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SPICE Models

9

InfiniiMax III+ Series Probes User’s Guide

153

N5439A ZIF Probe Head with N5440A ZIF Tip

The following SPICE subcircuit data is for the N5440A 28 GHz ceramic ZIF Tips on an

N5439A ZIF probe head.

SPICE Subcircuit Data

.subckt N5440A_N5439A_450ohmZIF 1 2
c1 1 10 20f
l1 10 11 1.5n
r1 11 2 180
rp1 1 3 180
lp1 3 4 1.5n
cp1 4 5 24f
cp2 5 6 100n
rp2 6 1 500
rp3 5 1 50k
cm1 2 7 24f
lm1 7 8 1.5n
rm1 8 5 180
cm2 2 9 100n
rm2 9 5 500
rm3 2 5 50k
rom 5 0 180
lom 5 0 30u
.ends

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Summary of Contents for InfiniiMax III+ Series

Page 1: ...Keysight N2830 1 2A and N7000 1 2 3A InfiniiMax III Probes User s Guide...

Page 2: ...nment customers under its standard commercial license which is embodied in its End User License Agreement EULA a copy of which can be found at http www keysight com find sweula The license set forth i...

Page 3: ...ty Information 34 Service 37 2 Using InfiniiMax III Probe Heads 39 Recommended Configurations at a Glance 40 N5444A InfiniiMax III 2 92 mm 3 5 mm SMA Probe Head 42 N5439A InfiniiMax III ZIF Probe Head...

Page 4: ...QuickTip 111 N2836A Solder In Probe Head Flat Orientation 112 7 Performance Verification for N2830A Series Probes 115 Bandwidth Performance Verification 116 DC Input Resistance Performance Verificati...

Page 5: ...racy 21 To Use InfiniiMode 22 To Probe Ungrounded Devices 25 To Probe Single Ended Signals with a Differential Head 26 To Measure Small Signals on a Large DC Level 27 Slew Rate Requirements for Differ...

Page 6: ...the damaged shipping container or cushioning material until the contents of the shipment have been checked for completeness and the probe has been checked mechanically and electrically Check the acce...

Page 7: ...Using InfiniiMax III Series Probes 1 InfiniiMax III Series Probes User s Guide 7 Figure 2 N2830A Series Probe and Accessories in Supplied Case...

Page 8: ...8 InfiniiMax III Series Probes User s Guide 1 Using InfiniiMax III Series Probes Figure 3 N7000A Series Probe and Accessories in Supplied Case...

Page 9: ...urements is accomplished using the oscilloscope s probe configuration dialog box For more information refer to To Use InfiniiMode on page 22 Probe heads Before you can use the probe you must connect o...

Page 10: ...10 InfiniiMax III Series Probes User s Guide 1 Using InfiniiMax III Series Probes Figure 4 InfiniiMax III and III Family Diagram with Compatible Scopes and Probe Heads not to scale...

Page 11: ...Using InfiniiMax III Series Probes 1 InfiniiMax III Series Probes User s Guide 11 Figure 5 N2830 1 2A Probes...

Page 12: ...12 InfiniiMax III Series Probes User s Guide 1 Using InfiniiMax III Series Probes Figure 6 N7000 1 2 3A Probes...

Page 13: ...h connects to precision BNC oscilloscope channel inputs It is compatible with Infiniium oscilloscopes such as the 90000A and S series Of course the probe model must be also supported by the oscillosco...

Page 14: ...n will ramp the intensity of the LED headlights so that you can adjust the brightness to accommodate different lighting or glare conditions Figure 9 Buttons on 7000 1 2 3A Probe Cleaning the probe If...

Page 15: ...es software updates to support your probe fix known defects and incorporate product enhancements To download the latest firmware go to www Keysight com and search for your oscilloscope s model number...

Page 16: ...repairs Always wear a wrist strap when handling probe components CAUTION Probes are sensitive devices and should be treated with care Do not bend or kink the probe amplifier cable Do not drop heavy o...

Page 17: ...eries have a front panel ground socket You can plug the wrist strap into the ground socket as seen in the following picture Figure 11 Wrist Strap Connected to Oscilloscope Ground Socket The static saf...

Page 18: ...this case connect the DUT ground to the oscilloscope ground before moving the probe An example of a device having a floating ground would be a battery powered DUT WARNING These techniques for a static...

Page 19: ...12 Connecting the Probe to the Oscilloscope Safely disconnecting the probe from an oscilloscope Always disconnect the probe head from the probe amplifier before disconnecting the probe amplifier from...

