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QuadTech 1730T Instruction Manual

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1730T
LCR Meter
Instruction Manual
Form 150821/A4
©QuadTech, Inc., 2006
Domestic Sales
800-253-1230
For additional contact information please visit our website
www.quadtech.com
The material in this manual is for informational purposes only and is subject to change, without notice.
QuadTech assumes no responsibility for any error or for consequential damages that may result from the
misinterpretation of any procedures in this publication.
CAUTION
Voltage may be present on front and rear panel terminals. Follow all warnings in this manual when
operating or servicing this instrument. Substantial levels of energy may be stored in capacitive devices
tested by this unit.

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Summary of Contents for QuadTech 1730T

  • Page 1 The material in this manual is for informational purposes only and is subject to change, without notice. QuadTech assumes no responsibility for any error or for consequential damages that may result from the misinterpretation of any procedures in this publication.
  • Page 2 Page 2 of 110 150821/A4...

  • Page 3: Table Of Contents

    Contents Warranty ......................5 Specifications ......................7 Accessories ......................9 Safety Precautions....................11 Condensed Operating Instructions ................13 Introduction - Section 1 Unpacking and Inspection................17 Product Overview ..................17 Controls and Indicators ..................18 1.3.1 Front Panel Controls and Indicators ..........18 1.3.2 Rear Panel Controls and Connectors ..........19 Installation .....................20 1.4.1 Dimensions ..................20 1.4.2 Instrument Positioning ...............20...
  • Page 4 Contents - continued Operation - Section 2 – Continued MEAS DISPLAY...................36 2.4.1 FREQuency ..................37 2.4.2 LEVEL ....................37 2.4.3 PARAmeter ..................37 2.4.4 RANGE .....................40 2.4.5 SPEED/Accuracy ................41 2.4.6 TRIGger ....................46 2.4.7 BIAS Voltage ..................46 2.4.8 BINNING ..................47 2.4.9 COMPARE ..................47 2.4.10 BIAS Current ..................48 MAIN INDEX ....................50 2.5.1 BINNING ..................50 2.5.2 STORE ....................53...

  • Page 5: Warranty

    SERVICE POLICY QuadTech’s service policy is to maintain product repair capability for a period of at least five (5) years after original shipment and to make this capability available at the then prevailing schedule of charges.
  • Page 6 Page 6 of 110 150821/A4...

  • Page 7: Specifications

    Specifications Ls, Lp, Cs, Cp, Rs, Rp and ⏐Z⏐, L2A and L2B Primary Parameters: Ls, Lp: 0.001μH – 99.999kH L2A, L2B: 0.001μH – 99.999kH Cs, Cp: 0.001pF – 9.9999F Rs, Rp: 0.01mΩ – 99.99MΩ ⏐Z⏐: 0.01mΩ – 99.99MΩ D, Q, ESR, Xs, θ, N, 1/N, M, R2, and DCR Secondary Parameters: 0.0001 –...
  • Page 8 90-125VAC 190-250VAC 50 or 60Hz 65W max • • • • Power: Instruction Manual Power Cable • • Supplied: Calibration Certificate Kelvin Clip Lead Set • • Description Catalog No. Ordering Information: LCR Meter 1730T Page 8 of 110 150821/A4...

  • Page 9: Accessories

    For proper operation, the H cable shields must be connected together at the DUT. This connection is already made using the 1730T recommended accessory leads. If the shields are not tied together, then at higher frequencies a resonance may occur which could cause erroneous capacitance readings.
  • Page 10 Page 10 of 110 150821/A4...

  • Page 11: Safety Precautions

    Safety Precautions CAUTION The 1730T LCR Meter can provide an external bias output voltage of 5V DC to the device under test (DUT). Although the 1730T unit is a low voltage instrument, some devices tested (especially capacitors) can store charge and may cause serious hazards if not discharged properly.
  • Page 12 Safety Symbols The product is marked with the following safety symbols. Product will be marked with this symbol (ISO#3864) when it is necessary for the user to refer to the instruction manual in order to prevent injury or equipment damage. Product marked with this symbol (IEC417) indicates presence of direct current.

  • Page 13: Condensed Operating Instructions

    The 1730T LCR Meter can be operated from a power source between 90-125V or 190-250V AC at a power line frequency of 50 or 60Hz. The standard 1730T unit is shipped from QuadTech with a 1A fuse in place for AC 90-125V operation. (A 0.5A fuse is included for AC 190-250V operation).
  • Page 14 Condensed Operating Instructions (Continued) There are three main menus within the 1730T LCR Meter instrument software. Familiarize yourself with these menus prior to programming a test. Figure COI-1 illustrates the MEAS DISPLAY screen and lists the functions that can be accessed by pressing the [MAIN INDEX] and [SYSTEM SETUP] keys.
  • Page 15 • Set test parameters (frequency, voltage, parameters) using the function & arrow keys. 2. Correction (Zero) After setting your test parameters, use the correction function of the 1730T LCR Meter instrument to zero the test leads. With no device connected, connect the appropriate cable to the front panel BNC connectors.
  • Page 16 Condensed Operating Instructions (Continued) 3. Connection to Device under Test (DUT) Figure COI-3 illustrates the connection of the 1730T LCR Meter to a single DUT using the 1700-03 4-BNC to Kelvin Clips cable lead set. The silver BNC connectors are connected to...

