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Keysight Technologies 16197A, Руководство по эксплуатации и обслуживанию

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 32                                                                                                       Keysight16197A Operation and Service Manual

Operation
Working with Device Guide

3-

Figure 3-9 

Inside Diameter of Guide Holder & Movable Range of Pressure Rod

Determine the position of the frame to be prepared, keeping in mind the 

following requirements:

• The electrode of the DUT must maintain equal contact with both the center electrode 

and electrode plate.

• The electrode of the DUT must have a large contact area, and the electrode space 

between the center electrode and electrode plate must be as large as possible.

• The pressure rod must be able to press the center of the DUT to stabilize the DUT 

during measurement.

Example of Preparing the Device Guide

Preparing the Device Guide for a 2520 SMD

The figure below shown an example of preparation for a device guide for a 

2520 SMD. For a 2520 SMD, the measuring position for a 2012 device is used 

(electrode space: 1.5mm). 

Содержание 16197A

Страница 1: ...Operation and Service Manual Keysight 16197A Bottom Electrode SMD Test Fixture...

Страница 2: ...mputer software under the same terms by which the software is customarily provided to the public Accordingly Keysight provides the Software to U S government customers under its standard commercial li...

Страница 3: ...nctions of Accessories 20 3 Operation Measurement Flow 23 Setting the Electrical Length 25 Changing the Orientation of the Device Guide and Electrode Plate 25 Selecting the device guide frame 25 Chang...

Страница 4: ...ance Characteristics 57 Additional Error 57 D Measurement 57 Rs ESR Measurement 58 Residual Inductance of the Shorting Bar 59 6 Service Replaceable Parts 61 Pressure Unit 62 Electrode Unit 64 Other Pa...

Страница 5: ...tion is normal both mechanically and electrically Check the package contents against Table 1 1 If any component is missing or mechanically damaged or defective please contact Keysight Technologies loc...

Страница 6: ...6 Keysight16197A Operation and Service Manual Installation Guide Inspection before Unpacking 1 Figure 1 1 Package Contents of 16197A...

Страница 7: ...rting bar 1 6 x 0 8 x 0 83 16191 29006 1 Shorting bar 2 0 x 1 2 x 0 83 16191 29007 1 Shorting bar 3 2 x 1 6 x 0 83 16191 29008 1 6 Tweezers 8710 2081 1 7 Allen wrench 8710 0909 1 8 Magnifying glass 16...

Страница 8: ...t and an electrode unit Assemble the fixture before use Disassemble the fixture when storing it in the carrying case Assembly of 16197A Before using the 16197A install the pressure unit onto the elect...

Страница 9: ...3 Installing the Magnifying Glass Storage Before storing the 16197A remove the pressure unit from the electrode unit Figure 1 4 and loosen the pressure adjusting nut on the pressure unit Figure 1 5 Al...

Страница 10: ...10 Keysight16197A Operation and Service Manual Installation Guide Storage 1 Figure 1 5 Pressure Adjusting Nut...

Страница 11: ...Changing the Positions of the Guide Holder Fixing Screws Changing the Positions of the Guide Holder Fixing Screws If the guide holder fixing screws hamper operation the positions of these screws can...

Страница 12: ...e Holder Fixing Screws Before changing the positions of the fixing screws remove the pressure unit Step 1 Remove the four screws that fix the guide holder flange Figure 1 7 Step 2 Rotate the guide hol...

Страница 13: ...Manual for each adapter Step 1 Rotate the 7mm connector on the adapter counterclockwise as viewed from above to completely retract the connecting sleeve Step 2 Gently place the test fixture onto the...

Страница 14: ...the 7mm connector on the adapter counterclockwise as viewed from above to connect it with the connector on the bottom of the test fixture Figure 1 8 Installing the Test Fixture Turn the 7 mm connecto...

