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Instruction Manual
P6249
4 GHz 5X Active Probe
071-0538-03
www.tektronix.com
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Copyright Tektronix, Inc. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. 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 and TEK are registered trademarks of Tektronix, Inc. TEKTRONIX, TEK, TEKPROBE, and SureFoot are registered trademarks, and SureToe, FlexLead, and KlipChip are trademarks o
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WARRANTY Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship for a period of one (1) year from the date of shipment. If a product proves defective during this warranty period, Tektronix, at its option, either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product. In order to obtain service under this warranty, Customer must notify Tektronix of
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Table of Contents General Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Service Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Product Description Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Standard Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Contacting Tek
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Table of Contents Specifications Theory of Operation Probe Head and Cable Assembly . . . . . . . . . . . . . . . . . . . . . . . 36 Compensation Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Offset Amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Probe Identification EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . 36 TEKPROBE Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 VCC, +7 V Regulat
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Table of Contents List of Figures Figure 1: Dynamic and offset limitations . . . . . . . . . . . . . . . . . 12 Figure 2: Probe functional check connections . . . . . . . . . . . . . . 13 Figure 3: Deskew fixture connections (two P6249 probes shown) . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 4: Maximum frequency vs. measurement lead length . . 21 Figure 5: Low-inductance grounding . . . . . . . . . . . . . . . . . . . . 23 Figure 6: Using a SureFoot adapter for grounding . .
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Table of Contents P6249 4 GHz 5X Active Probe Instruction Manual iv
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General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. To avoid potential hazards, use this product only as specified. Only qualified personnel should perform service procedures. To Avoid Fire or Personal Injury Connect and Disconnect Properly. Connect the probe output to the measurement instrument before connecting the probe to the circuit under test. Disconnect the probe input and the probe ground from
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General Safety Summary 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 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 immediately accessible as you read the marking. WARNING indicates
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Service Safety Summary Only qualified personnel should perform 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 of this product unless another person capable of rendering first aid and resuscitation is present. P6249 4 GHz 5X Active Probe Instruction Manual vii
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Service Safety Summary P6249 4 GHz 5X Active Probe Instruction Manual viii
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Product Description The Tektronix P6249 is a 4 GHz (probe only), 5X active FET probe with 1 pF input capacitance. The P6249 has a low input capacitance and high input resistance which minimize circuit loading over a wide bandwidth range. The small profile and low-mass head of the P6249 make probing crowded circuits by hand fast and easy. The accessory tips and adapters included with the probe enable the P6249 to be used on a wide variety of circuit architectures. The P6249 is powered through a T
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Product Description Right-angle adapter Three-inch ground lead Low-inductance ground pogo pin Color marker bands SMK4 Micro KlipChip adapters .100” square pin adapter Instruction manual Optional Accessories The following accessories are available for the P6249 probe: Deskew fixture Probe tip-to-SMA adapter 1103 Probe Power Supply Compensation box release tool Insulated adjustment tool Refer to Features and Accessories on page 5 for more information on using the probe and
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Product Description Contacting Tektronix Phone 1-800-833-9200* Address Tektronix, Inc. Department or name (if known) 14200 SW Karl Braun Drive P.O. Box 500 Beaverton, OR 97077 USA Web site www.tektronix.com Sales 1-800-833-9200, select option 1* support Service 1-800-833-9200, select option 2* support Technical Email: techsupport@tektronix.com support 1-800-833-9200, select option 3* 6:00 a.m. – 5:00 p.m. Pacific time * This phone number is toll free in North America. After office hours, please
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Product Description P6249 4 GHz 5X Active Probe Instruction Manual 4
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Features and Accessories The P6249 is provided with several features and accessories designed to make probing and measurement a simpler task. Please familiarize yourself with these items and their uses. Probe head assembly. The probe head is designed for ease of use and high performance. Its small size makes it easy to handle in tight areas. Probe tip socket The probe tip socket is sized to easily press onto 0.025 inch pins for direct access. The ground Ground socket provides a short ground pat
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Features and Accessories Installing the push-in probe tip. Attach 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 poke yourself with the sharp probe-tip. To remove the tip, gently grab the tip with small pliers and pull the tip out. SureFoot probe tip. The SureFoot tip is an integral probe tip and miniature guide that enables fault-free probing of fin
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Features and Accessories SureToe probe tip. The SureToe tip is a pointed probe tip useful for probing in dense circuitry. Attach the SureToe adapters the same way as the push-in probe tips. Do not force the tip. Also, be careful not to poke yourself with the sharp probe tip. They can be used with any of the socketed accessory leads. Right-angle adapter. Use the right-angle adapter for low-profile probing of 0.025 inch diameter square pins. The right-angle adapter allows the probe to lie flat aga
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Features and Accessories Three-inch ground lead. Use the three-inch ground lead for general probing. The socketed end of the lead may be connected to any of the probe tips and adapters or fitted onto 0.025 inch pins. To attach the ground lead, press and rotate the lead pin connector into the ground socket on the probe head. The lead may be removed by simply pulling the pin out by hand. When selecting the grounding connection, maintain as short a ground path as possible. Refer to page 20 for more
