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Probe Applications

Z-Active Differential Probe Family User Manual

Measuring an RF Signal with a P7000 Series Probe

When the RTPA2A TekConnect probe adapter is used with a
Real-Time Spectrum Analyzer and TekConnect probe, specific RF
components can be measured with greater ease. See Figure 22.

USB*

P7000 Series

TekConnect

probe

USB
cable

Power cord

DC power

supply

Circuit

under test

Ω

SMA-to-N

cable

Signal in*

(RF input)

RTPA2A

TekConnect Probe

Adapter

For USB and RF connector locations

on the spectrum analyzer, see your
spectrum analyzer user manual.

Real--Time

Spectrum Analyzer

Figure 22: RTPA2A Probe adapter setup

Summary of Contents for P7313

Page 1: ...User Manual P7313 12 5 GHz P7380A 8 GHz P7360A 6 GHz P7340A 4 GHz Z Activet Differential Probe Family 071 1703 03 www tektronix com ...

Page 2: ...in all previously published material Specifications and price change privileges reserved TEKTRONIX TEK TekConnect and Z Active are registered trademarks of Tektronix Inc Velcro is a registered trademark of Velcro Industries B V Tip Clip is a trademarks of Tektronix Inc Contacting Tektronix Tektronix Inc 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA For product information sales serv...

Page 3: ...shipping charges duties 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 ins...

Page 4: ... service center is located Customer shall be responsible for paying all shipping charges duties 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 resultin...

Page 5: ...nstrument 3 Selecting the Probe Attenuation Scaling 4 Connecting a Tip Clip Assembly 5 Functional Check 5 Test Procedure 6 Installing a Tip Clip Assembly 7 Probe Calibration 10 Test Procedure 10 Tip Clip Ejector 12 Removing a Tip Clip Assembly 12 Tip Clip Ejector Installation 13 Connecting to a Circuit Board 14 Soldered Tip Clip Assembly 15 Handheld Adapter 20 Square Pin Tip Clip Assembly 24 Fixtu...

Page 6: ...robe Family User Manual Probe Applications 43 Dual In line Memory Module DIMM Testing 43 P7000 Probe with a TDS8000 Sampling Oscilloscope 44 Measuring an RF Signal with a P7000 Series Probe 46 Measuring a PCI Express signal with a P7000 probe 47 ...

Page 7: ...s 9 Figure 7 Connect the probe for probe calibration TDS6000B C shown 11 Figure 8 Removing a Tip Clip assembly 12 Figure 9 Attaching a Tip Clip Ejector 13 Figure 10 Soldered Tip Clip assemblies 14 Figure 11 Connect to a circuit board 15 Figure 12 TDS CSA8X00 Series Sampling oscilloscope 17 Figure 13 Wire lead length for HBW Tip Clip assemblies 18 Figure 14 Variable Spacing Tip Clip assembly 20 Fig...

Page 8: ...Table of Contents iv Z Active Differential Probe Family User Manual Figure 22 RTPA2A Probe adapter setup 46 Figure 23 RT Eye application 47 ...

Page 9: ...r test before connecting the probe input Disconnect the probe input and the probe reference lead from the circuit under test before discon necting the probe from the measurement instrument Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections to the product Conn...

Page 10: ... in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Symbols on the Product The following symbol may appear on the product CAUTION Refer to Manual ...

Page 11: ...throughout this manual to indicate a step sequence 1 Documentation To read about Use these documents Installation and Opera tion overviews Read the user manual for general information about how to use your probe In Depth Operation Use the technical reference manual located on your documentation CD ROM along with the user manual Performance Verification and Specifications Use the technical referenc...

Page 12: ...ces into the environment and to reduce the use of natural resources we encourage you to recycle this product in an appropriate system that will ensure that most of the materials are reused or recycled appropriately The symbol shown to the left indicates that this product complies with the European Union s requirements according to Directive 2002 96 EC on waste electrical and electronic equipment W...

