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Microtest 6632 Series User Manual

Precision impedance analyzer
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User Manual
6632
Precision Impedance Analyzer
1.321
Version
19.1101
Firmware Ver
2020/01/09
Date

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Summary of Contents for Microtest 6632 Series

  • Page 1 User Manual 6632 Precision Impedance Analyzer 1.321 Version 19.1101 Firmware Ver 2020/01/09 Date...
  • Page 2 All brands and trademark are the properties of Microtest Co., Ltd. Microtest Co., Ltd. and its affiliates shall not be liable for the damage, losses or costs incurred due to the accidental use, misuse or abuse by the product buyer or the third party;...

  • Page 3: Table Of Contents

    INDEX Safety Specification ....................... 2 Preface ............................4 Introduction ........................4 Key Feature ........................4 Specification ........................5 Description of Installation ....................7 Package & Equipment ....................7 Description of function keys on front panel ............8 Description of function keys on back panel ............9 Hardware Installation ....................
  • Page 4 4.12 TRIGGER MODE ......................22 4.13 LEVEL/RO/ALC ......................22 4.13.1 RO (Output Impedance) ..................22 4.13.2 ALC (Auto Level Control) ..................23 4.14 SET ε ..........................24 4.15 Dielectric Coefficient Measurement Method ............24 4.16 SET μ ..........................25 4.17 Magnetic Permeability Coefficient Measurement Method ........25 4.18 COMP (Comparison) ....................
  • Page 5 5.2.11 PRESET ........................36 CORR.(LIST CORRECTION)..................36 SWEEP ............................. 37 SWEEP MODE SETUP ....................37 SWEEP DELAY ....................... 38 6.1.1 OUTPUT IMPEDANCE ..................38 6.1.2 KEEP PREVIOUS TRACE ..................39 6.1.3 TRACE A/B COLOR ....................39 6.1.4 PRESET ........................39 6.1.5 CURSOR ........................
  • Page 6 SYSTEM CNOFIG ........................53 LANGUAGE ........................53 GPIB ADDRESS ......................53 RS232 BAUD RATE....................... 53 RS232 EOI ........................53 LAN PORT ........................54 HANDLERINTERFACE ....................55 KEY BEEP ........................55 Appendix ............................56 |Z| Accuracy Chart ........................56 Measurement accuracy ......................57 Concept of Command .........................

  • Page 7: Safety Specification

    1. Safety Specification This instrument is designed according to EN61010-1 Specification. The main purpose of this Specification is to ensure that the instrument will be used in the laboratory or the factory safely; it is not suitable for outdoor applications, especially the moistened or dusty locations.
  • Page 8 1.5 Warm-up The instrument will operate normally upon starting the power. To achieve the specified accuracy, it is suggested warming up the instrument for over 15 minutes 1.6 External control unit This unit is able to execute the external control. For this purpose, please ensure that the operator is not touching the signal output end and the Test Piece to avoid causing hazard.

  • Page 9: Preface

    Impedance Analyzer have become indispensable tools for the professional measuring technicians. In addition to providing full-range solutions for the testing equipment over the past years, Microtest also developed the new model of “6632 Precision Impedance Analyzer” that has contributed to more perfect precision solutions for the test.

  • Page 10: Specification

     Ultra-light design: 344x145x343mm, 3kg  Ultra-low power consumption (<30W) without fans and zero noise 2.3 Specification 6632 Precision Impedance Analyzer 儀 Models Frequency range Meter mode List mode Sweep mode Equivalent circuit analysis √ √ √ √ 6632-30S 10Hz~ 30MHz √...
  • Page 11 10mV~2Vrms Range Resolution Voltage Signal Level Accuracy 4-Terminal test fixture ± [(10 + 0.05 × f )% + 1 mV] Cable length > 0m ± [(15 + 0.1 × f )% + 1 mV] *f : frequency [MHz] 200µA~ 20mArms Range 10µA Resolution...

  • Page 12: Description Of Installation

    3. Description of Installation Thank you for using Microtest 6632 Precision Impedance Analyzer as your testing instrument. This Manual contains the detailed installation steps. To ensure personnel safety and to protect your equipment and data, please check if the following accessories are fully supplied before starting the installation.

  • Page 13: Description Of Function Keys On Front Panel

    3.2 Description of function keys on front panel *Rear view (millimeters) Push Key and Port Function 1. Enter Enter key 2. Exit Exit key 3. Number key Input value 4. Menu For selecting Meter, Multi-step, Trace, Trim and System modes, etc. 5.

  • Page 14: Description Of Function Keys On Back Panel

    3.3 Description of function keys on back panel *Rear view (millimeters) PORT FUNCTION Pass/Fail signal (see3.4.3 Hander Interface) 1. Handler For connecting to software port(see3.4.2 RS232 2. RS232 Connecting) Remote control port: 24-pin block (see3.4.1 GPIB 3. GPIB Connecting) For expanding Bias Input/Output port 4.

  • Page 15: Hardware Installation

    3.4 Hardware Installation 3.4.1 GPIB Connecting The computer and the measuring instrument are connected with GPIB (General-Purpose Interface Bus) cable, and the Test Piece will be tested or trimmed on the computer through GPIB.  Definition of GPIB Pin Definition Definition Dataline1 Dataline5...

