TVP5146 datasheet(21/103 Pages) TI

Part #	TVP5146

Description	NTSC/PAL / SECAM 4 X 10 BIT DIGITAL VIDEO DECODER WITH MACROVISION DETECTION YPBPR/RGB INPUTS 5 LINE COMB FILTER AND SCART SUPPORT

PDF	103 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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21 / 103 page

2−5

Figure 2−4. Color Low-Pass Filter Frequency

Response

Figure 2−5. Color Low-Pass Filter With Filter

Frequency Response, NTSC Square Pixel

Sampling

f – Frequency – MHz

−70

−60

−50

−40

−30

−20

−10

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

PAL SQP –3 dB

@ 1.55 MHz

NTSC SQP –3 dB

@ 1.29 MHz

ITU-R BT.601 –3 dB

@ 1.42 MHz

f – Frequency – MHz

−70

−60

−50

−40

−30

−20

−10

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Filter 0

–3 dB @ 1.29 MHz

Filter 1

–3 dB

@ 936 kHz

Filter 3

–3 dB @ 504 kHz

Filter 2

–3 dB @ 767 kHz

−70

−60

−50

−40

−30

−20

−10

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Figure 2−6. Color Low-Pass Filter With Filter

Characteristics, NTSC/PAL ITU-R BT.601

Sampling

Figure 2−7. Color Low-Pass Filter With Filter

Characteristics, PAL Square Pixel Sampling

f – Frequency – MHz

−70

−60

−50

−40

−30

−20

−10

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Filter 3

–3 dB @ 554 kHz

Filter 2

–3 dB @ 844 kHz

Filter 1

–3 dB

@ 1.03 MHz

Filter 0

–3 dB @ 1.41 MHz

f – Frequency – MHz

Filter 3

–3 dB

@ 605 kHz

Filter 0

–3 dB @ 1.55 MHz

Filter 2

–3 dB @ 922 kHz

Filter 1

–3 dB

@ 1.13 MHz

TVP5146 Datasheet(PDF) 21 Page - Texas Instruments

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