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8.5 Performance test

FRA5087

8-7

8.5.5 Oscillator distortion

Oscillator sine wave distortion is tested.

Setting

FRA5087

Distortion meter

Output waveform

Sinusoidal wave

Noise distortion (THD) measuring mode

Output voltage

10 Vpeak

DC bias

0 V

Connection

FRA5087

Distortion meter

BNC-BNC

Coaxial cable

OSC

CH1 CH2

Procedure

Set the oscillator frequency as follows and read the distortion meter indication. Set the
distortion meter lowpass filter (LPF) to 100 kHz.

Oscillator frequency: 10 kHz

Judgment

Oscillator frequency

Distortion (THD)

Tolerance

10 kHz



0.2 %

THD: Total harmonic distortion

Содержание FRA5087

Страница 1: ...NF Corporation FREQUENCY RESPONSE ANALYZER FRA5087 INSTRUCTION MANUAL...

Страница 2: ......

Страница 3: ...DA00014460 004 FREQUENCY RESPONSE ANALYZER FRA5087 INSTRUCTION MANUAL...

Страница 4: ......

Страница 5: ...hile please advised that the instructions for the GPIB and USB interface are included in a separate manual 1 Introduction This Chapter involves such information as overview features applications funct...

Страница 6: ...for this instrument and therefore you will have a risk of an electric shock unless the instrument is properly grounded To avoid risk of electric shock be sure to connect securely to ground through le...

Страница 7: ...as at the instrument itself are the following Instructions Manual reference mark This mark indicates that users should pay attention to potential failures damages or injury and that they are requested...

Страница 8: ...for disposal For environmental protection please note the following guidelines for disposal of this device 1 This device is equipped with a lithium battery Ask an industrial waste disposal contractor...

Страница 9: ...for location of installation 2 3 2 2 3 Rack mounting 2 4 2 3 Grounding and power supply connection 2 8 2 4 Compliant standards 2 9 2 5 Quick function checking 2 10 2 5 1 Checking functions and indicat...

Страница 10: ...nput setting 4 9 4 5 Oscillator setting 4 10 4 5 1 Oscillator basic setting 4 10 4 6 Display setting 4 13 4 6 1 Setting display format 4 13 4 6 2 Setting display scale 4 14 4 6 3 Setting grids 4 14 4...

Страница 11: ...ons 4 45 5 Impedance display function option 5 1 5 1 General 5 2 5 2 Features 5 2 5 2 1 Impedance display 5 2 5 2 2 Open and short correction 5 2 5 2 3 Max min value search 5 2 5 3 Option software cha...

Страница 12: ...Quick diagnosis 7 7 8 Maintenance 8 1 8 1 Introduction 8 2 8 2 Daily maintenance 8 2 8 3 Storage re packaging and transportation 8 3 8 4 Identification of version number 8 3 8 5 Performance test 8 4...

Страница 13: ...11 9 5 Calculations 9 11 9 6 Auto sequence 9 11 9 7 Display 9 12 9 8 Memory 9 13 9 9 External memory 9 13 9 10 Peripheral input output functions 9 14 9 11 Impedance display function option 9 15 9 12 M...

Страница 14: ...ing cable is used 3 20 Fig 3 5 Screen directly after start 3 21 Fig 3 6 Top menu 3 22 Fig 3 7 Menu window 3 23 Fig 3 8 TABLE displays 3 23 Fig 3 9 Display during entering figures 3 24 Fig 3 10 Functio...

Страница 15: ...Fig 5 1 Phase invert connection 5 8 Fig 5 2 Impedance measurement connection 5 9 Fig 5 3 Open correction example 5 10 Fig 5 4 Short correction example 5 10 Fig 5 5 Open and short correction function...

Страница 16: ...lay units 5 8 Table 5 4 Open and short correction formulas 5 12 Table 6 1 Data types of variables within file 6 3 Table 6 2 a Measurement data file format Header 6 4 Table 6 2 b Measurement data file...

Страница 17: ...FRA5087 1 1 1 1 Features 1 2 1 2 Applications 1 3 1 3 List of functions 1 4 1 4 Principle of operation 1 9 1 4 1 Basic principle 1 9 1 4 2 Block diagram 1 11 1 Introduction...

Страница 18: ...ange between 0 1 mHz and 10 MHZ can be swept and measured all at once d Color TFT LCD included The built in color TFT LCD displays the frequency characteristic graphs and measurement condition setup m...

Страница 19: ...system combined with an on line computer due to its standard availability or the GPIB capability Servo system Servo loop characteristics measurement for DVD players VTRs etc Electronic circuits Freque...

Страница 20: ...of measurement data Memory Memory Storing measurement data into internal memory etc Output control Output Functions related to GPIB and printed output Disk Disk Functions related to USB flash drive C...

Страница 21: ...REPEAT HOLD END Integration Delay Equalize Analyzing harmonics Measurement mode Coherence mode Mode Decision channel VARIATION Mode Maximum integration time Reference channel Reference level Restrict...

