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Tektronix TAP2500, Инструкция по эксплуатации

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Calibration

Calibration

The probe calibration routine minimizes your measurement errors by optimizing the gain and offset of the probe and oscilloscope
combination. We recommend that you repeat the probe calibration on each channel that you use. Individual calibration constants
are stored for each probe on each channel.

Prerequisites

The equipment must be warmed up for 20 minutes, and the calibration status of the host instrument must be pass.

Required equipment

The required equipment for calibration is the same as for the functional check. (See page 6,

Required equipment

.)

8

TAP2500, TAP3500, and TAP4000 Instruction Manual

Содержание TAP2500

Страница 1: ...x TAP2500 TAP3500 and TAP4000 2 5 GHz 3 5 GHz and 4 GHz Probes ZZZ Instruction Manual P071183602 071 1836 02...

Страница 2: ......

Страница 3: ...TAP2500 TAP3500 and TAP4000 2 5 GHz 3 5 GHz and 4 GHz Probes ZZZ Instruction Manual xx www tek com 071 1836 02...

Страница 4: ...ormation in this publication supersedes that in all previously published material Specifications and price change privileges reserved TEKTRONIX and TEK are registered trademarks of Tektronix Inc TekVP...

Страница 5: ...taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and...

Страница 6: ......

Страница 7: ...used in this manual xi Returning the probe for servicing xii Key features 1 Installation 2 Connecting to the host instrument 2 Probe controls and indicators 3 Functional check 6 Required equipment 6 C...

Страница 8: ...ength 30 Ground lead inductance 31 Low inductance grounding 32 SureFoot Grounding 33 Probe tip test points 34 Probe tip stabilization 35 Specifications 36 Warranted characteristics 37 Typical characte...

Страница 9: ...Table of Contents Rise time 51 Test record 59 Maintenance 60 Error condition 60 Replacement parts 60 Cleaning 61 Index TAP2500 TAP3500 and TAP4000 Instruction Manual iii...

Страница 10: ...Table of Contents iv TAP2500 TAP3500 and TAP4000 Instruction Manual...

Страница 11: ...onnect the probe reference lead to the circuit under test before connecting the probe input Disconnect the probe input and the probe reference lead from the circuit under test before disconnecting the...

Страница 12: ...u suspect that there is damage to this product have it inspected by qualified service personnel Avoid exposed circuitry Do not touch exposed connections and components when power is present Do not ope...

Страница 13: ...ons or practices that could result in damage to this product or other property Symbols and terms on the product These terms may appear on the product DANGER indicates an injury hazard immediately acce...

Страница 14: ...General safety summary The following symbol s may appear on the product viii TAP2500 TAP3500 and TAP4000 Instruction Manual...

Страница 15: ...le of rendering first aid and resuscitation is present Disconnect power To avoid electric shock switch off the instrument power then disconnect the power cord from the mains power Use care when servic...

Страница 16: ...e environment or human health if improperly handled at the product s end of life To avoid release of such substances into the environment and to reduce the use of natural resources we encourage you to...

Страница 17: ...read about Use these documents TAP2500 TAP3500 and TAP4000 Probes First Time Operation Functional Check Operating Basics Specifications Performance Verification Read this Instruction Manual In depth o...

Страница 18: ...rton having inside dimensions at least one inch greater than the probe dimensions The box should have a carton test strength of at least 200 pounds 2 Put the probe into an antistatic bag or wrap it to...

Страница 19: ...cilloscopes featuring the new Tektronix TekVPI oscilloscope interface Key features include Bandwidth DC to 2 5 GHz TAP2500 DC to 3 5 GHz TAP3500 DC to 4 GHz TAP4000 4 Volts Dynamic Range with 10 volt...

Страница 20: ...ekVPI receptacle The probe snaps when fully engaged When the probe is connected the host instrument reads information from the probe and identifies the device 2 To disconnect press the latch release b...

Страница 21: ...is powered on the multicolor Status LED Glows green after successfully completing the power on self test routine The probe is in normal operating mode Glows red if an error condition exists See page...

