MAX3941 Maxim, MAX3941 Datasheet - Page 6

• Manufacturer Part Number: MAX3941
• Description: 10Gbps EAM Driver with Integrated Bias Network
• Manufacturer: Maxim

10Gbps EAM Driver with Integrated
Bias Network
Figure 5. Bias and Modulation Relationship to EAM Voltage
6
(Typical values are at V
_______________________________________________________________________________________
10Gbps ELECTRICAL EYE DIAGRAM
(V
MOD
= 1V
170
160
150
140
130
120
110
100
20ps/div
P-P
-40
SUPPLY CURRENT vs. TEMPERATURE
, 2
(50Ω LOAD, EXCLUDES I
-30
RETIMING ENABLED
EE
31
-20
= -5.2V, I
- 1 PRBS)
-10
0
TEMPERATURE (°C)
10
RETIMING DISABLED
20
BIAS
30
V
40
EE
= 30mA, I
+ 1.9V
BIAS
50
GND
V
VOLTAGE
OUT
60
, I
Test Circuits and Timing Diagrams (continued)
70
USABLE RANGE
BELOW USABLE RANGE
MOD
10Gbps ELECTRICAL EYE DIAGRAM
MOD
80
(V
)
90
MOD
= 100mA, T
= 3V
20ps/div
P-P
, 2
31
A
- 1 PRBS)
= +25°C, unless otherwise noted.)
Typical Operating Characteristics
850
840
830
820
810
800
790
780
770
760
750
2000
V
0
BIAS
V
MOD
MEASURED AT 1.25Gbps
WITH A 1010 PATTERN
1750
250
PULSE WIDTH vs. R
1500 1250
500 750
3
R
R
PWC-
PWC+
OC-192 OPTICAL EYE DIAGRAM
(OC-192 FILTER, 2
1000 750
1000 1250
1
(Ω)
(Ω)
NOTE: BIAS AND MODULATION
SET AT OPTIMUM LEVELS FOR EAM.
PWC
1500
500
15ps/div
2
1750
250
31
2000
- 1 PRBS)
0