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Probing principles

Probing principles

Follow these helpful hints to make probing easier and noise free.

Ground lead length

When you are probing a circuit, you should
always use as 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 ground lead can result in a resonant
circuit; this circuit may cause parasitic ringing
within the bandwidth of your oscilloscope.

TPR1000 and TPR4000 User Manual

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Содержание TPR1000

Страница 1: ...x TPR1000 and TPR4000 Active Power Rail Probes ZZZ User Manual P077154200 077 1542 00 ...

Страница 2: ......

Страница 3: ...TPR1000 and TPR4000 Active Power Rail Probes ZZZ User Manual xx www tek com 077 1542 00 ...

Страница 4: ...formation 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 TekVPI is a trademark of Tektronix Inc Contacting Tektronix Tektronix Inc 14150 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA For product information sales service and technical support In North ...

Страница 5: ...s 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 care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service...

Страница 6: ......

Страница 7: ...ecting to the host instrument 2 Probe controls and indicators 2 Functional check 4 Required equipment 4 Basic operation 6 Required oscilloscope software versions 6 Probe input 6 Probe offset 7 Connect MMCX accessories 7 Connect solder in accessories 7 Using the solder pin installation tool 8 Using the tripod 9 Using the optional browser 9 Accessories and options 11 Standard accessories 11 Optional...

Страница 8: ... setup 27 Check the DC gain accuracy 29 Check the DC input dynamic range 31 Check the input offset range and scale accuracy 32 Check the analog bandwidth 33 Test record 34 Maintenance 35 Error condition 35 Replacement parts 35 Cleaning 35 Index ii TPR1000 and TPR4000 User Manual ...

Страница 9: ...erly grounded power outlet Inspect the probe and accessories Before each use inspect probe and accessories for damage cuts tears or defects in the probe body accessories or cable jacket Do not use if damaged High temperature probe tips WARNING To prevent a burn injury when using a solder micro coax or flex tip in a high temperature application be sure to allow the tip to cool down before handling ...

Страница 10: ...s or practices that could result in damage to this product or other property Symbols and terms on the product When this symbol is marked on the product be sure to consult the manual to find out the nature of the potential hazards and any actions which have to be taken to avoid them This symbol may also be used to refer the user to ratings in the manual The following symbol s may appear on the prod...

Страница 11: ...quipment recycling Production of this equipment required the extraction and use of natural resources The equipment may contain substances that could be harmful to the 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 recycle this product in an appropr...

Страница 12: ... this manual The following icon is used throughout this manual to indicate a step sequence Returning the probe for servicing If your probe requires servicing you must return the probe to Tektronix If the original packaging is unfit for use or not available use the following packaging guidelines Preparation for shipment 1 Use a corrugated cardboard shipping carton having inside dimensions at least ...

Страница 13: ...ineers in the high speed μP low power mobile and switched mode power supply markets The probes are designed to offer the lowest noise with high bandwidth at 60 V offset flexible connectivity options to cover customers challenges and software packages to cover the digital power management market Theory of operation The block diagram shows the major circuit blocks or modules in the TPR1000 and TPR40...

Страница 14: ... BW Limit 1 mVp p noise on 6 Series MSO Full Bandwidth Input impedance 50 kΩ DC to 10 Hz 50 Ω AC 100 kHz Temperature range at tip 6 40 to 85 C standard accessories 40 to 155 C high temperature cable option Offset 60 V offset range Offset setting error Max 2 of setting value 2 5 mV Typical 0 1 2 5 mV after SPC and Probe Zero 1 Due to software incompatibilities between the TPR1000 and TPR4000 probes...

Страница 15: ...tional high temperature accessories 2 Operating 55 to 155 C 67 to 311 F Humidity operating and nonoperating 5 95 RH tested up to 40 C 104 F 5 85 RH tested above 40 C 104 F Altitude Operating Up to 3000 meters 9 843 feet Nonoperating Up to 12 000 meters 39 370 feet Dynamics random vibration Operating 5 to 500 Hz 2 66 gRMS Nonoperating 5 to 500 Hz 3 48 gRMS 1 Operation temperature when using the sta...