Page 13: ... 40 ps guaranteed P7313 10 90 55 ps guaranteed P7380A 70 ps guaranteed P7360A 100 ps guaranteed P7340A H Differential 1 V 5X P7380A P7360A P7340A Signal 2 5 V 25X P7380A P7360A P7340A Range 0 625 V 5X P7313 DC Coupled 2 0 V 5X P7313 H Input resistance H 100 KΩ differential H 50 KΩ per side H AC loading see Technical Reference H Interchangeable probe Tip Clip assemblies H Solder down and square pin...

Page 14: ... you handle the probe The probe input contains electronic components that can be damaged by contact with high voltages including static discharge 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 chemi...

Page 15: ...that provides audible and tactile confirmation that a reliable connection has been made to the host instrument Follow these steps to connect the TekConnect interface and set the probe to 5X or 25X probe attenuation 1 Slide the probe into the TekConnect receptacle on the host instrument The probe snaps into the receptacle when fully engaged Latch button Figure 1 Connect TekConnect to instrument Whe...

Page 16: ...ress the Dynamic Range Select button to choose between 5X and 25X probe attenuation settings Note that the dynamic range changes when the attenuation setting is changed See Figure 2 1 Dynamic Range Select button Indicator lights Quick Tip Flashing indicator lights during or after the probe power on indicates that an internal probe diagnostic fault exists Disconnect and reconnect the probe to resta...

Page 17: ... on the oscilloscope you can perform a functional check using the PROBE COMPENSATION or FAST EDGE connection on the front panel of the oscilloscope depending on the model of oscilloscope used For more information about accessories see the Accessories section starting on page 29 Long Flex Small Resistor Tip Clip assembly Oscilloscopes with a TekConnect Interface BNC M to Minigrabbers SMA M to BNC F...

Page 18: ...probe to any channel of the oscilloscope 2 Set the oscilloscope to display the probe channel 3 Set the probe gain to 25X 4 Connect the BNC M to Minigrabbers with an SMA M to BNC F adapter to the oscilloscope Probe Compensation connector See Figure 4 Optional Use a Velcro strap to stabilize the probe when taking measurements 4 5 Figure 4 Connect to the probe for functional check ...

Page 19: ...t damage to the Tip Clip use care when you handle any of the Tip Clip assemblies 5 Attach the Long Flex Small Resistor Tip Clip assembly to the probe tip a Grasp the sides of the Tip Clip assembly and slide it toward the back of the probe tip You will feel the Tip Clip assembly click past a ridge on the probe tip when it is properly seated See Figure 5 b Check that the Tip Clip housing seats flush...

Page 20: ...es strain on the Tip Clip assembly and provides a stable waveform measurement See the Accessories section of this manual on page 40 7 Adjust the oscilloscope to display a stable waveform we recommend that you use the Autoset function When you see a stable square wave check the amplitude The probe compensation signal amplitude and common mode voltage is dependent on oscilloscope model Check that th...

Page 21: ...al See Figure 6 0 V Ground potential 6 Figure 6 Short resistor leads With the probe offset set to 0 0 V the oscilloscope display will be at the ground reference 9 Set the oscilloscope volts division to 2 V 10 Adjust the PROBE OFFSET between 4 V and 3 V The displayed waveform will vary between approximately 3 V and 4 V 11 Disconnect the shorting Minigrabber ...

Page 22: ...ffset returns to zero you have completed a successful probe calibration CAUTION To avoid ESD damage to the probe always use an antistatic wrist strap provided with your probe and work at a static approved workstation when you handle the probe You can use the equipment shown in the Functional Check in Figure 3 on page 5 to perform the probe calibration Test Procedure The Calibration Status of the i...

Page 23: ...use the PROBE COMPENSATION connector for the probe calibration procedure Check your oscilloscope manual or online Help for specific direction on probe calibration 4 Figure 7 Connect the probe for probe calibration TDS6000B C shown 5 In the menu bar select Vertical and then select Probe Cal 6 When the Probe Cal dialog box appears select Clear Probe Cal and then select Calibrate Probe The probe cali...

