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Instruction Manual

P6205
FET Probe

070-8202-01

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 summaries prior to
performing service.

Summary of Contents for P6205

Page 1: ...070 8202 01 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 summ...

Page 2: ...Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Printed in the U S A Tektronix Inc P O Box 1000 Wilsonville OR...

Page 3: ...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...

Page 4: ......

Page 5: ...Standard Accessories 1 3 Probe Features 1 3 Grounding the Probe 1 7 Operating Basics Ground Lead Inductance 2 1 Linear Operating Range 2 3 High Amplitude Frequency Response 2 3 Step Inputs 2 3 Sine W...

Page 6: ...lacing the Probe Tip 5 3 Replacing the TEKPROBE Contact Pins 5 3 Replacing Internal Assemblies Probe Head and Cable BNC and Circuit Board Carrier 5 4 Readjustment Following Repair 5 6 Repackaging for...

Page 7: ...5 Figure 3 2 Voltage derating vs frequency 3 5 Figure 3 3 Linearity error vs output voltage 3 6 Figure 3 4 Typical frequency response 3 6 Figure 4 1 Attenuation test setup part 1 4 3 Figure 4 2 Calib...

Page 8: ...ist of Tables Table 1 1 Standard accessories 1 3 Table 3 1 Electrical characteristics 3 1 Table 3 2 Environmental characteristics 3 4 Table 3 3 Physical characteristics 3 4 Table 3 4 Certifications an...

Page 9: ...test leads while they are connected to a voltage source Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for furthe...

Page 10: ...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 immediately accessible as you read the marking WA...

Page 11: ...unless another person capable of rendering first aid and resuscitation is present Disconnect Power To avoid electric shock disconnect the mains power by means of the power cord or if provided the powe...

Page 12: ...Service Safety Summary viii P6205 Instruction Manual...

Page 13: ...robe features and accessories Operating Basics discusses techniques for improving measure ment accuracy Specifications lists the probe warranted characteristics Performance Verification contains proce...

Page 14: ...s by e mail tm_app_supp tek com For product support outside of North America contact your local Tektronix distributor or sales office Service Support Contact your local Tektronix distributor or sales...

Page 15: ...Getting Started...

Page 16: ......

Page 17: ...red by the host instrument and provides the oscilloscope with the probe model number serial number and attenuation factor When installed on a fully compatible oscillo scope the oscilloscope channel in...

Page 18: ...cilloscope In addition the 1103 probe offset adjustment does not apply to P6205 probes 1 2 3 4 5 6 7 8 9 10 1 Probe head and cable 2 Ground leads 3 Compensation box 4 BNC locking ring 5 TEKPROBE conta...

Page 19: ...ction beginning on page 6 1 contains ordering information for all standard and optional accessories Probe Features The following table introduces P6205 probe components connectors and accessories Refe...

Page 20: ...ing it counterclockwise push the assembly firmly onto the oscilloscope or power supply BNC input connector Rotate the ring clockwise one quarter turn to secure it to the input connector Retractable Ho...

Page 21: ...ress the spring clip onto the collar of the probe head An alternative ground connection can also be made to the metal barrel of the probe tip Low Inductance Ground Contact Spring Tip Use the low induc...

Page 22: ...e optional dual lead probe tip adapter See Replaceable Parts onto the probe tip Connect both single lead terminations to the shoulder of a separate KlipChip pin You can also combine the single lead ad...

Page 23: ...round lead contacts voltage in the circuit under test Except for the probe tip and BNC center conductor all accessible metal including the ground clip is connected to the BNC shell WARNING To avoid el...

Page 24: ...Getting Started 1 8 P6205 Instruction Manual...

Page 25: ...Operating Basics...

Page 26: ......

Page 27: ...urce Rin 1 M Lgl Ground lead VSource Probe Cin 2 pF Probe Figure 2 1 Equivalent circuit showing added probe and ground lead resistance capacitance and inductance The high input resistance of the P6205...

Page 28: ...f your oscilloscope system If you know the self inductance L and capacitance C of your probe and ground lead use the following equation to determine the approximate resonant frequency f0 of a parasiti...

