Tektronix WFM5000 Technical Reference
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Tektronix WFM5000 Technical Reference

Waveform monitors specifications and performance verificatio
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WFM4000 and WFM5000
xx
Waveform Monitors
Specifications and Performance Verification
ZZZ
Technical Reference
REV A
This document applies to firmware version 3.0.
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.
www.tektronix.com
*P077243902*
077-2439-02

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  • Page 1 WFM4000 and WFM5000 Waveform Monitors Specifications and Performance Verification Technical Reference REV A This document applies to firmware version 3.0. 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.
  • Page 2 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 3 Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.

  • Page 5: Table Of Contents

    Incoming Inspection....................Required Equipment..................Incoming Inspection Tests ................... Video and General Performance Verification Procedures ............. Required Equipment..................HD Video Tests ....................SD Video Tests ....................Audio Performance Verification Procedures..............Required Equipment..................Audio Tests ....................WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 6 Table of Contents List of Figures Figure 1: Wiring diagram for LTC input/Ground Closure cable ..........WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 7 Table 32: Audio Alarms ..................Table 33: WFM4000 and WFM5000 Waveform Monitor Functional Test Record ......Table 34: WFM4000 and WFM5000 Waveform Monitor Video Performance Test Record ....Table 35: WFM4000 Waveform Monitor Video Performance Test Record ........ Table 36: WFM4000 and WFM5000 Waveform Monitors Audio Test Record ......
  • Page 8 Table of Contents Table 39: Required Test Equipment (Video and General Performance)........Table 40: Required Test Equipment (Audio) ..............WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 9: General Safety Summary

    Do not operate in an explosive atmosphere. Keep product surfaces clean and dry. Provide proper ventilation. Refer to the manual's installation instructions for details on installing the product so it has proper ventilation. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 10 DANGER indicates an injury hazard immediately accessible as you read the marking. WARNING indicates an injury hazard not immediately accessible as you read the marking. CAUTION indicates a hazard to property including the product. The following symbol(s) may appear on the product: WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 11: Environmental Considerations

    Directive 2002/96/EC on waste electrical and electronic equipment (WEEE). For information about recycling options, check the Support/Service section of the Tektronix Web site (www.tektronix.com). Perchlorate Materials. This product contains one or more type CR lithium coin cell batteries. According to the state of California, CR lithium coin cells are classified as perchlorate materials and require special handling.
  • Page 12 Environmental Considerations viii WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 13: Preface

    This document is provided as a standard accessory when you order a new instrument. If you upgrade your instrument firmware from the Tektronix Web site, an updated version of this document is provided. User Manual (Tektronix part numbers: English, 071-2438-XX; Japanese 071-2440-XX;...
  • Page 14 Audio Monitoring. This application note describes balanced and unbalanced audio signals, and explains the physical and electrical characteristics and the specific strength and weaknesses of the different digital audio signal formats. WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 15: Specifications

    Specifications The tables in this section list the specifications for the Tektronix WFM4000 and WFM5000 Waveform Monitors. Items listed in the Performance Requirement column are generally quantitative and can be tested by conducting the appropriate Performance Verification procedure in this manual. Items listed in the Reference Information column are useful operating parameters that have typical values;...
  • Page 16 0% typical, 0.1% max Line Rate 0% typical, 0.1% max Off Screen Recovery, Typical 0% typical, 0.1% max variation in baseline of a 5 MHz modulated pulse when positioned anywhere on screen at any gain setting. WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 17: Table 2: Waveform Sweep (Horizontal) Deflection

    ≥ 32 dB attenuation at 3 MHz Response only ≤ 3 dB attenuation at 4.5 MHz Noise bandwidth is approximately 8 MHz; component Stopband null at 18 MHz ≥ 25 dB attenuation above 15 MHz only WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 18: Table 5: Diamond Mode

    90 to 108%, 0.5% steps Range +5 to –6%, 0.5% steps Luma Limit Detection Level Detection level = ± 7 mV of cursor level, Accuracy nominal Luma Limit Area Threshold Range 0% to 10% WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 19: Table 7: Picture Mode

    Handling) in industry literature Error icon asserted for 1 second after any error Field rate Resolution, separate reporting for Error icon asserted for 1 second after any errors in Y or Color Difference data streams error WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 20: Table 9: Audio Bar Displays

