3.125Gbps XAUI Quad Equalizer

4

_______________________________________________________________________________________

Typical Operating Characteristics

50mV/

div

50ps/div

EQUALIZER INPUT EYE DIAGRAM

BEFORE EQUALIZATION

(40in FR-4 6mil STRIPLINE)

100mV/

div

50ps/div

EQUALIZER OUTPUT EYE DIAGRAM

AFTER EQUALIZATION

(40in FR-4 6mil STRIPLINE)

100mV/

div

50ps/div

EQUALIZER OUTPUT EYE DIAGRAM

(20in BACKPLANE WITH TWO TERADYNE HSD

CONNECTORS AND 3in DAUGHTERBOARD)

-50

-30

-40

-10

-20

0

10

50

INPUT RETURN GAIN (S11, DIFFERENTIAL,

INPUT SIGNAL = -60dBm,

DEVICE POWERED OFF)

FREQUENCY (MHz)

2050

1050

3050

4050

5050

0

35

30

25

20

15

10

5

40

EQUALIZER DETERMINISTIC JITTER

vs. LENGTH

(FR-4 6mil STRIPLINE, K28.5 PATTERN)

LENGTH (in)

020

30

10

40

50

200

250

300

350

400

450

500

020

10

30

40

50

60

70

80

90

EQUALIZER LATENCY

vs. TEMPERATURE

TEMPERATURE (

°C)

70

50

130

110

90

170

190

150

210

030

40

10

20

50

60

70

80

EQUALIZER OPERATING

CURRENT vs. TEMPERATURE

TEMPERATURE (

°C)

NORMAL OPERATION

(EN = TTL HIGH)

STANDBY POWER

(EN = TTL LOW)