Страница 15: ...ors inductors and other similar components The 16197A is compatible with measuring frequencies to 3GHz and can accommodate bottom electrode chip components of sizes 3225 1 12102 3216 12062 20121 08052...

Страница 16: ...e SMDs The electrode plate is placed onto the center electrode of the electrode unit producing four different electrode spaces between the center electrode and electrode plate Figure 2 2 Figure 2 2 St...

Страница 17: ...pressure rod Since the movable range of the pressure rod is limited either one of the two lateral frames in the device guide can be used as the measuring position Figure 2 5 Therefore before connecti...

Страница 18: ...18 Keysight16197A Operation and Service Manual Product Description Product Description 2 Figure 2 5 Measuring Position for Each Device Size...

Страница 19: ...r the pressure rod 2 Latch Used to fix the lever to retain the pressure rod in its raised position 3 Knob Used to fix the pressure unit 4 Sliding block Used to laterally move the pressure unit 5 Press...

Страница 20: ...onnected Table 2 1 Names Functions of Parts No Name Function Table 2 2 Names Functions of Accessories No Name Function 1 Device guidea Used to position the DUT etc when connecting it to the electrode...

Страница 21: ...nector electrode etc 8 Cleaning rod Used to clean the electrodes Refer to Cleaning Method on page 45 in Chapter 4 Option 001 9 Device guide Device guide for 0603 devices 10 Electrode plate Electrode p...

Страница 22: ...22 Keysight16197A Operation and Service Manual Product Description Product Description 2...

Страница 23: ...Setting the Electrical Length on page 25 Set the electrical length for the measuring instrument if necessary Step 4 Changing the Orientation of the Device Guide and Electrode Plate on page 25 Select a...

Страница 24: ...ectrical length setting and fixture compensation all differ with the measuring instrument being used See the operation manual for the measuring instrument to be used To ensure accurate measurement wit...

Страница 25: ...e appropriate device guide and electrode plate in the proper orientation so that a suitable frame is located at the measuring position Selecting the device guide frame Select a device guide frame suit...

Страница 26: ...e guide prepare a suitable frame using the supplied blank device guide For details see Working with Device Guide Figure 3 2 Electrode Spacing An excessively large gap between the DUT and device guide...

Страница 27: ...ectrode spacing cannot be created As shown in Figure 3 3 when viewed from above on the correct face of the device guide there are two marks at positions 90 degrees apart clockwise from a single positi...

Страница 28: ...it referring to Figure 1 4 on page 9 Step 2 Unscrew the screws that fix the guide holder Then remove the guide holder device guide and electrode plate Figure 3 4 Figure 3 4 Removing the Device Guide a...

Страница 29: ...Electrode Plate Figure 3 6 Mounting the Device Guide and Electrode Plate 0603 Step 4 Install the guide holder and tighten the screws to secure it Do not touch or damage the center electrode or electr...

Страница 30: ...rode Plate 3 Step 5 Mount the pressure unit onto the electrode unit according to Figure 1 2 on page 8 Step 6 Connect the test fixture with the measuring instrument Connect the test fixture with the me...

Страница 31: ...pare a frame with reference to the dimensions of the blank device guide shown in Figure 3 7 and the electrode positioning shown in Figure 3 8 Reference Data for Preparing a Device Guide Frame Figure 3...

Страница 32: ...ode and electrode plate The electrode of the DUT must have a large contact area and the electrode space between the center electrode and electrode plate must be as large as possible The pressure rod m...

Страница 33: ...a frame at this position the electrodes on both lateral sides of the DUT can be placed in equal contact by 0 4 mm width with the center electrode and the electrode plate Example of Preparing the Devi...

Страница 34: ...de In order to prepare the device guide more easily there is a method that involves precisely cutting only the 2 sides that position the device over the electrodes Do not cut the corner hole which mou...

Страница 35: ...otate the pressure adjusting nut to adjust the pressure on the pressure rod to the same value as used for measurement Step 2 Loosen the knobs on the sliding block and adjust the position of the pressu...