    PCM (decoded) or Dolby digital (detected, but not decoded) Level Meter Resolution 0.056 dB steps at 30 dB scale, from full scale to –20 dB FS XGA Full Screen mode = 510 steps WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 21 1.7 seconds to fall 20 dB as opposed to 2.8 seconds for Type II True Peak Ballistic Response PPM Type II decay characteristics, no attack delay, factory default ballistic WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 22 Test level is the level, relative to digital full Adjustable scale, that the user chooses as the test or Test Level “line up” level for monitored programs. The meter bars change to yellow between the Test and Peak Program levels WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 23: Table 10: Audio Bar And Lissajous Display

    32k to 192k samples/sec Input Lock Frequency Range >± 5%. If input sample rate changes more than 5%, then the instrument may search again for a new lock point. Typically stays locked to 12.5% WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 24: Table 12: Embedded Audio Extraction

    Number of Channels Monitored for 16 channels are monitored for presence Presence Maximum Number of Channels Can only monitor channels set up for display Monitored for Activity Audio levels Bars display signals up to 0 dBFS WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 25: Table 13: Headphone Output

    (See Table 20.) LTC Input Impedance Greater than 10 kΩ LTC Signal Characteristics Longitudinal Time Code per IEC Publication LTC Signal Amplitude Range, 0.2 V to 5.0 V , balanced differential or Typical single-ended WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 26: Table 16: Serial Digital Video Interface (Input A, Input B)

    1 MHz. Increases proportional to 1/f below 1 MHz Return Loss, Typical > 15 dB to 1.5 GHz Isolation Between Inputs > 45 dB to 1.5 GHz Time Base Range >± 50ppm WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 27: Table 17: External Reference

    Web page access and software upgrades. Web page enables download of screen shots, error and diagnostics logs, and upload/ download of presets. IP Address Mode Supports manual and DHCP Connector Type RJ-45 LAN connector supporting 10/100 Base-T WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 28: Table 19: Usb

    10.75 to 18.0 VDC min - max operating Supply Connection XLR 4 pin male connector. Pin 1 = V(-), Pin 4 = (V+), Pin 2,3 NC Power Consumption, Typical 22 W typical, 30 W max WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 29: Physical Specifications

    Up to 40,000 feet (12,192 meters) Cooling Variable Fan. Forced air circulation with no air filter. Required Clearances Do not block the bezel or rear panel vent holes, or more than half the vent holes on the sides WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 30: Certifications And Compliances

    Declaration of Conformity – EMC AS/NZS 2064.1/2 Industrial, Scientific, and Medical Equipment: 1992 FCC – EMC Emissions are within the limits of FCC 47 CFR, Part 15, Subpart B for Class A equipment. WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 31: Supported Input Formats And Allowed References

    Reference Format Input Format 720p 25 720p 50 1080p 25 1080sf 25 1080i 50 720p 25 Hz 720p 50 Hz 1080p 25 Hz 1080sf 25 Hz 1080i 50 Hz 576i 50 Hz (625) WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 32: Table 26: 59.94 Hz, 23.98 Hz, And 29.97 Hz Frame And Field Rates

    Image system number for indicated field/frame rate Image System Interface Signal Type 59.94 29.97 23.98 274M 1920 x 292M 4:2:2 Y'C' 1080/P, 1920 x 292M 4:2:2 Y'C' 1080/I 295M 1920 x Not supported (1250/50) 1080/I, P WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 33 4:2:2 Y'C' 260M 1035/I 296M 1280 x 292M 4:2:2 Y'C' 720p ITU-R 720 x 292M 4:2:2 Y'C' BT.601 576/I (625) 720 x 292M 4:2:2 Y'C' 483/I (525) 293M 720 x Not supported 480/P WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 34: Alarms

    Indicates that the LTC was lost for one frame but has reappeared Anc TC Missing Indicates that a break or discontinuity in the ANC timecode has occurred Anc TC Invalid Indicates that the ANC timecode was lost for one frame but has reappeared WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 35: Table 30: Hd Specific Alarms

    Indicates incorrect parity in one or more embedded audio samples (Embedded) Parity (Embedded) Group Sample Phase Indicates embedded audio streams are not time-aligned due to asynchronous audio or data error WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 36 Specifications WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 37: Performance Verification

    Before performing any of the procedures and tests in this manual, the waveform monitor must have been operating for a warm-up period of at least 20 minutes and must be operating at an ambient temperature. (See Table 24 on page 15.) WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 38: Test Records

    Test Record - Function Tests Table 33: WFM4000 and WFM5000 Waveform Monitor Functional Test Record Instrument Serial Number: Certificate Number: Temperature:...