  • Page 17: Unpacking And Inspection

    Inspect the shipping carton before opening. If damaged, contact the carrier agent immediately. Inspect the 1730T LCR Meter instrument for any damage. If the instrument appears damaged or fails to meet specifications notify QuadTech (refer to instruction manual front cover) or its local representative.

  • Page 18: Controls And Indicators

    Controls and Indicators 1.3.1 Front Panel Controls and Indicators Figure 1-2 illustrates the controls and indicators on the front panel of the 1730T LCR Meter instrument. Table 1-1 identifies them with description and function. QuadTech 1730T LCR Meter MEAS MAIN SYSTEM <MEAS DISPLAY>...

  • Page 19: Rear Panel Controls And Connectors

    1.3.2 Rear Panel Controls and Connectors Figure 1-3 illustrates the controls and connectors on the rear panel of the 1730T LCR Meter instrument. Table 1-2 identifies them with description and function. HANDLER INTERFACE IEEE-488 INTERFACE BIAS GUARD FUSE POLLUTION DEGREE 2...

  • Page 20: Installation

    An ESD mat is not a recommended test platform. 1.4.3 Power Requirements The 1730T can be operated from a power source of 90 to 125V AC or 190 to 250V AC. Power connection is via the rear panel through a standard receptacle. Before connecting the 3-wire power cord between the unit and AC power source, make sure the voltage selection switches on the rear panel (Figure 1-5) are in accordance with the power source being used.

  • Page 21: Safety Inspection

    Procedure for Changing a 1730T Instrument Fuse Unscrew the fuse cap on the rear panel of the 1730T and pull fuse holder outward. Once the fuse holder has been removed from the instrument snap the fuse from the holder and replace.

  • Page 23: Terms And Conventions

    Section 2: Operation Terms and Conventions Table 2-1: Measurement Unit Prefixes Multiple Scientific Engineering Symbol 10 15 1000000000000000 Peta 10 12 1000000000000 Tera 10 9 1000000000 Giga 10 6 1000000 Mega 10 3 1000 Kilo 10 -3 .001 milli 10 -6 μ...
  • Page 24 Capacitance: The measure of the ratio of charge on either plate of a capacitor to the potential difference (voltage) across the plates. Unit of measure is the Farad (F). Capacitive Reactance: A measurement of the actual AC resistance of a capacitor. How effective a capacitor allows AC to flow depends upon its capacitance and the frequency used.
  • Page 25 Equivalent Circuit: The configuration of the device under test. Is it a series or parallel equivalent circuit? Series Parallel IMPEDANCE ADMITTANCE Capacitive Inductive Capacitive Inductive Frequency: The rate at which current or voltage reverses polarity and then back again completing a full cycle, measured in Hertz (Hz) or cycles/second.
  • Page 26 Interface: Handler: Device for remote control of test instrument in component handling operations. IEEE-488: General Purpose Interface Bus (GPIB). GPIB is an industry standard definition of a Parallel bus connection for the purpose of communicating data between devices. RS232: An industry standard definition for a Serial line communication link or port.
  • Page 27 Repeatability: The difference between successive measurements with no changes in the test setup or test conditions. Reproducibility: Similar to repeatability but adds the element of what could be expected under real life conditions. Reproducibility would take into account the variability in thing like fixturing where the DUT being tested is removed from the fixture and then inserted again.

  • Page 28: Startup

    Power is applied to the 1730T instrument by pressing the green power switch on the front panel to the ON (1 position). The 1730T unit should warm up for a period of at least 15 minutes prior to measurements being made.

  • Page 29: Vm/Im Display

    KEY LOCK: 2.3.2 CONST Rsource The constant source impedance of the 1730T instrument can be set to 100/25Ω, 100Ω, 25Ω, or 10ΩCC (constant current). The instrument default setting is 100/25Ω. The 100/25Ω setting allows the instrument to automatically select its impedance based on the impedance of the DUT (Z ).

  • Page 30: Average Time

    2.3.3 AVERAGE Time The 1730T instrument can make many measurements then display the average based on what average number was selected. The range is 001 – 256 and the instrument default setting is 001. To change the number to average press [SYSTEM SETUP], [SYSTEM CONFIG] and the down arrow [⇓] until the box next to AVERAGE TIME is highlighted, then press [F1] = DIGIT UP to...

  • Page 31: Key Lock

    2.3.6 KEY LOCK To lock out the front panel operations with the exception of the [TRIGGER] key, set the key lock function to ON. Press [SYSTEM SETUP], [SYSTEM CONFIG], [⇓] until OFF is highlighted next to KEY LOCK, then press [F1] = ON. The backlit LOCK block will appear on the measure display.

