Tektronix TSG1001 User Manual
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Tektronix TSG1001 User Manual

Tektronix TSG1001 User Manual

Programmable tv generator, serial number b040000 and above
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User Manual
TSG 1001
Programmable TV Generator
Serial Number B040000 and Above
070-7908-03
This document supports software version 2.02

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Summary of Contents for Tektronix TSG1001

  • Page 1 User Manual TSG 1001 Programmable TV Generator Serial Number B040000 and Above 070-7908-03 This document supports software version 2.02...
  • Page 2 Commercial Computer Software – Restricted Rights clause at FAR 52.227-19, as applicable. 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.
  • Page 3 (1) year from the date of shipment. If this product proves defective during the warranty period, Tektronix, at its option either will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the defective product.

  • Page 5: Table Of Contents

    ..........TSG1001 Programmable TV Generator User Manual...
  • Page 6 ........TSG1001 Programmable TV Generator User Manual...
  • Page 7 ......Figure 21: Naming a zone plate pattern......TSG1001 Programmable TV Generator User Manual...
  • Page 8 ..... . . Table 19: Certifications and compliances ..... . . TSG1001 Programmable TV Generator User Manual...

  • Page 9: Safety Summary

    Do Not Operate in Wet/Damp Conditions. 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. TSG1001 Programmable TV Generator User Manual...
  • Page 10 CAUTION indicates a hazard to property including the product. Symbols on the Product. The following symbols may appear on the product: WARNING Protective Ground CAUTION Double High Voltage (Earth) Terminal Refer to Manual Insulated TSG1001 Programmable TV Generator User Manual...

  • Page 11: Getting Started

    Clock input—by an external timing signal. Such a timing signal can be supplied by a Tektronix SPG 1000 HDTV Sync Generator. Driving the TSG 1001 with the encoded clock of an SPG 1000 will also allow “genlocking”...

  • Page 12: Additional Outputs

    “1050/59.94/1:1 YPBPR” 1050/59.94 Hz/2:1 72.00 “1050/59.94/2:1 GBR” “1050/59.94/2:1 YPBPR” 1125/59.94/1:1 74.175824 “1125/59.94/1:1 GBR” “1125/59.94/1:1 YPBPRR” 1125/59.94/2:1 74.175824 “1125/59.94/2:1 GBR” “1125/59.94/2:1 YPBPRR” 1125/60 Hz/2:1 74.25 “1125/60/2:1 GBR” “1125/60/2:1 YPBPR” 1250/50 Hz/1:1 72.00 “1250/50/1:1 GBR” “1250/50/1:1 YPBPR” TSG1001 Programmable TV Generator User Manual...

  • Page 13: Clock And Frame Inputs

    These formats require changing an oscillator crystal or using an external clock. Please contact a Tektronix representative for more information. This format requires a Tektronix PE 1000 PAL Encoder. Programmable trigger: A trigger pulse is output at a point in the video frame selected with the TSG 1001 front panel controls.

  • Page 14: Installation

    When unpacking the TSG 1001, confirm that the following items have been received (in addition to the TSG 1001 and this manual): The correct power cord. A cable for serial/parallel communications (Tektronix p/n 174-2344-00) Rack-mount hardware (Tektronix p/n 351-0751-01). An SDP1000 software development package.

  • Page 15: Table 2: Power Cord Identification

    Table 2: Power cord identification Plug Configuration Normal Usage Option Number North America Standard 115 V Europe 230 V United Kingdom 230 V Australia 230 V North America 230 V Switzerland 230 V TSG1001 Programmable TV Generator User Manual...

  • Page 16: Mechanical Installation

    The slide-mount tracks are coated with a self-lubricating finish. They do not require any other lubrication or maintenance. Installing the slide-mount hardware. Install the slide-mounts using the enclosed hardware as shown in Figures 3 and 4. Be sure that the stationary sections are TSG1001 Programmable TV Generator User Manual...

  • Page 17: Figure 3: Assembly Of The Rack-Mounting Hardware

    4. Press the latches again and push the instrument the rest of the way into the rack. Tighten the screws that hold the stationary tracks to the rear of the rack. Slide the instrument out and back in at least once to make sure the tracks do not bind. TSG1001 Programmable TV Generator User Manual...

  • Page 18: Power-Up/Checkout

    RAM has been lost. Symptoms of “empty” RAM include: A lag between the press of a TSG 1001 front panel button and the respond- ing “beep.” TSG1001 Programmable TV Generator User Manual...

