Tektronix TSG 601 manuale d’uso

User Manual TSG 601 Serial Digital Generator 070-8910-03[...]

Copyright  T ektronix, Inc., 1994. All rights reserved. Printed in the U.S.A. T ektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material. Specification and price change privi- leges reserved. For further information, contact: T ektronix, In[...]

W arranty T ektronix warrants that this product will be free from defects in ma- terials and workmanship for a period of one (1) year from the date of shipment. If any such product proves defective during this warranty period, T ektronix, at its option, either will repair the defective prod- uct without charge for parts and labor , or will provide [...]

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EC Declaration of Conformity We T ektronix Holland N.V . Marktweg 73A 8444 AB Heerenveen The Netherlands declare under sole responsibility that the TSG 601 Handheld Serial Component Generator meets the intent of Directive 89/336/EEC for Electromagnetic Compatibility . Compliance was demonstrated to the following specifications as listed in the Offi[...]

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TSG 601 User Manual i T able of Contents Getting Started 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Basics 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Powering the Instrument 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Keypad and Display Conventions 5 . . . . .[...]

Contents ii TSG 601 User Manual Appendix C: User Service 55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Battery Hints 55 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . The BA TTER Y LOW Message 55 . . . . . . . . . . . . . . . . . . . . . . . Low-battery Shut Down 55 . . . . . . . . . . . . . . . . . . . .[...]

Contents TSG 601 User Manual iii Figure 23: 525 Line Mod Pulse and Bar , R–Y 47 . . . . . . . . . . . Figure 24: 60% Line Sweep with Markers, Y 48 . . . . . . . . . . . . Figure 25: 60% Line Sweep with Markers, B–Y and R–Y 48 . Figure 26: 500 kHz Bowtie, Y 49 . . . . . . . . . . . . . . . . . . . . . . . . . Figure 27: 500 kHz Bowtie, B–Y a[...]

Contents iv TSG 601 User Manual[...]

TSG 601 User Manual v General Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. T o avoid potential hazards, use this product only as specified. Only qualified personnel should perform service pr ocedur es. T o A void Fire or Personal Injury Observe All T ermin[...]

General Safety Summary vi TSG 601 User Manual Safety T erms and Symbols T erms in This Manual. These terms may appear in this manual: W ARNING. W arning statements identify conditions or practices that could r esult in injury or loss of life. CAUTION. Caution statements identify conditions or practices that could r esult in damage to this pr oduct [...]

TSG 601 User Manual 1 Getting Started Please note the following statements before using your TSG 601. CAUTION. Attempting to operate the TSG 601 with an impr oper AC adapter can r esult in damage to the instrument. T o avoid damage, USE ONL Y AN APPROPRIA TE DC POWER SOURCE: V oltage must be 9 to 15 VDC; the connector must have the NEGA TIVE contac[...]

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TSG 601 User Manual 3 Operating Basics Thank you for choosing the T ektronix TSG 601—and thank you for reading this manual. T o begin using the instrument as quickly as pos- sible, see “Using your TSG 601,” beginning on page 5. For even more information on selected topics, turn to “Details,” on page 17. First, though, read the next sectio[...]

Operating Basics 4 TSG 601 User Manual ment by sliding the compartment door in the direction of the in- scribed arrow until the door tabs line up with the slots in the case, then remove the door . When selecting a power source for your TSG 601, please remember: H Attempting to use an improper AC adapter can cause permanent damage to the instrument.[...]

Operating Basics TSG 601 User Manual 5 Keypad and Display Conventions Please see the Instruction card (p/n 070-8909-00) supplied with your TSG 601 for a “tour” of the keypad and an explanation of the display symbols. For your convenience, the following panels are excerpted from the card. Using your TSG 601 Here’ s a list of what you can do wi[...]

Operating Basics 6 TSG 601 User Manual G Specify the peak–to–peak amplitude of the serial output, from 600 to 1000 mV (page 8). G Choose the video components (Y , C r , C b ) to be included in the serial output (page 8). G Specify 8- or 10-bit video sample words (page 9). H Embed CRC information (used for “Error Detection and Handling,” or [...]

