AD8191 查看數據表（PDF） - Analog Devices

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AD8191

4:1 HDMI/DVI Switch with Equalization

Analog Devices 

AD8191

TA = 27°C, AVCC = 3.3 V, VTTI = 3.3 V, VTTO = 3.3 V, DVCC = 3.3 V, AMUXVCC = 5 V, AVEE = 0 V, DVEE = 0 V, differential input

swing = 1000 mV, TMDS outputs terminated with external 50 Ω resistors to 3.3 V, pattern = PRBS 27 − 1, data rate = 1.65 Gbps, unless

otherwise noted.

HDMI CABLE

DIGITAL

PATTERN

GENERATOR

AD8191

EVALUATION

BOARD

SERIAL DATA

ANALYZER

SMA COAX CABLE

REFERENCE EYE DIAGRAM AT TP1

TP1

TP2

TP3

Figure 9. Test Circuit Diagram for TX Eye Diagrams

0.125UI/DIV AT 1.65Gbps

Figure 10. TX Eye Diagram at TP2, PE = 2 dB

0.125UI/DIV AT 1.65Gbps

Figure 12. TX Eye Diagram at TP3, PE = 2 dB (Cable = 2 meters, 30 AWG)

0.125UI/DIV AT 1.65Gbps

Figure 11. TX Eye Diagram at TP2, PE = 6 dB

0.125UI/DIV AT 1.65Gbps

Figure 13. TX Diagram at TP3, PE = 6 dB (Cable = 10 meters, 28 AWG)

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