  • Page 19: Reinitializing The Instrument

    Once the download is completed, the generator will be able to output test signals from RAM. 5. Leave the TSG 1001 switched on for 14 to 20 hours to recharge the RAM backup batteries. TSG1001 Programmable TV Generator User Manual...
  • Page 20 Getting Started TSG1001 Programmable TV Generator User Manual...

  • Page 21: Operating Basics

    3. Formats Select button — Used to choose among signal formats if the RAM board signal set contains signals of more than one format. (A “format” is TSG1001 Programmable TV Generator User Manual...
  • Page 22 10. Selector Knob — Works with the front panel buttons to select, adjust, and control various functions of the TSG 1001. Selector Knob Indicator LED (above the knob) — Lights when the selector knob can be used for selection or parameter adjustment. TSG1001 Programmable TV Generator User Manual...

  • Page 23: The Rear Panel

    8. Clock input — A 78Ω “BNO” connector for input of an external balanced ECL clock signal. The clock signal may be encoded with a frame-reset pulse. Permits the use of an external oscillator, typically in a Tektronix SPG 1000 HDTV Sync Generator.

  • Page 24: Downloading Test Signals Into Ram

    4. When the desired waveform is displayed on the ED1000 screen, press the F3 key of the PC. The waveform will be sent to TSG RAM; when the download TSG1001 Programmable TV Generator User Manual...

  • Page 25: Downloading A Signal Set

    1. Press the Signal Sets button. If the TSG display does not read “RAM Board Signal Set” as shown in Figure 7, press the button again to select the set. Figure 7: TSG 1001 readout when the standard signal set is active TSG1001 Programmable TV Generator User Manual...

  • Page 26: Outputting Patterns From The Zone Plate Board

    3. Press one of the first six signal select buttons. The type of zone plate pattern associated with each button is shown graphically on the front panel below TSG1001 Programmable TV Generator User Manual...

  • Page 27: H And V Drive Outputs

    The H drive and V drive outputs are driven TTL high or low, depending on instructions in the test signal descriptions that are downloaded to TSG 1001 memory. These outputs are intended to be line-rate (H drive) and field- or TSG1001 Programmable TV Generator User Manual...

  • Page 28: Using External Timing Signals

    Using External Timing Signals The TSG 1001 can use external “balanced ECL” clock and frame timing signals, from either a Tektronix SPG 1000 HDTV Sync Generator or another—user supplied—source. This allows the TSG 1001 to be driven by an SPG 1000 and thus genlocked to another signal source.

  • Page 29: Figure 9: An Encoded Clock Signal

    For more information about using the TSG 1001 with the SPG 1000, please contact a Tektronix representative, or see the SPG 1000 manual. Two Wire Mode. In two wire mode, the TSG 1001 accepts information from both the Clock and Frame inputs.

  • Page 30: Using An Spg 1000 To Genlock A Tsg 1001

    See the Reference section of this manual for more detail. Ground closure Ground closure remote control is so named because functions are selected and actions initiated when an electrical connection to ground is closed momentarily. TSG1001 Programmable TV Generator User Manual...

  • Page 31: Figure 11: The Remote Control Connector

    Figure 12. This remote uses four momentary-contact push buttons and two rotary switches. Two of the buttons, when pressed, “turn” the selector knob, while each of the other two buttons “push” the front panel button TSG1001 Programmable TV Generator User Manual...

  • Page 32: Figure 12: A Possible Ground-Closure Remote Control Circuit

    “a step at a time.” Some of the ways to use serial remote control are: Enter commands directly through a PC or terminal keyboard. The value of this approach is limited, however, because typing commands such as TSG1001 Programmable TV Generator User Manual...

  • Page 33: Utilities

    (The choice “Set Zone Plate Framing board” is also present, but has no meaning in the TSG 1001.) Use the utilities mode as follows: 1. Press the Utilities button to enter the utilities mode (the button’s LED will be lit when the TSG is in utilities mode). TSG1001 Programmable TV Generator User Manual...
  • Page 34 Set Zone Plate Amplitude — Permits the selection of full or half amplitude zone plates. This setting affects only the active video portion of the signal. The actual amplitudes will depend on the active video format. TSG1001 Programmable TV Generator User Manual...

