| PAL B/G | NTSC | SECAM | PAL-M | PAL-N | |
|---|---|---|---|---|---|
| Sync Type | negative bi-level | negative bi-level | negative bi-level | negative bi-level | negative bi-level |
| Subcarrier Freq. (MHz) | 4.43361875 | 3.579545 | 4.406250 4.250000 | 3.57561149 | 3.58205625 |
| Lines/Frame | 625 | 525 | 625 | 525 | 625 |
| Field Freq. (Hz) | 50.00 | 59.94 | 50 | 59.94 | 50.00 |
| Line Freq. (kHz) | 15.625 | 15.734264 | 15.625 | 15.734264 | 15.625 |
| Line Period (ms) | 64.000 | 63.555 | 64.000 | 63.555 | 64.000 |
| Line Blanking (ms) | 12.05 | 10.90 | 12.05 | 10.90 | 12.05 |
| Back Porch (ms) | 10.50 | 9.40 | 10.50 | 9.40 | 10.50 |
| Front Porch (ms) | 1.55 | 1.50 | 1.55 | 1.50 | 1.55 |
| Sync Width (ms) | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 |
| Sync Amplitude (mV) | -300 | -286 | -300 | -286 | -300 |
| Sync Amplitude (IRE) | -43 | -40 | -43 | -40 | -43 |
| Sync Rise/Fall (ms) | 0.200 | 0.250 | 0.200 | 0.250 | 0.200 |
| Sync to Burst (ms) | 5.6 | 5.3 | - | 5.8 | 5.6 |
| Burst Duration (ms) | 10 ± 1 | 9 ± 1 | - | 9 ± 1 | 9 ± 1 |
| Burst Duration (Cycles of SC) | |||||
| Burst Ampl. (mV) | 300 | 286 | 166 | 286 | 300 |
| Field Period (ms) | 20 | 16.6833 | 20 | 16.6833 | 20 |
| Field Blanking (lines) | 25 | 21 | 25 | 21 | 25 |
PAL and NTSC system horizontal interval.
SECAM system horizontal interval.
Extracted from: Appendix C, 'A Guide to Standard and High-Definition Digital Video Measurements', 2001 Tektronix