Tektronix WVR4000 Technical Reference
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Tektronix WVR4000 Technical Reference

Tektronix WVR4000 Technical Reference

Waveform rasterizers specifications and performance verification
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WVR4000 and WVR5000
Waveform Rasterizers
Specifications and Performance Verification
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Technical Reference
*P077244802*
077-2448-02

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  • Page 1 WVR4000 and WVR5000 Waveform Rasterizers Specifications and Performance Verification Technical Reference *P077244802* 077-2448-02...

  • Page 3: Technical Reference

    WVR4000 and WVR5000 Waveform Rasterizers Specifications and Performance Verification Technical Reference This document applies to firmware version 3.0.X. 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.
  • 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 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 7: 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 ....................WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 8 Table of Contents List of Figures Figure 1: Wiring diagram for LTC input/Ground Closure cable ..........WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 9 Table 32: Audio Alarms ..................Table 33: WVR4000 and WVR5000 Waveform Rasterizer Functional Test Record ...... Table 34: WVR4000 and WVR5000 Waveform Rasterizer Video Performance Test Record .... Table 35: WVR4000 Waveform Rasterizer Video Performance Test Record ......Table 36: WVR4000 and WVR5000 Waveform Rasterizers Audio Test Record ......
  • Page 10 Table of Contents Table 39: Required Test Equipment (Audio) ..............WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 11: 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. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 12 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: WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 13: 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 14 Environmental Considerations viii WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 15: 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, 071-2445-XX; Japanese 071-2446-XX;...
  • Page 16 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. WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 17: Specifications

    Specifications The tables in this section list the specifications for the Tektronix WVR4000 and WVR5000 Waveform Rasterizers. 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 18 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. WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 19: Table 2: Waveform Sweep (Horizontal) Deflection

    Noise bandwidth is approximately 8 MHz; component Stopband null at 18 MHz ≥ 25 dB attenuation above 15 MHz only Table 5: Diamond Mode Characteristic Performance requirement Reference information Vertical Gain Accuracy ± 0.5% Fully digital system WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 20: Table 6: Arrowhead Mode (Ntsc/Pal Composite Limit Display)

    In HD formats, the full screen picture is downsampled to fit in 1024 x 768 size In Low Frame Rate formats, frames are repeated as needed to achieve XGA frame rate; similar to 3:2 pulldown on some frame rates WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 21: Table 8: Data Error Detection (Edh / Status, Under Status Button)

    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 WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 22 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 WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 23 Range 0 to –31 dBFS Adjustable digital full scale, that the user chooses as Peak Program the maximum desired level for monitored Level programs. The meter bars change to red above Peak Program level WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 24: Table 10: Audio Bar And Lissajous Display

    75 Ω Input Return Loss >25 dB relative to 75 Ω , from 0.1 to 6 MHz Input Amplitude Range 0.1 V to 2 V peak-to-peak Input Sample Rate 32k to 192k samples/sec WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 25: 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 WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 26: 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 WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 27: 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 WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 28: 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 WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 29: 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 17 W typical, 25 W max WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 30: Physical Specifications

    +40 °C, non-condensing Non Operating 5% to 90% RH (relative humidity) at up to +60 °C, non-condensing Altitude Operating Up to 9,842 feet (3,000 meters) Non Operating Up to 40,000 feet (12,192 meters) WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 31 Table 24: Environmental Performance (cont.) Category Standards or description Cooling Variable Fan. Forced air circulation with no air filter. Required Clearances Do not block more than half the vent holes on the sides WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 32: 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. WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 33: Supported Input Formats And Allowed References

    Table 27: 24 Hz, 30 Hz, and 60 Hz Frame and Field Rates Input Format Reference Format 720p 24 720p 30 720p 60 1080p 24 1080sf 1080p 30 1080sf 1080i 60 720p 24 WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 34: Table 28: Supported Standards

