Page 2 - Copyright
Copyright © Tektronix, Inc. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued andpending. Information in this publication supercedes that in all previouslypublished material. Specifications and price change privileges reserved. Tektronix, Inc., P.O. Box 500, Bea...
Page 3 - WARRANTY
WARRANTY Tektronix warrants that the products that it manufactures and sells will be free from defectsin materials and workmanship for a period of one (1) year from the date of shipment. If aproduct proves defective during this warranty period, Tektronix, at its option, either willrepair the defecti...
Page 5 - Table of Contents; Product Features and Accessories
P6330 3.5 GHz Differential Probe Instruction Manual i Table of Contents General Safety Summary v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Service Safety Summary vii . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Contacting Tektronix viii . . . . . . . . . . . . . . . ...
Page 6 - ii
Table of Contents ii P6330 3.5 GHz Differential Probe Instruction Manual Specifications 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Warranted Characteristics 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Typical Characteristics 26 . . . . . . . . . ....
Page 7 - iii; List of Figures
Table of Contents P6330 3.5 GHz Differential Probe Instruction Manual iii List of Figures Figure 1: P6330 differential probe 1 . . . . . . . . . . . . . . . . . . . . . . Figure 2: Input connector of TEKPROBE interface 10 . . . . . . . . . Figure 3: Using the variable spacing adapter 12 . . . . . . ...
Page 9 - General Safety Summary; To Avoid Fire or Personal Injury
P6330 3.5 GHz Differential Probe Instruction Manual v 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. To Avoid Fire or Personal Injury Conn...
Page 10 - Safety Terms and Symbols; Warning statements identify conditions or practices that
General Safety Summary vi P6330 3.5 GHz Differential Probe Instruction 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 id...
Page 11 - Service Safety Summary; Do not perform internal service or adjustments
P6330 3.5 GHz Differential Probe Instruction Manual vii Service Safety Summary Only qualified personnel should perform service procedures. Readthis Service Safety Summary and the General Safety Summary before performing any service procedures. Do Not Service Alone. Do not perform internal service or...
Page 12 - Contacting Tektronix; Phone
Service Safety Summary viii P6330 3.5 GHz Differential Probe Instruction 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 o...
Page 13 - P6330 3.5 GHz Differential Probe Instruction Manual; termination on the oscilloscope input. The TEKPROBE
P6330 3.5 GHz Differential Probe Instruction Manual 1 Product Features and Accessories The P6330 is a high-bandwidth (3.5 GHz) active differential probewith a miniaturized probe head design. The probe has low circuitloading, high common-mode rejection, and comes with a variety ofaccessories for conn...
Page 14 - Options
Product Features and Accessories 2 P6330 3.5 GHz Differential Probe Instruction Manual Options The following options are available when ordering the P6330 probe: H Option D1 -- Calibration Data H Option C3 -- 3 years Calibration Service H Option D3 -- 3 years Calibration Data (requires Option C3) H ...
Page 15 - Features and Standard Accessories; Table 1: P6330 features and standard accessories
Product Features and Accessories P6330 3.5 GHz Differential Probe Instruction Manual 3 Features and Standard Accessories Table 1 shows the features and standard accessories of the P6330differential probe. Table 1: P6330 features and standard accessories Feature/Accessory Description TEKPROBE interfa...
Page 19 - Optional Accessories; Table 2: Optional accessories
Product Features and Accessories P6330 3.5 GHz Differential Probe Instruction Manual 7 Optional Accessories Table 2 shows the optional accessories that you can order for theP6330 differential probe. Table 2: Optional accessories Accessory Description Release tool. Use for opening the compensation bo...
Page 21 - Operating Basics; Reference; Installation
P6330 3.5 GHz Differential Probe Instruction Manual 9 Operating Basics This section discusses operating considerations and probingtechniques. For more detailed information about differentialmeasurements and common-mode rejection ratio (CMRR), see the Reference section on page 19. The P6330 probe des...
Page 22 - Input Voltage Limits; Specifications
Operating Basics 10 P6330 3.5 GHz Differential Probe Instruction Manual Figure 2: Input connector of TEKPROBE interface Instruments with the TEKPROBE Interface (Tektronix TDS 400, 500, 600,and 700 Series Oscilloscopes) On instruments that have the TEKPROBE interface, simply connectthe probe to the i...
Page 23 - Common-Mode Rejection
Operating Basics P6330 3.5 GHz Differential Probe Instruction Manual 11 Maximum Input Voltage The maximum input voltage is the maximum voltage to ground thatthe inputs can withstand without damaging the input circuitry of theprobe. CAUTION. To avoid damaging the inputs of the P6330 differential prob...