Страница 16: ...tachment or removal SMA to SMA standard cable standard accessory SMA to MMCX standard cable standard accessory SMA to MMCX high temperature cable optional accessory 1 GHz browser probe cable optional accessory 3 To disconnect press the latch release button and pull away from the instrument Probe controls and indicators Status LED When the probe is powered on the multicolor Status LED A solid green...

Страница 17: ...in to close the Probe Control screen AutoZero We recommend that you run the probe AutoZero routine After the 20 minute warm up period 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 button on the instrument to execute the AutoZero routine TPR1000 and...

Страница 18: ...Tektronix 4 Series MSO Tektronix 5 Series MSO Tektronix 6 Series MSO SMA cable 1 3 m cable SMA male to SMA male 50 Ω Cable included in standard accessory kit TPR4KIT Sine wave generator Frequency 10 Mhz Amplitude 1 Vpp Offset 1 Vpp Figure 1 Functional check connection diagram 1 Connect the probe to the oscilloscope and a function generator as detailed in the connection diagram See Figure 1 2 If th...

Страница 19: ...litude 1 V offset and the function to a 10 MHz sine wave 5 The instrument should show a 1 Vpp sine wave on the screen centered around 1 V 6 Open the vertical channel menu and change the coupling mode to DC reject 7 Set the vertical offset to 0 V 8 Confirm that the signal is centered around 0 V TPR1000 and TPR4000 User Manual 5 ...

Страница 20: ...s of oscilloscope software However older software versions than those listed are not guaranteed to provide full probe functionality Probe input The probe is electrically protected against static voltage However applying voltages above its design limits may damage the probe tip amplifier See Figure 2 on page 6 Input Linear Dynamic Range The probe head amplifier used by the probe has a limited linea...

Страница 21: ...he probe not the 60 V offset range of the probe However when you apply up to 60 V to the probe input the probe offset control can zero this offset NOTE If the signal on the screen displays an offset that is either 1 Volt higher or lower than expected check to make sure the DUT is connected and operating This is a result of the input to the LF amplifier being clamped at one extreme of the dynamic r...

Страница 22: ...he solder pins use the supplied soldering aide tool as described below NOTE The solder pins are extremely small and can be challenging to handle It is recommended to use tweezers and a magnifying tool when installing pins on a circuit board 1 Carefully insert the solder pins into the soldering aide tool as shown below 2 Use the soldering aide tool to hold the solder pins in place while soldering t...

Страница 23: ...e ground must be connected to the same potential as the chassis ground of the oscilloscope Installing ground leads To obtain accurate measurements always attach a ground lead to the probe tip before making measurements It is recommended that you use the shortest ground lead that will function in your electrical application The following illustration shows the browser probe tip the tip cover and th...

Страница 24: ...ns Replacing browser tip pins To remove the browser tip pin use pliers to grasp the pin and gently pull it out of the tip housing To install a new browser tip pin select between a solid silver colored or spring loaded gold colored pin and then use pliers to gently insert the pin into the browser tip housing until you feel the pin press against the bottom of the housing 10 TPR1000 and TPR4000 User ...

Страница 25: ...om the actual number of accessories included with the probe Standard accessories Each probe is shipped with one TPR4KIT accessory kit containing the following items Item 1 3 m cable SMA male to MMCX male 50 Ω 1 3 m cable SMA male to SMA male 50 Ω Y lead adapter MMCX female to 0 8 mm sockets Adapter cable MMCX female to U FL female 50 Ω Adapter MMCX female to square pin 0 062 centers DUT interface ...

Страница 26: ... hinge Marker bands set of 5 for probe identification Optional accessories This section lists the optional accessories that you can purchase to help you with your probing tasks The optional TPR4KITHT high temperature accessory kit includes the following items Item 2 m high temperature cable SMA male to MMCX male 50 Ω Solder in cable adapter MMCX female to solder micro coax tip 50 Ω set of 3 Solder...

