Tektronix TSG 95 Pathfinder User Manual
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Tektronix TSG 95 Pathfinder User Manual

Tektronix TSG 95 Pathfinder User Manual

Pal/ntsc signal generator
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  • Page 1 Complimentary Reference Material This PDF has been made available as a complimentary service for you to assist in evaluating this model for your testing requirements. TMG offers a wide range of test equipment solutions, from renting short to long term, buying refurbished and purchasing new. Financing options, such as Financial Rental, and Leasing are also available on application.
  • Page 2 User Manual TSG 95 Pathfinder PAL/NTSC Signal Generator 070-8916-06 www.tektronix.com...
  • Page 3 Copyright Tektronix, Inc. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supercedes that in all previously published material. Specifications and price change privileges reserved. Printed in the U.S.A. Tektronix, Inc., P.O. Box 1000, Wilsonville, OR 97070–1000...

  • Page 4: Warranty

    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 6: Table Of Contents

    ....The Calibration Submenu ......TSG 95 Pathfinder User Manual...

  • Page 7: List Of Figures

    ....Figure 17: PAL Modulated 5-Step ..... TSG 95 Pathfinder User Manual...
  • Page 8 ....Figure 49: NTSC Black Burst, No Setup ....TSG 95 Pathfinder User Manual...

  • Page 9: List Of Tables

    ..... Table 13: Environmental Characteristics ....TSG 95 Pathfinder User Manual...

  • Page 10: General Safety Summary

    Do Not Operate With Suspected Failures. If you suspect there is damage to this product, have it inspected by qualified service personnel. Do Not Operate in Wet/Damp Conditions. Do Not Operate in an Explosive Atmosphere. TSG 95 Pathfinder User Manual...
  • Page 11 For the location of a local battery recycler in the U.S. or Canada, please contact: RBRC (800) BATTERY Rechargeable Battery Recycling Corp. (800) 227-7379 P.O. Box 141870 www.rbrc.com Gainesville, Florida 32614 TSG 95 Pathfinder User Manual...

  • Page 12: Getting Started

    Replace the batteries only with standard AA batteries (1.2–1.5 V, nominal), or the Tektronix rechargeable battery pack listed on page 69. For more information, please contact your nearest Tektronix repre- sentative or field office.

  • Page 13: Supplying Power

    AC supply. AA batteries are not included with the instrument; obtain them locally. Rechargeable AA batteries may be used, but they will NOT be recharged automatically by the AC adapter. To recharge TSG 95 Pathfinder User Manual...

  • Page 14: Connecting The Tsg 95

    Connect the Pathfinder to your equipment as you would any televi- sion test signal generator. Use 75 coaxial cable (for video) and be sure that the signal path is properly terminated. Pin 1 = GND Pin 2 = POS (+) Pin 3 = NEG (–) TSG 95 Pathfinder User Manual...

  • Page 15: Keypad And Display Conventions

    TSG 95 service manual (Tek p/n 070-8917-0x). To order a service manual, please contact your nearest Tektronix representative or field office. Keypad and Display Conventions Please see the Instruction card (p/n 070-8915-00) supplied with your TSG 95 for a “tour”...

  • Page 16: Definitions

    Definitions There are two phrases used in this manual that deserve a little ex- planation. We at Tektronix sincerely hope that these explanations do not confuse you further. Signal Set — The group of signals that can be selected through the TSG 95 keypad at a given time.

  • Page 17: Set The Battery Type

    Other Settings There are other, less important TSG 95 settings that are configured through the Utility menu and its Calibration submenu. See “The Utility Menu,” beginning on page 17 for more information. TSG 95 Pathfinder User Manual...

  • Page 18: Operating Basics

    Here’s what you can do with your TSG95. Instructions for each use begin on the indicated page. Output either PAL or NTSC video test signals (page 9). You can configure the instrument to generate: PAL signals TSG 95 Pathfinder User Manual...
  • Page 19 Store up to eight ID messages for later use (page 13) Create a sequence of (up to four) stored ID messages that will cycle continuously in the output (page 14) Save all the current instrument settings as a “Preset” for later recall (page 15) TSG 95 Pathfinder User Manual...

  • Page 20: Outputting Test Signals

    Safe Area Pluge 50 IRE Flat Field Red Field* Safe Area 100 IRE Flat Field 50 IRE Flat Field Green Field Black Burst 100 IRE Flat Field Blue Field 5-Step Black Burst* Red Field Multiburst 5-Step TSG 95 Pathfinder User Manual...