Страница 22: ...Display scale STYLE TYPE TYPE STYLE logF F A dBR logR R logA log A A B B CH1 CH2 CH2 CH1 CH1 CH2 180 0 360 360 0 MASS DATA PERMANENT DATA DISK DATA OFF FREQUENCY dBR R a b SINGLE SPLIT Broken lines S...

Страница 23: ...n loop Memory Memory STORAGE recording MASS DELETE deletion PERMANENT EQUALIZE MASS PERMANENT CURRENT TAG Output control Output SELECT GPIB GPIB Address Delimiter CR LF EOI CR EOI File number Hard cop...

Страница 24: ...1 3 List of functions FRA5087 1 8 Others Others Setting title Buzzer Setting day hour Setting initialization ON OFF System data...

Страница 25: ...H2 is made to produce the gain and the phase of the signals at the angular frequency for which the SUT is to be analyzed CH1 t OSC DF T Frequency CH2 t C H 1 C H 2 SUT FRA In Out H DF T CH2 CH1 A D co...

Страница 26: ...e FRA analysis has the following features The discrete Fourier transform itself has a steep band pass characteristic and therefore the effect of noise and harmonics will be reduced Measurement can be...

Страница 27: ...k diagram sampling clock Built in thermal printer KEY BD SW PS LCD DCPS BD 24V 5V CH1 8V 24V OSC CH1 CH2 AUX CH2 8V OSC 15V GPIB 24V PREAMP BD A D OSC BD Local OSC PREAMP BD A D AD CPU BD CPU BD USB U...

Страница 28: ...its DC component removed and be amplified or attenuated to an appropriate level to be A D converted to a 16 bit signal If the analysis frequency is below 3 kHz the signal will be directly A D convert...

Страница 29: ...teria for location of installation 2 3 2 2 3 Rack mounting 2 4 2 3 Grounding and power supply connection 2 8 2 4 Compliant standards 2 9 2 5 Quick function checking 2 10 2 5 1 Checking functions and i...

Страница 30: ...on or NF s agent dealer Checking external appearance Check whether or not the instrument has any damages or dents on the panel surface or at knobs or connectors Checking accessories Shown below is a l...

Страница 31: ...strument is placed in environment with flammable gas there will be a high risk of explosion Never install use or operate the instrument in such environment Places with direct sunshine or near fire or...

Страница 32: ...mount the instrument on the rack Support the instrument by all means by installing some supports such as rails on the rack Do not mount this instrument on an enclosed rack otherwise internal temperat...

Страница 33: ...acing printer roll paper Caution A minimum clearance of 151 mm above the main unit is required for paper replacement Ensure this allowance when installing Caution Do not just use the rack mounting fla...

Страница 34: ...2 2 Mounting and installation FRA5087 2 6 mm rack inch rack Fig 2 2 Mounting rack mount adapter Remove side protector Remove side protector...

Страница 35: ...2 2 Mounting and installation FRA5087 2 7 Fig 2 3 Removal of foot stands...

Страница 36: ...strument by all means WARNING Note the following precautions to prevent electric shock Before connecting the unit to perform measurements always connect the protective grounding terminal to a groundin...

Страница 37: ...connector located at the rear of this instrument 4 Connect the mains supply cord male plug into the three pole power source outlet CAUTION The mains supply cord attached to this instrument is exclusi...

Страница 38: ...window will automatically be closed For more detail on lamp indications at the time of power supply ON refer to 3 2 Display at power ON and initial settings For more detail on error messages refer to...

Страница 39: ...nduct the performance tests of Section 8 5 at least once a year The performance tests are also recommended immediately before using the equipment for important measurements or testing Refer the perfor...

Страница 40: ...2 6 Calibration FRA5087 2 12 Blank...

Страница 41: ...ion 3 12 3 2 3 Warm up 3 15 3 3 Input and output terminals 3 16 3 4 Insulation breakdown voltages of input and output voltages 3 19 3 5 Examples of basic operations 3 21 3 5 1 Menu operation 3 21 3 5...

Страница 42: ...the rear panel and the top panel of the FRA5087 3 1 1 Front panel USB A connector LCD display Menu settings and graphs showing results of measurement are displayed Thermal printer This is a power on o...

Страница 43: ...menu in level or a table are displayed CLOSE The current menu is closed and a higher level menu by one level is displayed BACK This key is used to display one after another ten newest window displays...

Страница 44: ...hat can be loaded or saved by these keys is limited to one SAVE Saves the current FRA5087 measurement conditions in the USB flash drive The save file name is CORRENT CON fixed LOAD Loads the measureme...

Страница 45: ...e details refer to 4 6 1 Setting display format Marker control key and knob SET MARKER The knob to be used to move markers These keys and knob are valid only when markers are displayed on the screen T...

Страница 46: ...ing sweep measurement operation to clear the current graph and to newly start sweep operation MEAS This key is used to make a measurement at a fixed frequency Press this key while the REPEAT lamp is o...

Страница 47: ...off the output voltage Both the AC and DC lamps will be lit off AC OFF Press this key to turn off only the alternate current component of the output voltage Only the AC lamp will be lit off AC DC ON...

Страница 48: ...eys mentioned above will be displayed in the register display portion located at the bottom of the LCD display screen SP This key is used to enter space in the character ring e g titles Note that this...

