Tektronix TG700 Technical Reference
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Tektronix TG700 Technical Reference

Tv signal generator platform
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TG700
TV Signal Generator Platform
Specifications and Performance Verification
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Technical Reference
*P077013706*
077-0137-06

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  • Page 1 TG700 TV Signal Generator Platform Specifications and Performance Verification Technical Reference *P077013706* 077-0137-06...
  • Page 3 TG700 TV Signal Generator Platform Specifications and Performance Verification Technical Reference This document applies to firmware version 5.6 and above. www.tektronix.com 077-0137-06...
  • 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

    BG7 Module Performance Verification..............DVG7 Module Performance Verification ..............GPS7 Module Performance Verification ..............HD3G7 Module Performance Verification............... HDLG7 Module Performance Verification .............. HDVG7 Module Performance Verification .............. SDI7 Module Performance Verification ..............TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 8 Figure 29: Equipment connections for verifying the HDVG7 serial digital outputs ..... Figure 30: Equipment connection for verifying the output level and eye pattern ......Figure 31: Example of eye pattern for an acceptable output signal........TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 9 Table 34: LTC outputs .................... Table 35: LTC inputs....................Table 36: GPI signals ..................... Table 37: Genlock function (valid only for models with REF IN connector on rear panel) ....Table 38: Environmental characteristics ................ TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 10: Table 2: Environmental Characteristics

    Table 76: Signal sets assigned to the test signal buttons ............Table 77: Embedded audio and ancillary data..............Table 78: SD-525 (720 × 486) .................. Table 79: SD-625 (720 × 576) .................. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 11: Table 30: Environmental Characteristics

    Table 88: (Option 3G only) – 3G Level B (2xHD 1280 × 720) ..........Table 89: Mechanical characteristics................Table 90: Environmental characteristics ................ Table 91: Required Equipment for TG700 mainframe performance verification ......Table 92: TG700 mainframe test record ................ Table 93: Required equipment for AG7 performance verification ...........

  • Page 12: 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. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 13 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: TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 14 General Safety Summary viii TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 15: Preface

    Preface This manual describes the specifications and performance verification procedures for the TG700 TV Signal Generator Platform and related modules. It is divided into two sections: Specifications and Performance Verification. The first section provides physical and electrical specifications. The latter section provides performance verification procedures.

  • Page 16: Related User Documents

    Preface Related User Documents Following is a list of documents that contain user information about the TG700 and its related modules: The TG700 TV Signal Generator Platform User Manual (Tektronix part number 071-1970-XX English, 071-1971-XX Japanese) describes how to install and operate the mainframe and related modules.

  • Page 17: Specifications

    TG700 Mainframe Specifications The following tables list certification and compliance information, and the electrical, environmental, and mechanical characteristics of the TG700 mainframe. Electrical Characteristics The following table lists the electrical characteristics of the TG700 mainframe. Table 1: Electrical characteristics Characteristic Performance requirements...
  • Page 18 , 5 Hz to 500 Hz, 10 min, three axes rms) Nonoperating 22.3 m/s (2.28 G , 5 Hz to 500 Hz, 10 min, three axes rms) Shock, Nonoperating 294 m/s (30 G), half-sine, 11 ms duration TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 19: Figure 1: Tg700 Dimensions

    , net Approximately 5.5 kg (mainframe only, without rack rail) Weight of the TG700 will vary depending on the number and type of generator or other modules installed. Figure 1: TG700 dimensions TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 20: Ag7 Specifications

    User selectable by the internal jumper. Level 1 is selected at the factory. Level 1 CMOS compatible High > 2.1 V, Low < 0.8 V Level 2 1± 0.1 V Measured across 75 Ω. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 21: Table 7: Output Timing

    , 5 Hz to 500 Hz, 10 min, three axes rms) Nonoperating 23.3 m/s (2.38 G , 5 Hz to 500 Hz, 10 min, three axes rms) Shock, nonoperating 294 m/s (30 G), half-sine, 11 ms duration TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 22: Agl7 Specifications

    Black burst or Trilevel sync When the black burst is selected, the signal BLACK3 to be the same signal as BLACK 2 is output. Burst amplitude accuracy ± 2% Sync amplitude accuracy ± 2% TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 23: Table 11: Word Clock Signal Output

    , 5 Hz to 500 Hz, 10 min, three axes rms) Non-operating 23.3 m/s (2.38 G , 5 Hz to 500 Hz, 10 min, three axes rms) Shock, non-operating 294 m/s (30 G), half-sine, 11 ms duration TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 24: Atg7 Specifications

    Output signals NTSC and Composite Sync NTSC No Composite Blanking Setup Subcarrier H Drive V Drive Field Reference Composite Sync Subcarrier Composite Blanking H Drive V Drive Field Reference PAL Pulse TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 25: Table 14: Color Bars Signal Output

    Maximum 18 characters Luminance amplitude accuracy ± 1% Measured at 700 mV. Chrominance to luminance gain ± 2% Chrominance is measured at red portion of the 75% Color Bar Over Red signal. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 26: Table 15: Test Signal Output

    CCIR 17, CCIR 18, CCIR 330, CCIR 331, UKITS 1, UKITS 2, UK 1 Line ITS, ITS Matrix ID text Maximum 18 characters Luminance amplitude accuracy ± 1% Measured at 700 mV. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 27: Table 16: Common Outputs Characteristics

    , 5 Hz to 500 Hz, 10 min, three axes rms) Nonoperating 23.3 m/s (2.38 G , 5 Hz to 500 Hz, 10 min, three axes rms) Shock, nonoperating 294 m/s (30 G), half-sine, 11 ms duration TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 28: Avg7 Specifications

    Relative to CH 1 channel delay Group delay, ≤ 5 ns to 5 MHz typical SCH Phase ≤ 1.25 ns (± 1.6° at 3.58 MHz and (plus-min) 2° error, typical at 4.43 MHz) TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 29: Table 20: Environmental Characteristics

    , 5 Hz to 500 Hz, 10 min, three axes rms) Non-operating 22.36 m/s (2.28 G , 5 Hz to 500 Hz, 10 min, three axes rms) Shock, non-operating 588 m/s (60 G), half-sine, 11 ms duration TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 30: Awvg7 Specifications

    Measured with 100% Flat Field test signal. Pulse/bar ratio 1:1 within 0.5% with 2T5 pulse and bar signal. DC offset ≤ 10 mV Return loss ≥ 35 dB to 30 MHz TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 31: Table 23: Environmental Characteristics

    , 5 Hz to 500 Hz, 10 min, three axes rms) Non-operating 22.36 m/s (2.28 G , 5 Hz to 500 Hz, 10 min, three axes rms) Shock, non-operating 588 m/s (60 G), half-sine, 11 ms duration TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 32: Bg7 Specifications

    Black burst with field ID Luminance amplitude accuracy ± 1% Measured at 700 mV. Chrominance to luminance gain ± 2% Chrominance is measured at red portion of the 75% Color Bars Over Red signal. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 33: Table 26: Environmental Characteristics