  • Page 16: Rs232 Connecting

    3.4.2 RS232 Connecting The computer and the measuring instrument are connected through RS232, and the Test Piece will be tested or trimmed on the computer through RS232.  Definition of RS232Pin Definition Definition Non-connection Non-connection RXD (receiving data) Non-connection TXD (transmitting data) Non-connection Non-connection Non-connection...

  • Page 17: Handler Interface

    3.4.3 Handler Interface You may control the test function of your machine with an external signal through the Handler Interface and Handler I/O port in its back panel. Please set the Handler Interface ON in SYSTEM menu to enable remote control and set the dip switch to on (both switches are pull down).
  • Page 18  Handler I/O timing diagram： 1. PIN1(trigger) + PIN5(gnd) Start testing after short circuit, NOTE: the shorting time must be greater than 100uS. 2. The other output pins are photo coupler circuit, output signal is low level.The output is as a high resistance floating circuit when it without action.

  • Page 19: Fixture Connecting

    3.4.4 Fixture Connecting When connecting the fixture, it is required to discharge the power of Test Piece thoroughly. Turn the latches on both sides of the fixture to left until aligning with the small protruding point on the BNC port. Push the fixture down to the end and then rotate the latch rightward for fixing the fixture.

  • Page 20: Lan Port

    3.4.5 LAN Port The instrument will be connected to the LAN (Local Area Network) ports. Can be selected as Auto or Manual Manual requires entering of network settings and IP configuration MAC ADDRESS: Sets the MAC address LAN STATUS: Displays the current network connection status PORT: Fixed as 111 CURRENT IP ADDRESS: The IP address of the instrument.

  • Page 21: Power Cord Connecting

    3.4.6 Power Cord Connecting Connect the power cord to the power jack of the instrument. Turn on the Power Switch, and the instrument is ready for use. Before servicing the instrument, be sure to remove the power cord from the instrument. In addition, do not remove the plug when the hand is moistened as it may cause electrocution Warning：...

  • Page 22: Basic Measuring

    4. Basic Measuring 4.1 Meter Mode Press “Menu” key and then select “Meter” Mode for accessing the Meter Mode page. Measuring Value Display Vm/Im Statistics Output Impedance100/25Ω Auto Level Control Average Open/Short Calibration 4.2 FREQ(Frequency) The frequency range is 10Hz~30MHz, and the resolution is set at 6 digits. Press Input Digit key and then<Enter>...

  • Page 23: Bias

    4.6 BIAS In setting the dc bias voltage, voltage range is ±12VDC, choose↑↑,↑,↓,↓↓, Adjust it or click the number key (when input is above the instrument voltage range will be displayed outside range) 4.7 RANGE DC Select<Range>with<Direction>key. It is preset as<Auto>. The measuring range belongs to internal parameter, which will be based to search the bay according to the measuring items.

  • Page 24: Parameters

    4.10 Parameters Press <Menu> key to select <Meter> mode and then move the cursor to the left side for setting the parameters to be measured. Parameters Definition DC Resistance Equivalent Series Inductance Equivalent Parallel Inductance Equivalent Series Capacitance Equivalent Parallel Capacitance Quality Factor, (Q = 1/D) , Loss coefficient (tanδ) Dissipation Factor...

  • Page 25: Measurer Mode Setup

    4.11 MEASURER MODE SETUP Press the Setup button on the instrument panel to enter the <MEASURE MODE SETUP> screen and perform measurement settings. 4.11.1 TRIGGER DELAY Set the trigger delay time, and such function is normally used by the automated equipment. The trigger delay time is set as 0-5000mS.

  • Page 26: Beep When

    4.11.5 BEEP WHEN It is preset as <OFF>. The <FAIL> option means that the fail beep will sound if the test result is judged as <FAIL>. The <PASS> option means that the pass beep will sound if the test result is judged as <PASS>. 4.11.6 STATISTICS The default value is <Off>...

  • Page 27: Trigger Mode

    4.12 TRIGGER MODE Under the Meter Mode page, select <TRIG> with<Direction>key.It is preset as <REPEAT>, and the instrument will execute the measuring continuously. If selecting <SINGLE> option, then it must be activated by pressing <Trigger> key. The measuring will be repeated with each pressing of <Trigger> key. 4.13 LEVEL/RO/ALC Under the Meter Mode page, select <LEVEL>...

  • Page 28: Alc (Auto Level Control)

    4.13.2 ALC (Auto Level Control) Display ALC ON Display ALC Fail It is preset as <ALC OFF>. If selecting <ALC ON>, it ensures that the voltage applied to both ends of Test Piece or the current flowing through the Test Piece will be consistent with the parameter set value. If selecting <ALC ON>, because the instrument needs to calculate the voltage and the current for adjusting the output, it will increase the time required for the measuring.

  • Page 29: Set Ε

    ε 4.14 SET Selected <SETUP> function key then selected <SET εr> function key to access the <DIELECTRIC CONSTANT SETUP> page for setting up ε 4.15 Dielectric Coefficient Measurement Method The <Contact> or <Non-contact> can be selected according to the tested material. If selecting the <Contact>...