Page 20: ...Series Probes Figure 13 Probe Improperly Disconnected from Oscilloscope while Probe Head is Connected to the Probe Amplifier CAUTION Never allow the probe head to be connected to the probe amplifier...

Page 21: ...se The correction filter increases accuracy by flattening the magnitude and phase response of the probe The following two sources of S parameters are automatically used for the filter S parameters of...

Page 22: ...pping the connections at the probe amplifier NOTE InfiniiMode is available when using InfiniiMax III N2830 1 2A and N7000 1 2 3A probes InfiniiMode is not available when using InfiniiMax I II or III p...

Page 23: ...ting the probe tips These equations use the voltages shown in Figure 15 Differential Measurement Common Mode Measurement Single Ended Measurement with Lead Single Ended Measurement with Lead NOTE Sold...

Page 24: ...rm the following steps 1 Click Setup Probe Configuration to open the Probe Configuration Setup dialog box shown in Figure 16 2 In the dialog box click the Probe Amp block to open the Probe Amplifier d...

Page 25: ...connect the DUT ground to the oscilloscope ground An example of a floating ground is a battery powered device Without the ground connection the common mode voltage is not guaranteed to be within the c...

Page 26: ...ificed when using a differential probe head as any supplied offset is applied only to the probe head s plus side To learn more about applying a DC offset when probing refer to To Measure Small Signals...

Page 27: ...t Behavior Figure 19 shows Normal selected in the Probe Offset dialog box When probing differential signals Normal allows you to apply probe offset using the oscilloscope s front panel vertical offset...

Page 28: ...20 Probe Offset Dialog Box Probe Setting Understanding how to properly use offset for your application can ensure that you get the maximum performance and dynamic range from your probes The unique met...

Page 29: ...ements on single ended signals than a single ended probe and this method of applying offset to only the plus side of a differential probe means that there is no sacrificing of offset range All of the...

Page 30: ...Signal Max Single Ended Slew Rate V ns Max Differential Slew Rate V ns Driver Min Edge Rate 20 80 ps Max Transmitter Level Diff V PCI Express 3GIO YES 9 6 19 2 50 1 6 RapidIO Serial 3 125Gb YES 8 0 1...

Page 31: ...Using InfiniiMax III Series Probes 1 InfiniiMax III Series Probes User s Guide 31 Figure 21 Slew Rates of Popular Technologies Compared to Maximum Probe Slew Rates...

Page 32: ...ate the amplifier from the probe head which allows you to operate the probe head inside a temperature chamber while the probe amplifier remains outside the chamber To ensure a high quality measurement...

Page 33: ...taken when handling probe heads used during extreme temperature cycling because this process makes the probe heads less robust CAUTION Secure the ends of the extension cable near the probe head in the...

Page 34: ...re that if you use this probe assembly in a manner not specified the protection this product provides may be impaired WARNING Use Only Grounded Instruments Do not connect the probe s ground lead to a...

Page 35: ...tion is present CAUTION The probe cable is a sensitive part of the probe and therefore you should be careful not to damage it through excessive bending or pulling Avoid any mechanical shocks to this p...

Page 36: ...red rated current voltage and specified type normal blow time delay etc should be used Do not use repaired fuses or short circuited fuse holders To do so could cause a shock or fire hazard WARNING Cap...

Page 37: ...ponse flatness If the probe s pulse response shows a top that is not flat check for the following Output of probe must be terminated into a proper 50W termination If you are using the probe with an In...

Page 38: ...g equipment Name and address of owner Product model number for example N2830A Product Serial Number for example MYXXXXXXXX Description of failure or service required 3 Protect the probe by wrapping in...

Page 39: ...e Probe Heads 71 Soldering Tips 73 This chapter describes the various probe heads The probe configurations are listed in the order of the best performance to the least performance in terms of bandwidt...

Page 40: ...A 8 N7001A 13 N7002A 16 N7003A 20 32 fF 44 fF Single ended signals only Solder in hands free connection when physical size is critical Extremely low loading measurement with N5440A 47A ZIF tips Hard t...

Page 41: ...Solder in hands free connection N2848A QuickTip Head Refer to page 65 N2830A 4 N2831A 8 N2832A 12 N7000A 8 N7001A 13 N7002A 16 N7003A 16 340 fF 200 fF Differential and Single ended signals InfiniiMod...

Page 42: ...nal standards It is implemented such that from DC to approximately 1 kHz the termination is 55 Ohms to the termination voltage and above approximately 10 kHz the termination is 50 Ohms to 0 9 times th...

