MAX3940E データシートの表示（PDF） - Maxim Integrated
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MAX3940E Datasheet PDF : 13 Pages
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10Gbps EAM Driver with Integrated
Bias Network
Test Circuits and Timing Diagrams (continued)
VOLTAGE
GND
VBIAS
VOUT
VEE + 1.67V
USABLE RANGE
BELOW USABLE RANGE
VMOD
Figure 5. Bias and Modulation Relationship to EAM Voltage
Typical Operating Characteristics
(Typical values are at VEE = -5.2V, IBIAS = 30mA, IMOD = 100mA, TA = +25°C, unless otherwise noted.)
10Gbps ELECTRICAL EYE DIAGRAM
(VMOD = 1VP-P, 231 - 1 PRBS)
10Gbps ELECTRICAL EYE DIAGRAM
(VMOD = 3VP-P, 231 - 1 PRBS)
10.3Gbps OPTICAL EYE DIAGRAM
ASIP, INC.
20ps/div
SUPPLY CURRENT vs. TEMPERATURE
(50Ω LOAD, EXCLUDES IBIAS, IMOD)
170
160
150
RETIMING ENABLED
140
130
120
RETIMING DISABLED
110
100
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE (°C)
20ps/div
20ps/div
PULSE WIDTH vs. RPWC
RPWC- (Ω)
2000 1750 1500 1250 1000 750 500 250 0
850
840
MEASURED AT 1.25Gbps
WITH A 1010 PATTERN
830
820
810
800
790
780
770
760
750
0
250 500 750 1000 1250 1500 1750 2000
RPWC+ (Ω)
6 _______________________________________________________________________________________
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