  • Page 35: Figure 13: Tsg 1001 Utilities

    Set Zone Plate Framing Board — Is not applicable to the TSG 1001, which can only take zone plate framing information from the RAM board. This option is relevant to other TSG1000 series instruments. Figure 13: TSG 1001 utilities TSG1001 Programmable TV Generator User Manual...
  • Page 36 Operating Basics TSG1001 Programmable TV Generator User Manual...

  • Page 37: Reference

    Data bit 4, Data bit 4, – Data bit 3, Data bit 3, – Data bit 2, Data bit 2, – Data bit 1, Data bit 1, – Data bit 0, Data bit 0, Cable Shield TSG1001 Programmable TV Generator User Manual...

  • Page 38: H And V Drives

    HDRIVE: statement in the .men file. Thus, if the example lines are included before the frame description in a lib1050i\gbr menu file, the instructions will affect every line in the frame. TSG1001 Programmable TV Generator User Manual...

  • Page 39: Vdrive

    The number of test signals that will fit into TSG 1001 RAM is a function of the video format(s) used and the complexity of the signals to be stored. A signal set will fit into RAM if: 1) the total “length” of the unique waveform descriptions is TSG1001 Programmable TV Generator User Manual...

  • Page 40: Line Memory Usage

    1050 line HDTV format. (The PAL color sequence is four frames, so a 625/50/2:1 YUV test signal intended for the Tektronix PE1000 PAL encoder will take up twice as much frame memory as a 1250 line HDTV signal.)

  • Page 41: Table 6: Frame And Line Lengths

    2288 1050/59.94/1:1 1050 1144 1125/60/2:1 1125 2200 1125/59.94/2:1 1125 2200 1125/59.94/1:1 1125 1100 1250/50/2:1 1250 2304 1250/50/1:1 1250 1152 The 787/59.94/1:1 format uses alternating 787- and 788-line fields for a total of 1575 lines. TSG1001 Programmable TV Generator User Manual...

  • Page 42: Zone Plates

    Figure 14: Optical zone plates (enlarged) The white areas in the figure represent transparent regions; the black areas are opaque. The precise spacing of the rings serves to focus and intensify light that passes through the plate. TSG1001 Programmable TV Generator User Manual...

  • Page 43: Zone Plates In The Tsg 1001

    “significant frequency,” which may then be adjusted by rotating the selector knob. Table 7: Standard zone plates Button Pattern name Significant frequency Circle Circle (max c/aph) Horizontal Sine Horizontal (MHz) TSG1001 Programmable TV Generator User Manual...
  • Page 44 5. The (left arrow) button may be used to “back up” in the list of parameters when the Parameters button is lit and a parameter and coefficient are listed on the readout. TSG1001 Programmable TV Generator User Manual...

  • Page 45: Zone Plate Parameters

    90 is 1.0 and the sine of –90 is –1.0. When K = 0.25, the pattern will begin in the upper left corner of the screen as white; when K = –0.25, the beginning will be black. TSG1001 Programmable TV Generator User Manual...
  • Page 46 72.0 MHz clock, for example, the maximum value of K will correspond to a sine frequency of 36.0 MHz. The Horizontal Sine zone plate selected with the Monitor Setup button is a “K -only” zone plate (see Fig. 16). TSG1001 Programmable TV Generator User Manual...

  • Page 47: Figure 16: A "Kx-Only" Zone Plate

    – aspect where is the aspect ratio (width/height) of the active format. aspect The Horizontal Sweep zone plate selected with the Flat Field button is a “K -only” zone plate (see Fig. 17). TSG1001 Programmable TV Generator User Manual...

  • Page 48: Figure 17: A "Kx2-Only" Zone Plate

    0.0), look at line waveforms from top to bottom of the frame. The horizontal frequency increases slightly on each succeeding line, reaching 25 c/aph on the last line of active video. The result can be thought of as a vertically arranged “sweep” signal. TSG1001 Programmable TV Generator User Manual...

  • Page 49: Figure 18: A "Ky-Only" Zone Plate

    The Vertical Sine zone plate selected with the Linearity button is a “K -only” zone plate (see Fig. 18) Figure 18: A “K -only” zone plate Parameter: TSG 1001 readout name: KY^2: VERT SWP Units: c/aph TSG1001 Programmable TV Generator User Manual...

  • Page 50: Figure 19: A "Ky2-Only" Zone Plate

    “flip” by 180 —the frequency will become “negative”—and the frequency will continue to increase through DC in a repetitive cycle. TSG1001 Programmable TV Generator User Manual...

