InGaAs-APD/Preamp Receiver
FEATURES
• Data rate up to 2.5Gb/s • -32dBm typ. sensitivity • 30µm active area APD chip with GaAs preamplifier • Small co-axial package with single mode fiber
FRM5W231KT/LT
KT
APPLICATIONS
• High bit rate long haul optical transmission systems operating at 2.5Gb/s
LT
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.
Edition 1.0 March 1999
1
FRM5W231KT/LT
Parameter Storage Temperature Operating Temperature Supply Voltage APD Reverse Voltage APD Reverse Current Symbol Tstg Top Vss VR (Note 1) IR (Note 2)
InGaAs-APD/Preamp Receiver
ABSOLUTE MAXIMUM RATINGS (Tc=25°C, unless otherwise specified)
Ratings -40 to +85 -40 to +85 -7 to 0 0 to VB 0.6 Unit °C °C V V mA
OPTICAL & ELECTRICAL CHARACTERISTICS (Tc=25°C, λ=1,310/1,550nm, Vss=-5.2V, unless otherwise specified)
Parameter APD Responsivity APD Breakdown Voltage Temperature Coefficient of VB Symbol R15 R13 VB γ Test Conditions 1,550nm, M=1 1,310nm, M=1 ID=10µA Note 3 AC-Coupled, f=100MHz, RL=50Ω, Pin
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