Tektronix 1740A/1750A Manual do Utilizador

User Manual1740A/1750A SeriesWaveform/Vector Monitor070-8470-06This document supports firmware version 2.2 andabove.www.tektronix.comTest Equipment De

Table of Contents1740A/1750A Series Waveform/Vector Monitor User ManualxFigure 4-12. Two-Field SC/H R--Y display (PAL). 4-14...Figure 4-13. Aud

AppendicesTest Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - FAX 781.665.0780 - TestEquipmentDepot.com

1740A/1750A Series Waveform/Vector Monitor User Manual A-1Appendix APerformance SpecificationThe specification tables use the following abbreviations:

Appendix A: Performance SpecificationA-21740A/1750A Series Waveform/Vector Monitor User ManualElectrical SpecificationsTable A- 1: Waveform Vertical D

Appendix A: Performance SpecificationA-31740A/1750A Series Waveform/Vector Monitor User ManualTable A- 1: Waveform Vertical Deflection (Cont.)CATEGORY

Appendix A: Performance SpecificationA-41740A/1750A Series Waveform/Vector Monitor User ManualTable A- 1: Waveform Vertical Deflection (Cont.)CATEGORY

Appendix A: Performance SpecificationA-51740A/1750A Series Waveform/Vector Monitor User ManualTable A- 1: Waveform Vertical Deflection (Cont.)CATEGORY

Appendix A: Performance SpecificationA-61740A/1750A Series Waveform/Vector Monitor User ManualTable A- 3: Waveform Horizontal DeflectionCATEGORYDESCRI

Appendix A: Performance SpecificationA-71740A/1750A Series Waveform/Vector Monitor User ManualTable A- 4: Measurement CursorsCATEGORYDESCRIPTIONWavefo

Appendix A: Performance SpecificationA-81740A/1750A Series Waveform/Vector Monitor User ManualTable A- 6: CalibratorCATEGORYDESCRIPTIONWaveform Square

Appendix A: Performance SpecificationA-91740A/1750A Series Waveform/Vector Monitor User ManualTable A- 7: Vector Mode (Cont.)CATEGORYDESCRIPTIONSubcar

1740A/1750A Series Waveform/Vector Monitor User Manual xiPrefaceThis user manual is one of a set of two manuals that document theTektronix 1740A/1750A

Appendix A: Performance SpecificationA-101740A/1750A Series Waveform/Vector Monitor User ManualTable A- 8: Audio ModeCATEGORYDESCRIPTIONInput RI: DC c

Appendix A: Performance SpecificationA-111740A/1750A Series Waveform/Vector Monitor User ManualTable A- 10: SCH Phase Mode (1750--Series Only)CATEGORY

Appendix A: Performance SpecificationA-121740A/1750A Series Waveform/Vector Monitor User ManualTable A- 12: Power SourceCATEGORYDESCRIPTIONMains Volta

Appendix A: Performance SpecificationA-131740A/1750A Series Waveform/Vector Monitor User ManualTable A- 14: Physical CharacteristicsCATEGORYDESCRIPTIO

Appendix A: Performance SpecificationA-141740A/1750A Series Waveform/Vector Monitor User ManualTable A- 15: Certifications and compliances (cont.)CATE

Appendix A: Performance SpecificationA-151740A/1750A Series Waveform/Vector Monitor User ManualTable A- 15: Certifications and compliances (cont.)CATE

1740A/1750A Series Waveform/Vector Monitor User ManualB-1Appendix BRemote ConnectorsRemote ConnectorThe rear-panel REMOTE connector (shown in Figure B

Appendix B: Remote Connectors1740A/1750A Series Waveform/Vector Monitor User ManualB-2Ta b l e B -1 . Remote Pin Functions and Signal Requirements (Co

Appendix B: Remote Connectors1740A/1750A Series Waveform/Vector Monitor User ManualB-3Ta b l e B -1 . Remote Pin Functions and Signal Requirements (Co

Appendix B: Remote Connectors1740A/1750A Series Waveform/Vector Monitor User ManualB-4Remote Connector ConverterWhen the 1740A/1750A--Series is used a

Preface1740A/1750A Series Waveform/Vector Monitor User ManualxiiService ManualTopics covered in the service manual are as follows:SpecificationsOperat

Appendix B: Remote Connectors1740A/1750A Series Waveform/Vector Monitor User ManualB-5RS232 ConnectorThe serial interface has a driver built in for RS

1740A/1750A Series Waveform/Vector Monitor User ManualC-1Appendix CUser ServiceThis section contains instructions for user and preventivemaintenance.