Страница 22: ...n to display the Probe Control screen on the oscilloscope 2 Use the touch screen buttons on the instrument to set the probe parameters 3 Press the probe Menu button again to close the Probe Control sc...

Страница 23: ...od When the operating temperature of the probe changes by 5 C 1 Press the probe Menu button to display the Probe Control screen on the oscilloscope 2 Short the probe tip to ground 3 Press the AutoZero...

Страница 24: ...ription and quantity Performance requirement Recommended example 1 Oscilloscope TekVPI Interface Tektronix DPO7000 Series Tektronix 5 Series MSO Tektronix 6 Series MSO Y Lead adapter 0 25 in square pi...

Страница 25: ...annel 2 Use the Y lead Adapter and two SMT KlipChips to connect the probe tip to the PROBE COMP terminals on the oscilloscope 3 Press AUTOSET or adjust the oscilloscope to display the calibration wave...

Страница 26: ...tion on each channel that you use Individual calibration constants are stored for each probe on each channel Prerequisites The equipment must be warmed up for 20 minutes and the calibration status of...

Страница 27: ...menu select Instrument Calibration 2 In the Calibration box check that Pass is displayed in the Status field If it is not disconnect all probes and signal sources from the oscilloscope and run the Si...

Страница 28: ...Calibration 3 Connect the probe to the oscilloscope PROBE COMP connector as shown 4 From the Vertical menu select Probe Cal 10 TAP2500 TAP3500 and TAP4000 Instruction Manual...

Страница 29: ...appears select Clear ProbeCal and then select Calibrate Probe The probe calibration routine begins When the routine completes a notifier appears Close the notifier and begin using your probe TAP2500...

Страница 30: ...formance Its small size makes it easy to handle in tight areas 1 The probe tip socket is sized to easily press onto 0 025 inch pins for direct access 2 The ground socket provides a short ground path f...

Страница 31: ...s may damage the probe tip amplifier See Figure 1 on page 14 Input Linear Dynamic Range The probe head amplifier used by the probe has a limited linear operating range To keep the input linearity erro...

Страница 32: ...Basic operation Figure 1 Dynamic and Offset Limitations 14 TAP2500 TAP3500 and TAP4000 Instruction Manual...

Страница 33: ...al probe performance See Figure 1 on page 14 NOTE See your oscilloscope manual for specific instructions on using the offset control To set the probe offset follow these steps 1 Use the vertical posit...

Страница 34: ...fset range The linear operating range is 4 V See Figure 1 on page 14 If cursors are used on the oscilloscope the zero reference will be at the probe offset voltage When you adjust the probe offset wit...

Страница 35: ...the actual number of accessories included with the probe Using standard accessories Push in probe tip Use the push in probe tip for general purpose probing by hand You can also use the push in probe t...

Страница 36: ...rs the same way as the push in probe tips Do not force the adapter Also be careful not to poke yourself with the sharp probe tip SureToe adapters can be used with any of the socketed accessory leads F...

Страница 37: ...ly move the probe to different points on the circuit under test To attach press the pogo pin into the probe head ground socket To maintain signal fidelity while probing use as short a ground path as p...

Страница 38: ...ipping and damaging the probe or circuitry under test Reorder Tektronix part number 016 1773 10 qty 10 Customizable Ground Lead You can bend or shorten this ground lead Cut the tip of the ground lead...

Страница 39: ...against a circuit board enabling you to probe in tight areas such as between circuit cards The right angle adapter can be used directly with the probe head or attached to the Y lead adapter or ground...

Страница 40: ...he ground leads for general lower frequency probing The socketed end of the leads may be connected to any of the probe tips and adapters or fitted onto 0 025 inch square pins When selecting the ground...

Страница 41: ...r ground leads Simply press the lead socket into the KlipChip handle The KlipChip body freely turns allowing better probe orientation To reduce stress and provide a lower profile on components being t...

Страница 42: ...band to the probe cable and another one of the same color near the probe compensation box 2 Connect the probe to the channel that matches the color of the band Reorder Tektronix part number 016 1315 X...

Страница 43: ...06 3415 XX Pouch nylon carrying case with inserts Use the carrying case to hold the probe the accessories and the instruction manual 1 Place the probe accessories and manual in the carrying case 2 Clo...