  • Page 39: Test Record - Hd Only

    Test Records Test Record - HD only If you are testing an SD-only instrument, skip this record. Table 34: WFM4000 and WFM5000 Waveform Monitor Video Performance Test Record Instrument Serial Number: Certificate Number: Temperature: RH %: Technician: Date of Calibration:...

  • Page 40: Test Record - Sd Only

    Input A 30 dB Input B 30 dB External Reference Pass Formats supported: Bi-Level –50 ppm 50ppm External Reference Lock Range External Reference Pass Lock in Presence of Hum: Bi-Level LTC Decoding Pass Functionality WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 41: Test Record - Audio

    Test Records Test Record - Audio Table 36: WFM4000 and WFM5000 Waveform Monitors Audio Test Record Instrument Serial Number: Certificate Number: Temperature: RH %: Date of Calibration: Technician: Performance Test Minimum Incoming Outgoing Maximum AES Audio Return Loss AES A...

  • Page 42: Incoming Inspection

    SDI Matrix Split Field Pathological Signal 100% sweep 525/270 SD signals required: DVG1 module for TG2000 (Embedded audio needed) 100% color bars 10-bit shallow ramp SDI Matrix Split Field Pathological Signal 100% sweep WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 43: Incoming Inspection Tests

    finished, the instrument has finished initializing. 8. Record Pass or Fail for the POST in the test record. 9. If it is still open, exit the Diagnostics Log. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 44 1. Set the waveform monitor to display a white screen: a. Press the CONFIG button. b. Select Utilities > Screen Solid Color > Select Color > White. c. Press the SEL button. 2. Count any pixels stuck low (not white). WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 45: Table 38: Lcd Visual Defects

    For irregular defects, use (LengthxWidth)/2. 9. Record pass or fail for Pixel Defect in the test record. 10. Press the CONFIG button to close the configuration menu. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 46 This returns the instrument to x1 gain. 9. Change the input signal to a 100% sweep. 10. Verify the sine waves are uniform and do not have steps. Also verify the amplitude is 700 mV. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 47 7. Verify that the set of level meter bars indicates –6 dBFS. 8. Record Pass or Fail for AES A in the test record. 9. Set the DVG1 module in the signal generator to 525/270 color bars. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 48 19. Go through the other phase pairs (3 & 4, 5 & 6, 7 & 8) and verify that the phase display changes in each one. 20. Record Pass or Fail for Embedded Audio to Lissajous Display in the test record. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 49 It may be necessary to reset the LTC generator by using the reset switch. 10. Record Pass or Fail for the LTC Decode in the test record. 11. Disconnect the LTC generator from the custom cable. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 50 10. Repeat steps 5 and 6 to create a preset with a Gamut display. Save as Preset 11. Repeat steps 5 and 6 to create a preset with a Status display. Save as Preset WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 51 6. Use the arrow keys to select highlighting to the Ground Closure column of the SDI Input Missing row. This instructs the instrument to assert the ground closure if the input is not present. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 52 9. From the computer, enter the IP address of the waveform monitor into the Web browser address line (for example, http://192.182.256.23). 10. You should see a Web page titled “Tektronix WFM4000/WFM5000 Remote Interface” or something similar. This means that the Ethernet function is working.

  • Page 53: Video And General Performance Verification Procedures

    (3 required) Male-to-male BNC connectors 1 or 2 meters long 012-0159-01 75 Ω terminator for SDI signals (2) Male, wideband Tektronix part number 011-0163-00 Male connector Tektronix part number 011-0102-03 75 Ω precision terminator WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 54 Download the PVCustomSignals.zip file, unzip it, and install the signals on your TG2000. Note that the 067-0465-00 (AVC1) is not available outside of Tektronix. Other equipment can be substituted but it might not have sufficient accuracy to guarantee the specifications. For hum insertion, a general-purpose sine wave generator can be used to terminate and drive back into the video signal through appropriate impedance matching.