  • Page 30: Set Μ

    μ 4.16 SET Selected <SETUP> function key then selected <SET μr> function key to access the <PERMEABILITY SETUP> page. 4.17 Magnetic Permeability Coefficient Measurement Method For setting up the <HEIGHT>, <INNER DIAMETER> and <OUTER DIAMETER> of the tested material and <fixture correction coefficient>. Fixture correction coefficient: This is the compensation parameter used for fixture Fx-0000C8.

  • Page 31: Comp (Comparison)

    4.18 COMP (Comparison) Under the Meter Mode page, select <COMP> with <Direction> key to access the comparison setup page. It is preset as “No”. When selecting “Yes”, the high/low limit range must be set for using as the measuring setup of the production line or the automated process.

  • Page 32: Comp (Comparator) Mode & Disp (Display) Mode

    4.18.2 COMP (Comparator) MODE & DISP (Display) Mode  Set absolute values for the upper limit and lower limit values of the measurement parameters. The measurement values displayed are the same of the measurement parameters.  △Abs Enter reference values and then set absolute values corresponding to the reference values as the upper limit and lower limit values.

  • Page 33: Upper

    4.18.3 UPPER Thenominal value is used for executing the addition of Hi Limit. 4.18.4 LOWER The nominal value is used for executing the subtraction of Lo Limit. If selecting “△Abs” or “△%”, then the user needs to key in the negative mark before inputting the digits for the negative tolerance.

  • Page 34: Bin Method

    4.19.2 BIN METHOD Equal:Set the upper and lower limit values for parameter, the Equal mode averages each the comparison values automatically. The Limit mode can select <ABS>, <△Abs> and <△%>. Sequential:The Sequential mode specifies comparison limits as the absolute measurement value. The Limit mode can select <ABS>, <△ Abs>...
  • Page 35 Random: Set the upper and lower limit values for each bin. The Limit mode can select <ABS>, <△Abs> and <△%>. 6632 uses three methods for specifying parameter limits as follows:...

  • Page 36: File

    4.20 FILE The parameter can be saved in the flash Memory of the instrument. The Meter Mode allows the user to access 100 setup groups, and the Multi-step List Test Mode allows the user to access 50 setup groups (with each group containing 15 measuring steps).

  • Page 37: Usb File

    4.20.5 USB FILE Insert the USB flash drive into the USB port on the front panel of the instrument, Select<USB FILE> function key to access the USB IA6632 folder. 4.20.6 COPY>USB Insert the USB flash drive into the USB port on the front panel of the instrument, Select<COPY>USB>...

  • Page 38: List Test

    5. LIST TEST Press <Menu> key and select <LIST SET> for executing the multi-step setup. The measurement frequency or measurement signal level differs for each panel allows you to simply evaluate the characteristics of the DUT. Such function can be used in the production line or the automation test and, at most, 15 testing steps can be set.

  • Page 39: List Mode Setup

    5.2 LIST MODE SETUP Under the <LIST SET> or <LIST RUN> page, selected <SETUP> function key and you can access the <LIST MODE SETUP> page for executing the measuring setup. 5.2.1 TRIGGER MODE It <REPEAT><SINGLE><AUTO> three different types of trigger can be set.

  • Page 40: Output Impedance

    When the value is greater than the determination point, it means that the DUT has been connected; when the value is less than the determination point, it means that the DUT has been disconnected. 5.2.4 OUTPUT IMPEDANCE The<100Ω>or<25Ω> can be selected according to the user’s demand. The varied signal source output impedance will lead to the varied current or the difference of measuringvalue.

  • Page 41: Statistics

    5.2.9 STATISTICS Whether to enable the result statistics function located at the bottom- right corner; <Clear> will reset all PASS and FAIL statistics and continuing keeping statistics all over again. 5.2.10 TERMINATED AT NG STEP When TERMINATED AT NG STEP is set as <ON>, the test will be terminated when any NG is detected during testing.

  • Page 42: Sweep

    6. SWEEP Press<Menu> key and select <Sweep> Mode for entering the Sweep Mode page. The Sweep Mode displays the component characteristics by visual method and the user can select voltage, current and frequency sweeping for using as the horizontal coordinates. If the sweeping result exceeds the vertical range, then the instrument will adjust the scale automatically;...

  • Page 43: Sweep Delay

    6.1.1 SWEEP DELAY The delay time between each sweeping point can be set according to the user’s need. When set at Sweep Delay Mode, it will affect the entire measuring time. The trigger delay time is set as 0-5000mS. If NOTE: exceeding the high limit value, it will be adjusted back to 5000mS by the system automatically.

  • Page 44: Keep Previous Trace

    6.1.3 KEEP PREVIOUS TRACE When <KEEP PREVIOUS TRACE> is selected <ON>, the graph drawn for the last sweeping remains and is overwritten with a brighter graph for the most recent measurement results. When<KEEP PREVIOUS TRACE> is selected <OFF>, the graph drawn for the last measurement is deleted and a graph for the most recent sweeping results is drawn.

  • Page 45: Cursor

    6.1.6 CURSOR The <CURSOR> function can easily find the maximum value, minimum value, and self-resonant frequency parallel/serial, then the searching result will be displayed at the lower-middle of LCD panel. <TrA MAX: traceA's maximum value>, <TrA MIN: traceA's minimum value>, <TrB MAX: traceB's maximum value>, <TrB MIN: traceB's minimum value>, <SRF fs: self-resonant frequency serial>, <SRF fp: self-resonant frequency parallel>...