Страница 49: ...robe Connector for the type 5055 to be sold delivered separately This is used to adjust the LCD brightness Turn the screw to the right by using a small screw driver to increase the brightness Nomencla...

Страница 50: ...F representatives when you have one of the three types of errors mentioned above All setup and data were lost re initialized This error information is displayed either when the battery has been discha...

Страница 51: ...wing are possible causes of calibration errors as mentioned above Effect of external noise During calibration processes measurement is made within the instrument by connecting the oscillator output an...

Страница 52: ...the Table Table 3 1 List of initialization values continued Setting items Initialization values At shipment from factory At data destruction At initialization executed Notes Remarks OSC FREQUENCY 1 kH...

Страница 53: ...ters cleared INPUT CH1 LEVEL 250 Vrms Excessive level detection threshold CH2 LEVEL 250 Vrms ACTION BUZZER OFF Action taken at excessive level detection SWEEP STOP OFF OSC OFF OFF WEIGHTING FACTOR CH1...

Страница 54: ...data destruction At initialization executed Notes Remarks GRAPH continued MAX 180 deg MIN 180 deg a MAX 10 a MIN 10 b MAX 10 b MIN 10 CALC DATA1 TAG 0 MODE DATA2 TAG 0 ANSWER TAG 0 d dt dt DATA TAG 0...

Страница 55: ...ate is set at shipment from factory MONTH 1 DAY 1 TIME SET HOUT 0 The actual shipment time is set at shipment from factory MINITE 0 3 2 3 Warm up It takes more than 30 minutes after the power supply s...

Страница 56: ...applied between any two of the cabinets CH1 CH2 and the oscillator WARNING Do NOT connect to any measurement target that exceeds 250 Vrms of measurement Category I Doing so may result in insulation br...

Страница 57: ...means so that you cannot directly touch metallic portions of the BNC connectors at the analyzer input terminals The output impedance is always 50 whether or not the output is on The maximum allowable...

Страница 58: ...urrent capacity of 100 mA Connect to the outlet the cable that is attached to the signal injector probe 5055 The figure below shows an example of the connection of the signal injector 5055 to the inst...

Страница 59: ...200V DC alternatively 350 Vpeak AC DC 250Vrms 250Vrms 250Vrms 250Vrms Measurement category I 250Vrms 1 Measurement category I Fig 3 1 From enclosure isolation voltage specifications when accompanying...

Страница 60: ...3 4 Oscillation section analysis section inputs isolation voltage specifications when a cable other than the accompanying cable is used WARNING Do not apply excessive voltages between insulated signa...

Страница 61: ...5 6 Measuring conditions Screen tag select Status Fig 3 5 Screen directly after start Measuring conditions The present main settings measuring conditions of the FRA5087 are shown The abbreviations ar...

Страница 62: ...ift or switch the top menu from one to another See Fig 3 6 Top menu OSC 100 0000000kHz 1 00 Vpeak DC 0 00 V INTEG 1cycle HMNC 1 SWP 100steps sweep CPRSN OFF SLSWP OFF ANAL CH1 CH2 EQL OFF SWEEP STOP 1...

Страница 63: ..._ A TABLE RANGE 0 1m 15MHz RESOLN 0 1mHz TABLE OFF ON OFF TABLE cycle RANGE 1 9999 RESOLN 1 sec RANGE 0 9999 RESOLN 10m a TABLE for entering b TABLE for entering c TABLE for d TABLE for entering char...

Страница 64: ...ut the cursor back by one 1 character through pressing the ENTRY BS Back Space key The cursor flashes black at the entry location as indicated in Fig 3 9 CURSOR TO TOP AutoSeq 1 1 12 00 1 234k Blinkin...

Страница 65: ...e until this key has been pressed even if you change the AC amplitude or DC bias setting Oscillator output off Press the AC DC OFF key to turn off the AC and DC lamps and to turn the display into 0 V...

Страница 66: ...cribed below with the following measurement conditions Measurement frequency 1 0 MHz Oscillator Amplitude 5 Vpeak and DC bias 1 V the amplitude to be set with the output being open The following param...

Страница 67: ...V ITEM OPEN 1 ENTER Deleting menu CLEAR Setting oscillator output on AC DC ON 3 SINGLE measurement Press the MEAS key to perform measurement At the end of measurement the resulting data are shown at...

Страница 68: ...s a measurement mode where measurement is made through frequency sweep An example of measurement is described below with the following measurement conditions Measurement frequency 1 0 kHz 2 2 MHz Osci...

Страница 69: ...tude setting 7 Vpeak ITEM OPEN 7 ENTER Integration cycle setting 10 cycles ITEM OPEN 1 0 ENTER Deleting menu CLEAR Setting oscillator output on AC DC ON 3 Sweep measurement Press either the SWEEP UP k...

Страница 70: ...following equation A V2 V1 Set the measurement mode at CH1 and CH2 and the analysis mode at CH2 CH1 for the FRA5087 to display the SUT frequency characteristics gain and phase versus frequency on the...

