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Video signal bandwidth versus resolution

TA0310

The third type of signal format is composite video (CVBS). The aim of this signal format is to combine all

the video components into only one signal. CVBS is the sum of Y and C. This signal format is the lowest

quality format.

5 Video signal bandwidth versus resolution

Standard Definition (SD):

Video signal used in standard interlaced video with a TV screen of 720*480 pixels (type: 480I). The

bandwidth is up to 6MHz.

Figure 2: Video formats and standard plugs

Figure 3: Video spectrum for Standard Definition

RCA JACK

video line

75

Ω

75

Ω

Pr, V, Q

MPEG

DECODER

video line

75

Ω

video line

75

Ω

Pb, U, I

Y

Filtering

Filtering

Filtering

MPEG

DECODER

video line

75

Ω

video line

75

Ω

C

Y

Filtering

Filtering

MPEG

DECODER

video line

75

Ω

Filtering

MINI JACK DIN

USCHIDEN

RCA JACK

1

YUV, YPbPr,YIQ

YC

SCART

75

Ω

75

Ω

75

Ω

75

Ω

75

Ω

6MHz

1Vp-p

Amplitude

Frequency