Operating Basics TSG 601 User Manual 7 2. Power the TSG (page 3) and switch it on. By default, the instru- ment will begin with most settings that were in effect when it was switched off. T wo exceptions: all video component channels will be ON (see page 8); and the output amplitude will be 800 mV . 3. Select the appropriate serial video standard ([...]

Operating Basics 8 TSG 601 User Manual Direct-Select Key T est Signal Modulated 5-Step H Modulated Pulse and Bar I 60% Line Sweep with Markers J Bowtie K Convergence L Equalizer SDI Checkfield M PLL SDI Checkfield N Matrix SDI Checkfield O Active Picture Markers P Adjusting the Output Amplitude 1. Press the key marked “Output Ampl.” 2. Select t[...]

Operating Basics TSG 601 User Manual 9 3. T oggle the status with the Y or B key . The channel status will change instantly—you don’ t have to press ENTER . NOTE . All thr ee component channels default to ON whenever the TSG 601 is switched off and back on, r egar dless of prior “Channel Output” settings. Specifying 8- or 10-bit Data W ords[...]

Operating Basics 10 TSG 601 User Manual 4. Once the desired CRC choices appear on the display , press ENTER to accept/invoke the selections. 5. Press any rectangular key to exit the CRC menu. 6. T oggle the inclusion of CRC data or errors on and off by pressing the “CRC On/Off” key . The CRC status will be reported on the second line of the dis[...]

Operating Basics TSG 601 User Manual 11 Positioning ID Messages NOTE . Only the position of the currently displayed ID may be changed. If you wish to change the pictur e location of a message that is not displayed, you must first r ecall it thr ough the ID menu or the Recall menu. 1. Enter the ID menu (press Shift , then ID On/Off ), if necessary .[...]

Operating Basics 12 TSG 601 User Manual 4. Use the Y / B keys to select the number of the ID to appear during each interval. Choose the hyphen (it’ s below #1) to eliminate the interval. If you want a blank interval (that is, a time gap between ID messages), you must create an all-blank ID to put in that interval. 5. When the correct information [...]

Operating Basics TSG 601 User Manual 13 3. Use the A and " keys to select the desired group of audio channels (1–4, 5–8, 9–12, or 13–16). Press ENTER to confirm the selection. 4. Press any rectangular key to exit the Audio menu, or use the Y / B keys to go to the next selection within the Audio menu. Specifying Inserted Audio Channels [...]

Operating Basics 14 TSG 601 User Manual 2. Scroll down to the “Audio Frequency Selection” item and press the ENTER key . The display will resemble this: 3. Use the A and " keys to select the desired audio channel, and use the Y and B keys to select the frequency for that channel. Press the ENTER key to confirm these choices. If a change wa[...]

Operating Basics TSG 601 User Manual 15 Audio Channel ID Source ID in the audio channel status bits may be enabled or dis- abled through this menu item. Channel ID’ s are preset to ch1 (chan- nel 1), ch2 (channel 2), ch3 (channel 3), and ch4 (channel 4). 1. If necessary , enter the Audio menu (press Shift , then Audio On/Off ). 2. Scroll down to [...]

Operating Basics 16 TSG 601 User Manual Saving (Storing) Presets and IDs 1. Press Shift and then Recall . Note that the ID# first shown on the display always indicates the curr ent (most recently recalled) ID. 2. Scroll through the “STORE ID” (#1 through #8) and “ST O PRESET” (#1 through #4) locations with the left/right arrow keys. The fir[...]

Operating Basics TSG 601 User Manual 17 “factory” ID#1 is “T ektronix TSG601 Serial Digital.” The display will first look like this: Pressing the B key will change it to this: Y ou may find this feature useful if you save two or more IDs with the same first line of text. 3. When the desired storage number is displayed, press ENTER to recall[...]