Appendix C: User Service1740A/1750A Series Waveform/Vector Monitor User ManualC-2Graticule Light ReplacementReplacement BulbsReplacement bulbs are sup

Appendix C: User Service1740A/1750A Series Waveform/Vector Monitor User ManualC-33. To remove a bulb, position the tweezer tips on the thin,flat porti

Appendix C: User Service1740A/1750A Series Waveform/Vector Monitor User ManualC-4CleaningThe instrument should be cleaned often enough to preventdust

Appendix C: User Service1740A/1750A Series Waveform/Vector Monitor User ManualC-5CAUTIONA 2% RMA flux content solder is recommended formaking repairs

Appendix C: User Service1740A/1750A Series Waveform/Vector Monitor User ManualC-66. Replace the bezel and bezel screws. Tighten screws (8in lbs).7. Re

1740A/1750A Series Waveform/Vector Monitor User ManualD-1Appendix DSoftware VersionTable D--1 details software releases from SNB010100 topresent. If a

Appendix D: Software Version1740A/1750A Series Waveform/Vector Monitor User ManualD-2Table D-1. Software Releases (Continued)Ver-sionCommentsModNo.Ser

Glossary

Preface1740A/1750A Series Waveform/Vector Monitor User Manualxiii1750A Waveform / Vector Monitor.

1740A/1750A Series Waveform/Vector Monitor User Manual G-1GlossaryAC Coupled A connection which removes the constantvoltage (DC component) on which th

GlossaryG-21740A/1750A Series Waveform/Vector Monitor User ManualBreezeway The portion of the video signal which liesbetween the trailing edge of the

Glossary1740A/1750A Series Waveform/Vector Monitor User ManualG-3Color Difference Signals Signals used by colortelevision systems to convey color info

GlossaryG-41740A/1750A Series Waveform/Vector Monitor User ManualDistortion If a sine wave of a single frequency is put intoa system, and harmonic con

Glossary1740A/1750A Series Waveform/Vector Monitor User ManualG-5Gen Lock The process of locking both sync and burst ofone signal to sync and burst of

GlossaryG-61740A/1750A Series Waveform/Vector Monitor User ManualLuminance The signal which represents brightness, or theamount of light in the pictur

Glossary1740A/1750A Series Waveform/Vector Monitor User ManualG-7Quadrature Distortion Distortion resulting from theasymmetry of sidebands used in ves

GlossaryG-81740A/1750A Series Waveform/Vector Monitor User ManualSubcarrier The modulation sidebands of the color subcar-rier contain the R--Y (V) and

Glossary1740A/1750A Series Waveform/Vector Monitor User ManualG-9Vertical Interval The synchronizing information whichappears between fields and signa

Index

Introduction

1740A/1750A Series Waveform/Vector Monitor User Manual I-1IndexAA123/B123, 2-6, 3-4Accessories, 1-7field upgrade kits, 1-8incoming inspection list, 1-

Index1740A/1750A Series Waveform/Vector Monitor User ManualI-2Dimensions, A-13Display modes, 2-5, 3-1Dual-standard graticule, 4-8EElectrical installat

Index1740A/1750A Series Waveform/Vector Monitor User ManualI-3MMagnifier , 2-5, 3-4Mains frequency , 1-11Manual, part numbers, 1-7Markers, 3-9Measurem

Index1740A/1750A Series Waveform/Vector Monitor User ManualI-4RS232 connector , 2-9, B-5SScale illumination, 3-24SCH display, 2-5, 3-2SCH phase measur

1740A/1750A Series Waveform/Vector Monitor User Manual 1-1Product DescriptionThe 1740A/1750A--Series are combination waveform/vectormonitors in half-r

Product Description1-21740A/1750A Series Waveform/Vector Monitor User ManualFeaturesH Composite or Component Waveform MonitoringH Composite Vector Dis

Product Description1740A/1750A Series Waveform/Vector Monitor User Manual1-3mable and 1 is factory-programmed. The FILTER menu alsoprovides a choice o

