AD8190 查看數據表（PDF） - Analog Devices

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AD8190

2:1 HDMI/DVI Switch with Equalization

Analog Devices 

AD8190

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

AD8190

EVALUATION

BOARD

SERIAL DATA

ANALYZER

SMA COAX CABLE

REFERENCE EYE DIAGRAM AT TP1

TP1

TP2

TP3

Figure 9. Test Circuit Diagram for TX Eye Diagram

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 m, 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 Eye Diagram at TP3, PE = 6 dB (Cable = 10 m, 28 AWG)

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