  • Page 46: X-Axis

    6.1.9 X-AXIS The <X-AXIS> can be set as <LINEAR> or <LOG>. The Linear Mode is divided into 250 equal portions with starting and ending values, and the Log Mode changes along with the set value. 6.1.10 START/STOP <START>Use the numeric keypad to set the starting value of the sweep. <STOP>Use the numeric keypad to set the ending value of the sweep.

  • Page 47: Speed

    6.1.13 SPEED The sweep speed is available in “Fast”, “Medium” and “Slow” for option. 6.1.14 FUNC It can select default common parameter sets. 6.1.15 TRACE A/B PARA It sets the parameters to be analyzed...

  • Page 48: Trace A/B Y-Axis

    6.1.16 TRACE A/B Y-AXIS The Y-AXIS can be set as “Linear” or “Log.” 6.1.17 TRACE A/B REF When <Y-AXIS> is selected <LINEAR> type, it can change values of the reference line by using numeric keypad. 6.1.18 TRACE A/B POS Moving traceA/B up or down by using <move↑> and < move↓>.

  • Page 49: Trace A/B Div/Decade

    6.1.19 TRACE A/B DIV/DECADE Adjusting traceA/B's amplitude size by using <ZOOM-> and <ZOOM+>. When <LINEAR> type is selected at Y-AXIS, <DIV> is set. When <LOG> type is selected at Y-AXIS, <DECADE> is set.

  • Page 50: Equivalent Circuit Analysis (Option)

    6.2 Equivalent Circuit Analysis (option) equivalent circuit analysis function estimates equivalent circuit constantsbased on measurement results. The 6632 can estimate 3-element model and 4-element model. By using the simulation function, you can display frequency characteristic ideal values using estimation results or user-configured constants.
  • Page 51 Inductor: Inductor with comparatively high ESR Resistor: Resistor with low resistance value and significant wiring inductance effect Capacitor: Capacitor with significant leak resistance effect Resistor: Resistor with high resistance value and significant stray capacitance effect Capacitor:Typicalcapaci Piezoelectric element Resonator Inductor with high ESR Capacitor with high ESR *Typical frequency characteristics graphs For models A, B, C, D, F and G, the horizontal axis is logarithmic, the vertical...

  • Page 52: Correction

    7. CORRECTION Press the <Menu> key and select <CORR.> function key for accessing the CORRECTION page. Before each measuring, the user needs to calibrate (balance) the fixture or the test cable in order to eliminate the stray capacitance and the series impedance that may be produced by the fixture or the test cable.

  • Page 53: Open Circuit Correction

    7.1 Open Circuit Correction In CORRECTION page, use <OFF><ON> function key to open the open circuit correction, and use <Open> function key to do the open circuit correction. Before starting the open circuit correction, do not load the Test Piece to avoid correction failure.

  • Page 54: Short Circuit Correction

    7.2 Short Circuit Correction In CORRECTION page, <OFF><ON> function key to open the short circuit correction, and use <Short> function key to do the short circuit correction. Before starting the short circuit correction, please insert the shorting plate into the fixture for executing the short circuit correction. If the correction fails or the figure is incorrect, the page will display the calibration failure message;...

  • Page 55: Hf Load

    7.3 HF LOAD When the measured frequency exceeded 1MHZ, execution of high frequency load correction is recommended. Connect the FX-000C19 fixture to the instrument, place the STD-LOAD high frequency correction disk and clamp it tightly in place, and then press high frequency correction. 7.4 SPOT LOAD The fixed frequency point, frequency, load correction parameter and standard reference value can only be set when fixed frequency load correction is set as <ON>.

  • Page 56: Fixture Compensation

    7.6 FIXTURE COMPENSATION Choose the fixture model. There are <F42001>,<FX-000C20>, <FX-000C19>, <FX- 000C12>,<FX-000C10>,<FX-000C8>, <FX-000C7>, and <FX-000C6>. 7.7 Spot. No. Set the fixed frequency point; the range is from 1~16. 7.8 FREQUENNCY Choose the frequency value...

  • Page 57: Load Function

    7.9 LOAD FUNCTION Click the <↑><↓> swap the primary and secondary parameters. (EX:<G-B>、<R-X>、<CP-RP>、<CP-D>、<CS-RS>、<CS-D>、<LP-RP>、<LP- Q>、<LS-RS>、<LS-Q>、<Y-Deg>、<Z-Deg>。 7.10 Reference Insert the known values with measurements as reference values 7.11 Load It is the value that is measured in the beginning to correct the result value.

  • Page 58: System Cnofig

    8. SYSTEM CNOFIG Press <Menu> key and then select <SYSTEM> mode for accessing the SYSTEM CONFIG page. The 6632 Precision Impedance Analyzer supports 3 language interfaces, <English>, <Traditional Chinese> and <Simplified Chinese>. The language can be preset with the function key. NOTE: The “Specific Term”...

  • Page 59: Lan Port

    8.5 LAN PORT Selecting <LAN PORT> from the system setting screen also allows selecting of ON or OFF. The LAN setting may be set as manual or automatic, allowing users to control the instrument using LAN functions.