Страница 71: ...FRA5087 can be used to measure of the servo loop i e The oscillator of the FRA5087 is to be inserted into the servo loop circuit The measurement is made possible by virtue of such FRA5087 s features a...

Страница 72: ...resistance Rs and the voltage across the DUT can be measured as V1 as shown in the figure The DUT impedance Zx is obtained by the following equation 2 1 2 1 V V Rs Rs V V i v Zx Set the analysis mode...

Страница 73: ...suitable probe to reduce measurement error is recommended For example a 10 1 oscilloscope probe can be used Select a probe with an oscilloscope matching impedance in the range of 20 to 30 pF at 1 M Be...

Страница 74: ...the cable outer conductor shield and ground due to stray capacitance If the connecting cable is long oscillation can occur due to such properties as cable inductance and isolation capacitance disturbi...

Страница 75: ...s analysis 4 23 4 9 Amplitude compression 4 24 4 10 Frequency axis high density slow sweep 4 26 4 11 Calculation functions 4 27 4 12 Auto sequence 4 31 4 13 Simplified load save of setting conditions...

Страница 76: ...r supply on or through the menu Calib Error compensation for measurement system The characteristics of various measurement equipment connected externally to the FRA5087 are measured as measurement sys...

Страница 77: ...V 1 1 V2 V 2 2 CH1 CH2 OSC D F T V1 V 1 1 V2 V 2 2 a CH1 CH2 b CH1 OSC CH1 CH2 OSC D F T V1 V 1 1 V2 V 2 2 c OSC CH2 Fig 4 2 Measurement mode and internal connection The measurement mode CH1 CH2 is u...

Страница 78: ...CH1 CH1 and CH2 one of which should be set through the menu Graph FORMAT ANALYSIS MODE The result of analysis is given by the gain and phase for the analysis modes CH1 CH2 and CH2 CH1 and by voltage a...

Страница 79: ...tude dBV F R Frequency Hz Amplitude Vrms logF Frequency Hz Logarithmic scale deg F Frequency Hz deg dBR deg Amplitude dBV Nichol s chart R deg Amplitude Vrms A B Amplitude real part Vrms Amplitude ima...

Страница 80: ...ant of the SUT Among others note that sufficient period of time delay needs to be secured for measuring accurately the SUTs that involve high order elements e g filters with steep frequency characteri...

Страница 81: ...the number of Fourier integrations the higher the accuracy of measurement The time required for measurement is needless to say proportional to the number of times of Fourier integrations The FRA5087 h...

Страница 82: ...tion capability will lead to automatic selection of optimum integration times as well as reduction of the measurement period of time Set the analysis channel which is to be referred to for determining...

Страница 83: ...tions when excessive over levels were detected Each of the above indicates to activate buzzer to stop frequency sweep or to turn off only AC component of oscillator as well as to stop frequency sweep...

Страница 84: ...you change the output voltage settings unless you press the AC DC ON key STOP MODE One of the following is selected in the oscillator stop mode when you press the AC OFF key ZERO The oscillator stops...

Страница 85: ...ART STOP PHASE setting START STOP PHASE This is used to set the phase of the oscillator output with which the oscillator start to produce or stop producing the output waveform This setting is valid wh...

Страница 86: ...llator output voltage level changes continuously when the oscillator status is off either at the start or the end of the SLOW operation i e changing the output from off to on or from on to off Note ho...

Страница 87: ...or function is effective Settings are possible for individual graphs separately for GRID DISPLAY MODE ANALYSIS MODE and PHASE RANGE CAUTION In the following type operations when the Screen and keys ar...

Страница 88: ...sweep frequency range specified by MIN FREQUENCY and MAX FREQUENCY in the menu Measure SWEEP FUNCTION irrespective of the ON OFF status of the auto scale AUTO SCALE 4 6 3 Setting grids Use the follow...

Страница 89: ...The gain grid interval is obtained according to the following Gain grid interval For 0 75E n R 1 5E n 1 0E n For 1 5E n R 3 5E n 2 0E n For 3 5E n R 7 5E n 5 0E n For 7 5E n R 15 0E n 10 0E n 5 Multi...

Страница 90: ...markers You can read the gain difference or the phase difference between those at two different measurement frequencies by using these markers The normal marker is displayed in and the delta marker i...

Страница 91: ...2 2000000000MHz R 0 038 dB 0 06 deg OSC 2 2000000000MHz 7 00 Vpeak DC 1 00 V INTEG 100cycle HMNC 1 SWP 100steps sweep CPRSN OFF SLSWP OFF ANAL CH2 CH1 EQL OFF f 2 2000000000MHz R 0 038 dB 0 06 deg Du...

Страница 92: ...splays the read out data of the intersection of the x axis normal marker with the measurement data curve The y axis normal marker is active i e and SET lamps are off Turn the knob and the y axis delta...

Страница 93: ...are selected and displayed The functions of function keys are the following PREV To return to the previous page NEXT To go to the next page To move the cursor up by one line To move the cursor down b...

Страница 94: ...tored in the master memory since the data have just been taken and if those data are unnecessary for you press the function key DELETE CUR TAG in the menu Memory to delete the data If you find you can...