Page 43: ...ecting these cables to the N5444A probe head you must first remove the supplied rigid cables of the N5444A probe head Figure 24 on page 43 shows the N5448B cables attached to the N5444A probe head Fig...

Page 44: ...N5444A an SMA shorting adapter Keysight part number 1250 3999 is required This adapter is provided with the N5444A with unit serial number US50072545 or higher and should be connected to the N5444A s...

Page 45: ...ext Table 9 Bandwidth Probe Amplifier BW Probe Amplifier BW N2830A 4 GHz N7000A 8 GHz N2831A 8 GHz N7001A 13 GHz N2832A 13 GHz N7002A 16 GHz N7003A 20 GHz Table 10 Available ZIF Tips ZIF Tip Descripti...

Page 46: ...which properly captures the response Increasing the spacing to 250 mil degrades the performance some but PrecisionProbe can be used to compensate or qualify the effect Figure 25 Proper Position of Res...

Page 47: ...le holding the plastic form form the ZIF tip wires to match the DUT s pitch and angle 4 Flux the ZIF tip wires and DUT leads 5 Position the ZIF tip with the gold traces facing up as shown in Figure 28...

Page 48: ...ZIF tip 1 Add strain relieve for the ZIF probe head as described in Strain Relieving the Probe Heads on page 71 2 Form the coaxial cables to bring the probe head near the tip Press the lever down on...

Page 49: ...red to the DUT Then simply connect the ZIF head to another ZIF tip at a different location on the DUT CAUTION Stop if you encounter any resistance at all when sliding the probe head over the ZIF tip C...

Page 50: ...50 InfiniiMax III Series Probes User s Guide 2 Using InfiniiMax III Probe Heads Figure 32 Probe Oriented Perpendicular to Device...

Page 51: ...InfiniiMax III Differential Browser Head Using the LED headlights The browser s tip includes an LED headlight that illuminates the probing area for better visibility The headlight intensity can be con...

Page 52: ...34 Headlight Intensity from N7000 1 2 3A Light Button or Dialog Box Adjusting the tip span Turn the browser s thumb wheel see Figure 35 to adjust the tip spacing from 20 to 125 mil 0 5 mm to 3 1 mm D...

Page 53: ...er s tip span for your measurement 2 Locate the tip span gauge on the browser s protective cap as shown in Figure 36 3 Determine which of the three possible tip span settings most closely matches the...

Page 54: ...mproper Probe Handling CAUTION To avoid damaging the browser s tips do not apply a side load to the browser CAUTION Do not apply too much force when browsing The weight of the probe in your hand shoul...

Page 55: ...ps maintain solid contact Use the following steps to position the probe using the N2787A 1 Lock the vertical compliance of the probe positioner 2 Clamp the browser into the positioner aligning the bro...

Page 56: ...56 InfiniiMax III Series Probes User s Guide 2 Using InfiniiMax III Probe Heads Figure 41 Using the Browser with the N2787A 3D Probe Positioner...

Page 57: ...250 test cycles Replaceable parts Extra wire for solder in probe head only 01169 81301 7 mil 01169 21306 5 mil Table 13 Bandwidth Probe Amplifier BW Probe Amplifier BW N2830A 4 GHz N7000A 8 GHz N2831...

Page 58: ...F probe tips used with the N5439A probe head 1 Position the probe head near the location on the DUT where you want to solder the probe 2 Add strain relieve for the probe head as described in Strain Re...

Page 59: ...59 Figure 44 Applying Flux to Leads and Wires 7 Position the probe head wires on the DUT leads and quickly re flow the solder as shown in Figure 45 Figure 45 Positioning Wires CAUTION Do not leave th...

Page 60: ...de refer to To Use InfiniiMode on page 22 The ground leads have minimal effect on differential measurements However if you are making only differential measurements you can optionally cut off the grou...

Page 61: ...Using InfiniiMax III Probe Heads 2 InfiniiMax III Series Probes User s Guide 61 Figure 46 Probe Head Connection to DUT InfiniiMode...

Page 62: ...er to achieve the proper response as shown in the performance plots keep the mini axial lead resistors roughly parallel as shown in Figure 48 and use the tip wires on the mini axial leads to get the d...

Page 63: ...very similar to that for the ZIF probe tips used with the N5439A probe head This procedure does not show soldering the ground leads but the same techniques are used 1 Apply flux to your target leads...