  • Page 60: Handlerinterface

    8.6 HANDLERINTERFACE Under SYSTEM CONFIG page, select <HANDLER INTERFACE>, use <ON><OFF> function key and open the remote I/O control program for the user to monitor the signal input and PASS/FAIL output result by controlling the instrument remotely. 8.7 KEY BEEP Under SYSTEM CONFIG page, select <KEY BEEP>...

  • Page 61: Appendix

    Appendix |Z| Accuracy Chart...

  • Page 62: Measurement Accuracy

    Measurement accuracy Conditions of accuracy All specifications apply at 23 ± 5 °C, and 60 minutes after the instrument has been turned on. Impedance measurement accuracy at 4-terminal test fixture (Typical at > 10 MHz) ± Ae [%], Where Relative accuracy Ae = ( Ab + Az + Av + Ad ) × Kc × Kt |Z|, |Y| accuracy θ...
  • Page 63 Measurement Time / Averaging Measurement Speed 1.Max: 2.5ms (>10kHz) 2.Fast: 50ms (>20Hz) 3.Medium: 100ms 4.Slow: 300ms 5.Slow2: 600ms Display Time 1.6 ~ 5.6ms (depend on the contents) Averaging Range 1 to 64...

  • Page 64: Concept Of Command

    Concept of Command  Subsystem Command Tree The top of the subsystem command tree is called the root command, or simply the root. To reach the low-level commands, you must specify a particular path. After Power ON or after *RST, the current path is set to the root. The path settings are change as follows: Colon (:) When a colon is placed between two command mnemonics, the...

  • Page 65: Data Format

     Data Format ○ ○ ○ ○ :MEASure:PARAmeter<NR1> LF 1. Command 2. Space 3. Parameter 4.Program Message Terminator Parameter: There must be a <space> between the last command and the first parameter in a subsystem command. For example: :MEASure:PARAmeter Z If you send more than one parameter with a single command, each parameter must be separated by a comma.

  • Page 66: Common Commands

     Commands Common <Command> :STATus:OPERation:CONDition? Function：It queries the status of Operation Status Register. Description： Return data 0~65535 (Format is in <NR1>) <Command> :STATus:OPERation:EVENt? Function：It queries the status of Operation Event Register. Description： Return data 0~65535 (Format is in <NR1>)
  • Page 67 <Command> :STATus:OPERation:ENABle <NR1> :STATus:OPERation:ENABle? Function：It sets or queries the status of Operation Enable Register. Description： Set parameter 0~65535 <NR1> Set syntax :STATus:OPERation:ENABle 65535 Query syntax :STATus:OPERation:ENABle? Return data 65535 (Format is in <NR3>) <Command> :STATus:QUEStionable:CONDition? Function：It queries the status of Questionable Condition Register. Description：...
  • Page 68 <Command> *IDN? Function：It queries the device basic data. Description： Return data MICROTEST,6632-30G,0,1.194<field1>,<field2>,<field3>,<field4> <field1>manufacturer <field2>model number <field3>serial number or 0 <field4>firmware revision MICROTEST,6632-30G,0,1.194 <Command> *OPC Function：It sets Standard Event Status Register to 0 bit,when all operations are completed. <Command> *OPC? Function：When all operations are completed, 1 will be returned.
  • Page 69 <Command> *WAI Function：It makes 6632 wait until all previously sent commands are completed. The 6632 then continues executing the commands that follow the *WAI. <Command> *TST Function：The response to this query is always 0. <Command> *TRG *TRG? :TRIGger :TRIGger? Function：It executes Trigger action. If using *TRG? and :TRIGger, it executes Trigger action and returms test data.