Страница 44: ...operating and maintaining the TAP2500 TAP3500 and TAP4000 active probes Store the instruction manual in the probe case for easy reference Tektronix part number 071 1836 XX English 071 1884 XX Japanese...

Страница 45: ...o Grabber to probe the leads on integrated circuits that are surface mounted Order Tektronix part number 013 0309 XX qty 2 SMA to Probe Tip Adapter Use the adapter to connect the probe to SMA cables a...

Страница 46: ...calibration fixture is required to do a performance verification on the probe It provides an SMA connector in the probe signal path for internal probe measurements Order Tektronix part number 067 170...

Страница 47: ...Data Report Option D3 Calibration Data Report 3 years with Option C3 Option D5 Calibration Data Report 5 years with Option C5 Option R3 Repair Service 3 years Option R5 Repair Service 5 years Manual O...

Страница 48: ...short a ground lead as possible between the probe head and circuit ground See the illustration for the effects of lead length on waveform distortion The series inductance added by the probe tip and g...

Страница 49: ...sonant frequency f0 at which this parasitic circuit will resonate with the following formula The equation shows that reducing the ground lead inductance will raise the resonant frequency If your measu...

Страница 50: ...ngth and distortion 1 Attach a small piece of copper clad on top of the package 2 Connect the copper clad to the package ground connection 3 Use the low inductance ground lead to keep the ground lead...

Страница 51: ...est using a SureFoot adapter 1 Connect a short ground lead to the probe 2 Attach a SureFoot adapter at the end of the ground lead 3 Connect the SureFoot adapter directly to the package ground This met...

Страница 52: ...tip to take a measurement 3 Pull the probe head off when you are done Quick tip The probe tip may be removed and reused by desoldering it from the circuit and soldering it into another circuit in the...

Страница 53: ...ress the probe onto the header pin 2 Insert the stabilizing notch of the probe onto an adjacent pin This prevents unnecessary force from being applied directly to the probe tip or pins The signal grou...

Страница 54: ...and oscilloscope must have a warm up period of at least 20 minutes and be in an environment that does not exceed the limits described See Table 1 The Signal Path Compensation SPC has been run on the...

Страница 55: ...Table 1 Warranted electrical characteristics Characteristic Description DC attenuation accuracy probe only 10 1 2 excludes offset error Rise time probe only 140 ps TAP2500 130 ps TAP3500 Temperature...

Страница 56: ...DC to 4 GHz TAP4000 Input resistance 40 k Input capacitance 0 8 pF Input signal range 4 0 V to 4 0 V Input offset range 10 0 V to 10 0 V Output Zero 10 mV or less displayed on screen Maximum non dest...

Страница 57: ...Specifications Figure 2 TAP2500 Typical bandwidth TAP2500 TAP3500 and TAP4000 Instruction Manual 39...

Страница 58: ...Specifications Figure 3 TAP3500 Typical bandwidth 40 TAP2500 TAP3500 and TAP4000 Instruction Manual...

Страница 59: ...Specifications Figure 4 TAP4000 Typical bandwidth TAP2500 TAP3500 and TAP4000 Instruction Manual 41...

Страница 60: ...Specifications Figure 5 Typical input impedance and phase versus frequency 42 TAP2500 TAP3500 and TAP4000 Instruction Manual...

Страница 61: ...box 107 mm 41 mm 26 mm 4 2 in 1 6 in 1 0 in Dimensions probe head 19 43 mm 3 30 mm 7 6 mm 0 765 in 0 130 in 0 300 in Dimensions cable length 1 3 m 51 in from the probe head to the compensation box Un...

Страница 62: ...s do not have tolerance limits Table 4 Nominal electrical characteristics Characteristic Description Input coupling DC Termination Terminate output into 50 Compatibility Oscilloscopes equipped with th...

Страница 63: ...nded example 1 Oscilloscope TekVPI Interface Tektronix DPO7000 Series Tektronix 6 Series MSO Sampling oscilloscope 12 5 GHz bandwidth Tektronix TDS8000 Series Tektronix DSA8300 Sampling module 12 5 GH...