Страница 36: ...the device guide frame Figure 3 15 Connecting the Shorting Bar Each shorting bar is made exclusively for a particular device size Do not use a shorting bar of the wrong size Handle each shorting bar w...

Страница 37: ...ation data according to the operation manual for the measuring instrument to be used Shorting bars can wear out Therefore each time before using a shorting bar measure and compare its resistance with...

Страница 38: ...he lever to raise the pressure rod and remove the shorting bar used to measure the SHORT compensation data Figure 3 18 1 Step 8 Press the lever to raise the pressure rod Figure 3 18 2 and push the lat...

Страница 39: ...Keysight16197A Operation and Service Manual 39 Operation Performing Fixture Compensation Step 9 Measure OPEN compensation data according to the operation manual for the measuring instrument to be used...

Страница 40: ...according to the operation manual for the measuring instrument to be used The DUT may become hot during measurement If the temperature of the DUT rises the end of the pressure rod may be deformed If...

Страница 41: ...Keysight16197A Operation and Service Manual 41 Operation Connecting and Measuring the DUT Figure 3 20 DUT Position in the Device Guide Frame...

Страница 42: ...42 Keysight16197A Operation and Service Manual Operation Connecting and Measuring the DUT 3...

Страница 43: ...e optimal measurement results it is important to keep the contact faces in good condition and take appropriate action before such wear or deformation occurs Therefore the fixture should be properly ca...

Страница 44: ...ually since they can easily be smeared with solder transferred from the DUT during measurements Because shorting bars are used to determine the zero reference for fixture compensation smeared or defor...

Страница 45: ...quire cleaning The area of the center electrode that will be in contact with the electrode of the DUT The area of the electrode plate that will be in contact with the electrode of the DUT Figure 4 1 A...

Страница 46: ...Figure 4 2 Cleaning Rod Do not file off the smears filing part surfaces may cause poor measurement accuracy or repeatability If smears cannot be removed replace the part For the replacement method se...

Страница 47: ...re for the first time after delivery When changing the required measurement accuracy Perform Acquiring Reference Values in the following cases When using the fixture for the first time after delivery...

Страница 48: ...the fixture before deterioration It is recommended to take measurements at a frequency at which the fixture is normally used It is necessary to obtain reference values using electrodes and shorting b...

Страница 49: ...Deterioration Check Measure the impedance of the fixture in the SHORT state to check for electrode deterioration Use a shorting bar suited to the size of the actual DUT The electrode deterioration ch...

Страница 50: ...rientation of the contact assembly it is possible to take measurements using an unused clean area of the center electrode For details see Changing the Orientation of or Replacing the Contact Assembly...

Страница 51: ...10 m 70 m Ls 2 34 nH 0 5 nH 1 84 nH 2 84 nH 800 MHz Rs 220 m 40 m 180 m 260 m Ls 2 32 nH 0 4 nH 1 92 nH 2 72 nH a User s discretionary value b Enter the values obtained in section Acquiring Reference...

Страница 52: ...requency Measurement parameter Reference value a User limit value b Lower limit a b Upper limit a b Rs m m m m Ls pH pH pH pH Rs m m m m Ls pH pH pH pH Table 4 5 Checking History Date Time Frequency M...

Страница 53: ...eck Assembly Check Each time after replacing a part conduct an assembly check to confirm that the fixture has been assembled properly The procedure for performing an assembly check is identical with t...

Страница 54: ...54 Keysight16197A Operation and Service Manual User Maintenance Assembly Check 4...

Страница 55: ...useful in applying the instrument but that is not covered by the product warranty The information is denoted as typical or nominal Specification spec Warranted performance Specifications include guar...