Page 24: ...move the Tip Clip assembly from the probe tip Removing a Tip Clip Assembly Follow these steps to remove the Tip Clip assembly by using the Tip Clip Ejector 1 Grasp the sides of the Tip Clip Ejector and slide the Tip Clip Ejector towards the front of the probe tip You will feel the Tip Clip Ejector click past a ridge on the probe tip and the Tip Clip assembly will loosen See Figure 8 2 Remove the T...

Page 25: ...attach the Tip Clip Ejector to the probe tip 1 Remove any Tip Clip assemblies from the probe tip if necessary 2 Turn the probe tip over with the back of the probe tip facing you See Figure 9 3 Position the Tip Clip Ejector with the angled faces pointing towards the probe tip 4 Place the Tip Clip Ejector into the slot on the back of the probe tip The Tip Clip Ejector slides easily in this slot when...

Page 26: ... one or several Tip Clip assemblies soldered to a circuit board for measurements in tight spaces See Figure 10 H Use the Handheld Adapter with the Variable Spacing Adapter where probe clearance is less of an issue H Use a fixtured adapter for hands free probing H Use the Square Pin Tip Clip assembly to probe a pair of square pins Figure 10 Soldered Tip Clip assemblies ...

Page 27: ...ion see page 33 in the Accessories section Identify a location near the circuit under test where the Tip Clip can be placed and soldered to a circuit with the recommended Tip Clip damping resistor lead length see step 4 1 Attach the Tip Clip Tape to the circuit board then press the Tip Clip assembly to the tape See Figure 11 Wait a moment for the adhesive to set Circuit under test Velcro strap and...

Page 28: ...ip or the circuit under test avoid applying excessive heat from the soldering iron Use a low wattage temperature controlled soldering iron and appropriately sized soldering iron tip 4 Solder the Tip Clip leads to test points on your circuit board See Quick Tips Quick Tips H For optimum performance and signal integrity keep the lead length between the DUT Device Under Test and the Tip Clip resistor...

Page 29: ...robe Interface adapts any TekConnect probe to the RTSA Real Time Spectrum Analyzers See page 44 for alternate setups TDS CSA8X00 Series Oscilloscope 80E0X module 80A03 80A03 TekConnect Probe Interface SMA cable Trigger input Circuit under test Velcro strap and dot Trigger signal Data signal Tip Clip Tape Figure 12 TDS CSA8X00 Series Sampling oscilloscope NOTE For proper operation the 80A03 firmwar...

Page 30: ...he ends of the damping resistors see Figure 13 HBW Right Angle Flex Tip Clips HBW Straight Flex Tip Clips Trim length 1 27 mm 0 050 in 3 048 mm 0 120 in 0 254 mm 0 010 in Trim length 1 27 mm 0 050 in 3 048 mm 0 120 in 0 254 mm 0 010 in Figure 13 Wire lead length for HBW Tip Clip assemblies The attachment wires can be bent symmetrically to vary the interconnect spacing Care must be used when solder...

Page 31: ... solder to attach the wire to the damping resistor helps to reduce the risk of accidentally desoldering the attachment wire from the damping resistor However avoid applying too much heat from a soldering iron when attaching the HBW Tip Clip wires to the circuit under test H Use a low temperature solder to attach the HBW Tip Clip wires to the circuit under test H Use a low wattage temperature contr...

Page 32: ...onnected to the Variable Spacing Tip Clip Lever arm rotate the lever arms to adjust the pin spacing 1 Figure 14 Variable Spacing Tip Clip assembly NOTE The Variable Spacing Tip Clip assembly is a small precision part and careful handling will extend the life of this part Use care when applying pressure to the probe Tip Clip assembly during probing and handling To loosen the action of the lever arm...

