML Read marker level 50 PRINT MARKER LEVEL ML Display the result 60 STOP 70 END 10 ISET IFC ISET REN...

Page 222: ...ta 30 PRINT 8 SP10MZ 40 PRINT 8 MK30MZ 50 PRINT 8 OBWPER 95 Set OBW 60 PRINT 8 OBW Execute OBW 70 INPUT 8 OBW Read the result of OBW 80 INPUT 8 FC OBW Carrier frequency and occupied bandwidth 90 PRINT...

Page 223: ...Example HP 9 Output frequency and level values for marker position at the same time multiple values Sample result Mf 1 8E 9 Ml 65 15 Example HP 10 With NEXT PEAK function read 2nd and following 10 pea...

Page 224: ...and output this data it is necessary to transfer data in order for all 501 points starting from the left most point start frequency Each point level is expressed by an integer from 512 to 3392 however...

Page 225: ...Binary format DD DD DD DD EOI Delimiter Low order byte for 1st point Low order byte for 501st point High order byte for 1st point High order byte for 501st point Each point data is divided into two pa...

Page 226: ...5F H3E H48 Cancel listener and address PC9801 to 30 as 60 listener and this device to 8 as talker 70 FOR I 0 TO 500 80 RBYTE UP LO Repeat fetching data high order bytes for 1501 90 TR I UP 256 LO Poin...

Page 227: ...input to memory A 50 FOR I 0 TO 500 60 DI I INT COS A 1000 2000 70 A A ST 80 NEXT I 90 Cancel listener and address PC9801 to 30 as 100 talker and this device to 8 as listener 110 WBYTE H3F H5F H5E H2...

Page 228: ...xecuted pressing the VIEW key enables the user to check the input result 2 For ASCII data make sure the number of I O operations is set to 501 For binary data reserve data for 501 points and use EOI a...

Page 229: ...status bit end of sweeping is set in one 120 STOP 10 ISET IFC ISET REN Send IFC signal and set REN signal in one 20 SPA 8 Set GPIB address 8 in a variable 30 PRINT SPA CF1500MZ Set the center frequen...

Page 230: ...8 Make the Operation Status bit of the status byte enable 80 PRINT SPA S0 Specify the sending out mode of SRQ signal 90 LOOP 100 SEND 0 Clear the Sweep end flag 110 PRINT SPA SR Begin the sweeping 120...

Page 231: ...Spa 708 Set GPIB address 8 in a variable 20 OUTPUT Spa CF1500MZ Set the center frequency to 1500 MHz 30 OUTPUT Spa SP250KZ Set the frequency span to 250kHz 40 OUTPUT Spa RB1KZ VB10KZ Set RBW to 1kHz...

Page 232: ...of 80 the status byte enable 90 OUTPUT Spa S0 Specify the sending out mode of SRQ signal 100 Mloop 110 Mend 0 Clear the Sweep end flag 120 OUTPUT Spa SR Begin the sweeping 130 ENABLE INTR 7 2 Make th...

Page 233: ...wing functions can be controlled by serial control Measurement conditions setup Measurement conditions each can be input in much the same as the key operation on the front panel Output of the setup st...

Page 234: ...ore connections for input and output NOTE 1 When you send or receive data using the cable connections shown in Figure 4 6 set XON XOFF to valid ON 2 DCD DTR and DSR are not used in the spectrum analyz...

Page 235: ...ection 2 RxD Receive Data Receive data 3 TxD Transmit Data Transmission data 4 DTR Data Terminal Ready Data terminal ready 5 GND Ground Signal ground 6 DSR Data set Ready Data set ready 7 RTS Request...

Page 236: ...he data from the controller with CR or CR and LF Query data and the GPIB delimiters are the same Therefore send DL0 or DL3 after serial port was opened refer to the example of RS 232 remote program Da...

Page 237: ...ritten in Microsoft Quick Ba sic licensed by Microsoft Corporation The Open command statement OPEN COM1 9600 N 8 1 ASC FOR RANDOM AS 1 shown below has the following characteristics baud rate is 9600 b...

Page 238: ...r frequency x Frequency reference accuracy 1LSD S N P 25dB SPAN 200MHz Marker frequency counter resolution 1Hz to 1kHz Frequency reference source accuracy 2ppm Year 5ppm Operating environment range Fr...

Page 239: ...ep Characteristics Description Sweep time 50ms to 500ms Sweep time accuracy 3 Trigger mode FREE RUN VIDEO EXT LINE Sweep mode REPEAT SINGLE Characteristics Description Average noise level 113dBm 2 f G...

