Tektronix THS3014 Technical Reference
  1. Manuals
  2. Brands
  3. Tektronix Manuals
  4. Test Equipment
  5. THS3014
  6. Technical reference
Tektronix THS3014 Technical Reference

Tektronix THS3014 Technical Reference

Ths3000 series. performance verification and adjustments
Hide thumbs Also See for THS3014:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual
x
THS3000 Series Oscilloscopes
Performance Verification and Adjustments
ZZZ
Technical Reference
*P077060600*
077-0606-00

Advertisement

Table of Contents
loading

Related Manuals for Tektronix THS3014

Summary of Contents for Tektronix THS3014

  • Page 1 THS3000 Series Oscilloscopes Performance Verification and Adjustments Technical Reference *P077060600* 077-0606-00...
  • Page 3 THS3000 Series Oscilloscopes Performance Verification and Adjustments Technical Reference www.tektronix.com 077-0606-00...
  • Page 4 Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or suppliers, and are protected by national copyright laws and international treaty provisions. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material.
  • Page 5 Warranty Tektronix warrants that this product will be free from defects in materials and workmanship for a period of three (3) years from the date of shipment. If any such 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.

  • Page 7: Table Of Contents

    Table of Contents Table of Contents General Safety Summary ......................Service Safety Summary .
  • Page 8 Table of Contents Technical Reference...

  • Page 9: General Safety Summary

    General Safety Summary 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. While using this product, you may need to access other parts of a larger system.
  • Page 10 General Safety Summary 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. Symbols and Terms on the Product These terms may appear on the product: DANGER indicates an injury hazard immediately accessible as you read the marking.

  • Page 11: Service Safety Summary

    Service Safety Summary 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.

  • Page 12: Preface

    Preface Preface This manual contains procedures for checking the oscilloscope performance and for making adjustments to achieve the warranted specifications of the THS3000 Series Oscilloscopes. WARNING. The procedures included in this manual are for use by qualified service personnel only. Technical Reference...

  • Page 13: Performance Verification

    Voltage probe THP0301 Nine digit part numbers (xxx-xxxx-xx) are Tektronix part numbers. If the SC600 option is not available, a separate television signal generator may be substituted. The generator must be capable of producing video in the format(s) that you want to test on the THS3000 series oscilloscope; PAL, PALplus, SECAM, and NTSC standards are supported.

  • Page 14: Test Setup

    Performance Verification Test Setup All tests should be performed with the batteries installed and the oscilloscope powered by the AC adapter. 1. Connect the AC adapter to the oscilloscope and turn on the oscilloscope. 2. Turn on the generators and let the probe and test equipment warm up for 20 minutes. 3.

  • Page 15: Display And Backlight Test

    Performance Verification Display and Backlight Test 1. Verify that the AC adapter is connected to the oscilloscope and that the oscilloscope is powered on. 2. Disconnect the AC adapter and verify that the display backlight dims. 3. Connect the AC adapter and verify that the display backlight brightens. 4.

  • Page 16: Vertical Accuracy Test

    Performance Verification Vertical Accuracy Test WARNING. Dangerous voltages will be present on the calibration generator output terminals and connection cables. Always verify that the generator is in the standby mode before you make any connections to the generator. 1. Connect the test setup as shown. (See Figure 2.) Figure 2: Setup for vertical accuracy test 2.
  • Page 17 Performance Verification Table 2: Vertical accuracy test setup values Range Initial generator setting (VAC, sine, 50 Hz) Output limits 4.243 mV 3.951 mV to 4.517 mV 2 mV/div 5 mV/div 10.606 mV 10.183 mV to 11.028 mV 10 mV/div 21.213 mV 20.368 mV to 22.058 mV 20 mV/div 42.426 mV...

  • Page 18: Dc Voltage Accuracy Test

    Performance Verification DC Voltage Accuracy Test WARNING. Dangerous voltages will be present on the calibration generator output terminals and connection cables. Always verify that the generator is in the standby mode before you make any connections to the generator. 1. Connect the test setup as shown. (See Figure 3.) Figure 3: Setup for DC voltage accuracy test 2.
  • Page 19 Performance Verification Table 3: DC voltage accuracy test setup values Range Generator output (VDC) Output limits +6.0 mV +4.9 mV to +7.1 mV 2 mV/div –6.0 mV –4.9 mV to –7.1 mV 5 mV/div +15.0 mV +14.3 mV to +15.7 mV –15.0 mV –14.3 mV to –15.7 mV 10 mV/div...

  • Page 20: Ac Voltage Accuracy Test

    Performance Verification AC Voltage Accuracy Test WARNING. Dangerous voltages will be present on the calibration generator output terminals and connection cables. Always verify that the generator is in the standby mode before you make any connections to the generator. 1. Connect the test setup as shown in the previous test. (See Figure 3 on page 6.) 2.