Page 33: ...ns on the lower housing are keyed in the slots on the probe either side When seated correctly the probe will not move in the lower housing b Dress the wires around the post in the lower housing For consistent polarity do not cross the wires c Seat the probe tip on the metal pin in the nose of the lower housing 2 Lower housing Slots two pins per slot use either side of the probe Elastomeric pads 2a...

Page 34: ...housing to lock the housings in place See Figure 16 3 4 5 Figure 16 Lock the handheld adapter NOTE When the Handheld Adapter is properly assembled the elastomeric pads seated in the nose of the Handheld Adapter see Figure 15 provide a balanced cushioning for the probe tip unless too much pressure is applied to the probe tip This balanced cushioning of the probe tip helps make the connections to th...

Page 35: ...from the probe slide the latch on the upper housing first before attempting to separate the housings To remove the Handheld Adapter housings from the probe 1 Slide the latch to the unlock position 2 Slide the top housing back from the probe tip and then separate and remove the probe housing halves You can store the Handheld Adapter in the probe case that shipped with the probe ...

Page 36: ...r probing 0 025 in diameter square pins spaced 0 1 in on center Square pins are not an ideal transmission path for high speed electrical signals Square pins are not recommended for signals faster than 100 ps or 3 GHz Circuit under test Velcro strap and dot Oscilloscopes with a TekConnect Interface Figure 17 Square Pin Tip Clip assembly ...

Page 37: ...PPM203B Articulating or PPM100 Probe Fastener Figure 18 shows a fixtured probe PPM203B with a Probe Arm Adapter Probe Arm Adapter Probe PPM203B Articulated Arm Figure 18 Fixtured probe Fixtured probing can be used with the Handheld Adapter and Variable Spacing Tip Clip assembly to make non soldered hands free connections to a circuit under test Fixtured probing can also be used to reduce the strai...

Page 38: ...ns are in place in the Tip Clip housing Position the flex strip and Tip Clip housing as shown in 1 of Figure 19 2 Reinstall the flex strip as shown in 2 of Figure 19 Check that the flex strip is seated evenly against the Tip Clip housing Pin notch key Flex strip Tip Clip housing Notched edge key Notched edge key Push down and pull back on the flex strip Gold contacts face upwards Elastomeric backi...

Page 39: ...re and 4 mil wire which is used with smaller circuit board traces and vias Typical Characteristic Typical characteristics Tables 1 and 2 describe typical but not guaranteed performance Table 1 Typical electrical characteristics Characteristic Description Differential Signal Range DC Coupled P7380A P7360A P7340A 1 V 5X 2 5 V 25X P7313 0 625 V 5X 2 0 V 25X Operating Voltage Window P7380A P7360A P734...

Page 40: ...erating 55 to 75 C 131 to 167 _F 1 Humidity Noncondensing Operating 0 90 RH up to 30 C 32 to 86 _F 0 75 RH up to 40 C 86 to 104 _F Nonoperating 0 90 RH up to 30 C 32 to 86 _F 0 75 RH up to 75 C 86 to 167 _F Altitude Operating 3 000 m 10 000 ft Nonoperating 15 000 m 50 000 ft Pollution Degree 2 Indoor Use only 1 See the warning that follows WARNING To avoid a burn hazard when the probe has been sto...

Page 41: ...n the probe documentation CD ROM Standard Accessories The following standard accessories are shipped with the probes as noted below In the reorder column the number inside the parenthe sis indicates the reorder quantity Table 3 Standard accessories Accessory Shipped with Reorder Tektronix part number P7313 P7380A P7360A P7340A 1 1 1 1 Pouch nylon carrying case with inserts This carrying case has s...

Page 42: ...e always work at an antistatic work station and wear the antistatic wrist strap 006 3415 XX 1 Certificate of Calibration P7313 P7380A P7360A P7340A 1 1 1 1 Calibration Certificate A certificate of traceable calibration is provided with every probe Data Calibration Report Option D1 Data Calibration Report The Data Calibration Report lists the manufacturing test results of your probe at the time of ...