Page 64: ...ads Figure 51 Applying Flux to Leads and Wires 5 Position the probe head wires on the DUT leads and quickly re flow the solder as shown in Figure 52 Figure 52 Positioning Wires CAUTION Do not leave th...

Page 65: ...of a differential signal and a ground No latch lever is used Figure 53 Magnet Connections in Probe Head Extreme temperature environments such as temperature chambers Permanently solder any number of Q...

Page 66: ...s you can optionally cut off the ground leads or fold them out of the way Be aware that without the ground leads the mechanical stability of the QuickTip will be reduced and you will need to stabilize...

Page 67: ...ip head to the tip use the tack putty N5439 65201 included with the N2848A QuickTip probe head or the N2787A 3D probe positioner for securing the probe amplifier to a rigid body near the DUT NOTE For...

Page 68: ...tic connections in the head become dirty clean the connections using the following steps 1 Use compressed air or a cloth to remove any loose dirt 2 Gently rub a small piece of tack putty supplied with...

Page 69: ...Probe Heads Included in the N2835A Differential Connectivity Kit not to scale Table 16 Supplied Accessories Sheet 1 of 2 Description Qty Supplied Part Number N2836A InfiniiMax III 26 GHz Differential...

Page 70: ...70 InfiniiMax III Series Probes User s Guide 2 Using InfiniiMax III Probe Heads Ground Blades 4 N5445 68700 Table 16 Supplied Accessories Sheet 2 of 2 Description Qty Supplied Part Number...

Page 71: ...propriate for the cable stiffness For instance it is best to secure the stiffer N5439A near the SMP connectors and form the cable to the optimal location Tack putty Keysight recommends the use of tack...

Page 72: ...also be used to support your probe amplifier as shown in Figure 41 on page 56 Low temperature hot glue You can also use low temperature hot glue to secure cables Figure 59 Probe Secured Using Low Tem...

Page 73: ...led soldering iron station if possible Set the temperature of the soldering iron s tip to between 370 C and 420 C for non RoHS standards Use the smallest tip possible Use an optical aid of some sort m...

Page 74: ...74 InfiniiMax III Series Probes User s Guide 2 Using InfiniiMax III Probe Heads...

Page 75: ...with replaceable resistor or wire tips which can be replaced or repaired Using the procedures in this chapter you can extend the life of the following items N2836A probe heads N5441A probe heads N2838...

Page 76: ...board 0 381 mm 0 015 in diameter RMA flux standard tin lead solder wire Fine stainless steel tweezers Rosin flux pencil RMA type Kester 186 or equivalent Diagonal cutters Magnifier or low power micro...

Page 77: ...come free of the probe head tip Figure 62 Removing the Resistor NOTE Clean the soldering iron tip of any excess solder before using NOTE The solder joint has very low thermal mass so the joint will qu...

Page 78: ...he leads to match the drawing This bend fits in the hole in the tip s PC board Figure 63 Trim Guage 6 Holding the resistor lead or wire in one hand and soldering iron in the other position the end of...

Page 79: ...ing Probe Heads 3 InfiniiMax III Series Probes User s Guide 79 8 Using a digital volt meter measure the resistance from the coax center conductor to the resistor tip The DC resistance should measure 4...

Page 80: ...kel wires 01169 81301 0 005 inch tin plated nickel wires 01169 21306 Table 18 Recommended Equipment Equipment Vise or clamp for holding tip Metcal STTC 022 600 C or STTC 122 700 C tip soldering iron o...

Page 81: ...e Probe Head 2 As shown in Figure 66 remove the old wires with tweezers while re flowing the solder from the underside of the probe Figure 66 Removing the Old Wire 3 If necessary add a small amount of...

Page 82: ...w the solder from the underside and insert a new piece of wire It is best to shape the wire into an L before attempting to insert Figure 68 Adding a New Wire Figure 69 New Wires Properly Attached 5 Tr...

Page 83: ...Use the included trim gauge to cut the wire lengths Doing so ensures the best performance from your probe head Figure 71 Trim Gauge Placed on Wires Figure 72 Removing Excess Wire 7 Check the DC resis...

Page 84: ...84 InfiniiMax III Series Probes User s Guide 3 Maintaining Probe Heads...

Page 85: ...be instructed to connect the probe head to either of the following oscilloscope outputs Front panel Probe Comp terminals Aux Out BNC connector or Cal Out connector using the N5443A Calibration Deskew...

Page 86: ...Out connector for the calibration If you are using the Probe Comp touch the probe head s leads to the Probe Comp terminals If you are using the Cal Out or Aux Out connector use the N5443A fixture as s...