Operating Basics 18 TSG 601 User Manual bers. If they are the same, we can be very confident that the picture data has been transmitted correctly . Unequal numbers mean that something has gone wrong in the process, and that the received data is not identical to the data that was sent. Many receiving devices will report the discrepancy as an error .[...]

Operating Basics TSG 601 User Manual 19 ID Messages The TSG 601 lets the user edit ID messages “off line.” This means that you can edit a message without affecting the instrument’ s out- put—or the ID currently inserted in the picture. T o help prevent inad- vertent changes to the current ID, the instrument will only insert ID messages that[...]

Operating Basics 20 TSG 601 User Manual W ithin the audio menus, the channels are called channels 1, 2, 3, and 4 of the group that you are working in. As there must be at least two channels (AES/EBU pairs) selected when embedded audio is en- abled, you may select channels 1 and 2, channels 3 and 4 or channels 1, 2, 3, and 4. Separate frequencies an[...]

Operating Basics TSG 601 User Manual 21 lowed by 20 low states. This is the lowest frequency possible, given the data encoding schemes that are specified in the serial digital vid- eo standards. The third TSG 601 SDI Checkfield signal is a matrix of the other two. For a much more complete discussion of SDI Check Fields and their use, please see SMP[...]

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Appendices[...]

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TSG 601 User Manual 25 Appendix A: Characteristics The information in this section is included for the convenience of the TSG 601 operator . It is not intended as a complete list of guaranteed specifications. The waveform illustrations represent properly de- coded output. For a full list of instrument specifications, as well as performance verifica[...]

Appendix A: Characteristics 26 TSG 601 User Manual Specification T ables T able 1: T est Signal Characteristics Characteristic Information 75% Color Bars See Figures 1, 2, and 3, and T able 12 100% Color Bars See Figures 4, 5, and 6, and T able 12 Pluge (BBC 1) Field Timing, 625/50 700 mV 105 mV Field Timing, 525/60 700 mV 105 mV See Figure 7 and T[...]

Appendix A: Characteristics TSG 601 User Manual 27 T able 1: T est Signal Characteristics (Cont.) Information Characteristic Shallow Ramp Amplitude Pedestal (variable) Y channel B–Y , R–Y Risetimes Y channel B–Y , R–Y See Figures 16 and 17 80 mV 0 to 700 mV –350 to +350 mV 200 ns Nominal 280 ns Nominal Mod Pulse and Bar (625 lines/50 Hz) [...]

Appendix A: Characteristics 28 TSG 601 User Manual T able 1: T est Signal Characteristics (Cont.) Information Characteristic Convergence Amplitude Pattern Pulse HAD See Figures 29 and 30 525 mV (75%) Crosshatch: 14 horiz./15 vert. lines 225 ± 25 ns Equalizer SDI Checkfield Per SMPTE RP 178 PLL SDI Checkfield Per SMPTE RP 178 Matrix SDI Checkfield [...]

Appendix A: Characteristics TSG 601 User Manual 29 T able 2: Encoding Parameters (Cont.) Information Characteristic Sampling Frequency Luminance (Y) B–Y and R–Y 13.5 MHz 6.75 MHz Form of Coding Uniformly quantized PCM, 10 bits per sample, for the luminance signal and each color difference signal. Samples/Digital Active Line Luminance (Y) B–Y [...]

Appendix A: Characteristics 30 TSG 601 User Manual T able 3: Serial Digital Video Output (Cont.) Supplemental Information Performance Requirements Characteristic Return Loss ≥ 15 dB, 5 MHz–270 MHz Instrument switched on T ermination Detector T riggers display symbol when return loss of the signal path is ≤ 10 dB (approximates termina- tion im[...]

Appendix A: Characteristics TSG 601 User Manual 31 T able 5: Character Identification Characteristic Information Characters Displayed T wo lines of up to 16 Characters per line Display Position Moveable over the Safe Action area of the field. Character Amplitude Black, 70 mV equivalent White, 630 mV equivalent T able 6: Signal Characteristics for E[...]

