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MF699 Datacom, Video Link, Intra-Office Telecom, WDM Duplex Device
MF699 ST
Applications
* * * * * * * Ethernet 10 or 100Mbps Token Ring Fibre Channel 266Mbps FDDI ATM-SDH/SONET 155Mbps Intra-Office Telecom WDM Applications
(Wavelength Division Multiplex), Datacom, Video Links, or IntraOffice Telecom Applications. It emits optical power at 1320nm and detects incoming optical power at 820nm, allowing full Duplex Communication over one single fiber. The MF699 uses dichroic (wavelength-selective) beamsplitters for maximum power budget and minimum crosstalk. Minimum internal crosstalk is achieved with wavelength-selective detectors. The long wavelength path meets requirements for FDDI (ANSI X3T9.5) and ATM 155Mbps. The MF699 is designed for multi-mode fiber and optimized for 62.5/125m fiber.
Features
ST Assembly * Full Duplex Communication Over One Fiber * Dual Wavelengths 820/1300nm * Very Small Size * Very Low Internal Crosstalk * Packaged in IndustryStandard ST(R) Receptacle * Designed for 62.5/125m Fiber
Ordering Information
PART # RECEPTACLE
MF699
ST
-40C to +85C
Description
Used in combination with the MF799, the MF699 Duplex Device is designed for WDM
MF699 Functional Diagram
BOTTOM VIEW
BOTTOM VIEW
ANODE
CATHODE
ANODE
PIN
1320nm
820nm
PIN
MF799
ANODE CASE
FIBER
MF699
1320nm CASE CATHODE
LED
820nm
LED
ANODE
CATHODE BOTTOM VIEW
DICHROIC BEAMSPLITTER
BOTTOM VIEW
13330.11 1997-04-01
24
Datacom, Video Link, Intra-Office Telecom, WDM Duplex Device MF699
Absolute Maximum Ratings* Parameter Storage Temperature Operating Temperature (Fig 2) LED Power Dissipation (Fig 2) LED Continuous Forward Current (f10kHz) LED Peak Forward Current (duty cycle 50%, f1MHz) LED Reverse Voltage PIN Reverse Voltage Soldering Temperature (Note 1) Symbol Tstg Top Ptot IF IFRM VRL VRP Tsld Min. -40 -40 Max. +85 +85 160 80 130 0.5 20 260 Units C C mW mA mA V V C
*Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied. Note 1: 2mm from the case for 10s.
LED Optical & Electrical Characteristics (Case Temperature -25 to +70C) Parameter Fiber-Coupled-Power (Fig 1) Rise & Fall Time (10-90% no bias) Bandwidth (3dBel) Peak Wavelength Spectral Width (FWHM) Forward Voltage (Fig 3) Reverse Current Capacitance Symbol Pfiber tr tf fc p VF IR C 200 Min. -20.5 2.5 125 1320 135 1.3 1.65 100 Typ. Max. Units dBm ns MHz nm nm V A pF Test Conditions IPeak=60mA (Note 1, 2) IF=60mA (Note 2, 3) IF=60mA (Note 2) IF=60mA (Note 3) IF=60mA (Note 3) IF=60mA VR=1V VR=0V, f=1MHz
Note 1: Average power at 10MHz/50% duty cycle. Measured at the exit of 100m of fiber. Note 2: 62.5/125m graded index fiber (NA=0.275). Note 3: Meets the FDDI ANSI X3T9.5 specification.
PIN Optical & Electrical Characteristics (Case Temperature -25 to +70C) Parameter Responsivity (Fig 4) Bandwidth Capacitance (Fig 5) Dark Current Symbol R fc C Id Min. 0.25 500 1 3 50 3 Typ. Max. Units A/W MHz pF nA Test Conditions VR=5V =820nm (Note 1) VR=5V RL=50 (Note 1) VR=5V f=1MHz TCase=25C TCase=70C VR=5V ILED=0mA VR=5V ILED=60mA (Note 2)
Crosstalk Current
ICr
nA
Note 1: 62.5/125m graded index fiber (NA=0.275). Note 2: Internal crosstalk with ceramic ferrule inserted but no power from the fiber. Total Current = Dark Current + Crosstalk Current.
LED Thermal Characteristics Parameter Thermal Resistance - Infinite Heat Sink Thermal Resistance - On PC Board Temperature Coefficient - Optical Power Temperature Coefficient - Wavelength PIN Thermal Characteristics Parameter Temperature Coefficient - Dark Current Temperature Coefficient - Crosstalk Current Symbol dId/dTj dICr/dTj Min. Typ. 5 -0.75 Max. Units %/C %/C Symbol Rthjc Rthjb dP/dTj d/dTj -0.75 0.45 Min. Typ. Max. 200 300 Units C/W C/W %/C nm/C
25
MF699 Datacom, Video Link, Intra-Office Telecom, WDM Duplex Device
%
100
mW
300
RELATIVE FIBER-COUPLED POWER
80
50% DUTY CYCLE
MAX. ELECTRICAL POWER DISSIPATION
200
60
ON PC BOARD
40
DC
100
INFINITE HEAT SINK
20
HEAT SINKED
0 0 40 80 120 160 200 mA
0 0 50 100
150 C
FORWARD CURRENT
OPERATING TEMPERATURE
Figure 1
mA
200
Figure 2
%
Figure 1
100
Figure 2
RELATIVE RESPONSIVITY
FORWARD CURRENT
100
50
0 0 1 2 3V
0 600 700 800 900 1000 nm
FORWARD VOLTAGE
WAVELENGTH
Figure 3
pF
2.0
Figure 4
CAPACITANCE
1.0
0 0 5 10 V
REVERSE VOLTAGE
Figure 5
26
Datacom, Video Link, Intra-Office Telecom, WDM Duplex Device MF699
MF699 Mechanical Data
4.1 r0.3 1.4
LED PIN DIODE
2-56 UNC - 2B 3/8" - 32 UNEF
max. 1
MARKING/ SLOT SIDE
0.006
O2.502 +0.01 0
12.7
5.4
2.5
9.5
FIBER END
O2.5 +0 -0.004
7.89
0.03
9.6
21
3.9 min. 12 6.8 20.1
MATING FERRULE (not included)
Note: The LED chip is isolated from the case. All dimensions in mm.
Packaging Hardware
3/8 - 32 UNEF 2B THREAD
9.53
12.70 1.65
HEX-NUT
10.41
14.27
0.46
WASHER
27
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