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CEL - InGaAs APD

Numéro de référence NR8501
Description InGaAs APD
Fabricant CEL 
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NR8501 fiche technique
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NEC's φ50 µm InGaAs APD
IN COAXIAL PACKAGE NR8501 Series
FOR 2.5Gb/s APPLICATIONS
FEATURES
SMALL DARK CURRENT:
ID = 7 nA
HIGH SENSITIVITY:
S = 0.94 A/W at λ = 1310 nm, M = 1
S = 0.96 A/W at λ = 1550 nm, M = 1
HIGH SPEED RESPONSE:
fC = 2.5 GHz at M = 5
COAXIAL MODULE WITH SINGLE MODE FIBER (SMF)
or GI-50 Fiber
WITH SC CONNECTOR: Standard, FC connector: Option
(Refer to Ordering Information)
DESCRIPTION
NEC's NR8501 Series are InGaAs avalanche photo diode
(APD) coaxial modules with optical fiber pigtail. They are
designed for long wavelength 2.5 Gb/s optical communication
systems and are ideal as a reciever for Synchronous Digital
Hierarchy (SDH) system, STM-16 ITU-T recommendations.
ELECTRO-OPTICAL CHARACTERISTICS (TC = 25°C, Unless otherwise specified)
PART NUMBER
NR8501 Series
SYMBOLS
VBR
δ1
ID
IDM
Ct
fC
S
M
PARAMETERS AND CONDITIONS
Reverse Breakdown Voltage, ID =100 µA
Temperature Coefficient of Reverse Breakdown Voltage
Dark Current, VR = VBR x 0.9
Multiplied Dark Current, M = 2 to 10
Terminal Capacitance, VR = V(BR)R x 0.9, f = 1 MHz
Cut-off Frequency, M = 5
M = 10
M = 30
Sensitivity,
λ = 1310 nm, M = 1
λ = 1550 nm, M = 1
Multiplication Factor, λ = 1310 nm, IPO = 1.0 µA
VR = V (@ID = 1 µA)
x Excess Noise Factor2, λ = 1310 nm, 1550 nm,
IPO =1.0 µA, M = 10, f = 35 MHz, B = 1 MHz
F Excess Noise Factor2, λ = 1310 nm, 1550 nm,
IPO =1.0 µA, M = 10, f = 35 MHz, B = 1 MHz
ORL
Optical Return Loss
SMF
GI-50 Fiber
Notes:
1. δ = VBR(25°C+T°C)-VBR(25°C)
T°C VBR(25°C)
2. F = MX
UNITS
V
%/ºC
nA
nA
pF
GHz
A/W
dB
MIN
40
2.5
2.5
1.0
0.80
0.81
30
30
28
TYP
60
0.20
7
1
0.5
3.0
3.0
1.2
0.94
0.96
40
0.7
5
MAX
80
30
5
0.75
California Eastern Laboratories

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