    , 5 Hz to 500 Hz, 10 min, three axes rms) Nonoperating 23.3 m/s (2.38 G , 5 Hz to 500 Hz, 10 min, three axes rms) Shock, 294 m/s (30 G), half-sine, 11 ms duration nonoperating TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 34: Dvg7 Specifications

    16 channels in 4 groups; 8 AES/EBU audio pairs Audio tones Frequency Silence to 20 kHz; 31 discrete settings Level –60 to 0 dBFS in 1 dB steps Pre-emphasis Emphasis status bits can be inserted. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 35 , 5 Hz to 500 Hz, 10 min, three axes rms) Non-operating 23.3 m/s (2.38 G , 5 Hz to 500 Hz, 10 min, three axes rms) Shock, non-operating 294 m/s (30 G), half-sine, 11 ms duration TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 36: Gps7 Specifications

    Tri-Level Sync Rise and Fall time 50 ns (typical) ±5 deg for NTSC and PAL Timing Adjust Composite Each output individually adjustable over ±½ the color frame with 0.5 deg of subcarrier resolution TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 37: Table 32: Antenna Input

    Antenna power state is displayed on UI Else “Nominal” in GPS7 status screen. Rear LED shows green flashing if open, green steady if nominal, red if shorted, and off if the power is not enabled. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 38: Table 33: Timebase

    <0.2 ppm per year for Internal and Stay Genlock mode at constant temperature Timing behavior when locked Displays “Locked” if within 150 ns of absolute time as detected by GPS signal (GPS mode only) TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 39 7 Locked >> Signal Quality > 16 8 Locked >>> Signal Quality > 26 9 Locked >>>> Signal Quality > 42 10 Locked >>>>> Signal Quality >68 11 Locked >>>>>> Signal Quality > 110 TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 40: Table 34: Ltc Outputs

    0 dB hum-to-signal ratio Error Immunity 100 consecutive frames with consistent time code must be detected for time to be considered valid. Input Impedance Nominal 600 Ω differential, 300 Ω single ended TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 41: Table 36: Gpi Signals

    Output Duration (typical) Signal Alarms asserted as long as the error condition exists. Timer based outputs asserted for the 1 sec that the selected time counter matches the user defined time. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 42: Table 37: Genlock Function (Valid Only For Models With Ref In Connector On Rear Panel)

    Allowed video SNR VITC will be correctly decoded for signals with more that 30 dB SNR TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 43: Table 38: Environmental Characteristics

    5% to 90% (No condensation); Maximum wet-bulb temperature 40.0 °C Altitude Operating To 4.5 km (15,000 feet) Maximum operating temperature decreases 1 °C each 300 m above 1.5 km. Nonoperating To 15 km (50,000 feet) TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 44: Hd3G7 Specifications

    50 Hz, limited by generator jitter floor spec. Return loss, typical ≥ 20 dB 5 MHz to 2.5 GHz ≥ 10 dB 2.5 GHz to 3 GHz Overshoot, typical < 5% TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 45: Table 40: Trigger / Clock Outputs

    Into 50 Ω Rise and fall times, ≤ 135 ps 20% to 80% typical Jitter, typical ≤ 10 ps RMS max Return loss, typical ≥ 15 dB 10 MHz to 300 MHz TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 46: Table 41: Hd Sdi Input

    Signal rise and fall time, 3 Gb and HD Y = 33.3 ns, Cb/Cr = 66.6 ns except for RP219 which has Y, Cb, Cr = 55 ns signal with 74.25 MHz and 74.176 MHz luma pixel rate, typical TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 47: Table 43: Signal Sets Assigned To The Test Signal Buttons

    Specifications Refer to the TG700 User Manual for a full description of the test signals. Table 43: Signal sets assigned to the test signal buttons Button name Signals in the signal set Description COLOR BAR 100% Color Bars, 75% Color Bars (100% White),...
  • Page 48 Red-1 Field, Red-2 Field, These signals are not part of the factory installed signal sets. Green-1 Field, Green-2 Field, You must install the enhanced signal sets on the TG700 SW and Blue-1 Field, Blue-2 Field, Documentation DVD to access these signals.

  • Page 49: Table 44: Convertor Mode Embedded Audio And Ancillary Data

    ATC-LTC and ATC-VITC can be inserted in the signal as a user-defined time or, if a GPS7 module is present, the timecode can be the time of day of the GPS7. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 50: Table 46: Generator Mode – Hd-Sdi (1920 × 1080)

    4:4:4 10b Table 50: Generator mode – 3G Level A (2K × 1080) Structure 59.94i 60i 23.98p 24p 25p 29.97p 30p 50p 59.94p 60p 23.98psf 24psf 25psf 29.97psf 30psf 4:4:4 12b TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 51: Table 51: Generator Mode – 3G Level B (1920 × 1080)

    Table 54: Generator mode – 3G Level B (2xHD 1280 × 720) Structure 59.94i 50i 60i 23.98p 24p 25p 29.97p 30p 50p 59.94p 60p 23.98psf 24psf 25psf 29.97psf 30psf 4:2:2 10b YCbCr TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 52: Table 55: Converter Mode – 3G Level A (1920 × 1080)

    59.94 60 23.98 29.97 59.94 23.98 29/97 3 Gb Output Format 59.94i 60i 23.98p 24p 25p 29.97p 30p 50p 59.94p 60p 23.98psf 24psf 25psf 29.97psf 30psf Output sample structure YCbCr 4:2:2 10b TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 53: Table 58: Mechanical Characteristics

    0.27 G , 5 Hz to 500 Hz, 10 minutes per axis, three axes rms) Non-operating 2.28 G , 5 Hz to 500 Hz, 10 minutes per axis, three axes rms) TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 54: Hdlg7 Specifications

    Accuracy of synthesizer generated 0.2% test signals, typical Timing offset of Link B in reference to ± 200 ns min. Adjustment in steps of the clock period (13.5 ns) Link A TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 55: Table 63: Synthesizer Generated Hd Test Signals

    The color bar levels are as follows: Levels White 3794 3960 3890 Yellow 3461 3777 2065 3085 3590 3756 Cyan Green 2767 3493 2325 Magenta 3062 2421 3497 2738 2171 1233 Blue 1800 1416 3203 Black TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 56 The X component value is 0.95808 of the Y component except a minimum of 16. The Z component value is 0.98232 of the Y component except a minimum of 16. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 57: Table 65: Embedded Audio And Ancillary Data

    Link A per SMPTE 372M standard or on Link B or on both for testing purposes. Ancillary data Embedded ancillary data on 4:2:2 video input is placed on the Link A video outputs as per SMPTE 372M. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 58: Table 66: Supported Input And Output Formats (Smpte 274M To Smpte 372M Standards)

    All indicates 1920 x 1080 30, 30/1.001, 25, 24, and 24/1.001 progressive, PsF or 60, 60/1.001, and 50 interlaced. Note that 30, 30/1.001, and 25 PsF inputs will be decoded as 60, 60/1.001, and 50 interlace. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 59: Table 67: Mechanical Characteristics