  • Page 21: Outputting Audio Tones

    SWEEP 50–20K (a 50 Hz–20 kHz sweep) You may specify the USER# frequencies through the Utility/Cal- ibration menu; see page 23. (Note that there is no default value for USER3; therefore, the USER3 choice will not appear in a new—or reset—instrument.) TSG 95 Pathfinder User Manual...

  • Page 22: Setting The Audio Tone Level (Amplitude)

    Inserting ID Messages Toggle the ID message or cycle on and off by pressing the key. The status of the ID —on, off, or cyc (cycle) —is On/Off TSG 95 Pathfinder User Manual...

  • Page 23: Editing Id Messages

    69–3n, where n is the number (1–16) of the right-most character position occupied by the message. Note that, when editing a short message (n <16) that has been placed as far to the right as pos- TSG 95 Pathfinder User Manual...

  • Page 24: Saving Id Messages

    3. When the desired storage number is displayed, press to save Enter the message; press any rectangular key to abort the operation and return the instrument to normal operation. Recall the message later with the key, as described next. Recall TSG 95 Pathfinder User Manual...

  • Page 25: Recalling Id Messages

    ID# 1 through ID# 8. The first line of the message will appear on the second display line; press the key to see the second line of the message. For example, if the saved ID# 1 is “TEKTRONIX TSG95 PAL/NTSC,” the display will first look like this: Pressing the...

  • Page 26: Saving (Storing) Presets

    ID will be displayed on the second line of the LCD. 3. When the desired storage number is displayed, press to save Enter the current instrument settings. Remember that storing the current TSG 95 Pathfinder User Manual...

  • Page 27: Recalling Presets

    The video and audio output of the TSG 95 will return to the signal and tone that was selected when the preset was stored. 4. Press any rectangular key to exit the Recall menu. TSG 95 Pathfinder User Manual...

  • Page 28: Reference

    Set” that can contain up to 26 signals chosen from a list of all the signals that the TSG 95 can generate. Thus you can create a User signal set that has both PAL and NTSC signals. Or you can TSG 95 Pathfinder User Manual...
  • Page 29 NTSC BLK BRST NTSC MATRIX JPN 100 IRE JPN 50 IRE JPN BLCK BRST JPN MATRIX 4. Auto power down; use the left ( ) or right ( ) arrow key to toggle between enabled and disabled. TSG 95 Pathfinder User Manual...
  • Page 30 8. To exit the Utility menu, scroll to this item and press . The Enter instrument will resume normal operation (notice that changes made through the Utility menu items and submenus will take ef- fect immediately). TSG 95 Pathfinder User Manual...

  • Page 31: Creating/Editing The User Signal Set

    “SEL USER SIGS” item. Enter Signals available for the User Signal Set PAL 75% BARS PAL 100% BARS PAL 75% / RED PAL 100% / RED PAL CONVERGENCE PAL PLUGE PAL SAFE AREA PAL GREEN FIELD TSG 95 Pathfinder User Manual...
  • Page 32 NTSC 100 IRE NTSC 100 IRE VT* NTSC 50 IRE NTSC 50 IRE VT* NTSC BLK BURST NTSC BLK BRST V* NTSC 5-STEP NTSC MULTIBURST NTSC NTC7 CMPST NTSC NTC7 COMB. NTSC FCC CMPST NTSC CABLE MB TSG 95 Pathfinder User Manual...
  • Page 33 JPN NTC7 COMB. JPN FCC CMPST JPN CABLE MB JPN CABLE SWP JPN SIN X/X JPN MATRIX JPN MATRIX VTS* JPN 0IRE NoBRST JPN FLD SQ WAVE JPN BOUNCE * Includes VITS (Vertical Interval Test Signal) TSG 95 Pathfinder User Manual...

  • Page 34: The Calibration Submenu

    7867 Hz. 4. Set the “USER3” tone frequency, again with either the keys, or through direct input from the keypad. Disable the User tone by pressing “–” (D). Factory default is no selection/disabled, as illustrated. TSG 95 Pathfinder User Manual...
  • Page 35 CAUTION. Changing a tone level name (menu items 6, 8, A, and C) without recalibrating the amplitude through the following menu item is not recommended. Please see the Service manual (Tektronix p/n 070-8917-0 ) for more information. A FACTORY RESET will NOT restore the tone level names to their original values.
  • Page 36 3 from the factory default value of +4 dBu to a value of your choice. See menu/list item 6, above. 11. Calibrate tone level 3: please see menu/list item 7, above. Original +4 dB setting: (e.g., Hgh 25) TSG 95 Pathfinder User Manual...
  • Page 37 16. To exit the Calibration submenu, scroll to this item and press . The instrument will return to the “CALIB SUBMENU” Enter item in the Utility menu. To exit the entire Utility menu from this point, and resume normal instrument operation, press any rectan- gular key. TSG 95 Pathfinder User Manual...