  • Page 51: Combining Zone Plate Parameters

    (see Fig. 20). Circular patterns have been found useful for their predictable color effects in composite (PAL and NTSC) systems and aliasing effects in digital systems. The stationary pattern is the result of non-zero TSG1001 Programmable TV Generator User Manual...

  • Page 52: Notes On The Standard Zone Plates

    However, this adjustment actually changes the coefficients of four of the ten zone plate parameters in order to keep the pattern round and centered on the screen. TSG1001 Programmable TV Generator User Manual...

  • Page 53: Saving And Naming Zone Plate Patterns

    When changing a pattern name, be sure its current name is displayed. When the TSG 1001 is first put into service, the available storage locations are named “Zone Plate Number #” (where # is an integer from 4 to 10). TSG1001 Programmable TV Generator User Manual...

  • Page 54: Figure 21: Naming A Zone Plate Pattern

    Then use the selector knob to place the desired character in this location as well. TSG1001 Programmable TV Generator User Manual...

  • Page 55: Serial Remote Control

    “null modem” cable. If the serial output is through a male DB9 connector (as on many IBM-compatible PCs), use a cable or adapter as described in Table 9. Table 8: RS-232 pin/conductor functions; DB25 connectors TSG 1001 female DB25 Pin/wire PC/terminal male DB25 Signal GND Signal GND TSG1001 Programmable TV Generator User Manual...

  • Page 56: Communications Parameters

    Many existing personal computer communications applications may be used for serial remote control of the TSG 1001. Because each application has slightly different capabilities and features, it is impossible to suggest “universal” settings and parameter choices. TSG1001 Programmable TV Generator User Manual...

  • Page 57: Using The Remote Control Commands

    There is always a space between the header and the command parameter. Queries for on/off functions (for example, :BEEP?) will return 1 to indicate that the function is on and 0 to indicate that it is off. TSG1001 Programmable TV Generator User Manual...
  • Page 58 :SYSTem:ERRor? [:ERR? is NOT in level 3; must repeat the entire compound header] A line can contain several commands separated only by semicolons (:VARIABLE1 Parameter1;:VARIABLE2 Parameter2; ). However, no line may exceed 256 characters. TSG1001 Programmable TV Generator User Manual...

  • Page 59: Table 10: Commands For Front-Panel Functions

    Vertical position of trigger pulse, set or 131 (line number) query. :TRIGger:HORizontal Horizontal position of trigger pulse, set or 1232 (sample number) query. :PEDestal Active video pedestal, set or query. :SMENu Signal menu on, off, or query. TSG1001 Programmable TV Generator User Manual...

