Page 3 - WARRANTY
WARRANTY Tektronix warrants that this product will be free from defects in materials andworkmanship for a period of one (1) year from the date of shipment. If any suchproduct proves defective during this warranty period, Tektronix, at its option,either will repair the defective product without charg...
Page 5 - General Safety Summary; Only qualified personnel should perform service procedures.; To Avoid Fire or Personal Injury
P7240 4 GHz 5X Active Probe User Manual i General Safety Summary Review the following safety precautions to avoid injury and preventdamage to this product or any products connected to it. To avoidpotential hazards, use this product only as specified. Only qualified personnel should perform service p...
Page 6 - Safety Terms and Symbols; Terms in This Manual.
General Safety Summary ii P7240 4 GHz 5X Active Probe User Manual Safety Terms and Symbols Terms in This Manual. These terms may appear in this manual: WARNING. Warning statements identify conditions or practices that could result in injury or loss of life. CAUTION. Caution statements identify condi...
Page 7 - iii; Table of Contents
P7240 4 GHz 5X Active Probe User Manual iii Table of Contents General Safety Summary iii . . . . . . . . . . . . . . . . . . . . . . . . . . . . Preface v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Related Manuals v . . . . . . . . . . . . . . . . . . . ....
Page 8 - List of Figures
Table of Contents iv P7240 4 GHz 5X Active Probe User Manual List of Figures Figure 1: P7240 Probe featuring the TekConnect interface 1 Figure 2: Connecting and disconnecting the probe 2 . . . . . . . Figure 3: Probe functional check connections 13 . . . . . . . . . . . Figure 4: Dynamic and offset ...
Page 9 - Preface; Related Manuals; Service Manual
P7240 4 GHz 5X Active Probe User Manual v Preface This is the User Manual for the P7240 probe. This manual providesoperating information, specifications, and a replaceable parts list. Related Manuals If you need to do a performance verification or make internaladjustments to your probe, refer to the...
Page 10 - Contacting Tektronix; Phone
Preface vi P7240 4 GHz 5X Active Probe User Manual Contacting Tektronix Phone 1-800-833-9200 * Address Tektronix, Inc.Department or name (if known)14200 SW Karl Braun DriveP.O. Box 500Beaverton, OR 97077USA Web site www.tektronix.com Salessupport 1-800-833-9200, select option 1 * Servicesupport 1-80...
Page 11 - Product Description; , which minimize circuit loading over a wide; TekConnect Interface
P7240 4 GHz 5X Active Probe User Manual 1 Product Description The Tektronix P7240 is a 4 GHz (probe only), 5X active FET probe.The P7240 has a low input capacitance (1 pF) and high inputresistance (20 k Ω) , which minimize circuit loading over a wide bandwidth range. The small profile and low-mass h...
Page 12 - Installation; Figure 2: Connecting and disconnecting the probe
Product Description 2 P7240 4 GHz 5X Active Probe User Manual When the probe is connected, the oscilloscope reads EEPROMinformation from the probe, identifying the device and allowing theappropriate power supplies to be powered on. The preamp inputs onthe oscilloscope are electrostatic discharge pro...
Page 13 - Options
Product Description P7240 4 GHz 5X Active Probe User Manual 3 Options The following options are available when ordering the P7240 probe: H Option D1 -- Calibration Data H Option C3 -- 3 years Calibration Service H Option D3 -- 3 years Calibration Data (requires Option C3) H Option R3 -- 3 years Exte...
Page 15 - Features and Accessories; Table 1: P7240 features and standard accessories; TekConnect interface
P7240 4 GHz 5X Active Probe User Manual 5 Features and Accessories The P7240 is provided with several features and accessories designedto make probing and measurement a simpler task. To familiarizeyourself with these items and their uses, refer to Table 1. Table 1: P7240 features and standard access...
Page 16 - SureToe probe tip; SMT KlipChip
Features and Accessories 6 P7240 4 GHz 5X Active Probe User Manual Table 1: P7240 features and standard accessories (Cont.) Feature/Accessory Description Installing the push-in probe tip. Attach the push-in probe tip by aligning the tip into the probetip socket and pushing the tip in until it is sea...
Page 23 - Functional Check; Figure 3: Probe functional check connections
P7240 4 GHz 5X Active Probe User Manual 13 Functional Check A functional check may be performed using the PROBE COM-PENSATION connections on the front panel of the oscilloscope. SeeFigure 3. Figure 3: Probe functional check connections 1. Connect the probe to a TekConnect receptacle on the oscillo-s...
Page 25 - Configuration; , and the coupling is set to DC. The probe offset control is; Probe Offset; NOTE
P7240 4 GHz 5X Active Probe User Manual 15 Configuration The P7240 provides the oscilloscope with the probe model number,serial number, and attenuation factor. When connected to anoscilloscope with a TekConnect interface, display readouts arecorrected for the probe attenuation factor, the instrument...
Page 26 - Figure 4: Dynamic and offset limitations
Configuration 16 P7240 4 GHz 5X Active Probe User Manual NOTE . The P7240 has a ± 5.0 V offset range. The linear operating range is ± 2.0 V. See Figure 4. If cursors are used on a TekConnect interface oscilloscope, the zeroreference will be at the probe offset voltage. 0 V +7.0 V -- 7.0 V +2.0 V -- ...