  • Page 38: Appendix A: Characteristics

    For a full list of instrument specifications, as well as performance verification and adjustment procedures, please see the TSG 95 Service Manual (Tektronix p/n 070-8917-0 NOTE. Shielded cables were used in the EMI certification of this instrument; therefore, it is recommended that shielded cables be used when operating.

  • Page 39: Specification Tables

    5.8 MHz Flat within Field Tilt 0.5% Line Tilt 0.5% 5-Step Linerarity Error Relative step matching. Differential Gain Averaged, 5% typical Differential Phase Averaged 2T Pulse K-Factor 0.5% Ringing 1.5% peak. REV AUG 1994 TSG 95 Pathfinder User Manual...
  • Page 40 2.35 µs 50 ns at half-amplitude Equalizing Pulse Duration Digitally derived Burst Digitally derived 5.6 µs 50 ns from half-amplitude Delay from Sync point of Sync 2.25 µs 0.1 µs (10 cycles of Duration subcarrier) TSG 95 Pathfinder User Manual...

  • Page 41: Table 3: Individual Pal Test Signal Characteristics

    150 ns Field Timing Color Bars Lines 24–166 & 336–478 Lines 167–310 & 479–622 Bars Packet Chars. See 100% Bars, above. Red Luminance Pedestal 209.3 mV Red Chrominance Ampl. 885.1 mV p–p Red Chrominance Phase 103.5 TSG 95 Pathfinder User Manual...
  • Page 42 60% Reduced Line Sweep See Figure 15 Frequency 500 Hz to 6.5 MHz Amplitude 420 mV p–p Markers 1, 2, 3, 4, 5, and 6 MHz 5–Step (Grey Scale) See Figure 16 Amplitude 700 mV TSG 95 Pathfinder User Manual...

  • Page 43: Table 4: Pal Vertical Interval Test Signals (Vits)

    Rate 1.0 second high, 1.0 second low Table 4: PAL Vertical Interval Test Signals (VITS) Waveform Line(s) CCIR 17 CCIR 18 ITS 1 19 and 332 ITS 2 20 and 333 CCIR 330 CCIR 331 TSG 95 Pathfinder User Manual...

  • Page 44: Table 5: General Ntsc Test Signal Characteristics

    Field Tilt 0.5% Line Tilt 0.5% 5-Step Linearity Error Relative step matching. Differential Gain Averaged Differential Phase Averaged 2T Pulse K-Factor 0.5% Ringing 1.5% peak. Luminance Rise Time Digitally derived 250 ns REV AUG 1994 TSG 95 Pathfinder User Manual...
  • Page 45 Digitally derived 2.3 µs 100 ns (HAD) Equalizing Pulse Duration Digitally derived Burst Digitally derived 5.308 µs 35 ns (19 cycles of Delay from Sync subcarrier) 2.51 µs 0.1 µs (9 cycles of Duration subcarrier) TSG 95 Pathfinder User Manual...

  • Page 46: Table 6: Individual Ntsc Test Signal Characteristics

    See Figure 30 Amplitude 549.1 mV (76.9 IRE) Safe Title Horizontal Bar Lines 45 and 238 14.925 and 56.525 µs Vertical Timing Safe Action Horizontal Bar Lines 33 and 250 12.325 and 59.125 µs Vertical Timing TSG 95 Pathfinder User Manual...
  • Page 47 Amplitude 714.3 mV (100 IRE) 250 ns Modulated Sin Pulse Phase 60.8 Amplitude 714.3 mV (100 IRE) at peak amplitude 1.563 µs Modulate 5-Step Staircase Luminance 642.9 mV (90 IRE) Chrominance 285.7 mV (40 IRE) TSG 95 Pathfinder User Manual...
  • Page 48 (60 IRE), equal width packets Pedestal 214.3 mV (30 IRE) Burst Frequencies 0.5, 1.25, 2.0, 3.0, 3.75, and 4.0 MHz Packet Rise Time 0.5 MHz 140 ns typical (sine-squared packets) All Other Packets 400 ns typical (sine-squared packets) TSG 95 Pathfinder User Manual...
  • Page 49 Lines (White) Lines 70-213 Lines at Blanking All remaining active lines Amplitude 714.3 mV (100 IRE) Bounce See Figures 45 and 33 Amplitude 0 or 100 IRE flat field Rate 1.0 second high, 1.0 second low TSG 95 Pathfinder User Manual...