  • Page 55: Hd Video Tests

    Video and General Performance Verification Procedures HD Video Tests The following tests apply to HD capable WFM5000 series instruments. HD SDI Input Level Low This test uses the serial output with adjustable level to verify that the waveform monitor can accept serial signals of various amplitudes.
  • Page 56 Belden 8281 cable. Divide by 4 to calculate the attenuation in dB at 750 MHz. 9. Record the value in the test record. 10. Repeat the test using SDI B input on the waveform monitor. 11. Record this level in the test record. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 57 5. On the AWVG1 module, set the signal to a 1080i 59.94 Tri-level sync signal. 6. Check that the lower-level corner of the instrument display shows the proper standard for the reference. 7. Press the WFM button and check that the waveform is locked. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 58 3. Press the Vector button and check that the signal is locked and that the vector waveform is stable. 4. Record Pass or Fail in the test record. 5. Disconnect the test setup. WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 59: Sd Video Tests

    3. Connect the Cable Clone output to the waveform monitor SDI A input and terminate the loop-through. 4. Press and hold the STATUS button to display the Status pop-up menu. 5. Select Display Type and then Video Session. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 60 4. Apply an NTSC 0% Flat Field signal from the AVG1 output to the Reference input of the waveform monitor. Terminate the other Reference input with a precision termination. 5. Check that the lower-left corner of the waveform monitor display shows the proper standard for the reference. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 61 6. Check that the signal is locked and the waveform display is stable. Press the Vector button to check that the Vector display is stable. 7. Record Pass or Fail in the test record. 8. Disconnect the test setup. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 62 Control or Setting Value V-Size V-Pos Mode Data 5. It may be necessary to reset the LTC generator via the mode switch. Momentarily move the Mode switch to SET, and back to GEN. WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 63 Video and General Performance Verification Procedures 6. Verify that the Decoded LTC is displayed in the lower right corner of the display. 7. Record Pass or Fail in the test record. WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 64: Audio Performance Verification Procedures

    75 Ω test port 50 Ω input and output ports Wide Band Engineering A57TUC with male 75 Ω BNC test port Audio test cable 1/4 inch phono to 2 XLR Sound Professionals SP-XLRM-MINI-1 with adapter SP-PHONE-MINI-ST Calculator Logarithmic function WFM4000 and WFM5000 Specifications and Performance Verification...

  • Page 65: Audio Tests

    Audio Performance Verification Procedures The following tests verify that the Audio module for the WFM4000 and WFM5000 waveform monitors meets the warranted characteristics listed in the Specifications chapter. Characteristics with typical specifications (not warranted) are also checked with pass/fail criteria.
  • Page 66 3. Connect the digital audio generator unbalanced (UNBAL) output to the AES IN BNC connector using a 75 Ω cable. 4. Set the digital audio generator as follows: Control or Setting Value Frequency 1 kHz Output Level –20 dB FS Audio Tone WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 67 IN connector using a 75 Ω cable. 6. Check for an indication of –6 dB FS ±0.2 dB in the corresponding bars and record Pass or Fail in the test record. 7. Set the digital audio generator as follows: WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 68 4. Set the parameters in the ANALYZER panel as follows: Control or Setting Value INSTRUMENT ANLG 22 kHz Min Freq 10 Hz Ref Imped 100000 Ω Channel Ch1 Coupl Ch1 Input Ch1 Imped 200 kΩ Ch1 Common FLOAT WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 69 13. Connect the XLR corresponding to the ‘Right' channel to the analyzer balanced (BAL) analog input. 14. Check for 0.25 dBu ±1 dB RMS on the analog analyzer. Record the result in the test record. 15. Set the digital audio generator as follows: WFM4000 and WFM5000 Specifications and Performance Verification...
  • Page 70 16. Repeat steps 11 through 12. 17. Set the digital audio generator as follows: Control or Setting Value Sample Frequency 48 kHz Output Level –6 dB FS Sine Frequency 19 kHz 18. Repeat steps 11 through 12. WFM4000 and WFM5000 Specifications and Performance Verification...

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