Страница 95: ...d storage recording of measurement system errors 1 Connect as shown in Fig 4 13b to cancel only the desired measurement system 2 Set the menu Measure BASIC FUNCTION EQUALIZING at OFF 3 Set all items a...

Страница 96: ...V1e Probe2 Probe1 3 Connect as shown in Fig 4 14a and measure the overall dut system Putting the Amp output voltage to be Vin and the Fdut output voltage to be Vout you can obtain input voltages of CH...

Страница 97: ...s The oscillator output frequency is displayed in the frequency axis of the graph on the LCD screen Therefore the graph display and the maximum measurable frequencies are limited to 10 MHz n when you...

Страница 98: ...n and the measurement data is again compared with the compression level setting to find the difference If the difference is still beyond the permissible range repeat the measurement and comparison If...

Страница 99: ...ement CORRECTION FACTOR To be used set the voltage correction factor An example of amplitude compression is shown below where the voltage correction factor CORRECTION FACTOR has been set at 70 It is a...

Страница 100: ...nts the measured data status of whether or not there is a sharp data variation the mode setting status of MANUAL AUTO and the function key setting status of MANUAL ON or MANUAL OFF See Table 4 5 High...

Страница 101: ...cal value and calculation between numerical values Use the menu window Calc to set the operation of the four rules of arithmetic DATA1 TAG measurement result or calculation result or CONSTANT constant...

Страница 102: ...e frequency domain In the same theory the second order differentiation in the time domain corresponds to multiplication of j 2 by the data In the similar manner integration and double integration doub...

Страница 103: ...conversion To 1 To Tm or the closed loop to open loop conversion Tc 1 Tc Tm ANSWER TAG To be used to set the data TAG number of 0 6 for storing the calculation result To Tc Fin Fout Open loop transfe...

Страница 104: ...DATA2 the amplitude and phase of the data at the maximum frequency are used as the data of DATA2 Similarly when the frequency of DATA1 is lower than the minimum frequency of DATA2 the amplitude and p...

Страница 105: ...usual Press the AUTO SEQ key again to complete the key sequence storage The REC lamp will be turned off to indicate the key sequence storage recording having completed Key operations during the REC l...

Страница 106: ...wever the execution terminates at that point If an overload occurs midway during execution of the key sequence the execution is terminated only when either one of SWEEP STOP or OSCOFF in the menu Inpu...

Страница 107: ...will be saved in the disk When the measurement condition is loaded midway during the execution of key sequence the recorded key sequence will be rewritten by the loaded sequence content However the s...

Страница 108: ...ITEM after the desired item is moved to the top by the function key CURSOR TO TOP 4 13 Simplified load save of setting conditions You can easily load save the FRA5087 setting conditions from to the US...

Страница 109: ...o save To save press the function key CONTINUE For information messages see 7 1 1 List of information messages CAUTION The file name of the file loaded saved by the CONDITION LOAD or SAVE key is alway...

Страница 110: ...Open the cover Open the printer on the top of the FRA5087 Use a coin or similar tool to turn and release stoppers then open the cover R C X g b p p l Fig 4 21 Open the cover b Load printer paper Load...

Страница 111: ...to the shaft and the head of the printer Turn the lever to the vertical position Head Platen rubber roller Printing paper Insert printing paper from the lower side of the platen Return the lever to ho...

Страница 112: ...r can yield inferior print quality and possibly damage the printer If the paper is depleted not properly set or the lever not correctly horizontal the LCD shows Error 70 Printer didn t respond when PR...

Страница 113: ...ft of the front panel of the FRA5087 not via any USB HUB or extension cable Is not partitioned but is constituted as one logical disk 4 15 1 LCD screen hardcopy Press SCREEN COPY USB MEMORY to produce...

Страница 114: ...output is off for both AC DC Press the AC DC OFF key before starting calibration operations to turn off the oscillator output When calibration operations start the window Calibration Systemcheck is d...

Страница 115: ...les excepted b SAVE To save measurement data and or measurement conditions storage DATA To save measurement data ALL To store all of the contents of the master data memory and the permanent memory as...

Страница 116: ...a file you want to read in The selected file will be displayed in inverted characters Press the function key LOAD to load the selected file If you want to specify the file name by yourself and load th...

Страница 117: ...JECT USB flash drive removal Before removing USB flash drive from FRA5087 be sure to press the function key EJECT and check that the USB flash drive is not accessed by for instance confirming that the...

Страница 118: ...S STORAGE To store in the mass memory PERMANENT STORAGE To store in the permanent memory EQL STORAGE To store in the equalizing memory The Equalizing function menu Measure BASIC FUNCTION EQUALIZING be...

Страница 119: ...splayed data have been measured but not the current FRA5087 condition which has been set for measurement 4 20 Other functions Use the menu Others to set the built in clock etc TITLE SET To give set a...

Страница 120: ...4 19 Condition display FRA5087 4 46 Blank...

Страница 121: ...4 3 Graph screen description 5 9 5 4 4 Shunt resistance current voltage conversion coefficient setting 5 9 5 4 5 Connection for impedance measurement 5 10 5 5 Open and short correction 5 11 5 5 1 Conn...

