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NX8567SA Datasheet(HTML) 2 Page - California Eastern Labs

Part No. NX8567SA
Description  EA MODULATOR AND WAVELENGTH MONITOR INTEGRATED InGaAsP MQW DFB LASER DIODE MODULE FOR 2.5 Gb/s ULTRALONG-REACH 240, 360, 600 km DWDM APPLICATIONS
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Maker  CEL [California Eastern Labs]
Homepage  http://www.cel.com
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NX8567SA Datasheet(HTML) 2 Page - California Eastern Labs

  NX8567SA Datasheet HTML 2Page - California Eastern Labs  
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NX8567SA SERIES
ELECTRO-OPTICAL CHARACTERISTICS (TLD = Tset, TC = -5 to +70°C, Unless otherwise speciÞed)
PART NUMBER
NX8567SA SERIES
SYMBOLS
PARAMETERS AND CONDITIONS
UNITS
MIN
TYP
MAX
DP
Dispension Penalty, IFLD = Iop, SMF Under modulation2,4
dB
2
IS
Isolation
dB
23
S11
Input Return Loss
IFLD = Iop, VEA = -1 V, 50 Ω
130 MHz to 2 GHz
dB
––
-8
IFLD = Iop, VEA = -1 V, 50 Ω
2 GHz to 2.5 GHz
––
-5
Notes:
1. Tset is a certain point between 20 and 35C for ITU-T grid wavelength
2. 2.48832 Gb/s, PRBS 223 -1, VEA = Vcenter ±1/2 Vmod, IFLD = Iop, TLD = Tset, NEC Test System
Vcenter
: a certain point between -2.0 and -0.5 V
Vmod
: a certain point 3 V or below
Iop
: a certain point between 50 and 80 mA
3. Available for DWDM wavelenght based on ITU-T recommendation (100 GHz grid). Please refer to ORDERING INFORMATION.
4. BER = 10-10, NX8567SAS: 240 km(4320 ps/nm)
BER = 10-10, NX8567SAM: 360 km (6480 ps/nm)
BER = 10-10, NX8567SA: 600 km (10800 ps/nm)
ELECTRO-OPTICAL CHARACTERISTICS (Applicable to Monitor PD, TLD = Tset, T
C = -5 to +70°C, BOL)
SYMBOLS
PARAMETERS AND CONDITIONS
UNITS
MIN
TYP
MAX
Im (Pf)
Monitor Current (Pf Monitor), VRPD = 5 V, IFLD = Iop
µA10
200
Im (λp)
Monitor Current (λp Monitor), VRPD = 5 V, IFLD = Iop, Locking point
µA5
100
Im (λ)
Operation Region
%
25
75
12|
pm
90
ηλ
Discrimination Slope1, VRPD = 5 V, IFLD = Iop, Locking point
µA/pm
0.24
ID
Dark Current, VRPD = 5 V, VEA = 0 V
nA
10
Ct
Terminal Capacitance, VRPD = 5 V, f = 1 MHz
pF
15
γ2
Tracking Error, Im(Pf) = const.
dB
0.5
Note:
1. Operating region, Discrimination slope, Slope assignment
0
Im (λ)
Im @100%
Im p)
Im @0%
I1: Im @75%
I2: Im @25%
λ1
λ2
λp
λ (nm)
Locking point
Negative Slope
Operation region
0
Im (λ)
Im @100%
Im p)
Im @0%
I2: Im @75%
I1: Im @25%
λ1
λ2
λp
λ (nm)
Locking point
Positive Slope
Operation region
λ1 – λ2
I1 – I2
λ
=
[ A/pm]
η
µ
Pf
(mW)
0
Im
Im
TLD = Tset, TC = 25ûC
TLD = Tset, TC = –20 to +70ûC
Pop
Pf
γ = 10 log
[dB]
Pf
Pop
2. Tracking error:
γ


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