    , 5 Hz to 500 Hz, 10 min, three axes rms) Non-operating 23.3 m/s (2.38 G , 5 Hz to 500 Hz, 10 min, three axes rms) Shock, Non-operating 294 m/s (30 G), half-sine, 11 ms duration TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 60: Hdvg7 Specifications

    ≤ 270 ps 20% to 80% typical Jitter, typical ≤ 135 ps Alignment jitter Return loss ≥ 15 dB 5 MHz to 750 MHz ≥ 10 dB 750 MHz to 1.485 GHz TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 61: Table 71: Embedded Audio

    , 5 Hz to 500 Hz, 10 min, three axes rms) Non-operating 23.3 m/s (2.38 G , 5 Hz to 500 Hz, 10 min, three axes rms) Shock, non-operating 294 m/s (30 G), half-sine, 11 ms duration TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 62: Sdi7 Specifications

    0.12 UI typical 3 Gb timing jitter, typical 80 ps p-p 0.24 UI HD alignment jitter, 40 ps p-p 0.06 UI typical HD timing jitter, typical 80 ps p-p 0.12 UI TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 63 D to A conversion, the sync of the resulting analog signal is aligned within (DAC)” timing mode, 0.5 μs of the reference edge of an analog reference signal at the same typical frame rate. Vertically, the first lines with the broad pulses are aligned. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 64: Table 74: Trigger / Clock Output

    For 74 MHz Luma pixels rate signals, HAD = 33.33 ns For SD signals at 13.5 MHz Luma pixel rate, HAD is 200 ns (2T5) for 625 and 250 ns (2T4) for 525 TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 65: Table 76: Signal Sets Assigned To The Test Signal Buttons

    These signals are not part of the factory installed signal sets. 30% Flat Field, 40% Flat Field, You must install the enhanced signal sets on the TG700 SW and 60% Flat Field, 70% Flat Field, Documentation DVD to access these signals.
  • Page 66 These signals are not part of the factory installed signal sets. Black to White-3, Black to White-4, You must install the enhanced signal sets on the TG700 SW and Black to White-5, Black to White-6, Documentation DVD to access these signals.

  • Page 67: Table 77: Embedded Audio And Ancillary Data

    DC value. User specifiable location (for example, HANC/VANC, line number) for this packet. Video payload SMPTE 352 Video Payload Identifier is placed on the video outputs as per SMPTE 425M identifier TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 68: Table 78: Sd-525 (720 × 486)

    4:4:4 10b Table 84: (Option 3G only) – 3G Level A (2K × 1080) Structure 59.94i 60i 23.98p 24p 25p 29.97p 30p 50p 59.94p 60p 23.98psf 24psf 25psf 29.97psf 30psf 4:4:4 12b TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 69: Table 85: (Option 3G Only) – 3G Level B (1920 × 1080)

    Table 88: (Option 3G only) – 3G Level B (2xHD 1280 × 720) Structure 59.94i 50i 60i 23.98p 24p 25p 29.97p 30p 50p 59.94p 60p 23.98psf 24psf 25psf 29.97psf 30psf 4:2:2 10b YCbCr TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 70: Table 89: Mechanical Characteristics

    0.27 G , 5 Hz to 500 Hz, 10 minutes per axis, three axes rms) Non-operating 2.28 G , 5 Hz to 500 Hz, 10 minutes per axis, three axes rms) TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 71: Performance Verification

    Press the left (◄) arrow button until Factory Default appears. d. Press the ENTER button to load the preset. 5. When loading is complete, press the CANCEL button to exit the Factory Default menu. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 72: Tg700 Mainframe Performance Verification

    Performance Verification Warm Up The TG700 and test equipment must have had a warm-up period of at least 20 minutes before you start a performance verification procedure. TG700 Mainframe Performance Verification The following procedures verify the functionality of the TG700 TV Signal Generator Platform mainframe.

  • Page 73: Table 92: Tg700 Mainframe Test Record

    Photocopy this table and use it to record the performance test results. Table 92: TG700 mainframe test record Serial Number Cal Date Temperature Humidity Function Tested Minimum Maximum Step Cal Data Subcarrier Frequency 3.5795418 MHz 3.5795490 MHz TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 74: Figure 2: Equipment Connection For Verifying Subcarrier Frequency

    Be sure you have performed the performance verification preparation before proceeding. (See page 55, Performance Verification.) WARNING. Dangerous electric shock hazards exist inside the TG700 mainframe. Only qualified service personnel should perform these procedures. Subcarrier Frequency. This test verifies the subcarrier frequency accuracy of black burst signals. The...

  • Page 75: Ag7 Module Performance Verification

    4. Set the frequency counter to trigger on the input, and then verify that the displayed frequency is within the range of 3.5795418 MHz to 3.5795490 MHz. This completes the TG700 mainframe performance verification procedure. If you require further assistance, contact your nearest Tektronix Service Center.

  • Page 76: Table 94: Ag7 Test Record

    Digital Audio Output 900 mV 1100 mV Level 900 mV 1100 mV 900 mV 1100 mV SILENCE Output 900 mV 1100 mV Level High 2.1V 48 kHz Clock Output Level 0.8V (CMOS compatible) TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 77: Figure 3: Initial Equipment Connection For Verifying The Serial Digital Audio Outputs

    (See page 55, Performance Verification.) Performance verification procedures can be performed individually if desired. WARNING. Dangerous electric shock hazards exist inside the TG700 mainframe. Only qualified service personnel should perform these procedures. Serial Digital Audio Outputs. This test verifies that serial digital audio signals are output correctly from the 1+2, 3+4, 5+6, 7+8, and SILENCE connectors.
  • Page 78 Amplitude 3. Recall the Factory Default preset as follows: a. Press the MODULE button to display the TG700 main menu. b. Use the up (▲) or down (▼) arrow button to select RECALL. c. Use the left (◄) or right (►) arrow button to select Factory Default.

  • Page 79: Figure 4: Second Equipment Connection For Verifying The Serial Digital Audio Outputs

    This test verifies that 48 kHz clock signal are output correctly from the 48 kHz CLOCK connector. The following equipment is required for this test: Oscilloscope 75 Ω BNC cable 75 Ω feed-through terminator TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 80: Figure 5: Equipment Connection For Verifying The 48 Khz Clock Output

    3. Use the oscilloscope to measure that the signal amplitude is as follows: Low: < 0.8 V High: > 2.1 V This completes the AG7 module performance verification procedure. If you require further assistance, contact your nearest Tektronix Service Center. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 81: Agl7 Module Performance Verification

    Precision: 7 digits or higher 75 Ω BNC cable Length: 42 inches Tektronix part number 012-0074-00 75 Ω feed-through Tektronix part number 011-0103-02 terminator 75 Ω coaxial terminator Tektronix part number 011-0102-01 TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 82: Table 96: Agl7 Test Record

    BLACK 3 Sync Amplitude BLACK 2 294.0 mV 306.0 mV plus BLACK 3 294.0 mV 306.0 mV Sync Amplitude BLACK 2 294.0 mV 306.0 mV minus BLACK 3 294.0 mV 306.0 mV TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 83 Be sure you have performed the performance verification preparation before proceeding. (See page 55, Performance Verification.) WARNING. Dangerous electric shock hazards exist inside the TG700 mainframe. Only qualified service personnel should perform these procedures. Genlock Function. This test verifies that the genlock function is operating correctly. The following...