Страница 122: ...and logarithmic graphs display impedance reactance admittance conductance and susceptance Current to voltage conversion coefficient 0 to 1 0E 6 can also be set 5 2 2 Open and short correction This fu...

Страница 123: ...hanges to the chart of 1 3 are indicated Rectangles denote the added and changed locations Display control graph display mode was changed Display mode Graph Marker Grid Display mode Max min detect dis...

Страница 124: ...ettings Measure Integral Equalize Basic settings Delay Open correction Short correction High harmonic analysis Measuring mode Open and short storage added to memory setting Memory STORAGE Storage MASS...

Страница 125: ...e menu Input setting range is 0 to 1 0E 6 resolution 5 digits or 0 1E 09 Table 5 1 indicates graph axis contents scale and units with respect to units analyze mode and display mode settings Table 5 1...

Страница 126: ...ude real Log Arms A Amplitude real Linear Arms logB amplitude imaginary Log Arms log B amplitude imaginary Log Arms B Amplitude imaginary Linear Arms B amplitude imaginary Linear Arms GAIN CH1 CH2 CH2...

Страница 127: ...inear Reactance linear logF logA logB Reactance log Reactance log logF log A logB resistance log Reactance log logF logA log B Resistance log reactance log logF log A log B reactance log reactance log...

Страница 128: ...ermined by UNITS and ANALYSIS MODE setting Display units are indicated in Table 5 3 Impedance display is fixed at voltage for CH1 input and current for CH2 input Table 5 3 Display units ANALYSIS GAIN...

Страница 129: ...10 inverse of 100 m Set invert on to invert the phase 180 This can be effective for inverting voltage and current phase when measuring impedance Fig 5 1 Phase invert connection Impedance units Graph a...

Страница 130: ...0 shunt resistor is suitable for current detection If measuring a larger voltage and large current supply the FRA5087 oscillator output to an external amplifier The NF Corporation HSA series can be us...

Страница 131: ...5 4 Short correction example 5 5 2 Data measurement and storage Measure and store the open and short data as follows 1 Set the menu Measure BASIC FUNCTION OPEN CORRECTION and SHORT CORRECTION at off 2...

Страница 132: ...e correction data 5 5 4 Open and short correction function setting The open and short correction function must be set to on in order to conduct measurements using the open and short correction data Us...

Страница 133: ...Y1 BOTTOM minimum Y2 PEAK and Y2 BOTTOM SEARCH items have been added to menu GRAPH When menu GRAPH SEARCH is selected the function keys indicated in Fig 5 6 are displayed Press the key for the desired...

Страница 134: ...5 6 Max min search function FRA5087 5 14 Blank...

Страница 135: ...you can read 6 2 6 3 File format 6 2 6 3 1 Format of measurement data files 6 4 6 3 2 Format of measurement conditions files 6 7 6 4 Software for reading files 6 13 6 4 1 Installation 6 14 6 4 2 Unin...

Страница 136: ...ent conditions produced by the FRA5087 are the following Directory on which files are produced Files are produced only in the root directory Limitation to file naming 8 characters The external identif...

Страница 137: ...g shows the formats of the IEEE double and single precision floating numbers which are used for the FRA5087 file Format of IEEE double precision floating point number 8 bytes per data or set of data L...

Страница 138: ...nu Input WEIGHTING FACTOR functions Fig 6 1 indicates resulting data from FRA5087 computations arithmetic differential integral open and closed loop etc File head File tail RAW 0 RAW 1 RAW n RAW 2 OPR...

Страница 139: ...ep 2 Lin steps sweep 1 Log steps decade 3 Lin Hz 162 0xa2 short not yet used SweepType 0 1 2 SweepType 3 164 0xa4 short Sweep resolution steps double Sweep resolution Hz 166 0xa6 short 3 not yet used...

Страница 140: ...M The formats for the RAW data RAW and the OPERATED data OPRD are described in the Table 6 3 Data format below The RAW data RAW and the OPERATED data OPRD occupy 28 bytes 0x1c and 16 bytes 0x10 respec...

Страница 141: ...fer to the parameters to be set for measurement by the FRA5087 File head File tail Header Condition data Fig 6 2 Structure of measurement condition file The file formats for the header and the conditi...

Страница 142: ...unction 0 OFF 1 ON 88 0x58 long High density slow sweep 0 OFF 1 ON 92 0x5c long Auto scale 0 OFF 1 ON 96 0x60 long Grid display 0 OFF 1 ON 100 0x64 long Marker display 0 OFF 1 ON 104 0x68 long not yet...

Страница 143: ...CH1 3 CH2 192 0xc0 short not yet used 194 0xc2 short Selection number of mass data 196 0xc4 short Selection data for permanent data 198 0xc6 short Deletion number of mass data 200 0xc8 short Deletion...

Страница 144: ...arithmetic 0 6 264 0x108 short DATA TAG set value for differentiation and integration 0 6 266 0x10a short Mode of differentiation and integration 0 j 1 j 2 2 1 j 3 1 j 2 268 0x10c short ANSWER TAG se...

