SingMai Electronics
PT9 User Manual Revision 0.3
Page 4 of 38
Figure 9 PAL frequency spectrum ......................................................................................................... 15
Figure 10 Zone plate image after line comb decoding. ....................................................................... 16
Figure 11 Zone plate image after frame comb decoding. ..................................................................... 17
Figure 12 Zone plate image, line comb decoded from PT9 encoder. .................................................. 18
Figure 13 NTSC zone plate with line comb decoder. Left: conventional encoder/line comb decoder.
Right: PT9 encoder with conventional line comb decoder. ................................................................ 18
Figure 14 Control interface Timing. ....................................................................................................... 19
Figure 15 NTSC horizontal timing .......................................................................................................... 23
Figure 16 PAL-BG horizontal timing ...................................................................................................... 24
Figure 17 Interfacing to a DAC. .............................................................................................................. 27
Figure 18 NTSC Vertical blanking interval ............................................................................................. 29
Figure 19 NTSC Horizontal Timing ......................................................................................................... 30
Figure 20 NTSC 75% Colour bar .............................................................................................................. 30
Figure 21 NTSC Chroma/Luma delay ...................................................................................................... 31
Figure 22 NTSC K Factor ......................................................................................................................... 31
Figure 23 NTSC Multiburst (No sinx/x correction) ............................................................................... 32
Figure 24 NTSC Noise Spectrum (Black) ............................................................................................... 32
Figure 25 NTSC Noise Spectrum (luma ramp) ...................................................................................... 33
Figure 26 PAL Vertical blanking interval ............................................................................................... 33
Figure 27 PAL Horizontal timing ........................................................................................................... 34
Figure 28 PAL 75% Colour bars .............................................................................................................. 34
Figure 29 PAL Chroma/Luma delay ....................................................................................................... 35
Figure 30 PAL K-factor........................................................................................................................... 35
Figure 31 PAL Multiburst (no sinx/x correction)................................................................................... 36
Figure 32 PAL Noise spectrum (black) .................................................................................................. 37
Figure 33 PAL Luma non-linearity ......................................................................................................... 38