Page 87: ...s Guide 87 Figure 74 Attaching the N5443A Fixture Figure 75 Tighten to 8 in lbs Figure 76 Inserting the Probe Head e Form the N5439A probe head ZIF tip wires as shown Figure 77 If you are using the br...

Page 88: ...ming the Probe Head s Tip f Connect the probe head s two lead cables to the probe amplifier as shown in Figure 78 Figure 78 Connect the Head to the Probe g Position the probe head wires if you are usi...

Page 89: ...at the wires are connected correctly press the oscilloscope s autoscale button and confirm that a stable step on screen You will need to re open the Probe Calibration dialog box CAUTION When connectin...

Page 90: ...gnal Path Ground and Clamps Figure 81 Clamping the Probe Head s Leads NOTE If you are using the browser probe head it is recommended that you use the N2787A 3D Probe Positioner to hold the browser in...

Page 91: ...alibration Deskew Procedure 4 InfiniiMax III Series Probes User s Guide 91 5 In the Probe Calibration dialog box start the calibration 6 When the calibration has completed perform the skew calibration...

Page 92: ...92 InfiniiMax III Series Probes User s Guide 4 Calibration Deskew Procedure...

Page 93: ...6 N7000 1 2 3A Probe Amplifier Specifications and Characteristics 97 N7000 1 2 3A Probe Head Characteristics 99 Environmental 100 Safety and Regulatory Information 101 Probe Dimensions 102 Probe Heads...

Page 94: ...c Input Resistance 10 KHz Rse 500W 2 each input to ground Rdiff 1 kW Rcm 250W 50W to 0 901 Vterm Input Voltage Range Differential or Single Ended 2 5 Vpp or 1 25V 5 1 attenuation 5 0 Vpp or 2 50V 10 1...

Page 95: ...n 21 8 nV rt Hz CM 10 1 attenuation 38 4 nV rt Hz Input Referred Noise Example 4 5 mVrms in diff mode 5 1 attenuation with 18 GHz probe head and N2832A 13 GHz probe amplifier 4 5 mVrms in diff mode 5...

Page 96: ...GHz 33 4 ps 23 7 ps N2838A 450W ZIF 95 fF 130 fF Differential Single Ended Common 13 GHz 33 4 ps 23 7 ps N5447A 200W ZIF Not compatible with N2830 1 2A probes N5445A 450W Browser 35 fF 50 fF Differen...

Page 97: ...racteristic Input Resistance 10 kHz Rse 500W 2 each input to ground Rdiff 1 kW Rcm 250W 50W to 0 901 Vterm Input Voltage Range Differential or Single Ended 2 5 Vpp or 1 25V 5 1 attenuation 5 0 Vpp or...

Page 98: ...n 21 8 nV rt Hz CM 10 1 attenuation 38 4 nV rt Hz Input Referred Noise Example 4 5 mVrms in diff mode 5 1 attenuation with 18 GHz probe head and N7001A 13 GHz probe amplifier 4 5 mVrms in diff mode 5...

Page 99: ...ps N2838A 450W ZIF 95 fF 130 fF Differential Single Ended Common 20 GHz 21 7 ps 15 4 ps N5447A 200W ZIF Not compatible with N7000 1 2 3A probes N5445A 450W Browser 35 fF 50 fF Differential Single Ende...

Page 100: ...to 70 C Humidity up to 95 relative humidity non condensing at 40 C up to 90 relative humidity at 65 C Altitude Up to 4 600 meters Up to 15 300 meters Power Requirements Voltages supplied by Keysight...

Page 101: ...Protection Use Period EPUP for the product s toxic substances for the China RoHS requirements The CE mark is a registered trademark of the European Community ISM GRP 1 A denotes the instrument is an...

Page 102: ...102 InfiniiMax III Series Probes User s Guide 5 Specifications and Characteristics Probe Dimensions Figure 82 N2830 1 2A Probe Dimensions Figure 83 N7000 1 2 3A Probe Dimensions...

Page 103: ...iMax III Series Probes User s Guide 103 Probe Heads Dimensions All dimensions included in this section are in millimeters inches N2836A InfiniiMax III Solder in Head Dimensions N2838A InfiniiMax III P...

Page 104: ...104 InfiniiMax III Series Probes User s Guide 5 Specifications and Characteristics N2848A InfiniiMax III QuickTIp Probe Head with N2849A QuickTip Dimensions...

