PAL SYSTEM TELELEVISION MEASUREMENT : TABLE OF CONTENT

Table of Contents

Preface	3
Good Measurement Practices

4

EQUIPMENT REQUIREMENTS         

4

CALIBRATION                      

6

INSTRUMENT CONFIGURATION       

6

DEMODULATED RF SIGNALS         

8

TERMINATION                     

8

DEFINITION OF THE PAL TELEVISION STANDARD             

8

PERFORMANCE GOALS              

8

Waveform Distortions and Measurement Methods  

9

I VIDEO AMPLITUDE AND TIME MEASUREMENTS    

9

Amplitude Measurements   

10

Time Measurements     

12

SCH Phase                    

15

II LINEAR DISTORTIONS         

18

Chrominance-to-Luminance Gain and Delay                

19

Short Time Distortion           

24

Line Time Distortion            

26

Field Time Distortion           

28

Long Time Distortion        

30

Frequency Response            

31

Group Delay                    

36

K Factor Ratings                 

38

III NONLINEAR DISTORTIONS      

41

Differential Phase           

42

Differential Gain              

46

Luminance Nonlinearity          

50

Chrominance Nonlinear P h a s e        

5 2

Chrominance Nonlinear Gain         

5 3

Chrominance-to-Luminance Intermodulation                

54

Transient Sync Gain Distortion     

55

Steady-State (Static) Sync Gain Distortion            

56

IV NOISE MEASUREMENTS        

57

Signal-to-Noise Ratio             

58

V TRANSMITTER MEASUREMENTS   

6 0

ICPM                   

61

Depth of Modulation       

63

GLOSSARY OF TELEVISION TERMS        

64

APPENDICES

APPENDIX A - PAL COLOUR BARS  

67

APPENDIX B - SINE-SQUARED PULSES