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Troubleshooting

P6209 4 GHz Probe Instruction Manual

Refer to Table 6 on page 53 for troubleshooting procedures and
Figures 20 and 21 for troubleshooting test points.

Ground

Offset (white)

DATA (yellow)

CLOCK (orange)

+5 V (red)

+15 V (brown)

--5 V (green)

Figure 20: Compensation box test point locations

--5 V

DATA

CLK

+5 V

GND

--15 V

+15 V

Figure 21: TEKPROBE SMA Interface pin assignments

Содержание P6209

Страница 1: ...furbished and purchasing new Financing options such as Financial Rental and Leasing are also available on application TMG will assist if you are unsure whether this model will suit your requirements C...

Страница 2: ...1 0634 03 Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to all safety summari...

Страница 3: ...nding Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Tektronix Inc P O Box 500 Beaverton OR 97077 TEKTRONIX TE...

Страница 4: ...other locations This warranty shall not apply to any defect failure or damage caused by im proper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish servic...

Страница 5: ......

Страница 6: ...on Options 1 Features and Standard Accessories 2 Optional Accessories 7 Configuration Probe Offset 9 Functional Check Operating Basics Handling the Probe 13 Maximum Nondestructive Input Voltage 13 Inp...

Страница 7: ...31 Performance Verification Equipment Required 33 Equipment Setup 34 Output Zero 35 DC Attenuation Accuracy 36 Rise Time 38 Adjustments Removing the Compensation Box Bottom Cover 43 Adjustment Locati...

Страница 8: ...26 Figure 10 P6209 simplified schematic diagram 29 Figure 11 TEKPROBE SMA Interface pin assignments 31 Figure 12 P6209 output zero setup 35 Figure 13 P6209 DC attenuation accuracy setup 37 Figure 14...

Страница 9: ...Table of Contents iv P6209 4 GHz Probe Instruction Manual...

Страница 10: ...the probe ground from the circuit under test before disconnecting the probe from the measure ment instrument Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings...

Страница 11: ...ents identify conditions or practices that could result in damage to this product or other property Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immedia...

Страница 12: ...erform service procedures Read this Service Safety Summary and the General Safety Summary before performing any service procedures Do Not Service Alone Do not perform internal service or adjustments o...

Страница 13: ...tronix com Sales support 1 800 833 9200 select option 1 Service support 1 800 833 9200 select option 2 Technical support Email techsupport tektronix com 1 800 833 9200 select option 3 6 00 a m 5 00 p...

Страница 14: ...andwidth range The small profile and low mass head of the P6209 make manual probing of crowded circuits fast and easy The accessory tips and adapters enable the P6209 to be used on a wide variety of c...

Страница 15: ...andle in tight areas The probe tip socket is sized to easily press onto 0 025 inch pins for direct access The ground socket provides a short ground path for high fidelity ground connections The stabil...

Страница 16: ...ach the push in probe tip by seating the tip into the probe tip socket and pushing the tip in until it is seated Either end of the tip may be used Do not force the tip Also be careful not to injure yo...

Страница 17: ...attach the Y lead adapter gently press the lead pins into the probe head tip and ground receptacles Using the black lead for ground is recommended Three inch ground lead Use the three inch ground lea...

Страница 18: ...reduce ground lead inductance Because the pogo pin simply touches the ground reference you can easily move the probe to different points on the circuit under test To attach press the pogo pin into th...

Страница 19: ...To reduce stress and provide a lower profile on components being tested the flexible sleeve of the KlipChip bends up to a 35 degree angle When selecting the grounding connection maintain as short a g...

Страница 20: ...s the push in probe tips They can be used with any of the socketed accessory leads The orange 0 050 inch SureFoot tip is compatible with 50 mil JEDEC packages such as SOIC PLCC and CLCC The blue 0 025...

Страница 21: ...Product Description 8 P6209 4 GHz Probe Instruction Manual...

Страница 22: ...follow the precautions described in the manuals accompanying your instrument Always use a wrist strap provided with your probe when handling the probe and sampling modules and when making signal conne...

Страница 23: ...nge the volts division setting to the desired range adjusting the offset to keep the trace on screen NOTE The P6209 has a 5 0 V offset range The linear operating range is 2 00 V See Figure 1 Also see...

Страница 24: ...of the oscilloscope See Figure 2 SMA adapter jack Figure 2 Probe functional check connections 1 Set the oscilloscope to display the probe channel 2 Using the Y lead connector SMT KlipChips and the SMA...

Страница 25: ...o 500 mV div and the horizontal scale to 2 s div 5 The observed waveform should be a 200 kHz square wave with an amplitude of approximately 2 V the clock output is unterminated and have an offset of a...

Страница 26: ...physical shock Damage to the probe may result CAUTION To prevent damage to your probe do not apply a voltage outside the Maximum Nondestructive Input Voltage for the probe Always use a wrist strap pr...

