GF9103 Просмотр технического описания (PDF) - Gennum -> Semtech

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GF9103

Over-Sampling Color Space Converter for Video Monitoring

Gennum -> Semtech 

0

-8

-16

-24

-32

-40

-48

-56

-64

-72

-80

0.00 1.35 2.70 4.05 5.40 6.75 8.10 9.45 10.80 12.15 13.50

FREQUENCY (MHz)

Fig. 3 Frequency Response of Luminance

Interpolation Filter (Sampling at ƒs=27MHz)

0

-4

-8

-12

-16

-20

-24

-28

-32

-36

-40

0.00 1.35 2.70 4.05 5.40 6.75 8.10 9.45 10.80 12.15 13.50

FREQUENCY (MHz)

Fig. 5 Frequency Response of Chrominance

Interpolation Filter (Sampling at ƒs=27MHz)

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

-0.2

0.00 1.35 2.70 4.05 5.40 6.75 8.10 9.45 10.80 12.15 13.50

FREQUENCY (MHz)

Fig. 7 SIN X/X Compensation Filter Frequency

Response (Sampling at ƒs=27MHz)

0.10

0.08

0.06

0.04

0.02

0.00

-0.02

-0.04

-0.06

-0.08

-0.10

0.00

1.35

2.70

4.05

5.40

6.75

FREQUENCY (MHz)

Fig. 4 Frequency Response of Luminance

Interpolation Filter (Sampling at ƒs=27MHz)

1.0

0.8

0.6

0.4

0.2

0.0

-0.2

-0.4

-0.6

-0.8

-1.0

0.00 0.54

1.08

1.62

2.16

FREQUENCY (MHz)

2.70 3.24

Fig. 6 Frequency Response of Chrominance

Interpolation Filter (Sampling at ƒs=27MHz)

PARAMETER

LUMINANCE

FILTER

CHROMINANCE

FILTER

Filter Order

31

15

Pass Band Ripple

+0.038 / -0.025 dB

(0.0 ƒs to 0.21 ƒs)

+0.2 / -0.2 dB

(0.0 ƒs to 0.21 ƒs)

DC Gain

0.0 dB

0.0 dB

Attenuation

Stop Band

Attenuation

-6.00 dB (at ƒS/4) -6.00 dB (at ƒS/8)

-47 dB

-28 dB

(0.30 ƒs to 0.50 ƒs) (0.17 ƒs to 0.50 ƒs)

fig. 8 luminance and chrominance filter

characteristics

521 - 33 - 04

6

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