Page 105: ...ifications and Characteristics 5 InfiniiMax III Series Probes User s Guide 105 N5440A N5447A InfiniiMax III Ceramic ZIF Tip with N5439A ZIF Head Dimensions N5441A InfiniiMax III Solder in Head Dimensi...

Page 106: ...106 InfiniiMax III Series Probes User s Guide 5 Specifications and Characteristics...

Page 107: ...ysight InfiniiMax III Series Probes User s Guide 6 Performance Plots InfiniiMax III Probe System Responses 108 N2848A QuickTip Head with N2849A QuickTip 111 N2836A Solder In Probe Head Flat Orientatio...

Page 108: ...rrection filter that includes the probe head probe amplifier and oscilloscope channel This provides the maximum measurement accuracy for the complete probe and scope channel system Since there are so...

Page 109: ...oduction of the signal The reflection at 1 5 ns twice the electrical length of the probe head is very small indicating that the probe amplifier input termination is good The measure of the quality of...

Page 110: ...system N2832A probe measuring a 6 6 GHz signal This ratio can be used to determine the measurement bandwidth needed for other bandwidth signals for a 3 rise time measurement error This equation can b...

Page 111: ...Performance Plots 6 InfiniiMax III Series Probes User s Guide 111 N2848A QuickTip Head with N2849A QuickTip Figure 87 Input Impedances Modeled and Measured...

Page 112: ...112 InfiniiMax III Series Probes User s Guide 6 Performance Plots N2836A Solder In Probe Head Flat Orientation Figure 88 Input Impedances Modeled and Measured...

Page 113: ...Series Probes User s Guide 113 Figure 89 Common Mode Rejection Ratio CMRR of N2836A Solder In Probe Head with N2832A Probe Amplifier Figure 90 Common Mode Rejection Ratio CMRR of N2836A Solder In Prob...

Page 114: ...114 InfiniiMax III Series Probes User s Guide 6 Performance Plots...

Page 115: ...er is of the probe by itself Keysight high performance real time scopes and sampling scopes under certain conditions will apply probe correction that will further enhance the performance of the probes...

Page 116: ...connectors at reference planes If 2 4 mm or 1 85 mm test port cables are used the following Keysight adapters can be used to convert to 2 92 mm male connectors 11904A 2 4 mm m to 2 92 mm m 11904D 2 4...

Page 117: ...y then select S12 to display Configure the following settings for S12 Scale 3 dB div Reference Level 0 dB Reference Position 5 divisions Procedure 1 Calibrate the PNA to the two male 2 92 mm connector...

Page 118: ...118 InfiniiMax III Series Probes User s Guide 7 Performance Verification for N2830A Series Probes Figure 92 Test Setup for Measuring Vin of Probe...

Page 119: ...pincher and the other wire under one of the side pincher Either polarity of the probe can be tested and will yield the same results but opposite phase if the probe is working properly Figure 93 on pag...

Page 120: ...er the VNA to perform a single sweep Press Trigger under Channel Setup and then the green soft key for Single Display should look like Figure 94 on page 121 If it looks noticeably different the probe...

Page 121: ...stone File 5062 1247 N5477A on page 129 Name the file Adapter_5062_1247___Adapter_N5477A s2p b Go to menu Calibration Fixturing Selections 2 Port De embedding and select Port 1 c Set S2P file selectio...

Page 122: ...122 InfiniiMax III Series Probes User s Guide 7 Performance Verification for N2830A Series Probes Figure 95 Test Setup to Measure Vout of Probe...

Page 123: ...ng contact under the pincher 15 Under menu Trace Math Memory select Data Memory in the Data Math box a This will divide the current trace de embedded vout trace by the memory trace de embedded vin tra...

Page 124: ...124 InfiniiMax III Series Probes User s Guide 7 Performance Verification for N2830A Series Probes Figure 97 De Embedded Vout Vin Response of the Probe...

Page 125: ...9545 56 504223 102 747003 93155686 478363 54 688270 15 600999 0 022057 7 783797 0 021424 7 788273 55 536632 95 350174 95327507 100664 55 335875 16 745463 0 022606 7 963581 0 022589 7 960934 54 662417...

Page 126: ...7 111578 0 072545 37 175224 50 397815 8 680461 456899922 370640 47 396507 5 107440 0 077071 37 989362 0 073385 38 033366 49 671733 15 929710 467552032 952879 46 077313 2 865178 0 082064 38 861189 0 07...

Page 127: ...5 30 565645 179 635901 0 213505 136 435012 0 206057 136 409120 32 473140 17 052285 2757481368 440050 30 888540 178 123883 0 212627 131 244547 0 206352 131 171938 32 817005 22 286160 2821768961 908402...