  • Page 21: Ac-Coupled Low Frequency Test

    Performance Verification Table 4: AC voltage accuracy test setup values (cont.) Generator output Range V (AC) Frequency Output limits 500 mV/div (select 10 ms/div) 900 mV 60 Hz 877 mV to 923 mV 900 mV 20 kHz 863 mV to 937 mV 500 mV/div (select 20 μs/div) 1 V/div 20 kHz...

  • Page 22: Peak Measurement Accuracy Test

    Performance Verification Peak Measurement Accuracy Test 1. Connect the test setup as shown in the previous test. (See Figure 3 on page 6.) 2. Set all channels on the oscilloscope to: Coupling: AC Probe Type: Voltage, Attenuation: 1:1 Input Options: Polarity: Normal, Bandwidth: 20 MHz Measure: Measurement on, Peak, Peak Type: Peak-Peak Acquire Options: Glitch: Off, Memory: Short, Average: Off, Waveform: Normal Ground level centered vertically...

  • Page 23: Frequency Measurement Accuracy Test

    Time base Output mode Voltage Frequency Measured value 20 ms/div wavegen, sine 600 mV pp 16 Hz 15.90 to 16.10 THS3014 20 ns/div leveled-sine 300 mV pp 100 MHz 99.3 to 100.7 leveled-sine 300 mV pp 200 MHz 198.8 to 201.2...

  • Page 24: Input Phase Measurement Test

    Performance Verification Input Phase Measurement Test 1. Connect the test setup as shown in the previous test. (See Figure 4 on page 11.) 2. Set all channels on the oscilloscope to: Coupling: AC Probe Type: Voltage, Attenuation: 1:1 Input Options: Polarity: Normal, Bandwidth: 20 MHz Measure: Measurement A on Ch1, Phase, Measurement B on Ch2, Phase, Measurement C on Ch3, Phase, Measurement D on Ch4, Phase Acquire Options: Glitch: Off, Memory: Short, Average: Off, Waveform: Normal...

  • Page 25: Time Base Test

    Performance Verification Time Base Test 1. Connect the test setup as shown. (See Figure 5.) Figure 5: Time base test setup 2. Set the generator to source a 8 ms time marker (MODE marker). 3. Reset the oscilloscope: Power off, press and hold Utility, power on, wait for double beep then release Utility button. 4.
  • Page 26 Performance Verification Figure 6: 8 ms time marker 8. Examine the rising edge of the time marker pulse at the height of the trigger level indicator top. (You may need to adjust the horizontal position to view the pulse edge.) Verify that the rising edge is at the second grid line from the left. The allowed deviation is ±3 pixels.
  • Page 27 Performance Verification 12. Set the generator to source a 0.8 ms time marker (MODE marker). 13. Position the trace to the right until the indicated trigger delay is 799.0 μs. Figure 8: 0.8 ms time marker 14. Examine the rising edge of the time marker pulse at the height of the trigger level indicator top. (You may need to adjust the horizontal position to view the pulse edge.) Verify that the rising edge is at the second grid line from the left.

  • Page 28: Trigger Sensitivity Test

    Horizontal Vertical Initial input voltage Frequency amplitude 200 ns/div 2 V/div 100 mV pp 5 MHz 0.5 div THS3014 10 ns/div 100 mV/div 400 mV pp 100 MHz 1 div 10 ns/div 100 mV/div 800 mV pp 150 MHz 2 div...

  • Page 29: Ac Voltage Accuracy And Bandwidth Test

    Measured value 400 nS/div 2.545 Vpp 1 MHz 835 mV to 965 mV 20 nS/div 2.545 Vpp 25 MHz 790 mV to 1.010 V THS3014 5 nS/div 2.545 Vpp 100 MHz >630 mV THS3024 2 nS/div 2.545 Vpp 200 MHz >630 mV...

  • Page 30: Video Trigger Test

    Performance Verification Video Trigger Test Only one of the video systems (NTSC, PAL, PALplus, or SECAM) must be verified. 1. Connect the test setup as shown. (See Figure 9.) Figure 9: Video trigger test setup 2. Reset the oscilloscope: Power off, press and hold Utility, power on, wait for double beep then release Utility button. 3.

  • Page 31: Probe Calibration Generator Test

    Performance Verification 16. Press F4 TRIGGER OPTIONS to open the Trigger Options menu. 17. Choose Video on 1 and then press Enter. 18. Choose Polarity: Negative and then press Enter. 19. Choose NTSC (or the standard that you want to test), then press Enter. 20.