  • Page 70: Measure Subsystem

     MEASure Subsystem <Command> :MEASure:PARAmeter {OFF|RDC|LS|LP|CS|CP|Q|D|RS|RP|Z|DEG|RAD|R|X|Y|G|B|E|U} :MEASure:PARAmeter? Function：It sets or queries the measurement parameter (max.4 items) at present. Description： Set parameter OFF, RDC(DC Resistance), Ls(Series Inductance), Lp(Parallel Inductance), Cs (Series Capacitance), Cp (Parallel Capacitance), Q (Quality Factor), D (Dissipation Z(Impedance), θd(Angle), Factor), Rs (Series Resistance) Rp(Parallel Resistance), θr(Diameter), R(Resistance),...
  • Page 71 <Command> :MEASure:VOLTage:AC <voltage NR3/disc> :MEASure:VOLTage:AC? Function：It sets or queries the AC measurement voltage (LEVEL). Description： Set parameterWhen RO(output impedance) is setting 100 Ω , the setup value of AC voltage is {0.01~2| MAXimum|MINimum}.When RO(output impedance) is setting 25Ω, the setup value of AC voltage is {0.01~1|MAXimum|MINimum}.
  • Page 72 <Command> :MEASure:CURRent:DC <current NR3/disc> :MEASure:CURRent:DC? Function：It sets or queries the DC measurement current (LEVEL). Description： Set parameterThe value of DC currentis {0.0002~0.04| MAXimum|MINimum}. Set syntax :MEASure:CURRent:DC 0.01 :MEASure:CURRent:DC 10M :MEASure:CURRent:DC 10MA :MEASure:CURRent:DC 1E-2 :MEASure:CURRent:DC MAXimum :MEASure:CURRent:DC MINimum Query syntax :MEASure:CURRent:DC? Return data 1.000000E-02 (Format is in <NR3>) When the Level setup is voltage mode, the data returns 9.9E37.
  • Page 73 <Command> :MEASure:FONT {SMALl|LARGe} :MEASure:FONT? Function：It sets or queries the FONT SIZE. Description： Set parameter SMALl (small), LARGe (large) Set syntax :MEASure:FONT LARGe Query syntax :MEASure:FONT? Return dataLARG (Format is in <disc>) <Command> :MEASure:TRIGger:DELay <delay time NR3/disc> :MEASure:TRIGger:DELay? Function：It sets or queries the TRIGGER DELAY. Description：...
  • Page 74 <Command> :MEASure:RANGe:DC {1|2|3|4|AUTO|HOLD} :MEASure:RANGe:DC? Function：It sets or queries the DC RANGE. Description： Set parameter{1|2|3|4|AUTO|HOLD} Set syntax :MEASure:RANGe:DC 2 :MEASure:RANGe:DC AUTO Query syntax :MEASure:RANGe:DC Return Data 2 (Format is in <NR1>) <Command> :MEASure:RANGe:AC {1|2|3|4|AUTO|HOLD} Function：It sets or queries the AC RANGE. Description：...
  • Page 75 <Command> :MEASure:COMParator:NOMinal <nominal value NR3> :MEASure:COMParator:NOMinal? Function：It sets or queries the NOMINAL. Description： Set syntax :MEASure:COMParator:NOMinal 1000 :MEASure:COMParator:NOMinal 1K :MEASure:COMParator:NOMinal 1E+03 Query syntax :MEASure:COMParator:NOMinal? Return data 1.000000E+03 (Format is in <NR3>) <Command> :MEASure:COMParator:UPPER <upper limit NR3> :MEASure:COMParator:UPPER? Function：It sets or queries the UPPER. Description：...
  • Page 76 Function：It sets or queries the BIN LIMIT. Description： Set syntax :MEASure:BIN:LIMit 0.001,100M,1k,1000k Query syntax :MEASure:BIN:LIMit? Return data +1.000000E-03, +1.000000E-01, +1.000000E+03, +1.000000E+06 (Format is in <NR3>) <Command> :MEASure:FILE:LOAD <filename> Function：It opens the meter mode's file. Description： Set syntax :MEASure:FILE:LOAD MICROTEST.(open the MICROTEST meter mode’s file)
  • Page 77 <Command> :MEASure:FILE:LOAD? Function：It queries the meter mode's filename which is being using. Description： Query syntax: MEASure:FILE:LOAD? Return dataMICROTEST <Command> :FETCh? Function：It fetches the measurement data currently test mode. <Command> :CORRection:OPEN :CORRection:OPEN? Function：It sets or queries to do open correction. Description： Query syntax :CORRection:OPEN? Return data When correction fail, it returns 0.

  • Page 78: List Subsystem

     LIST Subsystem <Command> :LIST:STEP{1|2|3|4|…|14|15} :LIST:STEP? Function：It sets or queries the step of list mode. Description： Set parameter step number1~15 Set syntax :LIST:STEP 1 Query syntax :LIST:STEP? Return data1(Format is in <NR1>) <Command> :LIST:PARAmeter {OFF|RDC|LS|LP|CS|CP|Q|D|RS|RP|Z|DEG|RAD|R|X|Y|G|B} :LIST:PARAmeter? Function：It sets or queries the measurement parameter of list mode. Description：...
  • Page 79 <Command> :LIST:CURRent <current NR3/disc > :LIST:CURRent? Function：It sets or queries the measurement current of list mode. Description： Set parameterWhen RO(output impedance) is setting 100Ω, the setup range of AC current is {0.0002~0.02|MAXimum|MINimum}. When RO(output impedance) is setting 25Ω, the setup range of AC current is {0.0002~0.04|MAXimum|MINimum}. The range of DC current is {0.0002~0.04|MAXimum|MINimum}.
  • Page 80 <Command> :LIST:COMParator:NOMinal <nominal value NR3 > :LIST:COMParator:NOMinal? Function：It sets or queries the NOMINAL of list mode. Description： Set syntax :LIST:COMParator:NOMinal 1000 :LIST:COMParator:NOMinal 1K :LIST:COMParator:NOMinal 1E+03 Query syntax :LIST:COMParator:NOMinal? Return data 1.000000E+03 (Format is in <NR3>) <Command> :LIST:COMParator:UPPER <upper limit NR3> :LIST:COMParator:UPPER? Function：It sets or queries the UPPER of list mode.
  • Page 81 <Command> :LIST:BIN:METHod {EQUal|SEQuential|TOLerance|RANDom|0|1|2|3} :LIST:BIN:METHod? Function：It sets or queries the BIN METHOD of list mode. Description： Set parameterEQUal,0| SEQuential,1|TOLerance,2 |RANDom,3 Set syntax :LIST:BIN:METHod SEQ Query syntax :LIST:BIN:METHod? Return data SEQ (Format is in <disc>) <Command> :LIST:BIN:MODE <ABSolute|DEViation|PERCent|0|1|2> :LIST:BIN:MODE? Function：It sets or queries the BIN MODE of list mode. Description：...
  • Page 82 <Command> :LIST:TRIGger:DELay <delay time NR3/disc> :LIST:TRIGger:DELay? Function：It sets or queries the TRIGGER DELAY of list mode. Description： Set parameter The value of delay time is {0.0~5|MAXimum|MINimum}. Set syntax :LIST:TRIGger:DELay 0.5 :LIST:TRIGger:DELay 500M :LIST:TRIGger:DELay 500MS :LIST:TRIGger:DELay 5E-3 :LIST:TRIGger:DELay MAXimum :LIST:TRIGger:DELay MINimum Query syntax :LIST:TRIGger:DELay? Return data 0.500 (Format is in <NR2>) <Command>...
  • Page 83 <Command> :LIST:RETest {OFF|STEP|ALL|0|1|2} :LIST:RETest? Function：It sets or queries the FAIL RETEST of list mode. Description： Set parameterIt retests continuously until the test result is pass, when the test result is fail. If selecting <OFF>, it doesn’t execute this function. If selecting <STEP 1>, only the first step is going to retest.
  • Page 84 Query syntax:LCORrection:CABLe? Return data 0|0.5|1|2 <Command> :LIST:FILE:LOAD <filename> Function：It opens the list mode's file. Description： Set syntax:MEASure:FILE:LOAD MICROTEST.(open the MICROTEST list mode file) <Command> :LIST:FILE:LOAD? Function：It queries the list mode's filename which is being using. Description： Query syntax:MEASure:FILE:LOAD? Return data MICROTEST...