Page 128: ...618535 149 541717 16 084639 35 440127 15176395208 538778 15 236915 119 431135 0 647631 177 960047 0 644491 178 030288 15 352338 57 340933 15530215885 859812 15 065709 154 592735 0 660264 153 014482 0...

Page 129: ...140925 43 915463 49 916947 93155686 478363 43 109997 18 498792 0 028990 18 533275 0 037609 18 558673 44 095114 48 661763 95327507 100664 43 196804 18 513859 0 029683 18 954760 0 038066 18 986161 44 2...

Page 130: ...0640 47 449942 71 123890 0 065692 89 836182 0 062537 89 798743 43 791267 78 341637 467552032 952879 47 893175 73 737398 0 066647 91 922680 0 064540 91 886196 44 025196 82 906526 478452485 577434 48 37...

Page 131: ...537 0 156978 168 048778 36 249962 178 210754 2757481368 440050 39 422884 2 583521 0 164647 179 606122 0 161087 179 631849 37 343959 156 503655 2821768961 908402 39 133671 1 474377 0 165444 167 036538...

Page 132: ...59061 24 467266 31 213945 112 794665 15176395208 538778 34 741710 147 020941 0 355504 92 320829 0 355349 92 263858 34 766455 150 931616 15530215885 859812 35 300395 87 230844 0 357092 161 686627 0 354...

Page 133: ...on page 116 procedure No substitute Probe Positioner Keysight N2787A 3D Probe Positioner Critical specification stable accurate positioning Small Bench Vise Measuring Input Resistance of N2836A Probe...

Page 134: ...s under the pincher Release the pincher once the tips are inserted 6 As shown in Figure 98 measure the DC input resistance between the banana plugs Since one tip wire is connected to the signal line a...

Page 135: ...ight InfiniiMax III Series Probe Model Number Tested by Serial Number Work Order Number Recommended next test date Date Table 26 Test Results Test with Probe Heads only required to test one Test Limit...

Page 136: ...136 InfiniiMax III Series Probes User s Guide 7 Performance Verification for N2830A Series Probes...

Page 137: ...igh performance real time scopes and sampling scopes under certain conditions will apply probe correction that will further enhance the performance of the probes NOTE Due to the very high frequency of...

Page 138: ...d to provide male 2 92 mm connectors at reference planes If 2 4 mm or 1 85 mm test port cables are used the following Keysight adapters can be used to convert to 2 92 mm male connectors 11904A 2 4 mm...

Page 139: ...mination for the probe amplifier output 2 Clear all traces from display then select S12 to display Configure the following settings for S12 Scale 3 dB div Reference Level 0 dB Reference Position 5 div...

Page 140: ...fication for N7000 Series Probes 3 Connect the APC 3 5 f f adapter provided with the N5443A PV fixture to the N5443A as shown in Figure 101 Use a small bench vise to steady the N5443A PV fixture on th...

Page 141: ...incher and carefully insert one wire under the center pincher and the other wire under one of the side pincher Either polarity of the probe can be tested and will yield the same results but opposite p...

Page 142: ...tion menu select Fixturing ON off to turn on de embedding Figure 102 Close Up of Tip Wires Positioned Under Pincher 10 Trigger the VNA to perform a single sweep Press Trigger under Channel Setup and t...

Page 143: ...ile Adapter_5062_1247___Adapter_N5477A s2p This is the same file that is used in Chapter 7 for the performance verification of N2830A series probes b Go to menu Calibration Fixturing Selections 2 Port...

Page 144: ...144 InfiniiMax III Series Probes User s Guide 8 Performance Verification for N7000 Series Probes Figure 104 Test Setup to Measure Vout of Probe...

Page 145: ...making contact under the pincher 15 Under menu Trace Math Memory select Data Memory in the Data Math box a This will divide the current trace de embedded vout trace by the memory trace de embedded vi...

Page 146: ...146 InfiniiMax III Series Probes User s Guide 8 Performance Verification for N7000 Series Probes Figure 106 De Embedded Vout Vin Response of the Probe...

Page 147: ...n page 138 procedure No substitute Probe Positioner Keysight N2787A 3D Probe Positioner Critical specification stable accurate positioning Small Bench Vise Measuring Input Resistance of N2836A Probe H...

Page 148: ...under the pincher Release the pincher once the tips are inserted 6 As shown in Figure 107 measure the DC input resistance between the banana plugs Since one tip wire is connected to the signal line a...