    1035/I 296M 1280 x 292M 4:2:2 Y’C’ C’ 720p ITU-R 720 x 292M 4:2:2 Y’C’ C’ BT.601 576/I (625) 720 x 292M 4:2:2 Y’C’ C’ 483/I (525) 293M 720 x Not supported 480/P WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 35: Alarms

    Indicates that the ANC timecode was lost for one frame but has reappeared Table 30: HD Specific Alarms Alarm Description Video Not HD Indicates that the selected SDI video input signal is not an HD format WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 36: Table 31: Sd Specific Alarms

    (Embedded) Parity Indicates incorrect parity in one or more embedded audio samples (Embedded) Group Sample Phase Indicates embedded audio streams are not time-aligned due to asynchronous audio or data error WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 37: Performance Verification

    Before performing any of the procedures and tests in this manual, the instrument 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 14.) WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 38: Test Records

    Test Record - Function Tests Table 33: WVR4000 and WVR5000 Waveform Rasterizer 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 the HD entries in the record. Table 34: WVR4000 and WVR5000 Waveform Rasterizer Video Performance Test Record Instrument Serial Number: Certificate Number: Temperature: RH %:...

  • Page 40: Test Record - Sd Only

    Test Records Test Record - SD Only The following test record covers tests of SD functionality. These tests are valid for all instruments with SD. Table 35: WVR4000 Waveform Rasterizer Video Performance Test Record Instrument Serial Number: Certificate Number: Temperature:...

  • Page 41: Test Record - Audio

    Test Records Test Record - Audio Table 36: WVR4000 and WVR5000 Waveform Rasterizers 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 WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 43: Incoming Inspection Tests

    The Audio board temperature test will give a value instead of showing the word PASS. 8. After the diagnostics are finished, the instrument state is restored. When the progress indicator in the status bar is finished, the instrument has finished initializing. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 44 2. Select CPU Color Palette Check and then press SEL. 3. Verify that 16 distinct colors are displayed. This tests the XGA data path from the CPU. 4. Record Pass or Fail in the test record for Color Palette Test. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 45 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. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 46 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. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 47 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. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 48 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. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 49 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 WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 50 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. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 51 9. From the computer, enter the IP address of the waveform rasterizer into the Web browser address line (for example, http://192.182.256.23). 10. You should see a Web page titled “Tektronix WVR4000/WVR5000 Remote Interface” or something similar. This means that the Ethernet function is working.

  • Page 52: 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 WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 53: Hd Video Tests

    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 54 CRC. Check under the Err Seconds column to verify that these readouts are accumulating errors at a rate of one per second. 9. Record Pass or Fail in the test record. 10. Press Reset on the HDST1 module. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 55 6. Connect a second cable to the other port of the cable clone section. 7. Connect a cable from the cable clone to the SDI A input connector. 8. Connect an output from the DVG1 to the SDI B input connector. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 56 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. WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 57: Sd Video Tests

    3. Connect the Cable Clone output to the waveform rasterizer 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. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 58 4. Apply an NTSC 0% Flat Field signal from the AVG1 output to the Reference input of the waveform rasterizer. Terminate the other Reference input with a precision termination. 5. Check that the lower-left corner of the waveform rasterizer display shows the proper standard for the reference. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 59 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. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 60 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. WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 61 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. WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 62: 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 WVR4000 and WVR5000 Specifications and Performance Verification...

  • Page 63: Audio Tests

    Audio Performance Verification Procedures The following tests verify that the Audio module for the WVR4000 and WVR5000 Waveform Rasterizers meets the warranted characteristics listed in the Specifications chapter. Characteristics with typical specifications (not warranted) are also checked with pass/fail criteria.
  • Page 64 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 WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 65 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: Control or Setting Value Sample Frequency 48 kHz WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 66 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 Ch1 Range AUTO WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 67 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: WVR4000 and WVR5000 Specifications and Performance Verification...
  • Page 68 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. WVR4000 and WVR5000 Specifications and Performance Verification...

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