  • Page 32: Integer Cycle

    2.3.7 INTEGer CYCLE This determines the number of cycles of a sine wave integrated together during a measurement. An integration cycle of 1 will result in the fastest possible measurement but the least accurate. The integer cycle can be set from 01 to 08. The instrument default setting is 04. To change the integer cycle press [SYSTEM SETUP], [SYSTEM CONFIG] and the down arrow [⇓] until the box next to INTEG CYCLE is highlighted, then press [F1] = DIGIT UP to increase then number or [F2] = DIGIT DOWN to decrease the number.

  • Page 33: Alarm Mode

    2.3.10 ALARM Mode The type of audible alarm can be set to PULSE or CONTINUOUS during judgment in the measure display. The instrument default setting is PULSE. To change the alarm mode press [SYSTEM SETUP], [SYSTEM CONFIG] and the down arrow [⇓] until the box next to ALARM MODE is highlighted, then press [F1] = PULSE for the alarm to sound in a pulse tone or [F2] = CONTINUOUS for the alarm to sound continuously.

  • Page 34: Gpib Address Code

    The trigger delay is the amount of time between the activation of a trigger (via IEEE, Handler or front panel) and the 1730T making the measurement. The delay time can be programmed from 0000 to 9999 milliseconds. The instrument default value is 0000 milliseconds. To change the TRIGGER DELAY press [SYSTEM SETUP], [SYSTEM CONFIG] and the down arrow [⇓]...

  • Page 35: Link 1320

    2.3.16 LINK 1320 It is possible to link the 1730T instrument to the QuadTech 1320 Bias Current Source. The 1320 instrument is capable of producing 20A DC bias current. The 1730T instrument default setting is OFF. To change the LINK 1320 press [SYSTEM SETUP], [SYSTEM CONFIG] and the down arrow [⇓] until the box next to LINK 1320 is highlighted, then press [F1] = ON or [F2] =...

  • Page 36: Meas Display

    MEAS DISPLAY The 1730T instrument’s stand-by display is the MEAS DISPLAY. After power has been applied to the instrument and it cycles quickly through the information screen, the instrument reverts to the MEAS DISPLAY. To view the instrument information screen as illustrated in Figure 2.1, press [SYSTEM SETUP] then [⇐].

  • Page 37: Frequency

    NEXT PAGE 1/3 2.4.3 PARAmeter The 1730T instrument can measure 12 different LCR parameters and display two (primary and secondary) simultaneously. In MEAS DISPLAY press [F3] so that the C sD box is highlighted. Use the down arrow [⇓] key to change/select the primary parameter. Use the right arrow [⇒] key to move the highlighted box to s and use the [⇑] key to select the equivalent circuit equal to...
  • Page 38 L2A, L2B DCR Measurement (DCR, R2) A 4-terminal or 2-terminal DCR measurement is possible with the 1730T LCR Meter. The 4- terminal measurement is performed by selecting Ls or Lp as the primary parameter and DCR as the secondary parameter. A 2-terminal DCR measurement is made using the transformer test fixture (QuadTech P/N 630166).
  • Page 39 BNC connectors of the same name on the 1730T LCR Meter. The gray BNC to red alligator clips go to the primary winding. The gray BNC to black alligator clips go to the secondary winding.

  • Page 40: Range

    2.4.4 RANGE The 1730T instrument’s measurement range can be selected as AUTO or HOLD. instrument measurement ranges are 1MΩ, 300kΩ, 100kΩ, 30kΩ, 10kΩ, 3kΩ, 1kΩ, 300Ω, 100Ω, 10Ω, 1Ω, and 100mΩ depending on the test frequency and selected constant source impedance.

  • Page 41: Speed/Accuracy

    2.4.5 SPEED/Accuracy Trading accuracy for speed, program the measurement speed of the 1730T instrument to Slow (3measurements/second), Medium (22 measurements/second) or Fast (66 measurements/second). The basic LCR accuracy (0.1%) and D accuracy (0.001) are specified for the slow measurement speed. In MEAS DISPLAY (Pg 2/3) press [F2] so that the MEDIUM box is highlighted. Use the up arrow [⇑] key to increase the speed or use the down arrow [⇓] key to decrease the speed.
  • Page 42 If the impedance (⏐Z⏐) is in the range 0.1Ω to 0.01Ω, then the following accuracy formula applies. Z < 0.1Ω: 100mΩ IZI Accuracy Ze (%) θ Accuracy θe π Values for parameters A, B and C are listed in Table 2-4a Table 2-4a: ⏐Z⏐...
  • Page 43 More 1730T Accuracy Formulas L, C & R Accuracy For Q ≥ 10 and (D ≤ 0.1), ⏐Z⏐= ⏐Z ⏐= ⏐2πfL⏐ ⏐Z ⏐= ⏐1/(2πfC)⏐ For Q < 10 and (D > 0.1), Multiply L accuracy by (1 + 1/Q) Multiply C accuracy by (1 + D) D &...
  • Page 44 1730T Accuracy Conversion Charts Figure 2-3: 1730T Accuracy Formula Conversion Charts Page 44 of 110 150821/A4 Operation...
  • Page 45 More 1730T Accuracy Formulas: Direct Current Resistance (DCR) Accuracy: Ae% For Rx < 100Ω: DCR Accuracy Ae (%) 0.2mΩ For Rx > 100Ω: DCR Accuracy = Ae (%) Table 2-4d: Relationship between DCR, Rx, Rs and B 0.03 1MΩ < Rx <100MΩ...