Страница 27: ... Micro SMD clip Replacement 0 5 mm browser tips 2 solid tips 2 spring tips The optional TPR4SIACOAX accessory kit includes the following items Item Solder in cable adapter MMCX female to solder micro coax tip 50 Ω set of 3 The optional TPR4SIAFLEX accessory kit includes the following items Item Solder in cable adapter MMCX female to solder flex paddle tip 50 Ω set of 3 TPR1000 and TPR4000 User Man...

Страница 28: ...bration 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 Options Option L0 English language Instruction Manual Option L5 Japanese language Instruction Manual Option L7 Simplified Chinese language Instruction Manual 14 TPR1000 and TPR4000 User Manual ...

Страница 29: ...ys use as 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 ground lead can result in a resonant circuit this circuit may cause parasitic ringing within the bandwidth of your oscilloscope TPR1000 and TPR4000 User Manual 15 ...

Страница 30: ...ximate resonant 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 measurements are affected by ringing your goal is to lower the inductance of your ground path until the resulting resonant frequency is well above the frequency of your measurements The low induct...

Страница 31: ...he warranted typical and mechanical characteristics apply to the TPR1000 and TPR4000 probes unless noted otherwise Environmental characteristics are in the Operating considerations section See Table 1 Warranted characteristics Warranted characteristics describe guaranteed performance within tolerance limits or certain type tested requirements Warranted characteristics that have checks in the Perfo...

Страница 32: ... Long Term Aberrations 1 of final value after 50 μS Delay time comp box only 565 ps 20 TPR1000 475 ps 20 TPR4000 Delay time for each accessory 6 19 ns 10 1 3 m MMCX cable 9 47 ns 10 2 m MMCX cable 494 pS 20 10 cm blue coax solder in 500 pS 20 10 cm Flex Paddle Adapter 484 pS 20 U FL to MMCX Adapter 5 2 nS 10 Browser Delay time default configuration NOTE Base configuration consists of 1 3 m SMA to ...

Страница 33: ...Specifications Figure 3 TPR1000 frequency response Figure 4 TPR4000 frequency response TPR1000 and TPR4000 User Manual 19 ...

Страница 34: ...impedance and phase versus frequency Table 4 Probe typical mechanical characteristics Characteristic Description Dimensions compensation box 85 1 mm 40 6 mm 30 5 mm 3 4 in 1 6 in 1 2 in Packaged weight 1 24 kg 2 7 lbs 20 TPR1000 and TPR4000 User Manual ...

Страница 35: ...or on cable SMA male plug DUT connector on standard cable MMCX male plug DUT connector on optional cable SMA male plug SMP female jack Insulation voltage rating 30 V RMS AC 42 V Peak pk pk 60 V DC DC Accessory characteristics Specifications for the TPR1000 and TPR4000 accessories fall into two categories warranted and typical characteristics Table 6 Accessory electrical characteristics Characteris...

Страница 36: ... to MMCX cable typical 1 GHz TPR1000 2 GHz TPR4000 TPR4BRWSR1G typical 350 MHz with short ground TPR4BRWSR1G typical 1 GHz with barrel adapter Table 7 Accessory typical mechanical characteristics Item number Dimensions Rigid Browser Tip Pogo Browser Tip Browser Browser Spring Ground 22 TPR1000 and TPR4000 User Manual ...

Страница 37: ...tions Table 7 Accessory typical mechanical characteristics cont Item number Dimensions Browser Blade Ground Browser Alligator Ground TPRSIACOAX TPRSIAFLEX MMCX to U FL adapter TPR1000 and TPR4000 User Manual 23 ...

Страница 38: ... Table 7 Accessory typical mechanical characteristics cont Item number Dimensions 1 3 m SMA to MMCX Cable 1 3 m SMA to SMA Cable 2 m SMA to MMCX Cable Browser to Square pin adapter 24 TPR1000 and TPR4000 User Manual ...

Страница 39: ...Specifications Table 7 Accessory typical mechanical characteristics cont Item number Dimensions MMCX to Square pin adapter SMT Component Clip TPR1000 and TPR4000 User Manual 25 ...