  • Page 50: Table 7: Ntsc Japan Test Signal Characteristics

    198–208 See Figure 46c Red Field, No Setup See Figure 48 Luminance Pedestal 160.14 mV (22.4 IRE) Chrominance Ampl. 677.08 mV (94.8 IRE) Chrominance Phase 103.5 Black Burst, No Setup See Figure 49 0 mV (0 IRE) TSG 95 Pathfinder User Manual...

  • Page 51: Table 8: Ntsc And Ntsc Japan Vits

    800 Hz; then 1, 1.25, 1.6, 2, 2.5, 3.15, 4, 5, 6.3, 8, 10, 12.4, 16, and 20 kHz. Distortion (THD) 1% (20 kHz bandwidth) Audio ID “click” (click ON) Channel 1, 1 click Channel 2, 2 clicks Channel clicks are offset for positive channel identifica- tion. TSG 95 Pathfinder User Manual...

  • Page 52: Table 11: Power Supply

    Width 9.1 cm (3.6 in) Depth 19.1 cm (7.5 in) Net Weight TSG 95 0.48 kg (1.06 lb) TSG with battery pack 0.68 kg (1.5 lb) Shipping Weight 1.50 kg (3.31 lb) with AC adapter TSG 95 Pathfinder User Manual...

  • Page 53: Table 13: Environmental Characteristics

    Category II (as definded in IEC 1010-1, Annex J) Note: Rated for indoor use only. Pollution Degree Pollution Degree 2 (as defined in IEC 1010-1) Transportation Meets the requirements of NTSB Test Procedure 1A, category II (24 inch drop) TSG 95 Pathfinder User Manual...

  • Page 54: Pal Waveform Diagrams

    PAL Waveform Diagrams NOTE. Time references in the following waveform diagrams apply to the signal’s half-amplitude points or pulse peaks, unless indicated otherwise. Figure 1: PAL 75% Color Bars Figure 2: PAL 100% Color Bars TSG 95 Pathfinder User Manual...

  • Page 55: Figure 3: Pal 75% Red And Red Field

    Appendix A: Characteristics Figure 3: PAL 75% Red and Red Field Figure 4: PAL 100% Red TSG 95 Pathfinder User Manual...

  • Page 56: Figure 5: Pal Convergence (Vertical Lines)

    Appendix A: Characteristics Figure 5: PAL Convergence (vertical lines) Figure 6: PAL Convergence (horizontal lines) TSG 95 Pathfinder User Manual...

  • Page 57: Figure 7: Pal Pluge

    Appendix A: Characteristics Figure 7: PAL Pluge Figure 8: PAL Green Field TSG 95 Pathfinder User Manual...

  • Page 58: Figure 9: Pal Safe Area

    Appendix A: Characteristics Figure 9: PAL Safe Area TSG 95 Pathfinder User Manual...

  • Page 59: Figure 10: Pal Blue Field

    Appendix A: Characteristics Figure 10: PAL Blue Field Figure 11: PAL 100% Flat Field and Bounce (High) TSG 95 Pathfinder User Manual...

  • Page 60: Figure 12: Pal 50% Flat Field

    Appendix A: Characteristics Figure 12: PAL 50% Flat Field Figure 13: PAL 0% Flat Field and Bounce (Low) Figure 14: PAL Multiburst TSG 95 Pathfinder User Manual...

  • Page 61: Figure 15: Pal Reduced Sweep

    Appendix A: Characteristics Figure 15: PAL Reduced Sweep Figure 16: PAL 5-Step (Gray Scale) TSG 95 Pathfinder User Manual...

  • Page 62: Figure 17: Pal Modulated 5-Step

    Appendix A: Characteristics Figure 17: PAL Modulated 5-Step Figure 18: PAL Matrix Signal — CCIR 17 TSG 95 Pathfinder User Manual...

  • Page 63: Figure 19: Pal Matrix Signal — Ccir Line 330

    Appendix A: Characteristics Figure 19: PAL Matrix Signal — CCIR Line 330 Figure 20: PAL Matrix Signal — CCIR Line 331 TSG 95 Pathfinder User Manual...

  • Page 64: Figure 21: Pal Matrix Signal — Ccir 18

    Appendix A: Characteristics Figure 21: PAL Matrix Signal — CCIR 18 Figure 22: PAL Matrix Signal — Sin(x)/x TSG 95 Pathfinder User Manual...

  • Page 65: Figure 23: Pal Matrix Signal — 15 Khz Square Wave

    Appendix A: Characteristics Figure 23: PAL Matrix Signal — 15 kHz Square Wave Figure 24: PAL Matrix Signal — Shallow Ramp TSG 95 Pathfinder User Manual...