  • Page 46: Trigger

    NEXT PAGE 2/3 2.4.7 BIAS Voltage The 1730T instrument is capable of generating 0-5V external DC bias voltage to the device under test. When the Bias Voltage is ON, voltage can be supplied from an internal voltage supply using the R...

  • Page 47: Binning

    2.4.8 BINNING The 1730T instrument has 8 pass/fail bins for sorting components by test result. enable/disable the binning function, in MEAS DISPLAY (Pg 3/3) press [F2] so that the OFF box is highlighted. Use the up arrow [⇑] key or down arrow [⇓] key to switch the binning function ON/OFF.

  • Page 48: Bias Current

    20A of current. A 1320S Slave unit can generate 20A of current. Up to 4 1320S Slave units may be connected to a 1320 Source for a total of 100A. If a 1320 is connected to the 1730T, select [LINK 1320] = ON in the MAIN INDEX menu. In MEAS DISPLAY, the BIAS I must be set ON/OFF and the level of BIAS I must be set.
  • Page 49 Before BIAS I can be turned ON and a current level set, [LINK 1320] must be set to ON in the [System Config] menu under [System Setup]. NOTE: There are no IEEE commands for the BIAS I function on the 1730T instrument. Control of the bias current is handled via IEEE commands to the 1320 instrument. Operation...

  • Page 50: Main Index

    CORRECTION Enter Correction function Figure 2-4: MAIN INDEX 2.5.1 BINNING To set the bin functions for the 1730T instrument, press [MAIN INDEX] then [F1] = BINNING. < MAIN INDEX BINNING > BIN SET Set Bin Nominal, High & Low Values...
  • Page 51 BIN Set and BIN Count After setting the AUX_LO: -00000.0000 value, press the down [⇓] arrow key to view bins 1-4. Press the down [⇓] arrow key again to view bins 5-8. Press the [MAIN INDEX] key to return to the MAIN INDEX BINNING screen. Press the [F4] = BIN COUNT to view the bin count for bins 1-8 and the OUT bin.
  • Page 52 Two of the most common methods of sorting results into bins are using nested limits or sequential limits. Nested Limits Nested limits are a natural choice for sorting components by % tolerance around a single nominal value with the lower bins narrower than the higher numbered bins. Nested limits for three bins are illustrated in Figure 2-5.

  • Page 53: Store

    2.5.2 STORE The 1730T instrument’s STORE and RECALL functions are within the MAIN INDEX menu. Press [MAIN INDEX], press [F1] = BINNING (or [F2] = COMPARE) then press [F2] = STORE to access the store function. < MAIN INDEX >...

  • Page 54: Recall

    2.5.3 RECALL The 1730T instrument’s STORE and RECALL functions are within the MAIN INDEX menu. Press [MAIN INDEX], press [F1] = BINNING (or [F2] = COMPARE) then press [F3] = RECALL to access the recall function. < MAIN INDEX >...

  • Page 55: Compare

    2.5.4 COMPARE To set up a comparison test, use the COMPARE function. To access the COMPARE function, press [MAIN INDEX] then press [F2] = COMPARE. Press [F1] = SETTING to set the primary nominal high and low judgment values. Press [F2] = STORE to store the current COMPARE setup or press [F3] = RECALL to recall a stored COMPARE setup.

  • Page 56: Correction

    Press [ANY KEY] to return to MEAS DISPLAY status. NOTE: When SINGLE is selected, the 1730T instrument performs an open/short at the programmed test frequency. When MULTI is selected, the 1730T instrument performs the open/short at all 7 test frequencies.
  • Page 57 CORRECTION: OPEN Figure 2-7 illustrates the connection of the Kelvin Clip test leads for an open correction. The MAIN INDEX display menus corresponding to the OPEN operation are illustrated below. < MAIN INDEX > BINNING Enter Binning function COMPARE Enter Compare function CORRECTION Enter Correction function <...
  • Page 58 Figure 2-8 illustrates the connection of the Kelvin Clip test leads for a short correction. The MAIN INDEX display menus corresponding to the SHORT operation are illustrated below. QuadTech 1730T LCR Meter <MAIN INDEX CORRECT SHORT> SINGLE FREQ.: 100.0kHz RANGE : 4...
  • Page 59 (especially constant source impedance, CONST Rsource) are changed. NOTE: When SINGLE is selected, the 1730T instrument performs an open/short at the programmed test frequency. When MULTI is selected, the 1730T instrument performs the open/short at all 7 test frequencies. Operation...