  • Page 85: Sweep Subsystem

     SWEep Subsystem <Command> :SWEep:TYPE {FREQuency|VAC|IAC} :SWEep:TYPE? Function：It sets or queries the TYPE. Description： Set parameter FREQuency | VAC(voltage) |IAC(current) Set syntax :SWEep:TYPE FREQuency Query syntax :LIST:RETest? Return data FREQ | VAC | IAC (Format is in <disc>) <Command> :SWEep:XAXis {LOGarithm|LINear} :SWEep:XAXis? Function：It sets or queries the XAXIS.
  • Page 86 <Command> :SWEep:STOP <stopNR3/disc> :SWEep:STOP? Function：It sets or queries the STOP. Description： Set parameterThe stop value of frequency is {10.0~30000000.0|MAXimum|MINimum}. The stop value of voltage AC RO 100Ω is {0.01~2|MAXimum|MINimum}. The stop value of voltage AC RO 25Ω is {0.01~1|MAXimum|MINimum}. The stop value of current AC RO 100Ω is { 0.0002~0.02 |MAXimum|MINimum}. The stop value of current AC RO 25Ω...
  • Page 87 <Command> :SWEep:CURRent<currentNR3/disc> :SWEep:CURRent? Function：It sets or queries the LEVEL to current mode, when the TYPE setup is FREQ. Description： Set parameterThe value of current AC RO 100Ω is { 0.0002~0.02 |MAXimum|MINimum}. The value of current AC RO 25Ω is { 0.0002~0.04 |MAXimum|MINimum}. Set syntax :SWEep:CURRent 1 :SWEep:CURRent 1M :SWEep:CURRent 1MA...
  • Page 88 <Command> :SWEep:FUNCtion {LS|LP|CS|CP|Q|D|RS|RP|Z|DEG|RAD|R|X|Y|G|B,OFF|LS|LP|CS|CP|Q|D|RS|RP|Z |DEG|RAD|R|X|Y|G|B } :SWEep:FUNCtion? Function：It sets or queries the FUNC. Description： Set parameter The comma is placed between the two parameters. The first parameter can not DC Resistance), E(Relative Permittivty) and U(Relative set to OFF. There is no RDC( permeability) in the sweep mode.
  • Page 89 <Command> :SWEep:TRACA:PARAmeter {LS|LP|CS|CP|Q|D|RS|RP|Z|DEG|RAD|R|X|Y|G|B|} :SWEep:TRACA:PARAmeter? Function：It sets or queries the PARA of TRACE A Description： Set parameterThe first parameter can’t set to OFF. There is no RDC(DC Resistance), E(Relative Permittivty) and U(Relative permeability) in the sweep mode. Set syntax :SWEep:TRACA:PARAmeter Z Query syntax :SWEep:TRACA:PARAmeter? Return data Z (Format is in <disc>) <Command>...
  • Page 90 Set syntax :SWEep:TRACA:DECade 5 Querysyntax :SWEep:TRACA:DECade? Return data 5 (Format is in <NR3>). <Command> :SWEep:TRACA:MAXimun? Function ： It queries the maximum of TRACE A and corresponding frequency | voltage | current. Description： Query syntax :SWEep:TRACA:MAXimun? Return data +2.230924E+06,+3.221517E-03 (Format is in <NR3>).The first data is the corresponding frequency | voltage | current.
  • Page 91 <Command> :SWEep:TRACB:POSition {-10 ~ 16|MAXimun|MINimum} :SWEep:TRACB:POSition? Function：It sets or queries the POS of TRACE B. Description： Set parameter {-10 ~ 16|MAXimun|MINimum} Set syntax :SWEep:TRACB:POSition -3 Query syntax :SWEep:TRACB:POSition? Return data -3 (Format is in <NR1>) <Command> :SWEep:TRACB:DIVision <value NR3/disc> :SWEep:TRACB:DIVision? Function：It sets or queries the DIV of TRACE B.
  • Page 92 <Command> :SWEep:RESult? Function：It queries all of the value data of TRACE A and TRACE B. Description： Query syntax :SWEep:RESult? Return data+2.218913E-04,+2.215632E-04,+2.216804E-04…(Format is in <NR3>). It uploads the TRACE A data at the beginning. It start uploading TRACE B data when finish uploading TRACE A data.

