3.125Gbps XAUI Quad Cable Equalizer

4

_______________________________________________________________________________________

Typical Operating Characteristics

used was Tensolite, Z-Skew, 100

Ω, 28AWG. Shielded twisted pair used was Madison 100Ω, 30AWG, spec #14887.)

EQUALIZER INPUT EYE DIAGRAM

AFTER 10m (33ft) OF TWIN-AXIAL CABLE

50ps/div

100mV/

div

EQUALIZER OUTPUT EYE DIAGRAM

AFTER 10m (33ft) OF TWIN-AXIAL CABLE

50ps/div

100mV/

div

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)

EQUALIZER INPUT EYE DIAGRAM AFTER

5m (16ft) OF SHIELDED TWISTED PAIR

50ps/div

60mV/

div

EQUALIZER OUTPUT EYE DIAGRAM AFTER

5m (16ft) OF SHIELDED TWISTED PAIR

50ps/div

100mV/

div

-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

30

20

10

40

50

60

04

3

12

56789

10

EQUALIZER DETERMINISTIC JITTER vs.

CABLE LENGTH

(K28.5 PATTERN, 3.125Gbps)

LENGTH (m)

SHIELDED TWISTED PAIR

(MADISON)

TWIN-AXIAL

(TENSOLITE)

0

30

20

10

40

50

60

04

3

12

56789

10

EQUALIZER DETERMINISTIC JITTER vs.

CABLE LENGTH

(K28.5 PATTERN, 2.5Gbps)

LENGTH (m)

SHIELDED TWISTED PAIR

(MADISON)

TWIN-AXIAL

(TENSOLITE)

200

250

300

350

400

450

500

020

10

30

40

50

60

70

80

90

EQUALIZER LATENCY

vs. TEMPERATURE

TEMPERATURE (

°C)