Page 29: ...age however the linearity error specification does not apply to input voltages exceeding 10 V High Amplitude Frequency Response Input signal amplitude also affects probe frequency response Figures 2 3...

Page 30: ...1 5 Input step Vp p step Input signal rise time ns Input signal fall time ns Accurate measuring area Nonlinear area 1 5 0 2 5 V 5 V 7 5 V 10 V 2 Input step Vp p step Accurate measuring area Nonlinear...

Page 31: ...ne wave inputs generally appear as harmonic distortion and reduced peak to peak amplitude Figure 2 4 shows the 3 dB bandwidth of sine wave inputs as a function of amplitude 0 2 4 6 8 10 800 600 400 20...

Page 32: ...Operating Basics 2 6 P6205 Instruction Manual...

Page 33: ...Specifications...

Page 34: ......

Page 35: ...n page 4 1 The electrical characteristics listed in Table 3 1 apply to a probe calibrated between 20_ C and 30_ C The instrument system must also be calibrated and operating within the environmental c...

Page 36: ...ak to peak 20 ns to 2 ms 3 5 peak to peak Propagation delay Probe tip to output connector measured at waveform 50 points 6 72 ns 200 ps nOutput offset3 5 At 25_ C 77_ F less than 10 mV 100 mV on scree...

Page 37: ...ply 5 V 2 50 mA maximum Power consumption Host instrument input power 1 25 W maximum 1 11000 Series mainframes use the probe calibrate function to gain additional accuracy 2 With probe operating 3 Pro...

Page 38: ...120 hr at 90 to 95 relative humidity Altitude Operating To 4 600 m 15 000 ft Transportation Qualifies under National Safe Transit Associa tion Preshipment Procedure 1 A B 1 Table 3 3 Physical characte...

Page 39: ...degrees 50 25 0 25 50 75 125 100 1M 100k 10k 1k 100 10 10kHz 100kHz 1MHz 10MHz 100MHz 1GHz 10GHz ohms degrees Figure 3 1 Typical input impedance vs frequency 50 40 30 20 10 0 Maximum input voltage V...

Page 40: ...l Vout Vin 10 Vin Attenuation 15mV 10mV 5mV 0 5mV 10mV 15mV 15 10 10 10 5 10 0 5 10 10 10 15 10 Figure 3 3 Linearity error vs output voltage Vout dB 1 0 1 2 3 4 5 6 100kHz 1MHz 10MHz 100MHz 1GHz Frequ...

Page 41: ...Performance Verification...

Page 42: ......

Page 43: ...on procedures as an acceptance criteria or to verify probe performance following repair Under normal operating conditions verify the performance of your probe at least once a year Test Equipment Table...

Page 44: ...signal from 11801B oscilloscope Termination adapter 50 W probe to GR Tektronix part number 017 0088 00 Female BNC to GR adapter Tektronix part number 017 0063 00 Male SMA to BNC female adapters 2 Tekt...

Page 45: ...adapter on an SD 24 sampling head input channel and another adapter on the oscilloscope calibrator output Use the 10 inch coaxial cable to connect the oscilloscope calibrator output to the SD 24 inpu...

Page 46: ...rom the oscilloscope calibrator output and reconnect it to the channel 1 output of the 1103 probe power supply Remove the SMA to BNC adapter from the oscilloscope calibrator output 9 Connect the P6205...

Page 47: ...waveform Measure the low frequency portion of the waveform near the back corner Record the D voltage as V2 13 Use the following equation to calculate the attenuation error error V2 10 V1 V1 100 14 Ve...

Page 48: ...rage 8 2 Connect one end of the 10 inch coaxial cable to the channel 1 output of the 1103 probe power supply Use a male SMA to BNC female adapter to connect the free end of the cable to an SD 24 sampl...

Page 49: ...Use the oscilloscope measurement capability to display and measure the waveform rise time from the 10 to 90 amplitude points 8 Verify that the probe rise time is equal to or less than 467 ps Rise Time...

Page 50: ...orm at the same vertical scale as the first waveform Measure and record as probe plus system rise time trp s the rise time of the displayed pulse 8 Calculate the probe rise time trp using the equation...

Page 51: ...ing Volts division 50 mV Time division 500 ps Trigger coupling DC Trigger source Internal clock Trigger mode Auto Waveform averaging On Number of waveforms to average 8 2 Install one SMA to BNC adapte...

