ADV7342 datasheet(71/88 Pages) AD

Numer części	ADV7342

Szczegółowy opis	Multiformat Video Encoder Six, 11-Bit, 297 MHz DACs

PDF	88 Pages

Scroll/Zoom	100%

Producent	AD [Analog Devices]

Strona internetowa	http://www.analog.com

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71 / 88 page

ADV7342/ADV7343

Rev. 0 | Page 71 of 88

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4.15µs ± 60ns

22.84µs ± 210ns

22T

T = 1/(fH × 2200/77) = 1.038µs

fH = HORIZONTAL SCAN FREQUENCY

T ± 30ns

0mV

–300mV

70% ± 10%

+700mV

C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19

BIT 1 BIT 2

BIT 20

Figure 95. High Definition (1080i) CGMS Waveform

BIT 1 BIT 2

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0mV

–300mV

+700mV

P122 P123 P124 P125 P126 P127

START

70% ± 10%

NOTES

1. PLEASE REFER TO THE CEA-805-A SPECIFICATION FOR TIMING INFORMATION.

BIT 134

Figure 96. Enhanced Definition (525p) CGMS Type B Waveform

0mV

–300mV

+700mV

70% ± 10%

NOTES

1. PLEASE REFER TO THE CEA-805-A SPECIFICATION FOR TIMING INFORMATION.

BIT 1 BIT 2

CRC SEQUENCE

P122 P123 P124 P125 P126 P127

START

BIT 134

Figure 97. High Definition (720p and 1080i) CGMS Type B Waveform

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