Product Description1-41740A/1750A Series Waveform/Vector Monitor User Manual

i1740A/1750A Series Waveform/Vector Monitor User ManualGeneral Safety SummaryReview the following safety precautions to avoid injury andprevent damage

1740A/1750A Series Waveform/Vector Monitor User Manual 1-5OptionsWhite phosphor CRT and power cord options are the onlyoptions currently available for

Options1-61740A/1750A Series Waveform/Vector Monitor User ManualCRT OptionsThe standard instrument is shipped with a P31 (green)phosphor CRT installed

1740A/1750A Series Waveform/Vector Monitor User Manual 1-7AccessoriesStandard AccessoriesThese accessories are included with the product:1 Manual, use

Accessories1-81740A/1750A Series Waveform/Vector Monitor User ManualField Upgrade Kits1700F00 Plain Cabinet — This plain metal half-racksize cabinet i

1740A/1750A Series Waveform/Vector Monitor User Manual 1-9InstallationUnpackingSave the shipping carton and packing materials (includinganti-static ba

Installation1740A/1750A Series Waveform/Vector Monitor User Manual1-10cushioning on all sides of the instrument.3. Seal the carton with shipping tape,

Installation1740A/1750A Series Waveform/Vector Monitor User Manual1-11WARNINGMains Frequency and Voltage RangeThe 1740A/1750A--Series monitors operate

Installation1740A/1750A Series Waveform/Vector Monitor User Manual1-12Mechanical InstallationAll qualification testing was performed with a Tektronix1

Installation1740A/1750A Series Waveform/Vector Monitor User Manual1-13RackmountingThe 1740A/1750A--Series monitors are half-rack width andthree rack u

1740A/1750A Series Waveform/Vector Monitor User Manual 1-15Instrument ConfigurationFocus, scale illumination, signal intensity, readout intensity,and

General Safety Summary1740A/1750A Series Waveform/Vector Monitor User ManualiiThe common terminal is at ground potential. Do not connectthe common ter

Getting StartedTest Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - FAX 781.665.0780 - TestEquipmentDepot.com

1740A/1750A Series Waveform/Vector Monitor User Manual 2-1AT A GLANCEFront- Panel ControlsThe following is an overview of front-panel controls.Figure

At A Glance1740A/1750A Series Waveform/Vector Monitor User Manual2-2H Turn off instrument power.H Depress and hold theCLEAR MENU and WAVEFORMbuttons w

At A Glance1740A/1750A Series Waveform/Vector Monitor User Manual2-3INPUTMULTIPLEDISPLAYPARADEOVERLAYCH-B3CH-A3CH-A2CH-B2CH-B1CH-A1CH-BCH-A1740AVECTOR

At A Glance1740A/1750A Series Waveform/Vector Monitor User Manual2-4INPUTMULTIPLEDISPLAYPARADEOVERLAYCH-B3CH-A3CH-A2CH-B2CH-B1CH-A1CH-BCH-AVECTOR WAVE

At A Glance1740A/1750A Series Waveform/Vector Monitor User Manual2-5POSITIONH VERT POS allows the signal display to be movedvertically. Offsets for ch

At A Glance1740A/1750A Series Waveform/Vector Monitor User Manual2-6REFH EXT toggles between external reference (EXT LEDon) and internal reference. In

At A Glance1740A/1750A Series Waveform/Vector Monitor User Manual2-7OVERLAYOVERLAY provides an overlaid display of all se-lected inputs.MENUPush the d

At A Glance1740A/1750A Series Waveform/Vector Monitor User Manual2-8Rear-Panel ConnectorsThe following is an overview of rear-panel connectors.Figure

At A Glance1740A/1750A Series Waveform/Vector Monitor User Manual2-9FuseH The instrument’s mains fuse should be replaced onlywith a 250V, 2A, F-type c

General Safety Summaryiii1740A/1750A Series Waveform/Vector Monitor User ManualCAUTION. Caution statements identify conditions or practicesthat could

At A Glance1740A/1750A Series Waveform/Vector Monitor User Manual2-10AA1A2A3DIE IN DIESEM GERAT ENTSTEHENDE ROHTGENSTRAHLUNG ISTBESCHLEUNIGUNGSPANNUNG