  • Page 60: Connection To Device Under Test

    Kelvin Clip Cable lead set. The red Kelvin clip/BNCs are connected between the H and H (+) terminals on the 1730T unit and the high side of the device under test. The black Kelvin clip/BNCs are connected between the L...
  • Page 61 DUT. This connection is already made using the 1730T recommended accessory leads. If the shields are not tied together, then at higher frequencies a resonance may occur which could cause erroneous capacitance readings Figure 2-10 illustrates the connection of the 1700-01 axial/radial component test fixture to the 1730T LCR Meter.
  • Page 62 Connection to Device under Test – continued Figure 2-11 illustrates the connection of the 1700-02 axial/radial remote test fixture to the 1730T LCR Meter. Insert the axial/radial leaded component in the test fixture paying attention to the high and low designations on the test fixture.
  • Page 63 Figure 2-12 illustrates the connection of the 7000-05 Component Tweezers cable lead set to the 1730T LCR Meter. The BNC labeled “IL” connects to the BNC labeled L . The BNC labeled “PL” connects to the BNC labeled L . The BNC labeled “PH” connects to the BNC labeled .
  • Page 64 Figure 2-13 illustrates the two 7000 Series BNC to BNC test cable lead sets available for the 1730T LCR Meter. The 7000-01 is one meter in length and the 7000-02 is two meters in length. The 1730T instrument permits the input of the test cable length for better measurement accuracy.
  • Page 65 Figure 2-14 illustrates the 7000-07 SMD Test Fixture available for the 1730T LCR Meter. The 7000-07 Low Voltage Chip Component Test Fixture comes equipped with the 1-meter 7000-01 BNC to BNC cable lead set. The 1730T instrument permits the input of the test cable length for better measurement accuracy.
  • Page 66 Figure 2-15 illustrates the 630166 Transformer Test Fixture connected to the 1730T LCR Meter. The 1730T instrument measures turns ratio (N), turns ratio inverse (1/N), mutual inductance (M) and DC resistance (R2) of transformers and wound components. Refer to paragraph 2.4.3, Parameter, for programming instructions for N, 1/N, M and R2.
  • Page 67 Figure 2-16 illustrates the 1320 DC Bias Current Source connected to the 1730T LCR Meter using the 7000-01 BNC to BNC lead set. Refer to the 1320 Instruction Manual (150414) for programming instructions. In this 1730T instruction manual paragraphs 2.3.16 “Link 1320” and 2.4.10 “Bias Current”...

  • Page 68: Measurement Procedure

    • The test result is displayed on MEAS DISPLAY The 1730T instrument judges the measurement value based on the BINNING and COMPARE functions set up previously. Refer to paragraphs 2.5.1 and 2.5.4 for instructions on setting these judgment parameters. Upon completion of the test the output voltage is terminated and the display shows the test result.

  • Page 69: Ieee-488 Interface

    Connection is through the blue 24-pin connector labeled ‘IEEE-488 INTERFACE’ on the rear panel of the 1730T instrument. This interface can be used to connect a system containing a number of instruments and a controller in which each meets IEEE Standard 488.2 (Standard Digital Interface for Programmable Instrumentation).
  • Page 70 Table 3-1 lists the IEEE-488 Interface pin designations by pin number, signal name and pin function. Bus and driver information is also listed. Table 3-1: IEEE-488 Interface Pin Designations Bus Driver Signal Function Name Number 3 States Low State: “Data is Available” and valid on DI01 through DI08 Open NRFD...

  • Page 71: Ieee-488 Interface Function Codes And Messages

    Refer to paragraph 2.3.2 for more information. The default setting for the IEEE address is 17. Table 3-2 defines the IEEE-488 interface codes and their function. Table 3-3 defines the IEEE- 488 interface messages the 1730T instrument responds to and their function. Table 3-2: IEEE-488 Interface Functions Code...
  • Page 72 Table 3-4 lists the IEEE-488 interface commands the 1730T instrument accepts to set or query a parameter value. Paragraphs 3.1.3 through 3.1.5 detail the command function, format, return value and description. Table 3-4: IEEE-488 Commands Command Name Function Output Format...
  • Page 73 Status Byte Register The Status Byte Register is composed of 8 bits that summarize the status data. The Status Byte Register can be read using either *STB? or SPOLL. Both return a decimal expression of the contents of the register. Status Byte Assignments are listed in table 3-5. Status Byte Register Status Summary Messages Service Request...
  • Page 74 Query Error: No data in the output buffer Always 0 Operation Complete: 1730T has completed all tests * GET: Ground Execute Trigger: A command error may occur when the 1730T receives a Ground Execute Error within a program message. Page 74 of 110...
  • Page 75 The condition register reflects the internal status of the 1730T LCR Meter. Each time the status of the 1730T instrument changes then the condition register will changes from a “1” to a “0” or from a “0” to a “1”.