Page 43: ...lish 020 2648 XX Japanese 020 2649 XX Simplified Chinese P7313 P7380A P7360A P7340A 1 pair 1 pair 1 pair 1 pair HHA Housing One pair of Handheld Adapter housings 015 0717 XX 1 pair P7313 P7380A P7360A P7340A 1 kit 1 kit 1 kit 1 kit Accessory Kits The kits include an Attachment kit a Color Band kit Adhesive Tip Clip Tape Keying labels a Tip Clip Ejector kit and an assortment of Tip Clip assemblies ...

Page 44: ...kit Color Band Kit This kit includes two sets of five colored pairs When you are using more than one probe the bands enable you to quickly match the probes to the channels that they are connected to To use the marker bands attach a band to the indent on the end of the molded strain relief of the probe cable and on the end of the probe compensation box Use the color band that matches the color of t...

Page 45: ...obe loading for HBW Tip Clip assemblies Using the Wire Replacement Kit allows you the flexibility to solder 8 mil or 4 mil wires to small vias 020 2639 XX kit of 10 020 2657 XX kit of 5 Blue P7313 P7380A P7360A P7340A 3 HBW Right Angle Flex 8 mil wire Tip Clip Assembly Bandwidth 12 GHz P7313 TR 10 90 42 ps 20 80 27 ps Loading ZMIN 150 Ω to 10 GHz Provides an alternative connection orientation Usin...

Page 46: ...or Tip Clip Assembly Bandwidth 8 0 GHz P7313 P7380A TR 10 90 55 ps 20 80 35 ps Loading ZMIN 290 Ω to 8 GHz Bandwidth 6 0 GHz P7360A TR 10 90 70 ps 20 80 50 ps Loading ZMIN 290 Ω to 6 GHz Bandwidth 4 0 GHz P7340A TR 10 90 100 ps 20 80 75 ps Loading ZMIN 290 Ω to 4 GHz Best overall signal fidelity The small resistors are ideal for connecting to small vias and fine pitch circuitry Guaranteed 020 2600...

Page 47: ...tor Tip Clip Assembly Bandwidth 7 0 GHz P7313 P7380A TR 10 90 55 ps 20 80 35 ps Loading ZMIN 290 Ω to 8 GHz Bandwidth 5 0 GHz P7360A P7340A TR 10 90 70 ps 20 80 50 ps Loading ZMIN 290 Ω to 6 GHz Bandwidth 4 0 GHz P7340A TR 10 90 100 ps 20 80 75 ps Loading ZMIN 290 Ω to 4 GHz Good compromise between ease of use and maximum performance when attach ing to smaller devices or circuit board vias 020 260...

Page 48: ...60 Ω to 6 GHz Bandwidth 4 0 GHz P7360A TR 10 90 100 ps 20 80 75 ps Loading ZMIN 360 Ω to 4 GHz Extended reach with good step response Useful for connecting to hard to reach small vias and fine pitch circuitry Conve niently sized to fit between DIMM modules Not recommended for signals faster than 4 GHz 020 2604 XX kit of 10 Red P7313 P7380A P7360A P7340A 3 Short Flex Large Resistor 1 8 W Tip Clip A...

Page 49: ...to 6 GHz Bandwidth 4 0 GHz P7340A TR 10 90 100 ps 20 80 75 ps Loading ZMIN 260 Ω to 4 GHz Good compromise between ease of use and maximum performance when attach ing to larger devices 020 2603 XX kit of 10 Red P7313 P7380A P7360A P7340A 3 Long Flex Large Resistor 1 8 W Tip Clip Assembly Bandwidth 7 0 GHz P7380A TR 10 90 75 ps 20 80 40 ps Loading ZMIN 300 Ω to 8 GHz Extended reach with good step re...