  • Page 84: Figure 6: Equipment Connections For Verifying The Genlock Function

    8. Press the GAIN menu button on the waveform vector monitor front panel to display the Gain menu. 9. In the Gain menu, select X5 and VARIABLE. 10. Align the PAL burst vector with the compass rose of the display. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 85 Performance Verification 11. Recall the Factory Default preset as follows: a. Press the MODULE button to display the TG700 main menu. b. Press the up (▲) or down (▼) arrow button to select RECALL. c. Press the left (◄) or right (►) arrow button to select Factory Default.
  • Page 86 Press and hold the MODULE, FORMAT, and FRONT PANEL ENABLE buttons on the TV signal generator (TG700) simultaneously until TG700 Preset appears in the display, then release the MODULE and FORMAT buttons to restart the instrument in Factory mode.

  • Page 87: Figure 7: Equipment Connection For Verifying The Trilevel Sync Outputs

    Press the up (▲) or down (▼) arrow button to select SELECT OUTPUT. b. Press the left (◄) or right (►) arrow button to select BLACK 2, and then press ENTER to access the OUTPUT submenu. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 88 The following equipment is required for the test: Oscilloscope Video measurement set 75 Ω feed-through terminator 75 Ω terminator Perform the following procedure to verify the blanking level, burst amplitude, and sync amplitude of black burst signals. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 89 4. Verify that the blanking level is within the range of +50 mV to –50 mV. 5. Move the BNC cable connection from the BLACK 1 connector to the BLACK 2 connector on the AGL7 Genlock module and repeat step 4. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 90: Figure 8: Equipment Connection For Verifying Burst And Sync Amplitude

    15. Press the Select Line button and rotate the front-panel knob to set the measurement line to 100 (Field=1 Line=100). 16. Verify that the burst and sync amplitude are within the range of 280.0 mV to 291.4 mV. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 91: Figure 9: Equipment Connection For Verifying Subcarrier Frequency

    3. Output the NTSC subcarrier calibration signal as follows: a. Press and hold the MODULE, FORMAT, and FRONT PANEL ENABLE buttons simultaneously until TG700 Preset appears in the display, then release the MODULE and FORMAT buttons to restart the instrument in Factory mode.

  • Page 92: Figure 10: Location Of The J040 And J960 Connectors

    CW (48 KHz CLOCK) connector. 1. Disconnect the power cable from the TG700 mainframe. 2. Remove the AGL7 Genlock module from the TG700 mainframe. 3. Change internal cabling to output the 48 kHz clock signal from the CW connector: a.

  • Page 93: Figure 11: Equipment Connection For Verifying The 48 Khz Clock Output

    8. Use the oscilloscope to measure that the signal amplitude is as follows: Low: < 0.8 V High: > 2.1 V This completes the AGL7 module performance verification procedure. If you require further assistance, contact your nearest Tektronix Service Center. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 94: Atg7 Module Performance Verification

    Tektronix VM700T Option 01/11 75 Ω BNC cable Length: 42 inches Tektronix part number 012-0074-00 75 Ω feed-through Tektronix part number 011-0103-02 terminator 75 Ω coaxial terminator Tektronix part number 011-0102-01 TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 95: Table 98: Atg7 Test Record

    Gain (Measured on —— Phase 0.5 ° Modulated 5 Step signal) —— Luminance Linearity 1.0% Error (Measured on 5 Step signal) Frequency Response –1.0% 1.0% (to 5.0 MHz) (Measured on 100% Multiburst signal) TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 96 BLACK 2 (Peak to 280 mV 291.4 mV Peak value) Sync Amplitude SIGNAL 280 mV 291.4 mV BARS 280 mV 291.4 mV BLACK 1 280 mV 291.4 mV BLACK 2 280 mV 291.4 mV TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 97: Figure 12: Equipment Connection For Verifying Pulse Amplitude

    Figure 12: Equipment connection for verifying pulse amplitude 2. Recall the Factory Default preset as follows: a. Press the MODULE button to display the TG700 main menu. b. Press the up (▲) or down (▼) arrow button to select RECALL.
  • Page 98 This test verifies the blanking level, burst amplitude, and sync amplitude of black burst signals. The following equipment is required for the test: Oscilloscope Video measurement set 75 Ω BNC cable 75 Ω feed-through terminator 75 Ω coaxial terminator TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 99 Trig source Trig polarity Negative Trig field Odd Field Trig line Trig mode MONO (2 Field) 5. Verify that the blanking level is within the range of –50 mV to +50 mV. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 100: Figure 13: Equipment Connection For Verifying Burst And Sync Amplitude

    15. Touch the Average soft key and rotate the front-panel knob to set the value to 32. 16. Touch the RS-170A soft key. 17. Press the Select Line button and rotate the front-panel knob to set the measurement line to 100 (Field=1 Line=100). TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 101 Bar measurement display. 5. Press the Menu button to display the Color Bar main menu. 6. Touch the Average soft key and rotate the front-panel knob to set the value to 256. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 102 7. Press the Select Line button and rotate the front-panel knob to set the measurement line to 100 (Field=1 Line=100). 8. Verify that the luminance gain (level) is within the range of 707.2 mV to 721.0 mV. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 103 2. Press the Measure button on the video measurement set to open the Measure mode display. 3. Touch the Video Standard soft key to recognize the applied video signal as NTSC. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 104 Perform the following procedure to verify the differential phase and gain of the modulated 5 step signal from the SIGNAL output. Use the equipment connection and controls from the previous test. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 105 15. Verify that the p-p/max value of the differential gain is less than or equal to 0.5%. 16. Verify that the peak to peak value of the differential phase is less than or equal to 0.5 degree. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 106 3. In the Measure mode display, touch the Multiburst soft key to open the multiburst measurement display. 4. Press the Menu button, and then touch the Average soft key and rotate the front-panel knob to set the value to 256. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 107: Avg7 Module Performance Verification

    75 Ω signal adapter Bandwidth: 1 GHz Amplitude precision: Tektronix AMT75 –3 dB BNC T connector Tektronix part number 103-0030-00 BNC female-to-dual Tektronix part number 103-0090-00 banana adapter BNC female-to-female Canare BCJ-J connector TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 108: Table 100: Avg7 Test Record

    (Measured on (Peak to Peak value) NTSC: FCC —— CH 2 Output ≤ 0.5% 0.5% Composite signal) (Peak to Peak value) —— CH 3 Output ≤ 0.5% 0.5% (Peak to Peak value) TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 109 CH 3 Output (DG) ≤ 0.5% 0.5% —— CH 1 Output (DP) ≤ ° 0.5° 0.5° —— CH 2 Output (DP) ≤ ° 0.5° 0.5° —— CH 3 Output (DP) ≤ ° 0.5° 0.5° TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 110: Figure 14: Equipment Connection For Verifying The Dc Offset And Amplitude Error