Page 149: ...ght InfiniiMax III Series Probe Model Number Tested by Serial Number Work Order Number Recommended next test date Date Table 28 Test Results Test with Probe Heads only required to test one Test Limits...

Page 150: ...150 InfiniiMax III Series Probes User s Guide 8 Performance Verification for N7000 Series Probes...

Page 151: ...z Solder In Probe Head 156 N5445A Browser Probe Head 157 N5444A SMA Probe Head 159 The SPICE models in this chapter are for the input impedances of the various Infiniimax III probes heads The input im...

Page 152: ...A_N2848A 1 2 r1 1 3 1e8 r2 2 3 1e8 r9 3 0 5e8 r_srlc2 5 7 242 9 l_srlc2 7 8 5 370n c_srlc2 8 6 52 43f r_srlc3 4 9 68 66 l_srlc3 9 10 7 669n c_srlc3 10 6 7 102f r_srlc1 4 11 245 5 l_srlc1 11 12 1 550n...

Page 153: ...s for the N5440A 28 GHz ceramic ZIF Tips on an N5439A ZIF probe head SPICE Subcircuit Data subckt N5440A_N5439A_450ohmZIF 1 2 c1 1 10 20f l1 10 11 1 5n r1 11 2 180 rp1 1 3 180 lp1 3 4 1 5n cp1 4 5 24f...

Page 154: ...head SPICE Subcircuit Data subckt N2838A_N5439A_PcbZif 1 2 Cblkp 6 13 100n Cblkn 2 14 100n Cg1p 1 4 26 1f Cg1n 5 6 26 1f Cg2p 1 10 128 4f Cg2n 12 6 128 4f Cm2 2 8 3 04f Cm3 2 3 7 05f Rg1p 4 6 67 8 Rg...

Page 155: ...p 6 13 100n Cblkn 2 14 100n Cg1p 1 4 20 7f Cg1n 5 6 20 7f Cg2p 1 10 152 2f Cg2n 12 6 152 2f Cm2 2 8 4 12f Cm3 2 3 6 46f Rg1p 4 6 52 4 Rg1n 2 5 52 4 Rg2p 9 6 142 Rg2n 2 11 142 Rm2 1 7 172 4 Rm3 1 15 67...

Page 156: ...lder In Probe Head SPICE Subcircuit Data subckt N5441A_SldrIn 1 2 c1 1 10 50f l1 10 11 2 1n r1 11 2 65 rp1 1 3 65 lp1 3 4 2 5n cp1 4 5 55f cp2 5 6 100n rp2 6 1 500 rp3 5 1 50k cm1 2 7 55f lm1 7 8 2 5n...

Page 157: ...2 3n r1 11 2 150 rp1 1 3 150 lp1 3 4 2 3n cp1 4 5 30f cp2 5 6 100n rp2 6 1 500 rp3 5 1 50k cm1 2 7 30f lm1 7 8 2 3n rm1 8 5 150 cm2 2 9 100n rm2 9 5 500 rm3 2 5 50k rom 5 0 40 lom 5 0 30u ends SPICE S...

Page 158: ...ubcircuit Data 3 mm span subckt N5445A_Brwsr3mmSpn 1 2 c1 1 10 20f l1 10 11 2 3n r1 11 2 300 rp1 1 3 300 lp1 3 4 2 3n cp1 4 5 30f cp2 5 6 100n rp2 6 1 500 rp3 5 1 50k cm1 2 7 30f lm1 7 8 2 3n rm1 8 5...

Page 159: ...4 5p t14 14 0 15 0 z0 50 1144 td 4 5p t15 15 0 16 0 z0 51 9126 td 4 5p t16 16 0 17 0 z0 51 1671 td 4 5p t17 17 0 18 0 z0 48 7858 td 4 5p t18 18 0 19 0 z0 49 7704 td 4 5p t19 19 0 20 0 z0 54 9662 td 4...

Page 160: ...160 InfiniiMax III Series Probes User s Guide 9 SPICE Models...

Page 161: ...sions 100 103 probe amp 102 DUT connecting to 18 ungrounded 25 E E2655C PV fixture 32 Electrostatic discharge 16 environmental conditions 100 ESD 16 ESD wrist strap 16 Extreme Temperature Extension Ca...

Page 162: ...plifier dialog box 51 probe calibration 85 Probe Comp terminals 85 Probe Configuration Setup dialog box 24 probe head dimensions 103 probe leads 22 Probe Offset dialog box 27 putty 71 PV fixture E2655...

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