Page 50: ... P7340A 1 1 1 1 Square Pin Tip Clip Assembly Bandwidth 6 0 GHz All probes TR 10 90 70 ps 20 80 50 ps Use the Square Pin Tip Clip assembly for probing 0 025 in diameter square pins spaced 0 1 in on center Square pins are not an ideal transmission path for high speed electrical signals Square pins are not recommended for signals faster than 100 ps or 3 GHz 020 2701 XX 3 ...

Page 51: ...to your circuit board Tip Clip Ejector 3 The Tip Clip Ejector assists in the removal of the Tip Clip assemblies from the probe tip P7313 P7380A P7360A P7340A 3 3 3 3 Variable Spacing Tip Clip Bandwidth 8 GHz P7313 P7380A TR 10 90 55 ps 20 80 35 ps Loading ZMIN 220 Ω to 8 GHz Bandwidth 6 GHz P7360A TR 10 90 70 ps 20 80 50 ps Loading ZMIN 220 Ω to 6 GHz Bandwidth 4 GHz P7340A TR 10 90 100 ps 20 80 7...

Page 52: ...Use the Articulating Arm to provide stability and support for the probes when taking measurements Use the Probe Arm Adapter to attach a probe to the PPM203B Articulat ing Arm 013 0339 XX Probe Arm Adapter This adapter is used to attach a probe to the end of the PPM203B Articulating Arm or the PPM100 Probe Positioner PPM100 PPM100 Probe Positioner A general purpose bench top probe holder with flexi...

Page 53: ...ekConnect probe inputs The interface routes the probe signal outputs through SMA connectors on the front panel Semi rigid SMA cables link the probe outputs to the 80E0X module inputs P7313 P7360A and P7340A Probes require firmware version 2 0 and above The P7380A Probe requires firmware version 1 2 and above The 80A03 Interface Module is required to complete a performance verification of the probe...

Page 54: ...on 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 Option L0 English Option L5 Japanese Option L7 Simplified Chinese Option CA1 Single calibration or functional verification event limited by the recommended product calibration ...

Page 55: ...document 2FW 17826 X at www tektro nix com or the CD for an in depth discussion of these applications Dual In line Memory Module DIMM Testing H Solder a group of Tip Clip assemblies to the circuit board and leave them in place on critical signal measurement locations The DIMMs are then inserted into the motherboard sockets H Attach one or more probes to the Tip Clip assemblies and probe the critic...

Page 56: ...al See Figure 21 H Connect a cable between the TekConnect socket output connector of the probed trigger signal and the sampling oscilloscope External Trigger input H Probe the synchronous data signal you want to measure on the other 80A03 channel Circuit under test TDS CSA8000 Series Oscilloscope 80E0X module 80A03 80A03 TekConnect Probe Interface SMA cable Trigger input Clock signal Data signal T...

Page 57: ... be connected between the TekConnect socket output and the embedded electrical sampling module in the 80A03 interface using the standard short semi rigid cable If a synchronous clock signal source is not available then use a 80A05 Module to recover a clean trigger signal that is synchronous to the input signal ...

Page 58: ...kConnect probe specific RF components can be measured with greater ease See Figure 22 USB P7000 Series TekConnect probe USB cable Power cord DC power supply Circuit under test 50 Ω SMA to N cable Signal in RF input RTPA2A TekConnect Probe Adapter For USB and RF connector locations on the spectrum analyzer see your spectrum analyzer user manual Real Time Spectrum Analyzer Figure 22 RTPA2A Probe ada...

Page 59: ...RT Eye application software physical layer testing on PCI Express signals is performed with greater ease and accuracy See Figure 23 As shown in Figure 23 the RT Eye software separates the acquired transition and nontransition bits The RT Eye software also provides an extensive collection of measurements and statistics on the analyzed waveform record Transition bits Measurements and statistics Nont...

Page 60: ...Probe Applications 48 Z Active Differential Probe Family User Manual ...

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