    MODULE and FORMAT buttons to restart the instrument in Factory mode. Continue holding down the FRONT PANEL ENABLE button until the “TG700 start up with Factory Mode.” message appears. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 111 17. Read the value on the digital multimeter, and note this value as CH3_DC1. 18. Verify that CH3_DC1−CH3_DC0 is within the range of 693.0 mV to 707.0 mV. Note this value as CH3_V1. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 112 2. Use the 75 Ω BNC cable and the 75 Ω signal adapter to connect the upper CH 2 connector on the AVG7 Generator module to the CH 2 input connector on the oscilloscope as shown in the following figure. (See Figure 15.) TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 113: Figure 15: Equipment Connection For Verifying The Channel-To-Channel Delay

    MODULE and FORMAT buttons to restart the instrument in Factory mode. Continue holding down the FRONT PANEL ENABLE button until the “TG700 start up with Factory Mode.” message appears. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 114 This test verifies the frequency response of the DAC test signal from the CH 1, CH 2, and CH 3 outputs. The following equipment is required for the test: Oscilloscope Peak detector Peak detector head Test signal generator TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 115: Figure 16: Equipment Connection For Verifying The Frequency Response

    BLACK 1 connector on the test signal generator to the CH 2 input connector on the oscilloscope as shown in the following figure. Figure 16: Equipment connection for verifying the frequency response TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 116 MODULE and FORMAT buttons to restart the instrument in Factory mode. Continue holding down the FRONT PANEL ENABLE button until the “TG700 start up with Factory Mode.” message appears. 6. Set the test signal generator (ATG7 module) settings as follows:...

  • Page 117: Figure 17: Verifying The Signal Amplitudes From 500 Khz To 5 Mhz

    CH 2 connector on the AVG7 Generator module and repeat steps 10 and 11. 16. Move the peak detector head from the lower CH 2 connector to the lower CH 3 connector on the AVG7 Generator module and repeat steps 10 and 11. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 118: Figure 18: Equipment Connection For Verifying The Line Time Distortion

    4. Press the Measure button on the video measurement set to open the Measure mode display. 5. Touch the Video Standard soft key to recognize the applied video signal as NTSC. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 119 NTSC. 5. In the Measure mode display, touch the Two Field to open the Two Field measurement display. 6. Press the Menu button to display the Two Field main menu. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 120 7. Touch the Average soft key and rotate the front-panel knob to set the value to 256. 8. Press the Select Line button and rotate the front-panel knob to set the measurement line to 17 (Field=1 Line=17). TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 121 5. Press the Measure button on the video measurement set to open the Measure mode display. 6. Touch the Video Standard soft key to recognize the applied video signal as NTSC. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 122 AVG7 Generator module and repeat steps 14 and 15. 18. Move the BNC cable from the upper CH 3 connector to the upper CH 1 connector on the AVG7 Generator module. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 123 14.5 m Sec 1 st Step 18.8 m Sec Last Step 51.3 m Sec Measure Cycle Block Mode Block Mode Start F1 23 Block Lines Block Step 26. Repeat steps 10 through 17. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 124 Press the MODULE button to display the AVG7 main menu. b. Press the FORMAT button to select 525 GBR, and then press ENTER. c. Press the COLOR BAR button to select 75% Color Bars. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 125: Figure 19: Equipment Connection For Checking The Color Bars Signal

    CH 3 connector to the lower CH 3 connector on the AVG7 Generator module and repeat step 8. This completes the AVG7 module performance verification procedure. If you require further assistance, contact your nearest Tektronix Service Center. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 126: Awvg7 Module Performance Verification

    Cal Data Maximum Tested Format: 1080 59.94i GBR Absolute Amplitude CH 1 Output 693.0 mV 707.0 mV CH 2 Output 693.0 mV 707.0 mV CH 3 Output 693.0 mV 707.0 mV TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 127 (Peak to Peak value) (Measured on —– CH 2 Output ≤ 0.5% 0.5% 100% Flat Field (Peak to Peak value) signal) —– CH 3 Output ≤ 0.5% 0.5% (Peak to Peak value) TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 128: Figure 20: Equipment Connection For Verifying The Dc Offset And Amplitude Error

    MODULE and FORMAT buttons to restart the instrument in Factory mode. Continue holding down the FRONT PANEL ENABLE button until the “TG700 start up with Factory Mode.” message appears. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 129 16. Move the BNC cable from the upper CH 2 connector to the upper CH 3 connector on the AWVG7 Generator module. 17. Read the value on the digital multimeter, and then note this value as CH3_DC1. 18. CH3_DC1CH3_DC0 CH3_V1 CH3_DC0 CH3_V1 TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 130 2. Use the 75 Ω BNC cable to connect the OUTPUT connector on the peak detector amplifier to the CH 1 input connector on the oscilloscope as shown in the following figure. (See Figure 21.) TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 131: Figure 21: Equipment Connection For Verifying The Frequency Response

    MODULE and FORMAT buttons to restart the instrument in Factory mode. Continue holding down the FRONT PANEL ENABLE button until the “TG700 start up with Factory Mode.” message appears. 5. Select the DAC Test calibration signal as follows: a.

  • Page 132: Figure 22: Verifying The Signal Amplitudes

    9. 11. Move the peak detector head from the upper CH 2 connector to the upper CH 3 connector on the AWVG7 Generator module and repeat steps 11 through 9. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 133: Figure 23: Equipment Connection For Verifying The Field Time Distortion

    Vertical scale CH 1: 5 mV/div, CH 2: 1.00 V/div 700 mV Vertical offset Horizontal scale 5 ms/div Horizontal delay time 5.0 μs/div Delayed runs time 343.0 μs (Delayed Only) Trigger position TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 134 AWVG7 Generator module and repeat steps 6 through 11. 13. Move the BNC cable from the upper CH 2 connector to the upper CH 3 connector on the AWVG7 Generator module and repeat steps 6 through 11. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 135 Measure CH 1 MAX, CH 1 MIN 3. Set the test signal generator (ATG7 module) settings as follows: Control Setting Output selection BLACK 1 Signal format NTSC Test signal Field Reference TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 136 4. Use the 75 Ω coaxial terminations to terminate the Y/G OUT, P /B OUT, and /R OUT connectors on the color picture monitor. 5. Set the display setting of the color picture monitor to the GBR mode. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 137: Figure 24: Equipment Connection For Checking The Color Bars Signal

    CH 3 connector to lower CH 3 connector on the AWVG7 Generator module and repeat step 8. This completes the AWVG7 module performance verification procedure. If you require further assistance, contact your nearest Tektronix Service Center. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 138: Bg7 Module Performance Verification

    280.0 mV 291.4 mV Peak Value) Sync Amplitude BLACK 1 280.0 mV 291.4 mV BLACK 2 280.0 mV 291.4 mV BLACK 3 280.0 mV 291.4 mV 280.0 mV 291.4 mV BLACK 4 TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 139 Be sure you have performed the performance verification preparation before proceeding. (See page 55, Performance Verification.) WARNING. Dangerous electric shock hazards exist inside the TG700 mainframe. Only qualified service personnel should perform these procedures. Trilevel Sync Outputs. This test verifies the blanking level and sync amplitude of trilevel sync signals.

