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Eudyna Devices
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FRM5W621LT Datasheet Preview

FRM5W621LT Datasheet

InGaAs-APD/Preamp Receiver

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FRM5W621LT pdf
InGaAs-APD/Preamp
Receiver
FRM5W621KT/LT
FEATURES
• Data rate up to 622Mb/s
• High Responsibility: typ. 0.85A/W at 1,550nm
• 30µm active area APD chip with GaAs pre-amplifier
• High temperature operation up to +85°C
• Small co-axial package with single mode fiber
KT
APPLICATIONS
• Medium bit rate long haul optical transmission systems
at STM-4 (OC-12)
DESCRIPTION
These APD preamplifiers use an InGaAs APD chip with
GaAs IC preamplifier. The KT package is designed for a
horizontal PC board mount. The LT package is secured by a
vertical flange. Each package is connected with
single-mode fiber by Nd: YAG welding. The detector
preamplifier is DC coupled and has a low electrical
output when the APD is illuminated.
LT
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Edition 1.0
March 1999
1



Eudyna Devices
Eudyna Devices

FRM5W621LT Datasheet Preview

FRM5W621LT Datasheet

InGaAs-APD/Preamp Receiver

No Preview Available !

FRM5W621LT pdf
FRM5W621KT/LT
InGaAs-APD/Preamp
Receiver
ABSOLUTE MAXIMUM RATINGS (Tc=25°C)
Parameter
Symbol
Storage Temperature
Operating Temperature
Supply Voltage
APD Supply Voltage
APD Reverse Current
Tstg
Top
Vss
VR (Note 1)
IR (Note 2)
Ratings
-40 to +85
-40 to +85
-7 to 0
0 to VB
1.0
Unit
°C
°C
V
V
mA
OPTICAL & ELECTRICAL CHARACTERISTICS (Tc=25°C, λ=1,310/1,550nm, Vss=-5.2V, unless
otherwise specified)
Parameter
Symbol Test Conditions
Limits
Min. Typ. Max.
Unit
APD Responsivity
R15
1,550nm, M=1
0.80 0.85
-
R13
1,310nm, M=1
0.75 0.85
-
A/W
A/W
APD Breakdown Voltage
Temperature Coefficient of VB
VB
γ
ID=10µA
(Note 3)
40 50 70
0.08 0.12 0.15
V
V/°C
AC Transimpedance
AC-Coupled, f=10MHz,
Zt RL=50, 3.0
Pin <=-20dBm,
3.8
-
k
Bandwidth
Equivalent Input
Noise Current Density
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Sensitivity
Maximum Overload
AC-Coupled, RL=50,
BW M=3 to 15,
-3dBm from 1MHz
467
550
AC-Coupled, RL=50,
in Average within BW
-
2.64
622Mb/s NRZ,
PRBS=223-1,
Pr
B.E.R.=10-10,
VR is set at
optimum value
Tc=-40 to +85°C
- -42
- -41
622Mb/s NRZ, M=3,
PRBS=223-1,
B.E.R.=10-10,
Po VR is set at
optimum value
-5
-
- MHz
3.2 pA/ Hz
-40 dBm
-39 dBm
- dBm
Tc=-40 to +85°C, M=3 -7
-
-
dBm
Power Supply Current
Iss
-
- - 40 mA
Power Supply Voltage
Vss
Note: (1) VB differs from device to device. VB data is attached to each devices.
(2) CW condition
(3) γ=dVB/dTC
-
-5.46 -5.2 -4.94
V
Edition 1.0
March 1999
2


Part Number FRM5W621LT
Description InGaAs-APD/Preamp Receiver
Maker Eudyna Devices
Total Page 5 Pages
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