Page 24 - Probing Techniques to Maximize CMRR; Figure 3: Using the variable spacing adapter
Operating Basics 12 P6330 3.5 GHz Differential Probe Instruction Manual Probing Techniques to Maximize CMRR The common-mode rejection of the probe is highest when the probeis applied directly to the circuit, without using adapters. However,some probing tasks are made easier using accessories include...
Page 25 - Electrical Effects of Accessories; Figure 5: Typical effects on a signal using probe tip adapters
Operating Basics P6330 3.5 GHz Differential Probe Instruction Manual 13 Electrical Effects of Accessories The probe tip accessories included with your probe help connect todifferent types of components. While these accessories makeconnections easier, be aware that the adapter you choose may affectth...
Page 26 - Input Impedance and Probe Loading; to ground in parallel with less than 0.4 pF. See; Figure 6: Typical probe input model
Operating Basics 14 P6330 3.5 GHz Differential Probe Instruction Manual Input Impedance and Probe Loading When you connect the probe inputs to a circuit, you are introducing anew resistance, capacitance, and inductance into the circuit. Eachinput of the P6330 differential probe has a characteristic ...
Page 27 - Probe Grounding; Figure 7: Probe ground input
Operating Basics P6330 3.5 GHz Differential Probe Instruction Manual 15 Probe Grounding In addition to the plus and minus inputs on the probe head, there isalso a ground (common) input. The ground lead slides into the notchon the side of the probe. See Figure 7. + -- Ground Figure 7: Probe ground in...
Page 29 - Functional Check; Figure 8: Probe functional check connections
P6330 3.5 GHz Differential Probe Instruction Manual 17 Functional Check After installing the probe on the oscilloscope, a functional checkmay be performed using the PROBE COMPENSATION connectionson the front panel of the oscilloscope. See Figure 8. Figure 8: Probe functional check connections 1. Con...
Page 31 - Problems with Single-Ended Measurements; When the signal is not referenced to earth ground; Differential Measurements; ) and voltage that is different as the Differential-Mode
P6330 3.5 GHz Differential Probe Instruction Manual 19 Reference This section contains important reference information aboutdifferential measurements and how to increase the accuracy of yourmeasurements. Problems with Single-Ended Measurements While suitable in many applications, single-ended measur...
Page 32 - Figure 9: Simplified model of a differential amplifier; CMRR; dB; Assessing CMRR Error
Reference 20 P6330 3.5 GHz Differential Probe Instruction Manual V out V DM V CM + -- + + Differential mode Common mode Figure 9: Simplified model of a differential amplifier Common-Mode Rejection Ratio In reality, differential amplifiers cannot reject all of the common-mode signal. The ability of a...
Page 33 - Extending the Input Leads
Reference P6330 3.5 GHz Differential Probe Instruction Manual 21 A quick way to assess the magnitude of CMRR error when thecommon-mode signal is not sinusoidal is to connect both leads to thesame point in the circuit. The oscilloscope will display only thecommon-mode component which is not fully rej...
Page 34 - Figure 10: Twisting the input leads; Extending the Ground Lead; Terminating the Probe
Reference 22 P6330 3.5 GHz Differential Probe Instruction Manual Square pinadapter Figure 10: Twisting the input leads Extending the Ground Lead Extending the ground lead will have little, if any, affect on yourmeasurements. In most circuits, the ground path from the differentialsource has sufficien...
Page 35 - Using the Probe with Other Instruments
Reference P6330 3.5 GHz Differential Probe Instruction Manual 23 Effect of Extending the Output Cable As the frequency of a signal increases, current flow concentrates atthe outer edges of the conductor, effectively increasing theimpedance. This effect is known as skin loss. The P6330 probecontains ...
Page 37 - . The probe must have a warm-up period of at least; Warranted Characteristics; Performance
P6330 3.5 GHz Differential Probe Instruction Manual 25 Specifications The specifications in Tables 3 through 6 apply to a P6330 probeinstalled on a TDS8000 oscilloscope. When the probe is used withanother oscilloscope, the oscilloscope must have an input impedanceof 50 Ω . The probe must have a warm...
Page 38 - Typical Characteristics; Table 4: Typical electrical characteristics
Specifications 26 P6330 3.5 GHz Differential Probe Instruction Manual Table 3: Warranted electrical characteristics (Cont.) Characteristic Description Humidity Operating: 0 --90% RH, tested at+ 30 to + 40 _ C (+ 68 to + 104 _ F) Nonoperating: 0 --90% RH, tested at+ 30 to + 60 _ C (+ 68 to + 140 _ F)...