  • Page 140: Figure 25: Equipment Connection For Verifying The Trilevel Sync Outputs

    Figure 25: Equipment connection for verifying the trilevel sync outputs 2. Recall the Factory Default preset as follows: a. Press the MODULE button to display the TG700 main menu. b. Press the up (▲) or down (▼) arrow button to select RECALL.
  • Page 141 75 Ω coaxial terminator Perform the following procedure to verify that the blanking level, burst amplitude, and sync amplitude of black burst signals. Use the equipment connection and controls from the previous test. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 142 3 connector on the BG7 Generator module and repeat step 4. 7. Change the BNC cable connection from BLACK 3 connector to the BLACK 4 connector on the BG7 Generator module and repeat step 4. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 143: Figure 26: Equipment Connection For Verifying Burst And Sync Amplitude

    3 connector on the BG7 Generator module and repeat step 16. 19. Change the BNC cable connection from BLACK 3 connector to the BLACK 4 connector on the BG7 Generator module and repeat step 16. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 144 4 connector on the BG7 Generator module and repeat steps 8 and 9. This completes the BG7 module performance verification procedure. If you require further assistance, contact your nearest Tektronix Service Center. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 145: Dvg7 Module Performance Verification

    Time (20% to 80% BLACK 2 0.40 ns 1.50 ns amplitude points) 0.40 ns 1.50 ns Serial Output Fall BLACK 1 Time (20% to 80% BLACK 2 0.40 ns 1.50 ns amplitude points) TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 146: Figure 27: Equipment Connection For Verifying The Serial Digital Outputs

    Be sure you have performed the performance verification preparation before proceeding. (See page 55, Performance Verification.) WARNING. Dangerous electric shock hazards exist inside the TG700 mainframe. Only qualified service personnel should perform these procedures. Serial Digital Outputs. This test verifies that serial digital signals are output correctly from the SIGNAL 1 and SIGNAL 2 connectors.
  • Page 147 Performance Verification 3. Recall the Factory Default preset as follows: a. Press the MODULE button to display the TG700 main menu. b. Press the up (▲) or down (▼) arrow button to select RECALL. c. Press the left (◄) or right (►) arrow button to select Factory Default.
  • Page 148 Press the left (◄) or right (►) arrow button to select Enable, and then press ENTER. Press the CANCEL button to return the BLACK submenu. 22. Press the Measure button on the video measurement set to open the Measure mode display. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 149 7. Change the BNC cable connection from the SIGNAL 1 connector to the SIGNAL 2 connector and change the 75 Ω terminator from the SIGNAL 2 connector to the SIGNAL 1 connector on the DVG7 Generator module. 8. Repeat step 6. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 150 BLACK 2 connector on the DVG7 Generator module. 12. Repeat step 6. This completes the DVG7 module performance verification procedure. If you require further assistance, contact your nearest Tektronix Service Center. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 151: Gps7 Module Performance Verification

    Tektronix part number 012-1717-00 adapter cable 600 Ω LTC load with Create this item by soldering a 600 Ω meter access resistor to pins 2 and 3 of a female XLR TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 152 Pomona model 1269 adapter 75 Ω BNC cable Tektronix part number 012-0074-00 3 ft long Use to help measure voltage BNC-to-test clip adapter across 600 Ω load resistor for LTC level procedure TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 153: Table 108: Gps7 Test Record

    PAL Functional Genlock and timing Pass Fail 1080p25 Functional lock and Pass Fail timing Genlock ADC Bus Stuck Pass Fail Pass Fail Genlock ADC Bus Short Genlock Input Minimum level 1650 2650 TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 154 Pass Fail Calibration setting (AMPL. DAC number) Black 2 Ramp Pass Fail Calibration setting (AMPL. DAC number) Black 3 Ramp Pass Fail Calibration setting (AMPL. DAC number) Black amplitude and offset TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 155 2, 1080 middle of the tri-level sync Sine amplitude sine amplitude 1.35 V 1.65 V LTC level LTC 1 Maximum positive voltage Maximum negative voltage p–p voltage 4.5 V 5.5 V (difference) TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 156 Frequency accuracy when locked to GPS Vector phase change – 38 ° + 38 ° Frame timing accuracy Timing – 0.185 μs + 0.185 μs 6,000 20,000 Internal frequency Gain calibration TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 157 FRONT PANEL ENABLE button while plugging the power back into the instrument. Continue to hold the button during start up until TG700 Start up with factory mode shows on the display. 2. Restore the factory preset: a.
  • Page 158 10. Check that the voltmeter shows between 5 V and 6 V. 11. Press the CANCEL button to exit the Antenna Power menu. 12. Record the result in the test record. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 159 This will exceed the allowed current on the antenna. 13. Check that the LED on the module rear panel is a steady red. This indicates a short circuit. 14. Record the result in the test record. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 160 10. Remove the attenuators from the input to the splitter and reconnect the signal from the antenna. If possible, leave the antenna connected during subsequent tests to allow the system to stabilize. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 161 (See page 141, Start Up In Factory Mode.) 1. Use a 75 Ω BNC cable to connect the BLACK 1 connector on the reference GPS7 module in the TG700 to the BLACK 1 / REF connector on the GPS7 module under test.
  • Page 162 ENTER button. c. Press the right (►) arrow button until you see NTSC Burst in the menu, and then press the ENTER button. d. Press the CANCEL button to exit the menu. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 163 Timing in the test record if all conditions are met. If any of these conditions are not met, record Fail. Check that the Ext Ref light on the front panel of the TG700 of the module under test is a steady green.
  • Page 164 Timing in the test record if all conditions are met. If any of these conditions are not met, record Fail. Check that the Ext Ref light on the front panel of the TG700 of the module under test is a steady green.
  • Page 165 Timing in the test record if all conditions are met. If any condition is not met, record Fail. Check that the Ext Ref light on the front panel of the TG700 of the module under test is a steady green.
  • Page 166 14. Press the CANCEL button twice to exit the menu. 15. Press the up (▲) arrow button until DIAGNOSTICS appears, and then press the ENTER button. 16. Press the right arrow button until ADC BUS appears. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 167 4. Press the down (▼) arrow button until LTC1 LOOPBACK appears in the menu. 5. Press the right arrow button (►) until Enable appears in the menu, and then press the ENTER button. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 168 2. Connect a cable from the Black 1 output on the GPS7 module to the external reference input of the WFM7120, and terminate the loop through on the monitor with a 75 Ω terminator. 3. Press the EXT REF button on the WFM7120. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 169 19. Use the left (◄) arrow button to select Black Burst. 20. Press the ENTER button. 21. Check that the WFM7120 shows PAL on the reference input. 22. Record the result in the test record. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 170 5. Use the left (◄) or right (►) arrow button, if needed, to select Black 1. 6. Press the ENTER button. 7. Use the up (▲) or down (▼) arrow button to select SELECT CALIBRATION. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 171 6. Press the MODULE button to select GPS7, if it is not already selected. 7. Use the up (▲) or down (▼) arrow button to select SELECT OUTPUT. 8. Use the left (◄) or right (►) arrow button, if needed, to select Black 1. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 172 Write down the calibration setting (AMPL. DAC number) in case you need to restore it later. 12. Check that the calibration mode signal is 0 V on the TG700 display. This value is displayed in parentheses after the AMPL. DAC number.
  • Page 173 6. Use the left (◄) or right (►) arrow button to select CW 10 MHz. 7. Press the ENTER button. 8. Measure the amplitude of the sine wave on the oscilloscope. 9. Record the result in the test record. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 174 21. Record the result in the test record. 22. Press the CANCEL button to exit the menu. 23. Repeat this procedure for LTC 2, LTC 3, and LTC 4. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 175 6. Disconnect the antenna input. After 15 seconds, check that the GPI 1 output is below 0.5 V. 7. Record the result in the test record. 8. Reconnect the antenna input. 9. Repeat this procedure for the GPI 2 output. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 176 Frequency Accuracy When Locked to GPS. This procedure checks that the frequency is accurate when locked to the GPS. 1. Check that the antenna is connected to both a TG700 reference unit with a GPS7 module (or other reference instrument) and the GPS7 module under test.
  • Page 177 12. Use the variable gain function to expand the burst to overlap the compass rose graticule. 13. Write down the minimum and maximum vector phase you observe over a 30 second period. 14. Calculate the difference and record the result in the test record. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 178 This test set up is the same as the previous test. 1. Check that the antenna is connected to both a TG700 reference unit with a GPS7 module (or other reference instrument) and the GPS7 module under test, and that the instruments show the signal is locked: a.
  • Page 179 Internal mode. It can be done without any disruption to operation and is best done in the operating environment of the instrument. 1. Connect the power cord to the TG700 mainframe. 2. Check for error messages as the instrument starts.
  • Page 180 FRONT PANEL ENABLE button while plugging the power back into the instrument. Continue to hold the button during start up until TG700 Start up with factory mode shows on the LCD display. b. Allow the instrument to warm up for a minimum of 20 minutes.