Страница 64: ...0 SMA cable 2 Male to Male SMA cable 012 0649 00 Precision termination 50 0 1 0 5 W 011 0129 00 Y Lead adapter 0 25 in square pins for probe tip connections 196 3457 xx 2 SMT KlipChip adapters 2 0 25...

Страница 65: ...Verification adapter to the oscilloscope 3 Connect the probe to the TekVPI Calibration Verification adapter and verify that the Status LED on the probe turns green 4 Turn on the remaining test equipme...

Страница 66: ...ut 2 Connect the SMA M to BNC F adapter to the SMA output of the TekVPI Calibration Verification adapter 3 Connect the precision termination to the BNC end of the SMA M to BNC F adapter 4 Connect the...

Страница 67: ...6 Connect the Y lead adapter and KlipChip adapters to the probe input 7 Attach the KlipChip adapters to the BNC to dual banana adapter connected to the DC voltage source Make sure the polarity is corr...

Страница 68: ...est record 13 Set the DC voltage source to 1 00 VDC 14 Record the DMM measurement in the test record NOTE An unacceptable error value may result if a precision 50 termination is not used for the recom...

Страница 69: ...t rise time signal source A second 80E0X sampling head is used to take the measurements Although the following procedure assigns the TDR and measurement functions to specific oscilloscope channels any...

Страница 70: ...ead to Channel1 of the sampling oscilloscope 2 Connect the 80E0X sampling head to Channel8 of the sampling oscilloscope 3 Connect SMA cables to Channels 1 and 8 4 Connect the SMA cable from Channel 1...

Страница 71: ...5 Remove the 50 termination from the HF Probe Tip adapter and connect the SMA cable from Channel 8 to the adapter 6 Turn on Channel 8 and set the vertical scale to 50 mV div TAP2500 TAP3500 and TAP40...

Страница 72: ...on TDR Preset sets Internal Clock in the Trigger menu turns on the TDR Step in the TDR Setups menu turns on the channel and selects the acquisition Units in the TDR Setups menu and sets the horizontal...

Страница 73: ...enter the waveform NOTE Do not touch the HF Probe Tip adapter when making calibration measurements Measurement accuracy is degraded when the probe tip adapter is handled 13 Use the oscilloscope measur...

Страница 74: ...and reconnect the 50 SMA termination to the adapter 15 Connect the SMA cable from Channel 8 of the sampling oscilloscope to the SMA connector on the TekVPI Calibration Verification adapter 16 Connect...

Страница 75: ...horizontal scale to locate the step edge Set the vertical scale to 5 mV div and adjust horizontal range to 100 ps div while maintaining the edge view For a more stable measurement display turn averag...

Страница 76: ...if available Rise time is determined from the 10 and 90 amplitude points on the waveform Record the rise time as ts p 21 Using the test system rise time ts that you measured in step 13 and the test sy...

Страница 77: ...Date of Calibration Technician Performance test Source voltage Minimum Measured Calculated Maximum 1 00 VDC 98 mV NA 102 mV DC Gain Accuracy 1 00 VDC 102 mV NA 98 mV Rise Time TAP2500 TAP3500 TAP4000...

Страница 78: ...rk properly If the Status LED glows red during or after probe power on an internal probe diagnostic fault exists Disconnect and reconnect the probe to restart the power on diagnostic sequence If the S...

Страница 79: ...e the probe Avoid using chemicals that contain benzine benzene toluene xylene acetone or similar solvents Clean the exterior surfaces of the probe with a dry lint free cloth or a soft bristle brush If...

Страница 80: ...Maintenance 62 TAP2500 TAP3500 and TAP4000 Instruction Manual...

Страница 81: ...lecting length 30 I Indicators 3 L LED Status 3 M Maintenance 60 Menu Button 4 O Offset 15 Options 29 P Performance verification 45 equipment required 45 equipment setup 47 Probe controls and indicato...

Страница 82: ...Index T TekVPI 2 Test record 59 64 TAP2500 TAP3500 and TAP4000 Instruction Manual...

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