Page 40 - Figure 12: Typical differential input impedance vs frequency
Specifications 28 P6330 3.5 GHz Differential Probe Instruction Manual Figure 11 shows the typical common-mode gain of the probe. TheCMRR can be approximated by subtracting the common-mode gainfrom the -- 14 dB reference level. For example, -- 80 dB CM gainequals +66 dB CMRR. Frequency 10 MHz 1 MHz 1...
Page 41 - Figure 13: Probe head and compensation box dimensions
Specifications P6330 3.5 GHz Differential Probe Instruction Manual 29 Table 5: Typical mechanical characteristics Dimensions, input connection 2.5 mm (0.99 in) pins on2.54 mm (0.100 in) centers Dimensions, control box 82 mm × 28 mm × 23 mm (3.2 in × 1.1 in × 0.9 in) Dimensions, probe head 59 mm × 7....
Page 42 - Nominal Characteristics; Table 6: Nominal electrical characteristics
Specifications 30 P6330 3.5 GHz Differential Probe Instruction Manual Nominal Characteristics Nominal characteristics (Table 6) describe guaranteed traits, but thetraits do not have tolerance limits. Table 6: Nominal electrical characteristics Input configuration Differential (two inputs, + and -- )...
Page 43 - WARNING
The following servicing instructions are for use only byqualified personnel. To avoid injury, do not perform anyservicing other than that stated in the operating instructionsunless you are qualified to do so. Refer to all safetysummaries before performing any service. WARNING
Page 45 - Theory of Operation; Figure 14: Simplified schematic diagram
P6330 3.5 GHz Differential Probe Instruction Manual 33 Theory of Operation There are no user replaceable parts within the probe or thecompensation box; however, this theory of operation is provided toassist you in isolating failures to either the probe or the hostoscilloscope. Refer to Figure 14 for...
Page 46 - Offset Amplifier
Theory of Operation 34 P6330 3.5 GHz Differential Probe Instruction Manual Probe Head and Cable Assembly The probe head assembly contains an active amplifier circuit thatbuffers and amplifies the input signal. The amplifier receives powerand an offset level from the compensation box assembly via the...
Page 47 - Figure 15: TEKPROBE interface
Theory of Operation P6330 3.5 GHz Differential Probe Instruction Manual 35 TEKPROBE Interface The TEKPROBE interface provides a communication path betweenthe probe and the oscilloscope. Contact pins provide power, signal,offset, and data transfer for the probe identification EEPROM. Figure 15 shows ...
Page 49 - Performance Verification; These procedures test the following specifications:; Equipment Required; Table 7: Equipment required for performance verification
P6330 3.5 GHz Differential Probe Instruction Manual 37 Performance Verification Use the following procedures to verify specifications of the P6330probe. Before beginning these procedures, refer to page 46 andphotocopy the test record, and use it to record the performance testresults. The recommended...
Page 50 - Equipment Setup
Performance Verification 38 P6330 3.5 GHz Differential Probe Instruction Manual Table 7: Equipment required for performance verification (Cont.) Item description Recommended example Performance requirement Precision coaxial cable Male-to-Male SMA, 1 nsdelay 015-0562-00 Adapter SMA Female-to-Female 0...
Page 51 - Probe Calibration Fixture; Figure 16: Probe Calibration Fixture
Performance Verification P6330 3.5 GHz Differential Probe Instruction Manual 39 Probe Calibration Fixture Some of the procedures in this manual use a probe calibrationfixture, Tektronix part number 067-0419-00. The calibration fixture provides a means to test the probe for bothcommon mode and differ...
Page 52 - Figure 17: Probe Calibration Fixture test points
Performance Verification 40 P6330 3.5 GHz Differential Probe Instruction Manual 5. Using the fine position and/or pressure adjust, maneuver theprobe so that the pins contact the CM or DM test points,depending on which test you are performing. (See Figure 17.) Common mode Differential mode Figure 17:...
Page 53 - Output Offset Voltage; Connect the probe as shown in Figure 18.; DC Gain Accuracy
Performance Verification P6330 3.5 GHz Differential Probe Instruction Manual 41 Output Offset Voltage 1. Connect the probe as shown in Figure 18. 1103 CH 1 input CH 1 output Digital multimeter Female BNC-to-malebanana adapter 50 Ω precision terminator 50 Ω BNC cable Square pinadapter Y-lead adapter ...