Страница 56: ...5 0 4 mm 2012 2 0 0 1 1 25 0 1 0 4 mm 1608 1 6 0 15 0 8 0 15 0 4 mm 1005 1 0 0 03 0 3 0 03 0 4 mm 0603 0 6 0 03 0 3 0 03 0 25 mm Frequency DC to 3 GHz Maximum Voltage 42V peak max AC DC Maximum Curren...

Страница 57: ...ulated by substituting the values in the table below into the following equation Ze A Zs Zx Yo Zx 100 where A Test Fixture s Proportional Error Yo S Test Fixture s Open Repeatability S Zs Test Fixture...

Страница 58: ...error Rse of the Rs measurement is calculated by using the additional error for Impedance Ze as follows If Dx 0 1 Rse Ze Dx If 0 1 Dx 0 5 Rse Ze Dx Dx is the measured value of D and is calculated as f...

Страница 59: ...a result of its size and shape is estimated under specific conditions and is used as a reference value This method is useful for devices with values which are close to the short conditions of the meas...

Страница 60: ...60 Keysight16197A Operation and Service Manual Specifications and Supplemental Performance Characteristics Residual Inductance of the Shorting Bar 5...

Страница 61: ...t require RoHS soldering are supported Replace all defective parts with RoHS compliance part number Do not disassemble each unit into smaller components than shown in these exploded views If a defecti...

Страница 62: ...able 6 1 Replaceable Parts Pressure Unit Ref D Part Number Description Qty RoHS Compliant Replacement Part Description Qty 1 3050 1138 Washer 1 3050 1138 Washer 1 2 16197 25002 Pressure rod 1 16197 25...

Страница 63: ...663 Spring 1 10 16197 24004 Pressure adjusting nut 1 16197 24004 Pressure adjusting nut 1 11 16197 24005 Screw 1 16197 24005 Screw 1 12 0515 1185 Screw 1 0515 1185 Screw 1 13 16197 24003 Knob 2 16197...

Страница 64: ...le 6 2 Replaceable Parts Electrode Unit Ref D Part Number Description Qty RoHS Compliant Replacement Part Description Qty 1 0515 1077 Screw M 2 0 2 0515 1077 Screw M 2 0 2 2 16197 25004 Guide holder 1...

Страница 65: ...2151 Screw M2 x 0 4 4 11 N A Plate 1 N A Plate 1 12 16197 60001 Contact assembly including contact center 1 16197 60001 Contact assembly including contact center 1 13 16197 24001 Flange 1 16197 24001...

Страница 66: ...6197 29001 Shorting bar for Option Kit 001 1 16197 29001 Shorting bar for Option Kit 001 1 6 8710 2081 Tweezers 1 8710 2081 Tweezers 1 7 8710 0909 Allen wrench 1 8710 0909 Allen wrench 1 8 16193 60002...

Страница 67: ...method for changing the orientation of or replacing the contact assembly To change the contact assembly orientation or replace the contact assembly it is necessary to use a 1 5 mm Allen wrench Keysigh...

Страница 68: ...the Contact Assembly 6 3 Rotate the contact assembly and set it in place so that a clean area of the center electrode is at the measuring position 4 Install the flange and tighten the screws 5 Install...

Страница 69: ...at the DUT measuring position see Figure 3 18 on page 38 Step 3 Make the settings for the 4291B as follows Step 4 Under these conditions measure Cp at 100 MHz and 1 GHz separately Step 5 Confirm that...

Страница 70: ...ck Repeat short impedance measurement to check for the repeatability of measurement Step 1 Upon completion of the short impedance check disconnect the shorting bar and connect it again with the electr...

Страница 71: ...p 4 Obtain the difference between the first and second Ls measurements Step 5 Confirm that the variation in measurements is within the typical range shown in Table 6 8 Table 6 8 SHORT Impedance Check...

Страница 72: ...72 Keysight16197A Operation and Service Manual Service Operation Check 6...

Страница 73: ...This information is subject to change without notice Keysight Technologies 2011 2017 Edition 5 July 2017 16198 90010 16197 90020 www keysight com...

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