  • Page 60: Table 11: Commands For Utility Functions

    Save pattern to user ZP location and 8, “MY PATTERN” (optional) name location. No query. :ZPARameter:K K (phase) parameter, set or query. :ZPARameter:KX parameter, set or query. 98.6 :ZPARameter:KX2 parameter, set or query. –45 TSG1001 Programmable TV Generator User Manual...
  • Page 61 This query will return the list of signal select button names. :BRGRP? Parameters: None, query only This query will return a list of the baud rates available for serial remote control and downloads to RAM. TSG1001 Programmable TV Generator User Manual...
  • Page 62 Selects one of the three external reference modes, as with the “Set Ext Ref Mode” utility. The mode name must be entered as one of the following: “ext clk mode” “encoded mode” “2 wire mode” TSG1001 Programmable TV Generator User Manual...
  • Page 63 5.5 mV. A query will return the same whole number value as shown on the TSG front-panel readout.) As with the front panel Pedestal button, selecting any other function will return the pedestal to 0 mV. TSG1001 Programmable TV Generator User Manual...
  • Page 64 Used to activate a signal select button. The button name must be entered as one of the following: “color bars” “monitor setup” “linearity” “shallow ramp” “flat field” “pulse and bar” “multipulse” “multiburst” “sweep” “timing signals” TSG1001 Programmable TV Generator User Manual...
  • Page 65 The query (:SMEN?) will return 1 if the signal menu is displayed, 0 if it is not. :SSGRP? Parameters: None, query only This query will return a list of the available signal sets. In a standard TSG 1001, the signal sets are limited to “RAM Board” and “Zone Plate.” TSG1001 Programmable TV Generator User Manual...
  • Page 66 TSG 1001 is in zone plate mode. :TRES On stops “zone plate time” and resets it to zero; the effects of the time parameters—K , and K —on the active pattern are removed, and the apparent motion caused by non-zero time TSG1001 Programmable TV Generator User Manual...
  • Page 67 :TRIG:HOR Max will move the pulse to the last sample in the line (Min will move it to the first). The trigger cross hairs (controlled with the :TRIG command) need not be active to move the pulse. TSG1001 Programmable TV Generator User Manual...
  • Page 68 Min, and the Up and Down increments will depend on the active video format. The query will return the current value of K :ZPARameter:KXT Applicable only when the Zone Plate signal set is active. Parameters: #.#### (c/aph/s); Down or Up; Max or Min TSG1001 Programmable TV Generator User Manual...
  • Page 69 Min, and the Up and Down increments will depend on the active video format. The query will return the current value of K :ZPARameter:KYT Applicable only when the Zone Plate signal set is active. Parameters: #.#### (c/aph/s); Down or Up; Max or Min TSG1001 Programmable TV Generator User Manual...
  • Page 70 The actual peak amplitudes will depend on the active video format. :ZPREset:CIRCle Applicable only when the Zone Plate signal set is active. Parameters: #.#### (c/aph Down or Up; Max or Min TSG1001 Programmable TV Generator User Manual...
  • Page 71 Up/Down increments will depend on the active video format. Min is zero. The query will return the current real-time frequency value of K :ZPREset:HSWEep Applicable only when the Zone Plate signal set is active. Parameters: #.#### (MHz); Down or Up; Max or Min TSG1001 Programmable TV Generator User Manual...
  • Page 72 , which defines the pattern. Max and the Up/Down increments will depend on the active video format. Min is zero. The query—appropriate only when the Vertical Sine pattern is active—will return the current value of K TSG1001 Programmable TV Generator User Manual...

  • Page 73: Gpib Control

    (An application that includes the ability to create virtual front panels on MS-DOS machines is LabWindows , by National Instruments and available from Tektronix. A similar application for the Apple Macintosh is LabVIEW , also by National Instruments.) GPIB standards and methods are well documented;...
  • Page 74 Discussion of these commands is outside the scope of this manual. For more information, see IEEE 488.2–1987, Codes, Formats, Protocols and Common Commands for Use with IEEE 488.1–1987, published by the IEEE (Institute of Electrical and Electronic Engineers). TSG1001 Programmable TV Generator User Manual...

  • Page 75: Appendix A: Specifications

    SDP1000 definition of each signal. A graphic representation of each test signal waveform and the values of the defining parameters may be seen with the ED1000 waveform editor. Please see the SDP1000 manual for more information. TSG1001 Programmable TV Generator User Manual...

  • Page 76: Table 14: Tri-Level Sync Outputs

    Typically 8.0 to 78.0 MHz in external clock mode; 69.0–78.0 MHz, encoded mode. Symmetry Clock pulses must be 6 ns in both high and low states. Noise normal mode: >40 dB common mode: 500 mV p–p TSG1001 Programmable TV Generator User Manual...

  • Page 77: Table 17: Physical Characteristics

    22.0 inches (55.88 cm) Weight 25 lbs (10.4 kg) Table 18: Environmental characteristics Characteristic Information Temperature: operating 0 to 50 C (32 to 122 F) non–operating –40 to 65 C (–40 to 149 F) TSG1001 Programmable TV Generator User Manual...

  • Page 78: Table 19: Certifications And Compliances

    CAT II Local-level mains (wall sockets). Equipment at this level includes appliances, portable tools, and similar products. Equipment is usually cord-connected CAT I Secondary (signal level) or battery operated circuits of electronic equipment TSG1001 Programmable TV Generator User Manual...
  • Page 79 Downloading to RAM A signal set, 15 A single test signal, 14 Knob, selector, 12 Encoded mode, 19 Line memory, 30 External Clock mode, 19 Usage, 30 External Reference Mode, Set, 24 Modes, 18 Select, 24 TSG1001 Programmable TV Generator User Manual...
  • Page 80 Storage locations, 17 User, 17 “Thousand Points of Light”, 42 Field Sweep, 43 Recalling, 17 Serial remote control Saving, 17 Commands, 47 Vertical Sine, 43 Hardware and software requirements, 45 Vertical Sweep, 43 Cable, 45 TSG1001 Programmable TV Generator User Manual...

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