  • Page 66: Figure 25: Pal Matrix Signal — Uk Its 1

    Appendix A: Characteristics Figure 25: PAL Matrix Signal — UK ITS 1 Figure 26: PAL Matrix Signal — UK ITS 2 TSG 95 Pathfinder User Manual...

  • Page 67: Ntsc Waveform Diagrams

    Appendix A: Characteristics NTSC Waveform Diagrams Figure 27: NTSC 75% Color Bars Figure 28: NTSC Convergence Components TSG 95 Pathfinder User Manual...

  • Page 68: Figure 29: Smpte (Ntsc) Color Bar Components

    Appendix A: Characteristics Figure 29: SMPTE (NTSC) Color Bar Components TSG 95 Pathfinder User Manual...

  • Page 69: Figure 30: Ntsc Safe Area Signal Components

    Appendix A: Characteristics Figure 30: NTSC Safe Area Signal Components TSG 95 Pathfinder User Manual...
  • Page 70 Appendix A: Characteristics Figure 30 (cont.): NTSC Safe Area Signal Components TSG 95 Pathfinder User Manual...

  • Page 71: Figure 31: Ntsc Red Field

    Appendix A: Characteristics Figure 31: NTSC Red Field Figure 32: NTSC 30 IRE and 50 IRE Flat Fields TSG 95 Pathfinder User Manual...

  • Page 72: Bounce (High)

    Appendix A: Characteristics Figure 33: NTSC 100 IRE Flat Field, Field Square Wave, and Bounce (High) Figure 34: NTSC Black Burst TSG 95 Pathfinder User Manual...

  • Page 73: Figure 35: Ntsc 5-Step Staircase (Gray Scale)

    Appendix A: Characteristics Figure 35: NTSC 5-Step Staircase (Gray Scale) Figure 36: NTSC Multiburst TSG 95 Pathfinder User Manual...

  • Page 74: Figure 37: Ntc7 (Ntsc) Composite

    Appendix A: Characteristics Figure 37: NTC7 (NTSC) Composite Figure 38: NTC7 (NTSC) Combination TSG 95 Pathfinder User Manual...

  • Page 75: Figure 39: Fcc (Ntsc) Composite

    Appendix A: Characteristics Figure 39: FCC (NTSC) Composite Figure 40: NTSC Cable Multiburst TSG 95 Pathfinder User Manual...

  • Page 76: Figure 41: Ntsc Cable Sweep

    Appendix A: Characteristics Figure 41: NTSC Cable Sweep Figure 42: NTSC SIN(X)/X TSG 95 Pathfinder User Manual...

  • Page 77: Figure 43: Ntsc Matrix

    Appendix A: Characteristics Figure 43: NTSC Matrix Figure 44: NTSC 0 IRE No Burst Figure 45: NTSC Bounce (Low) TSG 95 Pathfinder User Manual...

  • Page 78: Ntsc Japan (No Setup) Waveform Diagrams

    Appendix A: Characteristics NTSC JAPAN (No Setup) Waveform Diagrams Figure 46: SMPTE (NTSC) Color Bars, No Setup TSG 95 Pathfinder User Manual...

  • Page 79: Figure 47: Ntsc 75% Color Bars, No Setup

    Appendix A: Characteristics Figure 47: NTSC 75% Color Bars, No Setup Figure 48: NTSC Red Field, No Setup Figure 49: NTSC Black Burst, No Setup TSG 95 Pathfinder User Manual...

  • Page 80: Appendix B: Replaceable Parts

    Appendix B: Replaceable Parts The following replaceable parts for the TSG 95 Pathfinder are avail- able through your local Tektronix, Inc. field office or representative. It is important when ordering parts to include the following informa- tion in your order: Part number; instrument type and number; instru- ment serial number;...
  • Page 81 TSG 95 Pathfinder User Manual...

  • Page 82: Appendix C: User Service

    Battery Hints For optimal battery life and capacity, use the rechargeable NiCad battery pack (Tektronix p/n 119-4488-00) in full charge/discharge cycles. In other words, fully discharge the battery pack before re- charging, and then charge the battery pack until fully charged, approximately 16 hours.

  • Page 83: Preventive Maintenance

    CAUTION. The TSG 95 case is made of molded plastic. Do not allow water to get inside any enclosed assembly or component. Do not clean any plastic materials with organic cleaning solvents—benzene, toluene, xylene, acetone, or similar compounds—because they may damage the plastic. TSG 95 Pathfinder User Manual...

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