1740A/1750A Series Waveform/Vector Monitor User Manual2-11Operator’s CheckoutProcedureBefore proceeding, read At A Glance startingonpage2-1.This proce

Operator’s Checkout Procedure2-121740A/1750A Series Waveform/Vector Monitor User ManualH Connect the generator NTSC output (COMPOSITE forTSG131) to th

Operator’s Checkout Procedure1740A/1750A Series Waveform/Vector Monitor User Manual2-13Enter the CRT menu. DISPLAY will be outlined. Adjust thebezel c

Operator’s Checkout Procedure2-141740A/1750A Series Waveform/Vector Monitor User Manual10S/DIVFigure 2-6. Calibrator display.5. Gain ControlThere are

Operator’s Checkout Procedure1740A/1750A Series Waveform/Vector Monitor User Manual2-15Press the MAG button. The MAG indicator lights and a1 S/Div sw

Operator’s Checkout Procedure2-161740A/1750A Series Waveform/Vector Monitor User Manualcontrol to move the cursor away from graticule center, andthe c

Operator’s Checkout Procedure1740A/1750A Series Waveform/Vector Monitor User Manual2-1710S/DIVFLATLUMCHROMDIFFR--YSCH R-- YF+LF+L+CFigure 2-7. Two-Li

Operator’s Checkout Procedure2-181740A/1750A Series Waveform/Vector Monitor User ManualSelect F+L+C (FLAT plus LUM plus CHROM). The display issimilar

Operator’s Checkout Procedure1740A/1750A Series Waveform/Vector Monitor User Manual2-19VECTOR PHASEFLATLUMCHROMDIFFR--YSCH R-- YF+LF+L+CFigure 2-10. T

1740A/1750A Series Waveform/Vector Monitor User ManualvTABLE OF CONTENTSIntroductionProduct Description 1-1...Features 1-2..

Operator’s Checkout Procedure2-201740A/1750A Series Waveform/Vector Monitor User ManualVECTOR PHASEFLATLUMCHROMDIFFR--YF+LF+L+CSCH R-- YFigure 2-12. T

Operator’s Checkout Procedure1740A/1750A Series Waveform/Vector Monitor User Manual2-21LINE SELALL131FIELDALL 1OF21OF81OF41H15H-- -- 1 4 5Figure 2-13.

Operator’s Checkout Procedure2-221740A/1750A Series Waveform/Vector Monitor User ManualVECTOR PHASEFigure 2-14. Vectorscope color bar display.Figure 2

Operator’s Checkout Procedure1740A/1750A Series Waveform/Vector Monitor User Manual2-2312. Audio DisplayTo obtain an audio display, connect the left a

Operator’s Checkout Procedure2-241740A/1750A Series Waveform/Vector Monitor User ManualVECTOR PHASEFigure 2-17. NTSC SC/H display with internal refere

Operation Basics

1740A/1750A Series Waveform/Vector Monitor User Manual 3-1Functional OverviewThe “Functional Overview” section describes the front- andrear-panel func

Functional Overview1740A/1750A Series Waveform/Vector Monitor User Manual3-2can be activated and positioned for reference or measure-ment.LINE SELECT

Functional Overview1740A/1750A Series Waveform/Vector Monitor User Manual3-3Time CodeLongitudinal time code is monitored in a frame-rate displayto all

Functional Overview1740A/1750A Series Waveform/Vector Monitor User Manual3-4Inputs A1, A2, A3, and B1, B2, B3 aredesignedtobeusedasthree-wire inputs f

Table of Contents1740A/1750A Series Waveform/Vector Monitor User ManualviDisplay Modes 3-1...Vector 3-1...