Appendix A: Characteristics 32 TSG 601 User Manual T able 7: Audio Channel Status Bits Byte Bit V alue Function 0 0 1 2–4 5 6–7 1 0 100 0 01 Professional use of channel status Normal Audio Mode No emphasis Source Sampling frequency locked 48 kHz sampling frequency 1 0–3 4–7 0001 0001 T wo-channel mode 192-bit block structure, preamble indic[...]

Appendix A: Characteristics TSG 601 User Manual 33 T able 7: Audio Channel Status Bits (Cont.) Byte Function V alue Bit 17 0–7 0000 0000 Unused 18 0–7 0000 0000 Unused 19 0–7 0000 0000 Unused 20 0–7 0000 0000 Unused 21 0–7 0000 0000 Unused 22 0–3 4–7 0000 0000 Reserved Bytes 0–21 are reliable 23 0–7 0101 01 1 1 Channel status cycl[...]

Appendix A: Characteristics 34 TSG 601 User Manual T able 8: 525/59.94 Embedded Serial Audio Sample Distribution (Cont.) Line Numbers T ransmitted Samples Line Numbers T ransmitted Samples 137 4 400 (137) 4 149 4 412 (149) 4 161 4 424 (161) 4 173 4 436 (173) 4 185 4 448 (185) 4 197 4 460 (197) 4 209 4 472 (209) 4 221 4 484 (221) 4 233 4 496 (233) 4[...]

Appendix A: Characteristics TSG 601 User Manual 35 T able 9: 625/50 Embedded Serial Audio Sample Distribution (Cont.) Line Numbers T ransmitted Samples Line Numbers T ransmitted Samples 65 4 377 (64) 4 75 4 387 (74) 4 85 4 397 (84) 4 95 4 407 (94) 4 105 4 417 (104) 4 11 5 4 427 (1 14) 4 125 4 437 (124) 4 135 4 447 (134) 4 145 4 457 (144) 4 155 4 46[...]

Appendix A: Characteristics 36 TSG 601 User Manual T able 10: Physical Characteristics Characteristic Information Height 5.6 cm (2.2 in) Width 9.1 cm (3.6 in) Depth 19.1 cm (7.5 in) Net Weight TSG 601 alone With battery pack 0.48 kg (1.06 lb) 0.68 kg (1.5 lb) Shipping Weight 1.50 kg (3.31 lb), includes AC adapter T able 1 1: Environmental Character[...]

Appendix A: Characteristics TSG 601 User Manual 37 W aveform Diagrams NOTE . The following diagrams r epr esent the analog equivalents of the TSG 601 digital test signals. Horizontal axis units ar e micr ose- conds (  s) after the start of Digital Active V ideo. Unless specified in the caption, each illustration r epr esents both 525 line/60 Hz [...]

Appendix A: Characteristics 38 TSG 601 User Manual Figure 2: 75% Color Bars, B–Y Figure 3: 75% Color Bars, R–Y[...]

Appendix A: Characteristics TSG 601 User Manual 39 Figure 4: 100% Color Bars, Y Figure 5: 100% Color Bars, B–Y[...]

Appendix A: Characteristics 40 TSG 601 User Manual Figure 6: 100% Color Bars, R–Y Figure 7: Pluge 1, Y only[...]

Appendix A: Characteristics TSG 601 User Manual 41 Figure 8: 625 Line Pluge 2, Y channel only T able 13: Pluge Timing A B C D E F 625 & 525 21.57 µ s 23.87 26.17 28.47 40.07 52.07 Figure 9: 525 Line Pluge 2, Y only[...]

Appendix A: Characteristics 42 TSG 601 User Manual Figure 10: 5-Step Staircase and Modulated 5-Step, Y Figure 1 1: 5-Step Staircase, B–Y and R–Y T able 14: 5-Step Staircase and Modulated 5-Step Timing A B C D E F G 625 & 525 6.96 µ s 13.48 20.07 26.59 33.18 39.70 46.30[...]

