[time-nuts] World's most accurate PC clock!
Tom Van Baak
tvb at leapsecond.com
Mon Jul 4 13:59:09 EDT 2005
> The correct frequency is 315/88 MHz, but that is not the original
derivation
> of it. I found the real derivation on the web some time back, but now
> I can't seem to find it again.
See Color Subcarrier Frequency, the 5th page of chapter 8:
NTSC, PAL, and SECAM Overview
http://www.deetc.isel.ipl.pt/analisedesinai/pdsII/downloads/doc/ch08.pdf
A GIF of the three equations is at:
http://www.leapsecond.com/pages/18hz/NTSC1.gif
/tvb
More information about the time-nuts
mailing list