Datasheet

MAX3984
1Gbps to 10Gbps Preemphasis Driver with
Receive Equalizer
_______________________________________________________________________________________ 9
VERTICAL EYE OPENING
vs. FR-4 LENGTH (10.3Gbps)
MAX3984 toc13
FR-4 LENGTH (in)
VERTICAL EYE OPENING (mV
P-P
)
302010
100
200
300
400
500
600
700
0
040
PE[1,0] = 00
PE[1,0] = 01
PE[1,0] = 11
PE[1,0] = 10
IN_LEV = LOW,
0in OF FR-4 AT THE INPUT
VERTICAL EYE OPENING
vs. FR-4 LENGTH (8.5Gbps)
MAX3984 toc14
FR-4 LENGTH (in)
VERTICAL EYE OPENING (mV
P-P
)
302010
100
200
300
400
500
600
700
0
040
PE[1,0] = 00
PE[1,0] = 01
PE[1,0] = 11
PE[1,0] = 10
IN_LEV = LOW,
0in OF FR-4 AT THE INPUT
VERTICAL EYE OPENING
vs. FR-4 LENGTH (5Gbps)
MAX3984 toc15
FR-4 LENGTH (in)
VERTICAL EYE OPENING (mV
P-P
)
302010
100
200
300
400
500
600
700
0
040
PE[1,0] = 00
PE[1,0] = 01
PE[1,0] = 11
PE[1,0] = 10
IN_LEV = LOW,
0in OF FR-4 AT THE INPUT
10m 24 AWG CABLE ASSEMBLY
OUTPUT WITHOUT MAX3984 AT 10.3Gbps
MAX3984 toc16
20ps/div
60mV
P-P
/div
10m 24 AWG CABLE ASSEMBLY
OUTPUT WITH MAX3984 AT 10.3Gbps
(PREEMPHASIS, PE[1,0] = 11, OUT_LEV = HIGH)
MAX3984 toc17
20ps/div
30mV
P-P
/div
10m 24 AWG CABLE ASSEMBLY
OUTPUT WITHOUT MAX3984 AT 8.5Gbps
MAX3984 toc18
20ps/div
60mV
P-P
/div
10m 24 AWG CABLE ASSEMBLY
OUTPUT WITH MAX3984 AT 8.5Gbps
(PREEMPHASIS, PE[1,0] = 11, OUT_LEV = HIGH)
MAX3984 toc19
20ps/div
30mV
P-P
/div
10m 24 AWG CABLE ASSEMBLY
OUTPUT WITHOUT MAX3984 AT 5Gbps
MAX3984 toc20
50ps/div
60mV
P-P
/div
10m 24 AWG CABLE ASSEMBLY
OUTPUT WITH MAX3984 AT 5Gbps
(PREEMPHASIS, PE[1,0] = 11, OUT_LEV = HIGH)
MAX3984 toc21
50ps/div
30mV
P-P
/div
Typical Operating Characteristics (continued)
(V
CC
= +3.3V, T
A
= +25°C, PRBS7 + 100 CID pattern is PRBS 2
7
, 100 zeros, 1010, PRBS 2
7
, 100 ones, 0101, OUT_LEV = high, 10in
of FR-4 at the input, IN_LEV = high, 360mV
P-P
at input of FR-4, unless otherwise noted.)