Appendix A: Characteristics TSG 601 User Manual 43 Figure 12: 625 Line Modulated 5-Step, B–Y and R–Y Figure 13: 525 Line Modulated 5-Step, B–Y and R–Y[...]

Appendix A: Characteristics 44 TSG 601 User Manual Figure 14: Limit Ramp, Y Figure 15: Limit Ramp, B–Y and R–Y[...]

Appendix A: Characteristics TSG 601 User Manual 45 Figure 16: Shallow Ramp (10 possible amplitudes), Y Figure 17: Shallow Ramp (10 possible amplitudes), B–Y and R–Y[...]

Appendix A: Characteristics 46 TSG 601 User Manual Figure 18: 625 Line Mod Pulse and Bar , Y Figure 19: 625 Line Mod Pulse and Bar , B–Y Figure 20: 625 Line Mod Pulse and Bar , R–Y[...]

Appendix A: Characteristics TSG 601 User Manual 47 Figure 21: 525 Line Mod Pulse and Bar , Y Figure 22: 525 Line Mod Pulse and Bar , B–Y Figure 23: 525 Line Mod Pulse and Bar , R–Y[...]

Appendix A: Characteristics 48 TSG 601 User Manual Figure 24: 60% Line Sweep with Markers, Y Figure 25: 60% Line Sweep with Markers, B–Y and R–Y[...]

Appendix A: Characteristics TSG 601 User Manual 49 Figure 26: 500 kHz Bowtie (reduced amplitude), Y Figure 27: 500 kHz Bowtie (reduced amplitude), B–Y and R–Y Figure 28: Bowtie Markers, Y channel only[...]

Appendix A: Characteristics 50 TSG 601 User Manual Figure 29: Convergence, V ertical Lines; Y channel only Figure 30: Convergence, Horizontal Lines; Y only[...]

Appendix A: Characteristics TSG 601 User Manual 51 Figure 31: Active Picture Markers, vertical limits, Y channel only Figure 32: Active Picture Markers, horizontal limits, all channels T able 15: Active Picture Markers Timing A B C D E 625/50: Y 0.72 µ s 52.72 1.04 52.44 53.26 625/50: B, R–Y ( µ s) — 1.04 52.44 53.18 525/60: Y 0.16 µ s 53.02[...]

Appendix A: Characteristics 52 TSG 601 User Manual Figure 33: The Significance of the Active Picture Markers[...]

TSG 601 User Manual 53 Appendix B: Replaceable Parts The following Replaceable parts for the TSG 601 are available through your local T ektronix, 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; and modi[...]

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TSG 601 User Manual 55 Appendix C: User Service Battery Hints For optimal battery life and capacity , use the rechargeable NiCad battery pack (T ektronix p/n 1 19-4488-00) in full charge/dischar ge cycles. In other words, fully discharge the battery pack before re- char ging, and then char ge the battery pack until fully charged, approximately 16 h[...]

Appendix C: User Service 56 TSG 601 User Manual Low-battery shut down can happen with little or no warning if, for instance, the instrument has been left on by mistake with Auto Power Down disabled. In such cases, the TSG 601 is likely to shut itself down almost immediately the next time you switch it on. If this hap- pens: G Install fresh batterie[...]

Appendix C: User Service TSG 601 User Manual 57 2 Battery Type Y B disposable A" 2. Battery type; use the A or " key to toggle between disposable or rechar geable. 3 Factory Reset Y B Press ENTER 3. Factory Reset; press the Enter button to reset the instrument to the factory defaults. W ARNING: All user selections, ID messages, and Pr ese[...]

Appendix C: User Service 58 TSG 601 User Manual 7 Format Select Y B Standard 625 A" 7. Format Set; use the A and " keys to select between 625/50 Hz and 525/60 Hz. 8 Software Vx.x Y B Signals Vx.x 8. Software/Signal versions; note these numbers in any correspon- dence to T ektronix about your TSG 601. 9 KERNEL CHECK Y B SUM ENTER 9. Kernel[...]