  • Page 32: Test Record

    Performance Verification Test Record Photocopy this test record for recording the results of the performance verification procedures. Table 9: THS3000 series oscilloscope test record Oscilloscope Model Number: Certificate Number: Oscilloscope Serial Number: RH %: Temperature: Technician: Date of Calibration: Test Minimum Incoming Outgoing...
  • Page 33 Performance Verification Test Minimum Incoming Outgoing Maximum DC Voltage Accuracy 2 mV/div 4.9 mV 7.1 mV –4.9 mV –7.1 mV 14.3 mV 15.7 mV 5 mV/div –14.3 mV –15.7 mV 10 mV/div 29.1 mV 30.9 mV –29.1 mV –30.9 mV 20 mV/div 58.6 mV 61.4 mV...
  • Page 34 Performance Verification Test Minimum Incoming Outgoing Maximum AC Voltage Accuracy 2 mV/div 3.0 mV 5.0 mV 5 mV/div 8.3 mV 11.7 mV 10 mV/div 18.0 mV 22.0 mV 20 mV/div 37.5 mV 42.5 mV 50 mV/div 96 mV 104 mV 180 mV 220 mV 100 mV/div...
  • Page 35 Performance Verification Test Minimum Incoming Outgoing Maximum Input Phase Measurement Accuracy 20 ms/div –2 ° +2 ° 200 ns/div –2 ° +2 ° 20 ns/div –3 ° +3 ° Time Base 8.00 ms -3 pixels +3 pixels 800.0 μs -3 pixels +3 pixels Trigger Sensitivity —...

  • Page 36: Adjustments

    For each calibration point, wait for the oscilloscope to settle. Verify that the oscilloscope battery is charged sufficiently Power the oscilloscope with the Battery Charger/Power Adapter (Tektronix part number 119-7900-xx). Calibration Procedure Outline To do a complete calibration adjustment you must do all of the following steps: 1.

  • Page 37: Calibration Procedure

    Adjustments Calibration Procedure Begin the calibration procedure here. Check the Instrument Date 1. Press the Utility button and select OPTIONS. 2. Use the arrow buttons to select DATE ADJUST and then press the ENTER button. 3. Adjust the date if necessary and then press the ENTER button. Select the Calibration Mode 1.
  • Page 38 Adjustments Table 10: Screen message and key function descriptions (cont.) Item Description READY Calibration adjustment step finished. Error :xxxx Calibration adjustment failed, due to wrong input signal(s) or because the instrument is defective. If the error code is <5000 you can repeat the failed step. If the error code is ≥5000 you must repeat the complete final calibration.
  • Page 39 Adjustments Warm-Up & PreCalibration You enter the Warm-Up & PreCalibration state either after you enter the calibration mode, or after you select the next step if you have done the Contrast Calibration step CL 120. The display shows WarmingUp (CL 0200):IDLE (valid) or (invalid). Unless you want to calibrate the display contrast only, you must always start the calibration adjustment at the Warming Up (CL 0200) step.
  • Page 40 CL 0484 CL 0486 SCOPE levsine, 0.62 Vpp, 50 kHz CL 0481 CL 0483 CL 0485 CL 0487 0.62 Vpp sine wave SCOPE levsine, 0.62 Vpp THS3014: 141 MHz THS3014: 141 MHz THS3024: 221 MHz THS3024: 221 MHz Technical Reference...
  • Page 41 Adjustments Input LF-HF Gain 1. Press F2 to select the first calibration step in the table. (See Table 12.) 2. Connect the instrument to the 5500A as shown. (See Figure 12.) Figure 12: Input LF-HF gain test setup 3. Set the 5500A to supply a 1 kHz square wave (SCOPE, MODE volt, SCOPE Z 1 MΩ), to the first calibration point in the table.
  • Page 42 Adjustments Table 12: Input LF-HF gain calibration points (cont.) Cal step UUT input value (5500A SCOPE, MODE volt, SCOPE Z 1 MΩ, 1 kHz) CL 0601 50 mV CL 0602 100 mV 250 mV CL 0603 CL 0662 CL 0605 CL 0606 2.5 V CL 0607...
  • Page 43 Adjustments Input Voltage Gain Dangerous voltages will be present on the calibration source and connection cables during the following steps. WARNING. Verify that the calibrator is in standby mode before making any connection between the calibrator and the instrument. 1. Connect the generator to the oscilloscope as shown. (See Figure 13.) Figure 13: Input to 5500A normal output test setup 2.
  • Page 44 Adjustments Table 13: Input voltage gain calibration points (cont.) Cal step UUT input value (5500A NORMAL) CL 0812 125 V CL 0813 250 V 3. Set the 5500A to supply a DC voltage (NORMAL output), to the first calibration point in the table. 4.

  • Page 45: Error Messages

    Adjustments Save Calibration Data and Exit Proceed as follows to save the calibration data, and to exit the Maintenance mode: 1. Remove all test leads from the instrument inputs. 2. Press EXIT. The instrument displays: Calibration data valid. Save data and exit maintenance mode? 3.

This manual is also suitable for:

Ths3024Ths3000 series

Table of Contents