1740A/1750A Series Waveform/Vector Monitor User Manual 3-5Using the MenusGeneral menu information here is followed by detailedinformation about each m

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-6CRT, PRESET, and CONFIG menus will be exited completelywhen another menu butto

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-7menu function is still in effect (LED is lighted), push themenu button to brin

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-8H F+L+C— displays the video signal flat, lumi-nance filtered, and chrominance

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-9VERTPOSHORIZPOSCLEARMENUAMPLITUDE PHASE VECTOR PHASELeft Center RightVEC CURSO

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-10H When timing cursors are selected (TIME), the leftbezel control is used to a

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-11VERTPOSHORIZPOSCLEARMENUVOLT1 VOLT2 TRACK∆ V700 mVVOLTTIMEMARKV+TWFM CURSORVE

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-12There are two vector cursor displays: POLAR and MARK.(The VECTOR PHASE bezel

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-13If it becomes necessary to compensate for minor shifting ofmarkers due to dri

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-14Line Select MenuPushing the LIN SEL menu button enables the line select modea

Table of Contents1740A/1750A Series Waveform/Vector Monitor User ManualviiMaking MeasurementsBasic Measurements 4-1...Wavefor

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-15When bezel buttons corresponding to NEXT FIELD,ALT2FIELD,orALT4FIELD a re pus

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-16Preset MenuThe 1740A/1750A--Series has 10 presets capable of storingfront-pan

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-17RecallUse the left bezel control to select (outline) a preset for re-call. Pu

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-18Configure MenuPush the CONFIG button to display the configure menu,shown in F

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-19VERTPOSHORIZPOSCLEARMENUBezelButtonsLeft Center RightINPUTVECTORFORMA TSTANDA

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-20Ta b l e 3 -1 . Valid FORMAT selections.525/60625/50BARSSETUPFORMATGBRSMPTE /

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-21OFFSETH The VERTICAL POSITION control normally positionsall channels together

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-22Additional choices appear when CAL SIG or GAIN CAL isturned on:CAL SIGONH In

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-23REMOTEH The currently operating software version is dis-played in the lower r

Using the Menus1740A/1750A Series Waveform/Vector Monitor User Manual3-24Gain MenuH Any one of three calibrated gain ratios can be selected:X1, X5, or

Table of Contents1740A/1750A Series Waveform/Vector Monitor User ManualviiiAppendicesAppendix APerformance Specifications A-1...Rel

1740A/1750A Series Waveform/Vector Monitor User Manual 3-25Remote OperationThe 25-pin rear-panel REMOTE connector is a subminiatureD-type connector. I

MakingMeasurements

1740A/1750A Series Waveform/Vector Monitor User Manual 4-1Basic MeasurementsBasic Measurements contains 1740A/1750A--Series graticuledescriptions, fol

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-2NTSC Vertical ScalesThe NTSC graticule is shown in Figure 4-1. The left sid

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-3PAL Vertical ScaleThe PAL graticule is shown in Figure 4-2. On the left sid

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-4Dual-Standard Vertical ScaleThe dual-standard graticule combines the NTSC a

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-5Making Waveform MeasurementsHorizontal Sync AmplitudeThe vertical scale at

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-6To measure the K-- Factor line-time distortion, measure thelargest deviatio

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-7Vector GraticuleThe VECTOR display permits measurements of hue in termsof t

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-8R°°°°°°°°Figure 4-4. Vector targets --- NTSC values (PAL values in parenthe

Table of Contents1740A/1750A Series Waveform/Vector Monitor User ManualixLIST OF FIGURESFigure 2-1. Multi-Use Bezel Controls and Buttons. 2-2...F

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-9MakingVectorMeasurementsChroma BandwidthThe horizontal and vertical axes of

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-10Making SC/H Phase Measurements(1750A---Series Only)TheSC/H display provide

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-11VECTOR PHASEBurst VectorSync Dot0° AxisSync DotRelative angle indicatesdeg

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-12PALThe 1751A uses a series of dots around the compass rosewith a single do

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-13VECTOR PHASEFLATLUMCHROMDIFFR--YSCH R-- YF+LF+L+CBurstHorizontal SyncFigur

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-14VECTOR PHASEFigure 4-11. Two-Field SC/H R ---Y display (NTSC), showing app

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-15Making Audio MeasurementsAn audio signal with no phase error appears as a

Basic Measurements1740A/1750A Series Waveform/Vector Monitor User Manual4-16Time Code DisplayLinear Time Code, also known as Longitudinal Time Code(LT

1740A/1750A Series Waveform/Vector Monitor User Manual 4-17CalibrationInstrument gain may require readjustment for special moni-toring applications. T

Calibration4-181740A/1750A Series Waveform/Vector Monitor User ManualSet Horizontal Gain1. To set horizontal gain, push theCONFIG menubutton. Select C