Страница 27: ...hen you are probing a circuit you should always use as short a ground lead as possible between the probe head and circuit ground The series inductance added by the probe tip and ground lead can result...

Страница 28: ...ircuit will resonate with the following formula f0 1 2 LC The preceding equation shows that reducing the ground lead inductance will raise the resonant frequency If your measurements are affected by r...

Страница 29: ...Operating Basics 16 P6209 4 GHz Probe Instruction Manual...

Страница 30: ...round plane on top of a package being probed can minimize ground lead length and inductance See Figure 4 Figure 4 Low inductance grounding Attach a small piece of copper clad on top of the package and...

Страница 31: ...nd distortion SureFoot Grounding If you cannot use the recommended low inductance grounding method you may ground the probe to the package under test using a SureFoot adapter Refer to Figure 5 Figure...

Страница 32: ...obe head onto the tip to make a measurement and then pull the probe head off when you are done The probe tip may be removed and reused by desoldering it from the circuit and soldering it into another...

Страница 33: ...Helpful Hints 20 P6209 4 GHz Probe Instruction Manual...

Страница 34: ...robe Damage to the probe or circuit under test may result Table 1 Warranted electrical specifications DC Gain Accuracy probe only 0 2 2 excludes offset error Rise Time small signal probe only 120 ps 2...

Страница 35: ...5 mV 1 0 over a dynamic range of 2 00 V to 2 00 V 40 mV Nondestructive Input Voltage Range 30 V to 30 V DC peak AC 5 minutes maximum continuous exposure Input Resistance 20 k at DC See Figure 7 Input...

Страница 36: ...rmine the maximum specified DC error when measuring a PECL logic high of approximately 4 1 V with probe offset set to 3 7 V 2 of input voltage 8 mV 2 of offset voltage 74 mV output zero 37 5 mV worst...

Страница 37: ...0 20 K 22 K 18 K 16 K 14 K 12 K 10 K 8 K 6 K 4 K 2 K Magnuitude ohms 1 M 10 M 100 M 1 G 5 G Frequency Magnitude Phase Figure 7 Typical input impedance and phase versus frequency 10 Frequency 10 MHz 1...

Страница 38: ...Design Standard 062 2847 00 for Class 5 equipment Nonoperating Temperature 40 C to 71 C The environmental exposure procedure used as stated in Tektronix Design Standard 062 2847 00 for Class 5 equipme...

Страница 39: ...tions 26 P6209 4 GHz Probe Instruction Manual Table 4 Physical Characteristics Net Shipping Weight 3 1 lb 1 4 kg Cable Length probe tip to SMA 1 37 meters Figure 9 Dimensions of probe head and compens...

Страница 40: ...re for use only by qualified personnel To avoid injury do not perform any servicing other than that stated in the operating instructions unless you are qualified to do so Refer to all safety summaries...

Страница 41: ......

Страница 42: ...ing failures to either the probe or the host oscilloscope Refer to Figure 10 for the simplified schematic Offset gain Offset zero Offset ampifier EEPROM Offset to probe Probe tip amplifier Signal Out...

Страница 43: ...r Offset Amplifier The offset amplifier is used to offset the input signal DC component so that it stays at the optimal point of the probe linear dynamic range For more information on the linear dynam...

Страница 44: ...obe and the oscilloscope Contact pins provide power signal offset and data transfer for the probe identification EEPROM Figure 11 shows the probe interface pin functions Refer to your oscilloscope ser...

Страница 45: ...Theory of Operation 32 P6209 4 GHz Probe Instruction Manual...

Страница 46: ...n accuracy H Rise time Equipment Required Refer to Table 5 for a list of the equipment required to verify the performance of your probe NOTE These procedures use a CSA TDS8000 as the host instrument I...

Страница 47: ...0 Adapter SMA Female to Female 015 1012 00 Adapter SMA Female to BNC Male 015 0572 00 Adapter SMA Male jack 131 7128 00 Adapter BNC Female to Dual Banana 103 0090 00 Adapter Y lead adapter 196 3457 00...

Страница 48: ...tal multimeter BNC to dual banana adapter 50 Precision termination CSA TDS8000 SMA F to BNC M adapter Y lead adapter KlipChip adapter P6209 Probe Figure 12 P6209 output zero setup 3 Set the oscillosco...

Страница 49: ...Connect the probe tip and ground to the DC calibrator output of the CSA TDS8000 using the Y lead adapter KlipChips and SMA adapter jack If the probe is being used with a TDS 820 oscilloscope a separa...

Страница 50: ...s M1 8 Disconnect the multimeter 9 Set the DC calibration output of the CSA TDS8000 or external power supply if using a TDS 820 to 1 000 V Use the multimeter to verify the DC voltage is as close to 1...

Страница 51: ...n in Figure 14 2 Set the oscilloscope to the following settings H Trigger to internal clock H Vertical scale to 50 mV div H Horizontal scale to 100 ps div H Horizontal record length to 4000 points H A...