Page 240: ...on bandwidth switching accuracy 0 5dB after self calibration IF gain error 0 5dB after self calibration Overall level accuracy 1 5dB REF 50 to 0dBm ATT 10dB 2dB div RBW 300kHz f 100kHz after self cali...

Page 241: ...with gated sweeps are shown below a t1 b t2 t2 1 sec c t3 RBW t1 1MHz more than 2 sec 300kHz more than 15 sec 100kHz more than 20 sec 30kHz more than 50 sec 10kHz more than 180 sec SWP Time t3 SWP Tim...

Page 242: ...s Dimensions approximately 424 W x 177 H x 300 D mm not including projections such as rubber feet and connectors Characteristics Description Frequency range 100kHz to 3 0GHz Output level range Resolut...

Page 243: ......

Page 244: ...change to Write mode 008 Calculated power is out of range The display line cannot be displayed because the measurement result is out of range 009 No peak is detected No corresponding peak has been det...

Page 245: ...ompatible 202 Can t format a device The disk cannot be formatted properly 203 File or register empty The recall command could not be executed successfully because the file or register is empty 204 Tra...

Page 246: ...not enabled 303 Printer is busy The printer is currently being used 800 TG output signal is not detected TG output signals cannot be detected 801 TG Freq Adjust failure Pls report to qualified servic...

Page 247: ......

Page 248: ...the resolution of the spectrum analyzer should be expressed using the narrowest resolution bandwidth See Figure A2 1 b below Figure A2 1 Resolution Bandwidth Reference Level Display Accuracy When read...

Page 249: ...purious signal generated by the spectrum analyzer is suppressed Residual response is generated by leaks of signals such as local oscillation output in the spectrum analyzer This should be taken into c...

Page 250: ...ncy is reduced by noise generated in the local oscillator and phase lock loop of the analyzer This noise will appear in the vicinity of the spectrum on the screen To compensate for this the sideband o...

Page 251: ...dwidth at a certain attenuation range 60 dB should also be defined The ratio between the 3 dB width and 60 dB width is expressed as the bandwidth selectivity BW60 dB BW3 dB Figure A2 5 Bandwidth Selec...

Page 252: ...optimal resolution in signal spectrum analysis according to the scan width When switching from one IF filter to another while measuring one and the same signal an error is generated for the difference...

Page 253: ......

Page 254: ...MENSIONAL OUTLINE DRAWING CAUTION Unit mm This drawing shows external dimensions of this instrument The difference in products and options used can cause a change in the appearance of the instrument O...

Page 255: ......

Page 256: ...VG A B CONT SGL 3 15 3 55 AVG A B ON OFF 3 15 3 54 AVG A B PSE CONT 3 15 3 54 B Bandwidth 3 17 4 16 Bandwidth Accuracy A2 4 Bandwidth Selectivity A2 4 Bandwidth Switching Accuracy A2 5 Basic Operation...

Page 257: ...splay Line ON OFF 3 9 3 23 Display ON OFF 3 8 3 19 Display Section 2 2 Displaying Off 4 3 Displaying Spectrums and Operating the Markers 2 17 Displaying submenu 2 15 Dynamic range 2 42 5 2 E Each Item...

Page 258: ...r 4 3 Inverse 3 9 3 25 K kHz 2 5 L Last Span 3 14 3 50 Length 7 8 3 8 3 20 LEVEL 2 4 3 10 3 30 Level 3 30 4 15 Limit UP LOW 3 12 3 40 Line 3 15 3 56 Line and Window 3 23 Line setup display 2 11 Linear...

Page 259: ...NONE ODD EVEN 3 8 3 20 Parser 4 5 PAS FAIL 2 7 3 12 3 40 Pass Fail judgment 2 74 3 40 4 22 Pass Fail ON OFF 3 12 3 40 PBW 3 7 3 18 Peak 3 10 3 26 Peak CF 3 10 3 12 3 28 3 38 3 39 Peak Ref 3 12 3 38 3...

Page 260: ...g Date 2 99 Setting GPIB address 4 2 Setting Time 2 99 Setting up the measuring window 2 26 Setting Values 3 57 Setup ON OFF 3 14 3 47 SHIFT 2 8 3 10 SHIFT CONFIG PRESET 2 8 3 13 SHIFT COPY Abort 3 7...

Page 261: ...26 U UHALP9107 3 10 3 26 UNCAL message 2 11 2 36 Unit 4 15 Units 3 10 3 30 4 7 Units keys 2 5 User Ant Corr 3 10 3 26 Using Floppy Disks 2 85 Using SHIFT 2 16 Using the delta marker 2 21 Using the Exp...

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ADVANTEST R3131 Series, Operation Manual

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