Signal Sampling

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Harry Munday edited this page Oct 5, 2022 · 8 revisions

4fsc

Four times the frequency of SC (sub-carrier).

The digital sampling rate of a composite video signal with respect to the sub-carrier frequency of an NTSC or PAL analogue video signal.

The 4fsc frequency is typically 14.3 MHz in NTSC and 17.7 MHz in PAL.