  • Page 181: Hd3G7 Module Performance Verification

    Tektronix part number TCA75 adapter with BNC input connector Tekconnect adapter with Tektronix part number TCA-BNC BNC input connector MarkerTek 1694-B-B-75 20 m (75 ft) cable Cable used to optimize WFM8300 equalizer operation TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 182 Pomona model 1269 adapter BNC T Tektronix part number 103-0030-00 BNC (female) to BNC Amphenol part number 31-70019 (female) 75 Ω barrel 1 m (3 ft) 50 Ω cable Tektronix part number 012-0057-01 TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 183: Table 110: Hd3G7 Test Record

    0 UI 0.15 UI 1080 24p WFM8300 Pass Fail Input function, cable 1080 60p accommodation Jitter readout 0 UI 0.25 UI and converter Jit lock Pass Fail jitter cable length 80 m TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 184 Amplitude amplitude as measured (Typically, 328 mV) Signal 1 776 mV 824 mV amplitude calculated Signal 2 amplitude as measured (Typically, 328 mV) Signal 2 776 mV 824 mV amplitude calculated TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 185 SDI Rise and Rise time 0 ps 135 ps Fall TIme Fall time 0 ps 135 ps Signal 2 Difference -50 ps +50 ps Trigger Output Trigger 648 mV 792 mV Level amplitude TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 186 SDI A input of a WFM8300 with Options 3G and PHY. Jitter Test 2. Press the MODULE button on the TG700 to select HD3G7: STATUS. 3. Use the up (▲) or down (▼) arrow button to select OUTPUT MODE. 4. Use the left (◄) or right (►) arrow button to select 3G-Level A (1920 x 1080), and then press the ENTER button to select that mode.
  • Page 187 Output Mode to HD (1920 x 1080) and the format to 1080 24p. Input Functional, Cable 1. Press the MODULE button on the TG700 to select HDVG7: STATUS. Accommodation and 2. Press the FORMAT button to view the SELECT FORMAT submenu.
  • Page 188 HDVG7 SIGNAL 1 output and the HD3G7 HD SDI IN input. 23. Press the CANCEL button on the TG700 to exit the convertor mode menu. 24. Press the MODULE button to navigate to the HD3G7 module.
  • Page 189 Electrostatic discharge can damage the oscilloscope modules. To prevent damage, always work in a static free environment and discharge the static voltage from your body by wearing a grounded antistatic wrist strap while handling these modules. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 190 RMS sine wave amplitude. This attenuation factor will be used after measuring the signal outputs in the next test. 12. Record the attenuation factor value in the test record. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 191 Start up in factory mode. 1. At the same time, press the MODULE, FORMAT, and FRONT PANEL ENABLE buttons briefly, then continue to hold the FRONT PANEL ENABLE button until TG700 Start up with factory mode shows on the display. NOTE.
  • Page 192 13. Record the result in the test record. 14. Repeat this procedure for the SIGNAL 2 output on the HD3G7. NOTE. To ensure SDI signal lock, cycle the power on the TG700 after completing performance verification procedures in factory mode. SDI Rise and Fall Time Perform this procedure with the instrument in factory mode.
  • Page 193 10. On the oscilloscope, select Measurement 6 and set it to the channel that has the TCA-BNC. 11. On the oscilloscope, select Measure > Pulse-Amplitude > Amplitude to measure the trigger. 12. Record the results in the test record. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 194: Hdlg7 Module Performance Verification

    75 Ω BNC cable General purpose digital video Belden 9281 or Tektronix part number male-to-male BNC connectors, 1 or 012-0159-01 2 m long 75 Ω coaxial terminator Male connector, precision Tektronix part number 011-0102-03 TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 195: Table 112: Hdlg7 Test Record

    Serial Output Fall Link A (top BNC) 270 ps Time (20% to 80% Link A (bottom 270 ps amplitude points) BNC) Link B (top BNC) 270 ps Link B (bottom 270 ps BNC) TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 196: Figure 28: Equipment Connections For Verifying The Serial Digital Video Outputs

    Be sure you have performed the performance verification preparation before proceeding. (See page 55, Performance Verification.) WARNING. Dangerous electric shock hazards exist inside the TG700 mainframe. Only qualified service personnel should perform these procedures. Serial Digital Video Outputs. This test verifies that serial digital signals are output correctly from the LINK A and LINK B connectors.
  • Page 197 Performance Verification 3. Recall the Factory Default preset as follows: a. Press the MODULE button to display the TG700 main menu. b. Press the up (▲) or down (▼) arrow button to select RECALL. c. Press the left (◄) or right (►) arrow button to select Factory Default.