  • Page 76: Ieee-488 Interface Commands

    Figure 3-3 illustrates the programming commands accepted by the IEEE-488 interface of the 1730T instrument. The commands are written in tabular format as a single reference to view all the commands. The command format and examples are detailed in paragraphs 3.1.4 – 3.1.5.
  • Page 77 IEEE-488 Commands – continued: SENSe AVERage COUNt [STATe] CORRection COLLect ACQuire METHod DATA? [STATe] FIMPedance APERature RANGe AUTO [UPPer] FUNCtion [ON] SOURce FREQuency VOLTage [LEVel] [IMMediate] [AMPLitude] SYSTem BEEPer [IMMediate] OFFSet [STATe] ERRor KLOCk PRESet LINK HANDler ALARm CONst INTEgration TRIGger DELay IMMediate...

  • Page 78: Ieee-488 Command Format

    3.1.4 IEEE-488 Command Format The IEEE-488 commands are configured in Root format. There are six levels of the instruction from top to bottom. Follow the specific path (as illustrated in Figure 3-3) to configure a specific command. The colon at the beginning of each line denotes that all line signals are root. Use a colon (:) to separate levels.

  • Page 79: Ieee-488 Commands - Detailed

    3.1.5 IEEE-488 Commands - Detailed The IEEE commands listed in Figure 3-3 are detailed in paragraphs 3.5.1.1 – 3.1.5.55 including command, parameter, return value, function, and description. Note: Numerical data is transferred via one of three methods: integer format, fixed decimal format or floating point decimal format.
  • Page 80 3.1.5.2 CALCulate1:FORMat Instruction: CALCulate1:FORMat Parameter: {REAL⏐MLINear⏐CP⏐CS⏐LP⏐LS⏐ZS⏐RS⏐RP} Return Value: {REAL⏐MLINear⏐CP⏐CS⏐LP⏐LS⏐ZS⏐RS⏐RP} Function: Set or Query the primary measurement parameter. Description: REAL Impedance, Real MLINear Impedance, absolute value Equivalent parallel capacitance Equivalent series capacitance Equivalent parallel inductance Equivalent series inductance Equivalent series impedance Equivalent series resistance Equivalent parallel resistance 3.1.5.3...
  • Page 81 3.1.5.4 CALCulate{1⏐2}:LIMit:BEEPer:CONDition Instruction: CALCulate{1⏐2}:LIMit:BEEPer:CONDition Parameter: {FAIL⏐PASS} Return Value: None Function: Set condition upon which Beeper sounds. Description: FAIL Beeper sounds when comparison result is a FAIL PASS Beeper sounds when comparison result is a PASS 3.1.5.5 CALCulate{1⏐2}:LIMit:BEEPer:STATe Instruction: CALCulate{1⏐2}:LIMit:BEEPer:STATe Parameter: {ON (1)⏐OFF (0)} Return Value: {1⏐0}...
  • Page 82 3.1.5.9 CALCulate{1⏐2}:LIMit:UPPer[:DATA] Instruction: CALCulate{1⏐2}:LIMit:UPPer[:DATA] Parameter: {The upper limit value⏐MAXimum⏐MINimum} Return Value: The upper limit value, the format is <NR3> (Floating point) Function: Set or query the upper limit value. Description: MINimum -9.999E14 MAXimum 9.999E14 3.1.5.10 CALCulate{1⏐2}:MATH:EXPression:CATalog Instruction: CALCulate{1⏐2}:MATH:EXPRession:CATalog Parameter: None Return Value: Bias absolute value (DEV) or percent value (PCNT) Function:...
  • Page 83 3.1.5.14 CALCulate{3⏐4}:MATH:STATe Instruction: CALCulate{3⏐4}:MATH:STATe Parameter: {ON (1)⏐OFF (0)} Return Value: {1⏐0} Function: Set or query if VM/IM function is ON or OFF. Description: CALCulate3 Set current value (IM) CALCulate4 Set voltage value (VM) ON (1) Turn on VM/IM function OFF (0) Turn off VM/IM 3.1.5.15 CALibration:CABLe...
  • Page 84 3.1.5.19 DISPlay[:WINDow] :TEXT1:PAGE Instruction: DISPlay[:WINDow]:TEXT1:PAGE Parameter: {1⏐2} Return Value: {1⏐2} Function: Set or query which screen is shown. Description: Measuring screen Comparison screen 3.1.5.20 DISPlay[:WINDow]:TEXT2:PAGE Instruction: DISPlay[:WINDow]:TEXT2:PAGE Parameter: {1⏐2⏐3⏐4} Return Value: {1⏐2⏐3⏐4} Function: Set or query which page of MEAS DISPLAY is shown. Description: Page 1 of MEAS DISPLAY (Freq, Level, Parameter) Page 2 of MEAS DISPLAY (Range, Speed, Trigger)