Page 52: ...iption as follows Filter M1 100E 12 NOTE The filter description above applies to an SD 24 sampling head installed in the 11801B mainframe M1 plug in compartment if your sampling head is installed in a...

Page 53: ...ations Refer to Figure 4 9 Positive aberration 100 90 10 Rise time 20ns Negative aberration 2ms Peak to peak aberration Figure 4 9 Measuring aberrations 7 Disconnect the coaxial cable from the oscillo...

Page 54: ...olts division to 5 mV 12 Adjust the oscilloscope horizontal and vertical position controls to display a waveform similar to the one shown in Figure 4 8 above 13 Ensure that Waveform Averaging is enabl...

Page 55: ...ess than the system aberrations This situation occurs when the slower rise time of the probe compared to the oscilloscope sampling head combina tion filters out a portion of the higher frequency aberr...

Page 56: ...Use a 10 inch coaxial cable to connect the output of the 1103 probe power supply to an SD 24 input channel 3 Press SELECT CHANNEL on the sampling head to enable the corresponding input channel 4 Adju...

Page 57: ...Maintenance...

Page 58: ......

Page 59: ...y The frequency of maintenance depends on the environmental operating conditions A good time to perform maintenance is just before a performance verification or calibration WARNING To prevent electric...

Page 60: ...loth or small brush or a soft cloth dampened with a nonresidue cleaner such as isopropyl alcohol IPA Use a cotton tipped swab to clean the circuit board or in narrow spaces CAUTION To prevent damage t...

Page 61: ...s that are capable of generating a static charge Replacing the Probe Tip To replace the probe tip use a pair of needle nosed pliers to carefully unscrew the old tip and install the new tip Use care to...

Page 62: ...cover 2 When all four tabs are released carefully pry open and remove the top cover 3 Taking care to minimize cable flex lift the cable boot and BNC connector from the cradle of the bottom cover NOTE...

Page 63: ...the receptacle in the center of the BNC and circuit board carrier until it is fully seated After inserting the cable handle the assembly carefully to minimize strain on the BNC and cable assembly 3 T...

Page 64: ...erating within specifications The performance verification procedure begin on page 4 1 Repackaging for Shipment If you must ship your probe for repair use the original packaging container if possible...

Page 65: ...Replaceable Parts...

Page 66: ......

Page 67: ...pe or model number Instrument serial number Instrument modification number if applicable If you order a part that has been replaced with a different or improved part your local Tektronix field office...

Page 68: ...re and index numbers to the exploded view illustrations that follow 2 Tektronix part number Use this part number when ordering replacement parts from Tektronix 3 and 4 Serial number Column three indic...

Page 69: ...rs cross index Mfr code Manufacturer Address City state zip code 18359 PYLON CO INC 51 NEWCOMB ST ATTLEBORO MA 02703 1403 24931 BERG ELECTRONICS INC BERG ELECTRONICS RF COAXIAL DIV 2100 EARLYWOOD DR P...

Page 70: ...Replaceable Parts 6 4 P6205 Instruction Manual 1 2 3 4 5 6 7 8 9 10 11 12 Figure 6 1 P6205 probe with standard accessories...

Page 71: ...BOX TOP AND BOTTOM W LABEL RELEASE TOOL 80009 200 3760 00 5 131 5352 00 1 CONNECTOR ASSY W CKT BD ASSY 4 PINS COVER 80009 131 5352 00 6 131 3627 01 1 CONTACT ELEC GOLD PLATED TIP 18359 P 6158 1 STANDA...

Page 72: ...Replaceable Parts 6 6 P6205 Instruction Manual Figure 6 2 P6205 probe optional accessories...

Page 73: ...1 TIP PROBE IC TEST PKG OF 10 80009 015 0201 07 015 0201 08 1 TIP PROBE IC TEST PKG OF 100 80009 015 0201 08 4 031 4353 00 1 CONNECTOR PROBE PACK OF 25 80009 031 4353 00 5 1 SMG50 SMT KLIPCHIP 20 ADA...

Page 74: ...Replaceable Parts 6 8 P6205 Instruction Manual...

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