鈥?/div>
Z-Cut Design Supports Low Drive Voltages
Zero Chirp Differential Input Design
Integrated Monitor Photodiode
GPO RF Input Connectors
FTM7921ER
DESCRIPTION
The FTM7921ER is a Ti:LiNbO3 Dual Drive Mach-Zehnder
modulator with a modulation speed of up to 10.7 Gb/s. This optical
modulator integrates a monitor PD chip and coupler function for the
automatic bias control (ABC) to compensate for DC-drift and other
phenomena.
ABSOLUTE MAXIMUM RATINGS (Tc=25擄C, Unless otherwise specified)
Parameter
Storage Temperature
Operating Case Temperature
Storage Relative Humidity
Operating Relative Humidity
DC Input Voltage
Optical Input Power
Monitor PD Reverse Voltage
Monitor PD Reverse Current
Monitor PD Forward Current
Symbol
Tstg
Top
RHstg
RHop
Vin(DC)
Pin(opt)
VRM
IRM
IFM
Condition
Ambient
Case
Min.
-40
-5
5
5
-
-
-
-
-
Limits
Typ.
-
-
-
-
-
-
-
-
-
Max.
85
70
95
85
鹵16
50
20
1
3
Unit
擄C
擄C
%
%
V
mW
V
mA
mA
ELECTRICAL CHARACTERISTICS (Tc =-5 ~ 70擄C, 25 years Unless otherwise specified)
Parameter
Operating Bit Rate
Drive Voltage
Drive Voltage
DC Bias Voltage
RF Input Impedance
RF Return Loss
Symbol
-
V蟺
V
蟺
VBias
Zin
S11
At 10.7 Gb/s,
Complementary Drive
At low frequency,
single drive,
and at each electrode
Single Bias
Internally Terminated
130MHz ~ 5GHz
5GHz ~ 10GHz
Condition
Min.
10.7
-
-
-15
39
13
10
Limit
Typ.
-
-
-
-
50
-
-
Max.
-
2.6
4.0
15
-
-
-
Unit
Gb/s
V
V
V
鈩?/div>
dB
Edition 1.1
June 2002
1
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