  • Page 85 3.1.5.22 FORMat[:DATA] Instruction: FORMat[:DATA] Parameter: {ASCII} Return Value: Function: Set or query the format of the numerical data being transferred. 3.1.5.23 INITiate[:IMMediate] Instruction: INITiate[:IMMediate] Parameter: None Return Value: None Function: Immediately initiate all sequences. 3.1.5.24 INITiate:CONTinuous Instruction: INITiate:CONTinuous Parameter: {ON (1)⏐OFF (0)} Return Value: {1⏐0} Function:...
  • Page 86 3.1.5.28 [:SENSe]:CORRection:DATA?STANdard Instruction: [:SENSe]:CORRection:DATA?STANdard Parameter: {1⏐2} Return Value: Two numerical correction values in <NR3> format Function: Query the numerical correction value. Description: STANdard 1 OPEN correction value: G, B STANdard 2 SHORT correction value: R, X 3.1.5.29 [:SENSe]:FIMPedance:APERature Instruction: [:SENSe]:FIMPedance:APERature Parameter: 0.025 (Fast), 0.065 (Medium), 0.500 (Slow) Return Value:...
  • Page 87 3.1.5.32 [:SENSe]:FUNCtion[:ON] Instruction: [:SENSe]:FUNCtion[:ON] Parameter: {FIMPedance⏐FADMITTANCE} Return Value: {FIMPedance⏐FADMITTANCE} Function: Set or query the equivalent circuit measurement mode. Description: FIMPedance Series equivalent circuit FADMittance Parallel equivalent circuit 3.1.5.33 [:SENSe]:FUNCtion:CONCurrent Instruction: [:SENSe]:FUNCtion:CONCurrent {ON⏐OFF ⏐1⏐0} Parameter: Return Value: {1⏐0} Function: Set or query the transformer measurement mode (DCR, L2, N, M and R2). Description: ON (1) Transformer mode ON...
  • Page 88 3.1.5.34 SOURce:FREQuency[:CW] Instruction: SOURce:FREQuency[:CW] Parameter: Test Frequency Unit: [Hz⏐kHz], default is Hz Return Value: {Test Frequency} in <NR3> format Function: Set or query the test frequency. Range Values: 50Hz, 60Hz, 100Hz, 120Hz, 1kHz, 10kHz, 20kHz, 40kHz, 50kHz & 100kHz 3.1.5.35 SOURce:VOLTage[:LEVel][:IMMediate][AMPLitude] Instruction: SOURce:VOLTage[:LEVel][:IMMediate][AMPLitude]...
  • Page 89 3.1.5.40 SYSTem:ERRor? Instruction: SYSTem:ERRor? Parameter: None Return Value: Error message Function: Query if there are any system errors. 3.1.5.41 SYSTem:HANDler Instruction: SYSTem:HANDler Parameter: {CLEAr⏐HOLD} Return Value: {CLEAr⏐HOLD} Function: Set the Handler to clear result or hold result for each test. 3.1.5.42 SYSTem:INTEgration Instruction:...
  • Page 90 3.1.5.46 TRIGer:DELay Instruction: TRIGer:DELay Parameter: Trigger Delay Time Unit: [MS⏐S], default is S Return Value: {Trigger Delay Time} in <NR3> format Function: Set or query the trigger delay time. Range Values: 0 ~ 9999ms 3.1.5.47 TRIGer:[IMMediate] Instruction: TRIGer:[IMMediate] Parameter: None Return Value: None Function:...
  • Page 91 3.1.5.51 BINning:LOWer:BIN Instruction: BINning:LOWer:BIN{1-8} Parameter: {?⏐<number> (NR3 mode)} Return Value: {The low limit value of each BIN} Function: Sets the low limit value of each bin. Value is +999.99 to -999.99% 3.1.5.52 BINning:LOWer:AUX Instruction: BINning:LOWer:AUX Parameter: {The low limit value (NR3 mode) of the secondary parameter} Return Value: {The low limit value (NR3) of secondary parameter} Function:...

  • Page 92: Binning Example

    3.1.6 Binning Example Here is an example to program the bin limits for a binning operation. In this example Bin1 has a high/low limit of ±1.2%. Bin2 has a high/low limit of ±2.2%. Both nested around the nominal value of 100mΩ. NOTE: The Bin function is turned on after...

  • Page 93: Compare Example

    Here is an example to program the nominal, high and low limits for a compare operation. this example the 1730T instrument is programmed with the primary parameter Rs and the secondary parameter Q at 1kHz and 1V. The auto range is OFF and the 100Ω Range is selected.

  • Page 94: Sample Ieee Basic Program

    END IF k2 = 1000 fr = 100000 Cmdl$ = "C" Print "Configuring the 1730T" PRINT #1, "output 17; TRIG:SOUR BUS" FOR g = 1 TO k2: NEXT g PRINT #1, "output 17; :SOUR:FREQ "; fr FOR g = 1 TO k2: NEXT g PRINT #1, "output 17;...

