Datasheet

Jon Waddington
52
The table below shows the corresponding timing measurements for the waveform in
figure 4.1. The third column shows the difference from the expected times to the
measured times. All the measurements are reasonably low and within the acceptable
limits.
Theoretical [41]
Practical
Error %
Scan line (A)
64µs
64µs
0%
Horizontal Sync (B)
4.7µs
4.52µs
3.83%
Active Video (C)
52µs
52.16µs
0.3%
Horizontal Blanking (D)
12µs
11.88µs
1%
Subcarrier Frequency
4.43MHz
4.42MHz
0.2%