  • Page 93: Read The Measured Value

     Read the measured value Read the measured value Read Data format under Meter Mode <para 1 data>,<para 2 data>,<para 3 data>,<para 4 data>,<status>,<bin number>,<para 1 compare status>, <para compare status>,<para 3 compare status>,<para 4 compare status> para 1-4 data During value measuring, not all of four values will be displayed.

  • Page 94: Measurement Basics

    Measurement Basics To measure capacitance, inductance and resistance user can select series or parallel mode. C(Capacitance) : Series mode： Parallel mode： Parallel modeEquations： Series modeEquations： D = dissipation factor D = dissipation factor L(Inductance) : Series mode： Parallel mode： Series modeEquations： Parallel modeEquations：...

  • Page 95: Resistance (R) And Conductance (G)

     Resistance (R) and Conductance (G) The resistance is a measure of the difficulty to pass an electric current through that conductor. The SI unit of resistance is the “ohm” (Ω). The inverse quantity is electrical conductance, and this is the ease with which an electric current passes through a circuit.

  • Page 96: Capacitance (C)

     Capacitance (C) Capacitance (denoted by the letter C) is the ability of a body to store an electrical charge at a given potential difference between its plates. The SI unit of capacitance is the farad (symbol: F). Measure Type：Series mode→Cs / Parallel mode→Cp Relevant Equations：...

  • Page 97: Inductance (L)

     Inductance (L) Inductance is the property of an electrical conductor by which a change in current through it induces an electromotive force (EMF) in both the conductor itself and in any nearby conductors by mutual inductance. In the SI system, the measurement unit for inductance is the Henry (with the unit symbol H).

  • Page 98: Reactance (X) And Susceptance (B)

     Reactance (X) and Susceptance (B) In AC circuit analysis, reactance is represented by the capital letter “X” which is the imaginary a part of complex impedance. Reactance is the opposition of a circuit element to a change in the current or voltage, due to that element's inductance or capacitance which is similar to the opposition of resistance to current in a DC circuit.

  • Page 99: Impedance (Z) And Admittance (Y)

     Impedance (Z) and Admittance (Y) The impedance covers oppositions in AC circuits including resistance, inductance, and capacitance and is measured in units of Ohm (Ω). In electrical engineering, admittance covers both conductance and susceptance and is the reciprocal of impedance. It is measured in units of Siemens (S).

  • Page 100: Quality Factor (Q) And Dissipation Factor (D)

     Quality factor (Q) and Dissipation factor (D) The quality factor measures energies consumed by relative frequency. In general, the better a circuit's quality factor the better its selectivity. The dissipation factor is the reciprocal of quality factor. It is the signal angle loss by a capacitor (or inductor) and acting frequency at a fixed temperature.

  • Page 101: Phase Angle (Θ)

     Dissipation factor（D） Relevant Equations：                 Phase angle (θ) This is the shift angle when measuring impedance (Z), admittance (Y), quality factor (Q) and dissipation factor (D). Relevant equations：...

  • Page 102: Overall Impedance Measurement Theory

     Overall Impedance Measurement Theory The simplified model of the 6632 impedance measurement, Vs is the test signal voltage and RO is source resistance. If the current across the DUT is I when a test signal voltage V is applied, the DUT's impedance, Z, is expressed by Z = . Impedance, Z, contains real and imaginary parts.
  • Page 103 Impedance, Z, can also be expressed as admittance, Y. Admittance is expressed in terms of impedance, Z, by Y = . Y = ) For parallel connected circuits, it is better to use admittance, Y. G : Conductance B : Susceptance |Y|: Admittance...
  • Page 104 The 6632 measures a DUT's impedance, Z, which is a vector value, and gives the result using the following equivalent circuits. Lp : Parallel Inductance Cp : Parallel Capacitance Ls : Series Inductance Cs : Series Capacitance Q : Quality factor D : Dissipation factor...

  • Page 105: Characteristics Example

     Characteristics Example As can be seen in the following figure, a component can have different effective parameter values dependent upon its operating condition. The measured values most useful in actual applications are obtained from precise measurement under the actual operating conditions. Measurement Characteristics Example Functions...

  • Page 106: High And Low Impedance Criteria

    Measurement Characteristics Example Functions Cp-G Large R Y-∠θ Ls-Rs SmallR |Z|-∠θ  High and low impedance criteria The following criteria can be used to roughly discriminate between low, middle, and highimpedances by following figure. The medium Z range may be covered with an extension ofeither the low Z or high Z range.

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