  • Page 198: Hdvg7 Module Performance Verification

    75 Ω BNC cable 50 Ω BNC to SMA Tektronix part number 015-1018-00 adapter 75 Ω coaxial terminator Tektronix part number 011-0102-01 75 Ω signal adapter Bandwidth: 1 GHz Tektronix AMT75 TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 199: Table 114: Hdvg7 Test Record

    BLACK 1 270 ps Time (20% to 80% 270 ps BLACK 2 amplitude points) Serial Output Fall BLACK 1 270 ps Time (20% to 80% BLACK 2 270 ps amplitude points) TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 200 Be sure you have performed the performance verification preparation before proceeding. (See page 55, Performance Verification.) WARNING. Dangerous electric shock hazards exist inside the TG700 mainframe. Only qualified service personnel should perform these procedures. Serial Digital Outputs. This test verifies that serial digital signals are output correctly from the SIGNAL 1 and SIGNAL 2 connectors.

  • Page 201: Figure 29: Equipment Connections For Verifying The Hdvg7 Serial Digital Outputs

    Interlaced 8. Recall the Factory Default preset as follows: a. Press the MODULE button to display the TG700 main menu. b. Press the up (▲) or down (▼) arrow button to select RECALL. c. Press the left (◄) or right (►) arrow button to select Factory Default.
  • Page 202 On the digital audio monitor front panel, press the CLEAR button to clear the menu. d. On the digital audio monitor front panel, press the CH STATUS button to display CHANNEL STATUS view. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 203 Press the CANCEL button to return the BLACK submenu. 20. Verify that the waveform is correctly displayed on the digital TV waveform monitor. 21. Verify that the CRC ERROR LED on the digital TV waveform monitor does not light. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 204 2. Use the 75 Ω coaxial terminator to terminate the SIGNAL 2 connector on the HDVG7 Generator module. 3. Set the sampling oscilloscope settings as follows: Control Setting Vertical 30 mV/div Horizontal 200 ps/div Main Position 700 ps Trig Source Trig Level TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 205: Figure 30: Equipment Connection For Verifying The Output Level And Eye Pattern

    4. Verify that SIGNAL 1 eye pattern displayed on the sampling oscilloscope is fully open. The following figure shows an example of the eye pattern for an acceptable output signal. Figure 31: Example of eye pattern for an acceptable output signal TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 206 13. Check that SIGNAL 2 eye pattern displayed on the sampling oscilloscope is fully open. (See Figure 31.) 14. Repeat step 5. This completes the HDVG7 module performance verification procedure. If you require further assistance, contact your nearest Tektronix Service Center. TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 207: Sdi7 Module Performance Verification

    Pomona model 1269 adapter BNC T Tektronix part number 103-0030-00 BNC (female) to BNC Amphenol part number 31-70019 (female) 75 Ω barrel 1 m (3 ft) 50 Ω cable Tektronix part number 012-0057-01 TG700 TV Signal Generator Platform Specifications and Performance Verification...

  • Page 208: Table 116: Sdi7 Test Record

    Pass Fail DDS0 Pass Fail DDS1 Voltages Pass Fail +1.2 V Pass Fail +1.5 V Pass Fail +1.8 V Pass Fail +3.3 V Memory test Pass Fail SRAM Pass Fail DDR2 TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 209 1080 50p/1080 50i Signal 2B Pass Fail 1080 59.94p/1080 59.94i Jitter 0 ns 50 ps p-p 1080 59.94p/1080 59.94i Pass Fail Signal 2B 1080 24p Jitter 0 ns 50 ps p-p 1080 24p TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 210 (channel 1 and calculated channel 2) Signal 1B 776 mV 824 mV amplitude calculated Signal 2A 776 mV 824 mV amplitude calculated Signal 2B 776 mV 824 mV amplitude calculated TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 211 Rise time 400 ps 1000 ps Fall TIme (SD) Fall time 400 ps 1000 ps Signal 2B -500 ps +500 ps Difference Trigger Output Trigger 472.5 mV 577.5 mV Level amplitude TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 212 1. Press the MODULE button until TG700 : PRESET is displayed. 2. Press the up (▲) or down (▼) arrow button to select TG700 : UTILITY, and then press the ENTER button. 3. Press the up (▲) or down (▼) arrow button until TG700 : UTILITY : OPTIONS ENABLED is displayed.
  • Page 213 Restore factory presets. 2. Press the MODULE button until TG700 : PRESET is displayed, and then press the ENTER button to enter the PRESET submenu. 3. Use the left (◄) or right (►) arrow button to select Factory Default, and then press the ENTER button.
  • Page 214 18. Press the CANCEL button to exit the DIAGNOSTICS submenu. Exit factory mode. Exit the factory mode before continuing with the next verification steps. 19. Remove and then reattach the power cord to restart the TG700. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 215 HP filter to 100 kHz. 10. On the TG700, press the COLOR BAR button until the 75% Color Bars (75% White) signal is selected. Press the CANCEL button to exit the test signal menu.
  • Page 216 14. Repeat steps 3 - 12 for the SIGNAL 1B output on the SDI7, changing the Output Mode to HD (1920 x 1080) and the format to 1080 24p. 15. Press the MODULE button on the TG700 to select SDI7[x-2]: STATUS. 16. Repeat steps 3 - 12 for the SIGNAL 2A output on the SDI7.
  • Page 217 4. Install the TCA-BNC into the right port of the 80A03. 5. If needed, press the Default Settings button on the oscilloscope. 6. Press the Channel 1 button on the 80E04 sampling head to activate Channel 1. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 218 On the oscilloscope, press the SETUP DIALOG button. b. Select the “Vert” tab from the top of the setup page. c. Select the “External Attenuation” box, and then enter the attenuation factor calculated in step 11 above. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 219 Start up in factory mode. To put the instrument into factory mode: 1. At the same time, press the MODULE, FORMAT, and FRONT PANEL ENABLE buttons briefly, then continue to hold the FRONT PANEL ENABLE button until TG700 Start up with factory mode shows on the display. NOTE.
  • Page 220 Exit factory mode. Exit the factory mode before continuing with the next verification steps. 23. Remove and then reattach the power cord to restart the TG700. SDI Rise and Fall Time Perform this test with the instrument in factory mode.
  • Page 221 21. Measure the fall time and record the result in the test record. 22. Check that the difference between the rise and fall times is within the specified limits and record the result in the test record. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 222 2 of the Trigger Output Level test. Otherwise, proceed to the next step. Exit factory mode. Exit the factory mode before continuing with the next verification steps. 35. Remove and then reattach the power cord to restart the TG700. TG700 TV Signal Generator Platform Specifications and Performance Verification...
  • Page 223 Start up in factory mode. To put the instrument into factory mode: 1. At the same time, press the MODULE, FORMAT, and FRONT PANEL ENABLE buttons briefly, then continue to hold the FRONT PANEL ENABLE button until TG700 Start up with factory mode shows on the display. NOTE.
  • Page 224 19. Record the results in the test record. Exit factory mode. Exit the factory mode before continuing with the next verification steps. 20. Remove and then reattach the power cord to restart the TG700. TG700 TV Signal Generator Platform Specifications and Performance Verification...

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