Страница 145: ...x1bc double VARIATION of dBR in high density slow sweep operation dB 452 0x1c4 double VARIATION of R in high density slow sweep operation Vrms 460 0x1cc double VARIATION of in high density slow sweep...

Страница 146: ...used 1394 0x572 char 12 Condition data SAVE file name 1406 0x57e char 246 not yet used 1652 0x674 char 12 Measurement data LOAD file name 1664 0x684 char 246 not yet used 1910 0x776 char 12 Condition...

Страница 147: ...ndows3 1 and previous versions to it Important functions of this software are the following To read out data files as measured by the FRA5087 from the USB flash drive To store the read out data in the...

Страница 148: ...sing appropriate extraction software c Adding to start menu etc Add DSPL5090 EXE in the start menu and or add its shortcut on the desktop as you need to more conveniently use the software Refer to the...

Страница 149: ...graph to display the graph of the file data b Displaying multiple pages of graphs When you have specified more than one page of data files use the menu or the button to change the page To the previous...

Страница 150: ...tup Graph properties standard Use the menu Setup Graph properties current or click the button to change the setting of the format of the currently displayed graph Use the menu Setup Overwrites as stan...

Страница 151: ...FRA5087 7 1 7 1 Error messages 7 2 7 1 1 List of information messages 7 2 7 1 2 List of error messages 7 3 7 2 Quick diagnosis 7 7 7 Trouble shooting...

Страница 152: ...alysis frequency is limited to 10 MHz Note that even if the order of frequency harmonics is more than one 1 analysis frequency is still limited to 10 MHz 2 Some parameters were corrected When conditio...

Страница 153: ...memory 6 Disk not found A USB flash drive is not connected 7 Disk is write protected Since the USB flash drive is write protected it is not possible to write in it 8 Can t access disk The USB flash dr...

Страница 154: ...rower than the frequency resolution capability You may not set this sweep range 18 Can t set line markers are invalid Since the line markers in the y axis direction are invalid for the sweep range tha...

Страница 155: ...be used for setting 32 Question only permitted The current header cannot be used for setting and can only be used for asking a question 33 No data in this tag There are no data existing in the specifi...

Страница 156: ...nnot be executed since the oscillator OSC is not in the state of AC DC OFF 50 Memory overflow The memory capacity is not sufficient to secure the required area for calculation operation 51 Can t execu...

Страница 157: ...l noise etc Reinstall the instrumentation at a location with less noise good environment Panel operation does not work The setting is in the Remote status Press the GPIB LOCAL key to set the status at...

Страница 158: ...7 2 Quick diagnosis FRA5087 7 8 Blank...

Страница 159: ...test 8 4 8 5 1 Test equipment 8 4 8 5 2 Pretest preparations 8 4 8 5 3 Oscillator output frequency accuracy 8 5 8 5 4 Oscillator output amplitude accuracy 8 6 8 5 5 Oscillator distortion 8 7 8 5 6 Os...

Страница 160: ...instrument or if performance test results do not meet the specifications contact NF Corporation for repair In doing so inform NF Corporation of the outcome of your diagnosis and or of the performance...

Страница 161: ...for the instrument storage The instrument could be corroded or damages could be induced due to such environment b Re packaging for transportation Observe the following when you re pack the instrument...

Страница 162: ...all be possible AC voltage Accuracy 0 5 for 100 mV 10 V and 100 kHz 200 kHz Accuracy 1 for 100 mV 10 V and 200 kHz 1 MHz Accuracy 5 for 100 mV 10 V and 1 MHz 15 MHz Distortion meter 0 1 or better for...

Страница 163: ...nusoidal wave Gate time 10 sec Output voltage AC 1 Vpeak DC bias 0 V b Connection FRA5087 Frequency counter BNC BNC Coaxial cable OSC CH1 CH2 c Procedure Set the oscillator output frequency at the fol...

Страница 164: ...C CH1 CH2 c Procedure Set the oscillator frequency as follows and read the multi meter indications Use a wideband multi meter for frequencies above 100 kHz Oscillator frequency 1 kHz 100 kHz 1 MHz 10...

Страница 165: ...uring mode Output voltage AC 10 Vpeak DC bias 0 V b Connection FRA5087 Distortion meter BNC BNC Coaxial cable OSC CH1 CH2 c Procedure Set the oscillator frequency as follows and read the distortion me...

Страница 166: ...nusoidal wave Measuring mode DC voltage Output voltage AC 0 Vpeak b Connection FRA5087 Multi meter BNC BNC Coaxial cable OSC CH1 CH2 c Procedure Set the oscillator DC bias as follows and read the mult...

Страница 167: ...l cable BNC T type divider BNC alligator clip coaxial cable BNC shorting plug OSC CH1 CH2 FRA5087 OSC CH1 CH2 CH1 IMRR measurement CH2 IMRR measurement c Procedure Set the analyzer mode as follows Con...

Страница 168: ...BNC BNC coaxial cable BNC shorting plug OSC CH1 CH2 FRA5087 OSC CH1 CH2 CH1 dynamic range measurement CH2 dynamic range measurement c Procedure Set the analyzer mode as follows and sweep with the FRA...