Page 27 - Operating Basics; Handling the Probe; Specifications; Input Linear Dynamic Range
P7240 4 GHz 5X Active Probe User Manual 17 Operating Basics Please follow these operating guidelines to get optimum performancefrom your P7240 probe. Handling the Probe Exercise care when using and storing the P7240. The probe and cableare susceptible to damage caused by careless use. Always handle ...
Page 28 - Ground Lead Length; Figure 5: Waveform distortion from ground lead length
Operating Basics 18 P7240 4 GHz 5X Active Probe User Manual Ground Lead Length When you are probing a circuit, you should always use as short aground lead as possible between the probe head and circuit ground. The series inductance added by the probe tip and ground lead canresult in a resonant circu...
Page 29 - Figure 6: Ground Lead Equivalent Circuit
Operating Basics P7240 4 GHz 5X Active Probe User Manual 19 R source V source Probe C in 0.85 pF Probe R in 20 k Ω L gl (Ground Lead) Figure 6: Ground Lead Equivalent Circuit Ringing and rise time degradation can be masked if the frequencycontent of the signal degradation is beyond the bandwidth of ...
Page 31 - Helpful Hints; Follow these helpful hints to make probing easier and noise free.; Low-inductance Grounding
P7240 4 GHz 5X Active Probe User Manual 21 Helpful Hints Follow these helpful hints to make probing easier and noise free. Low-inductance Grounding Placing a ground plane on top of a package being probed canminimize ground lead length and inductance. See Figure 7. Figure 7: Low-inductance grounding ...
Page 32 - SureFoot Grounding; Figure 8: Using a SureFoot adapter for grounding
Helpful Hints 22 P7240 4 GHz 5X Active Probe User Manual This method is very useful when making many measurements on thesame package. Using a ground plane on the package makes probingthe package easier and avoids adding unnecessary ground lead lengthand distortion. SureFoot Grounding If you cannot u...
Page 33 - Appendix A: Specifications; To prevent damage to the probe or circuit under test, do; Table 4: Typical electrical characteristics
P7240 4 GHz 5X Active Probe User Manual 23 Appendix A: Specifications These specifications apply to a P7240 probe when used with aTDS7404 oscilloscope. The probe and oscilloscope must first be allowed to warm up for20 minutes before measurements are taken. Specifications CAUTION. To prevent damage t...
Page 34 - Figure 9: Typical input impedance and phase versus frequency
Appendix A: Specifications 24 P7240 4 GHz 5X Active Probe User Manual Table 4: Typical electrical characteristics (Cont.) Input Resistance 20 k Ω at DC (See Figure 9) Input Capacitance 0.85 pF @100 MHz Offset Range --5.0 V to +5.0 V DC Offset Drift 150 V/ ° C or less at output of probe 0.75 mV/ ° C ...
Page 35 - Gain; Figure 10: Typical bandwidth
Appendix A: Specifications P7240 4 GHz 5X Active Probe User Manual 25 -- 10 Frequency 10 MHz 1 MHz 100 MHz 10 GHz -- 12 -- 14 -- 16 -- 18 -- 20 -- 22 -- 24 -- 26 -- 28 1 GHz Gain dB Gain = 20 Log Ꮛ V OUT V IN Ꮠ Figure 10: Typical bandwidth 31.8 mm (1.250 in) 43.8 mm (1.725 in) 63.5 mm (2.500 in) 91....
Page 36 - Table 6: Environmental characteristics
Appendix A: Specifications 26 P7240 4 GHz 5X Active Probe User Manual Table 5: Physical Characteristics Unit weight (probe only) 223 g (7.52 oz) Cable Length 1.3 meters (50 in) Table 6: Environmental characteristics Operating Temperature 0 ° C to +40 ° C (+ 32 to + 104 _ F) The environmental exposur...
Page 37 - Appendix B: User Service; This section details the maintenance for the P7240 probe.; Inspection and Cleaning; Do not immerse the probe or use abrasive cleaners.; Calibration; Replacement Parts; Refer to the
P7240 4 GHz 5X Active Probe User Manual 27 Appendix B: User Service This section details the maintenance for the P7240 probe. Inspection and Cleaning To prevent damage to probe materials, avoid using chemicals thatcontain benzine, benzene, toluene, xylene, acetone, or similarsolvents. Do not immerse...
Page 38 - Preparation for Shipment; Seal the carton with shipping tape.
Appendix B: User Service 28 P7240 4 GHz 5X Active Probe User Manual Preparation for Shipment If the original packaging is unfit for use or not available, use thefollowing packaging guidelines: 1. Use a corrugated cardboard shipping carton having insidedimensions at least one inch greater than the pr...
Page 39 - Appendix C: Replaceable Parts; Parts Ordering Information; Part number
P7240 4 GHz 5X Active Probe User Manual 29 Appendix C: Replaceable Parts This section contains a list of replaceable parts for the P7240 probe.Use this list to identify and order replacement parts. Parts Ordering Information Replacement parts are available from or through your localTektronix, Inc. s...
Page 40 - Using the Replaceable Parts List; Item Names
Appendix C: Replaceable Parts 30 P7240 4 GHz 5X Active Probe User Manual Using the Replaceable Parts List The tabular information in the Replaceable Parts List is arranged forquick retrieval. Understanding the structure and features of the listwill help you find the information you need for ordering...