Page 55 - Rise Time; Connect the test equipment as shown in Figure 20.; Figure 20: Test system rise time setup
Performance Verification P6330 3.5 GHz Differential Probe Instruction Manual 43 Rise Time This procedure verifies that the probe meets rise time specifications.Two rise times are measured; the test system, and the test systemwith the probe included. The probe rise time is calculated using thetwo mea...
Page 58 - Test record
Performance Verification 46 P6330 3.5 GHz Differential Probe Instruction Manual Test record Probe Model:Serial Number:Certificate Number:Temperature:RH %:Date of Calibration:Technician: Performance test Minimum Incoming Outgoing Maximum Output offset voltage -- 10 mV ________ ________ + 10 mV DC gai...
Page 59 - Adjustments; Table 8: Additional equipment required for adjustment
P6330 3.5 GHz Differential Probe Instruction Manual 47 Adjustments The P6330 has 3 internal controls: offset zero, offset range, andDC CMRR. These controls should only be adjusted after a probeperformance verification and functional check has been performedon the oscilloscope, and only if a check fa...
Page 60 - Removing the Compensation Box Cover; Follow these steps to open the compensation box.; Figure 23: Removing the compensation box cover
Adjustments 48 P6330 3.5 GHz Differential Probe Instruction Manual Removing the Compensation Box Cover Follow these steps to open the compensation box. 1. Press the optional release tool pins into the compensation boxcover catches and gently lift the cover off a small distance. Referto Figure 23. 2....
Page 62 - Offset Zero and DC CMRR; NOTE
Adjustments 50 P6330 3.5 GHz Differential Probe Instruction Manual Offset Zero and DC CMRR Use the following procedures to adjust the offset zero and DC CMRRcharacteristics of the probe. Due to the interaction of the twoadjustments, it may be necessary to repeat the procedure to optimizethe adjustme...
Page 63 - Record the output voltage as V
Adjustments P6330 3.5 GHz Differential Probe Instruction Manual 51 -- + Power supply 1103 CH 1 input CH 1 output Female BNC-to-malebanana adapter 50 Ω precision terminator 50 Ω BNC cable Y-lead adapter Black ( -- ) Digital multimeter Square pin adapter P6330 Red (+) Digital multimeter KlipChip adapt...
Page 65 - Offset Range; Zero
Adjustments P6330 3.5 GHz Differential Probe Instruction Manual 53 Offset Range Use this procedure to adjust the offset range of the probe. The offsetzero of the probe must be measured before making any adjustment tothe offset range. The offset zero voltage that you measure in the Zero Offset proced...
Page 66 - Replacing the Compensation Box Cover; Figure 27: Replacing the compensation box cover
Adjustments 54 P6330 3.5 GHz Differential Probe Instruction Manual 6. Adjust Offset Range for a DMM reading equal to the value set in the Zero Offset procedure (step 4 on page 50), ± 3 mV. Refer to Figure 24 on page 49 for the location of the offset rangeadjustment. This completes the adjustments to...
Page 67 - Maintenance; Replacing TEKPROBE Interface Pins; Figure 28: Replacing TEKPROBE interface pins
P6330 3.5 GHz Differential Probe Instruction Manual 55 Maintenance This section details the maintenance and repair procedures for theP6330 differential probe. Replacing TEKPROBE Interface Pins TEKPROBE interface pins can stick and fail to make contact aftertime. Periodically check to see that each o...
Page 68 - Removing and Replacing the TEKPROBE Interface Collar; Figure 29: Replacing the TEKPROBE interface collar
Maintenance 56 P6330 3.5 GHz Differential Probe Instruction Manual Removing and Replacing the TEKPROBE Interface Collar To remove the TEKPROBE interface collar, firmly grasp thecompensation box body with one hand and the TEKPROBE interfacecollar with the other hand. Firmly pull the interface collar ...
Page 69 - Replaceable Parts; Preparation for Shipment
Maintenance P6330 3.5 GHz Differential Probe Instruction Manual 57 Inspection and Cleaning To prevent damage to probe materials, avoid using chemicals thatcontain benzine, benzene, toluene, xylene, acetone, or similarsolvents. Do not immerse the probe or use abrasive cleaners. Dirt may be removed wi...
Page 71 - Parts Ordering Information; Part number
P6330 3.5 GHz Differential Probe Instruction Manual 59 Replaceable Parts This section contains a list of replaceable parts for the P6330differential probe. Use this list to identify and order replacementparts. Parts Ordering Information Replacement parts are available from or through your localTektr...
Page 72 - Using the Replaceable Parts List; Item Names
Replaceable Parts 60 P6330 3.5 GHz Differential Probe Instruction 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...