Страница 169: ...splay mode X axis logF AC 10 mVpeak Y1 axis dBR DC bias 0 V X2 axis b Connection FRA5087 BNC BNC coaxial cables BNC T type divider OSC CH1 CH2 c Procedure Use FRA5087 for sweep measurement Read the ab...

Страница 170: ...8 5 Performance test FRA5087 8 12 Blank...

Страница 171: ...process 9 7 9 4 Analysis process 9 10 9 5 Calculations 9 10 9 6 Auto sequence 9 10 9 7 Display 9 11 9 8 Memory 9 12 9 9 External memory 9 12 9 10 Peripheral input output functions 9 13 9 11 Impedance...

Страница 172: ...bove assumes a calibration was performed shortly prior and that the setting is between 100 mV to 10 Vpeak Distortion sine wave No more than 0 2 when 100 kHz or below BW 500 kHz and 10 Vpeak output DC...

Страница 173: ...10 MHz Note 3 steps sweep minimum 200 000 steps sweep maximum Isolation Withstand voltage 250 Vrms continuous between signal ground enclosure 250 Vrms continuous between signal ground analysis sectio...

Страница 174: ...ed When a cable other than the accessory cable is used 30 Vrms AC or 60 V DC alternatively 42 Vpeak AC DC Maximum measurement 250 Vrms voltage This value applies when the accessory BNC cable is being...

Страница 175: ...the accompanying cable is being used OSC CH1 CH2 2 30 Vrms AC or 60V DC alternatively 42 Vpeak AC DC 30Vrms 30Vrms 30Vrms 30Vrms 30Vrms 2 Measurement category I Measurement category I Fig 9 2 From enc...

Страница 176: ...and analysis section inputs CH1 and CH2 when a cable other than the accompanying cable is being used OSC CH1 CH2 30Vrms 30Vrms 30Vrms 30Vrms 30Vrms 30Vrms 30Vrms 30Vrms 30Vrms 30Vrms 30Vrms 30Vrms Fig...

Страница 177: ...ge 0 to 9 999 seconds Setting resolution 10ms Cycle setting Setting range 0 to 9 999 cycles Setting resolution 1 cycle Integration feature A data integration feature for measuring while eliminating no...

Страница 178: ...Error tolerance setting Setting range 0 to 100 Setting resolution 1 Correction cycle Setting range 1 to 9 999 Setting resolution 1 Correction ratio Setting range 0 to 100 Setting resolution 1 Frequenc...

Страница 179: ...ted change rate happens the measurement is taken by higher density to cause the change rate between measurement points to be no more than the designated change rate Equalizing feature A feature that m...

Страница 180: ...ase 0 3 0 5 2 5 9 5 Calculations Four arithmetic operations Four arithmetic operations between data and data data and numeric numeric and numeric Derivation and integration Data derivation second orde...

Страница 181: ...play Normal marker Displays a normal marker on the graph and the data relevant to the position specified by the normal marker are displayed on the LCD numerically Delta marker Displays a normal marker...

Страница 182: ...flash drive Behavior of non attached USB flash drive is not guaranteed Connector Front panel USB A connector File format FAT compatible with Windows 98SE or later running on PC AT compatible machine M...

Страница 183: ...l USB B connector Device class TMC Thermal printer A hardcopy of the LCD screen displaying the measurement data can be outputted from the built in thermal printer Paper width 112 mm Suitable paper TP...

Страница 184: ...rent Current shunt input conversion coefficient 0 to 1 0E 6 resolution 5 digits or 0 01E 9 phase reverse feature Open short correction feature Open correction Short correction Correction formula OFF O...

Страница 185: ...r discharge type Installation posture Parallel to the ground within 10 degrees Environmental conditions Altitude 2000 m or less Ambient temperature range and ambient humidity range Performance guarant...

Страница 186: ...ge AC 1500 V between power inputs altogether and the enclosure External dimensions 434 W x 177 H x 453 D mm without protrusions Weight Approximately 12 kg weight of the main unit excluding other matte...

Страница 187: ...9 17 sampling clock Built in thermal printer KEY BD SW PS LCD DCPS BD 24V 5V CH1 8V 24V OSC CH1 CH2 AUX CH2 8V OSC 15V GPIB 24V PREAMP BD A D OSC BD Local OSC PREAMP BD A D AD CPU BD CPU BD USB USB L...

Страница 188: ...5087 9 18 When replacing printer roll paper Surface treatment Front panel Plastic sheet Ultra light gray Munsell 6 OP89 2 0 1 Rear panel Munsell 8 5PB2 6 0 2 Cover Light gray Munsell 6 OP87 6 1 2 Rear...

Страница 189: ...aid by NF side This warranty shall not apply to any defect failure or damage caused by a improper use b improper or inadequate maintenance and care or c modification by purchaser or personnel other th...

Страница 190: ......

Страница 191: ...e Information provided in this manual is intended to be accurate and reliable However we assume no responsibility for any damage regarding the contents of this manual We assume no responsibility for i...

Страница 192: ......

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Страница 194: ...http www nfcorp co jp NF Corporation 6 3 20 Tsunashima higashi Kohoku ku Yokohama 223 8508 JAPAN...

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