Страница 40: ... 0 1 accuracy Keithley 2700 DMM Network Analyzer Tektronix VNA TTR506A 067 1701 XX with Calibration kit BN533828 TekVPI Calibration Verification adapter TekVPI Interface SMA to BNC adapter SMA male to BNC female 015 0554 XX SMA to BNC adapter SMA female to BNC male 015 0572 XX SMA to SMA adapter SMA male to SMA male 015 0551 XX BNC to dual banana adapter 2 103 0090 XX BNC cable 2 50 Ω 0 76 m 30 in...

Страница 41: ...ipment to test the probe DC setup connection diagram Use the DC setup diagram for the following performance checks DC gain accuracy See page 29 DC input dynamic range See page 31 Input offset range and scale accuracy See page 32 Figure 6 DC setup connection diagram TPR1000 and TPR4000 User Manual 27 ...

Страница 42: ...e verification Analyzer setup connection diagram Use the analyzer setup diagram for the analog bandwidth performance check See page 33 Figure 7 Analyzer setup connection diagram 28 TPR1000 and TPR4000 User Manual ...

Страница 43: ...3 Record its value If it is out of specification replace the precision terminator before continuing the test 4 Attach the probe to the TekVPI Calibration Verification adapter 5 Ensure the probe offset is set to 0 V 6 Set the digital multimeter DMM to the following settings DC Volts auto ranging Filter mode on Measurement rate slow 7 Set the DC source current limit to 3 mA 8 Set the DC source to th...

Страница 44: ...example values Figure 8 Example plot of measured values The gain slope can either be obtained by using a spreadsheet to calculate the linear regression of the points or graphically by hand To obtain the gain slope graphically carefully plot each measurement point on a rectangular coordinate system the X axis is the DC source voltage and the Y axis is the measured DC output value Using a straight e...

Страница 45: ...ut values 7 Set the DC source current limit to 3 mA 8 Set the source measure unit SMU to 1 V and record the output voltage on the DMM 9 Set the source measure unit SMU to 1 V and record the output voltage on the DMM 10 Using the readings taken in steps 8 and 9 apply the following equation to calculate the gain of the probe Gainprobe Vsource Vmeasured 11 Verify that the gain is at least 90 of the n...

Страница 46: ...cification replace it before continuing the test 4 Attach the probe to the TekVPI Calibration Verification adapter 5 Set the DMM to DC Volts autoranging 6 Set the DC source current limit to 3 mA 7 Sweep the DC source through the discrete points listed in the following table and set the probe offset range to the same set point using the Probe Setup window on the oscilloscope Measure the probe respo...

Страница 47: ...llowing links tek com how making basic 2 port measurements using ttr500 vna tek com how how calibrate ttr500 vector network analyzer 3 Set up the network analyzer with a fresh 2 port SOLT calibration to the reference planes of the SMA side of network analyzer cable port 2 and the SMA side of the SMA to N adapter port 1 4 Place a marker on the S21 trace at the start frequency 300 kHz 5 Place a mark...

Страница 48: ...___________________________ Technician ________________________________ Performance test Minimum Measured calculated Maximum DC gain accuracy 0 792 0 808 1 V NA DC input dynamic range NA 1 V DC reject function Pass Fail 194 mV 194 mV 18 mV 18 mV 194 mV 194 mV Input offset range and scale accuracy 12 V offset 1 V offset 1 V offset 12 V offset 18 mV 18 mV 3 dB NA Analog bandwidth TPR1000 TPR4000 3 d...

Страница 49: ...There are no user replaceable parts within the probe Refer to Accessories for a list of replaceable accessories for your probe Cleaning Protect the probe from adverse weather conditions The probe is not waterproof CAUTION To prevent damage to the probe do not expose it to sprays liquids or solvents Avoid getting moisture inside the probe during exterior cleaning Do not use chemical cleaning agents...

Страница 50: ...Maintenance 36 TPR1000 and TPR4000 User Manual ...

Страница 51: ...ocumentation vi E Error condition 35 F Features viii Functional check 4 G Ground lead inductance 16 selecting length 15 I Indicators 2 Input offset range and scale accuracy performance check 32 L LED Status 2 M Maintenance 35 Menu Button 3 O Offset 7 Operating considerations 1 Options 14 P Performance verification 26 equipment required 26 equipment setup 27 Probe controls and indicators 2 R Relate...

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