  • Page 95: Handler Interface

    Handler Interface The 1730T instrument comes standard with a Handler interface as illustrated in Figure 3-5. Connection is through the blue 50-pin connector on the rear panel of the 1730T instrument. VEXT 1730T Handler VEXT Interface PIN Configuration: /BIN8 Rear Panel View...
  • Page 96 Figure 3-6: Trigger Output Signals The output lines of the 1730T Handler interface are open collector drivers that pull each signal line to a low voltage, signal ground when the signal is active (true). Each external line should be pulled up (with a resistor) to a positive voltage between 5V and 24V. The pull-up resistor must limit the current to <...
  • Page 97 Figure 3-7 illustrates the connection of the handler interface to the main board on the 1730T. MAIN BOARD (1730) Pull-Up Handler Resistors Interface /BIN0 VEXT /BIN1 VEXT /BIN8 /BIN2 /BIN3 /BIN7 /BIN3 /BIN5 /BIN2 /BIN4 /BIN6 /BIN0 /BIN5 /BIN1 /BIN4...
  • Page 98 Input Signal The input signal to the 1730T Handler interface is active low and requires a positive external voltage to pull the signal down below 0.4V, ground. The connection of pin 19 (/EXT), the external trigger input signal, is illustrated in Figure 3-8.
  • Page 99 A basic example of an external trigger (START) connection is illustrated in Figure 3-9. A switch is inserted between pins 19 and 50. A green LED is connected between pins 1, 25 and 35 (Bin 1). 1730T Handler Interface PIN Configuration: Rear Panel View START...

  • Page 100: Handler Pin Assignments For Binning Operation

    3.2.1 Handler Pin Assignments for Binning Operation Table 3-9 lists the pin assignments when the handler interface on the 1730T instrument is performing a Binning operation. The device under test is sorted by test value. The test limits can be set as absolute value or percent value.

  • Page 101: Handler Pin Assignments For Compare Operation

    3.2.2 Handler Pin Assignments for Compare Operation Table 3-10 lists the pin assignments when the handler interface on the 1730T instrument is performing a Compare operation. The device under test is being compared against a standard of known value. High and low limits can be defined as absolute value or percent value.

  • Page 102: Bias Voltage Connector

    Bias Voltage Figure 3-10 illustrates the two connectors on the rear panel of the 1730T instrument used for bias voltage (or current) applications. The R connector is a black 4-screw terminal strip with two BIAS screws active. The EXT BIAS connector is a silver BNC terminal.
  • Page 103 Table 3-11: DC Bias Current and Source Impedance Constant Rs Output Output Current I DC Maximum (RDC < 100m Ω Mode Range of Measuring Terminal A Ouput Current 1k Ω 1k Ω 25 Ω 25 Ω 200mA 200mA 1k Ω + R 1k Ω...

  • Page 105: General

    QuadTech. Calibration Calibration of the 1730T LCR Meter instrument is completed at the factory and includes a NIST calibration certificate. Verification of instrument operation and accuracy is recommended on an annual basis. Accurate operation of the 1730T instrument is confirmed using the 1730T-TP Verification Procedure.

  • Page 106: 1730 Verification Procedure

    Data Sheet. If the calibrated values for the standards used do not have an uncertainty of 4 times better than the specified accuracy of the 1730T the uncertainty of the standard should be added to the specified accuracy of the 1730T. For example: if the calibrated value of the 500mΩ standard is 495.0mΩ...
  • Page 107 See paragraph 2.5.5 for information on performing an open and short correction. Connect each standard listed in the Verification Data Sheet and select the test frequency in the [MEAS DISPLAY] menu of the 1730T. Record the results in the Verification Data Sheet. Service & Calibration...

  • Page 108: 1730 Verification Data Sheet

    4.3.2 1730T Verification Data Sheet R500M Freq Pri. Actual Sec. Actual Voltage Primary Meas. Sec. Meas. Pspec Sspec 0.70% 0.0070 1000 0.25% 0.0025 10000 0.30% 0.0030 100000 0.90% 0.0091 Freq Pri. Actual Sec. Actual Voltage Primary Meas. Sec. Meas. Pspec Sspec 0.25%...
  • Page 109 L1000uH Freq Pri. Actual Sec. Actual Voltage Primary Meas. Sec. Meas. Pspec Sspec 3.68% 0.0300 1000 0.41% 0.2781 10000 0.26% 8.9862 100000 0.45% 74.8312 C50pF Freq Pri. Actual Sec. Actual Voltage Primary Meas. Sec. Meas. Pspec Sspec 1000 0.35% 0.0040 10000 0.50% 0.0072...
  • Page 110 C10nF Freq Pri. Actual Sec. Actual Voltage Primary Meas. Sec. Meas. Pspec Sspec 0.20% 0.0021 1000 0.12% 0.0014 10000 0.45% 0.0065 100000 0.45% 0.0109 C20nF Freq Pri. Actual Sec. Actual Voltage Primary Meas. Sec. Meas. Pspec Sspec 0.20% 0.0021 1000 0.10% 0.0011 10000...

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