Страница 52: ...at includes the probe as shown in Figure 15 The system and probe rise time ts p that you measure in step 8 is used to calculate the probe rise time tp in step 9 5 Connect the test equipment as shown i...

Страница 53: ...d 8 Use the oscilloscope measurement capability to calculate and display rise time Rise time is determined from the 10 and 90 amplitude points on the waveform Record the rise time as ts p 9 Calculate...

Страница 54: ...tificate Number Temperature RH Date of Calibration Technician Performance test Minimum Incoming Outgoing Maximum Output zero voltage at probe output 10 mV 20_ C to 30_ C 1 10 mV ________ ________ 10 m...

Страница 55: ...Performance Verification 42 P6209 4 GHz Probe Instruction Manual...

Страница 56: ...x bottom cover must be removed and the equipment allowed to warm up for 20 minutes Use the optional adjustment tool for making any adjustments Refer to Table 5 on page 33 for a list of the equipment r...

Страница 57: ...R3 R2 Figure 17 P6209 adjustment and measurement locations Offset Zero Use this procedure to adjust the probe offset zero 1 Connect the probe power cable to the oscilloscope 2 Ground the probe tip by...

Страница 58: ...the oscilloscope 7 Adjust the oscilloscope offset so that the voltage measures 0 000 V on the DMM Set the offset as close to 0 V as possible 8 Connect the equipment as shown in Figure 18 9 Adjust Off...

Страница 59: ...ng the two KlipChip leads together 5 Using the lead of the DMM probe the ground lug in the probe compensation box 6 Using the lead of the DMM carefully probe pin 7 of J2 white wire in the probe compen...

Страница 60: ...ltimeter 50 Precision termination P6209 Probe SMA F to BNC M adapter BNC to Dual Banana Adapter Figure 19 P6209 offset range setup NOTE After the offset adjustments have been made use the Performance...

Страница 61: ...Adjustments 48 P6209 4 GHz Probe Instruction Manual...

Страница 62: ...eable Parts on page 55 for a list of customer replaceable parts Due to the sophisticated design of the P6209 probe there are no user replaceable parts within the probe Preparation for Shipment If the...

Страница 63: ...Maintenance 50 P6209 4 GHz Probe Instruction Manual...

Страница 64: ...OBE SMA interface oscilloscope with the bottom cover of the compensation box removed Refer to page 43 for instructions on opening the compensation box WARNING Operating voltages will be present Observ...

Страница 65: ...procedures and Figures 20 and 21 for troubleshooting test points J1 J2 Ground Offset white NC DATA yellow CLOCK orange 5 V red 15 V brown 5 V green Figure 20 Compensation box test point locations 12...

Страница 66: ...teristic No Offset Adjust Signal present Go to Probe Power row Probe power OK Continue checks Check variation of offset input from host instrument See Figure 20 Offset control voltage at pin 7 of J2 s...

Страница 67: ...Troubleshooting 54 P6209 4 GHz Probe Instruction Manual...

Страница 68: ...are sometimes made to accommo date improved components as they become available and to give you the benefit of the latest circuit improvements Therefore when ordering parts it is important to include...

Страница 69: ...parts list is indented to show the relationship between items The following example is of the indentation system used in the Description column 1 2 3 4 5 Name Description Assembly and or Component At...

Страница 70: ...ty 12345 name description Mfr code Mfr part no 22 1 010 0638 00 1 PROBE ASSEMBLY SERVICE REPLACEMENT SERIALIZED 80009 010 0638 00 2 015 1021 00 1 TERMN COAXIAL SHORT CIRCUIT SMA FEMALE 26805 2020 5353...

Страница 71: ...Replaceable Parts P6209 4 GHz 5X Active Probe 58 1 2 3 4 5 6 7 8 9 10 11 12 Figure 23 P6209 standard accessories...

Страница 72: ...09 016 1773 10 5 016 1774 00 1 ACCESSORY KIT ADAPTER SPRING PKG OF 10 80009 016 1774 00 6 1 PROBE TIP SURETOE PACKAGE OF 4 REORDER ST501 PACKAGE OF 12 80009 7 016 1315 00 1 MARKER KIT ID CABLE MARKER...

Страница 73: ...T 0 5 MM EIAJ PKG OF 12 80009 SF503 2 SF502 1 ADPTR SUREFOOT 25 MIL JEDEC PKG OF 12 80009 SF502 3 SF501 1 ADPTR SUREFOOT 50 MIL JEDEC PKG OF 12 80009 SF501 4 SMK4 1 TIP PROBE MICROCKT TEST PKG OF 4 80...

Страница 74: ...UHNER INC 19 THOMPSON DRIVE ESSEX JUNCTION VT 05452 3408 26805 M A COM OMNI SPECTRA INC MICROWAVE CONNECTOR DIV 140 4TH AVE WALTHAM MA 02254 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR PO BOX 500 BEAVE...

Страница 75: ...Replaceable Parts P6209 4 GHz 5X Active Probe 62...

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