Appendix D: Sample Waveform Library

Video Signals in the NTSC Directory

NTSC color bar signals, NTSC Y-C separate signals and various kinds of NTSC signals are stored in the NTSC directory. These are NTSC video signals made up of 1 ± 4 color fields and 1050 lines (525 x 2). The clock frequency is 16 times the sub-carrier frequency; a waveform is created on each line and the compiled waveforms are assembled using the sequence editor.

The settings for the signals are described below.

Settings

 

Waveform points:

1H=3,640

Clock frequency:

57.27 MHz (3.579545 MHz ⋅ 16)

Output time:

33.37 ms

Waveform points:

3,822,000

Video signals are output by changing the directory to NTSC.DIR and then selecting the following sequence files in the SETUP menu:

( 1) Color Bar (Composite) signal

$CB1-2H.SEQ

( 2)

Color Bar (Luminance) signal

$CB1-(Y).SEQ

( 3)

Color Bar (Chrominance) signal

$CB1-(C).SEQ

( 4)

Multiburst signal

$M-BURST.SEQ

( 5) Modulated Ramp signal

$RAMP.SEQ

( 6) Sweep signal (1 ￿ 10 MHz)

$SWEEP10.SEQ

( 7) SMPTE Color Bar signal

$SMPTE.SEQ

( 8) IYQB signal

$IYQB.SEQ

( 9)

Reversed Blue Bar signal

$RBLU.SEQ

(10) Color Bar + Reversed Blue Bar + IYQB signal

$MIX.SEQ

Figure D-18 through Figure D-26 shows the NTSC composite video signal.

D￿20

AWG2021 User Manual