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| 1,310nm DFB CATV Laser FEATURES Direct Modulation DFB Laser Built-in TEC, Thermistor and Monitor PD Optical Isolator 14 Pin Butterfly Type Module 78 Channel NTSC Loading (112 Channel device available) * Low Residual CSO & CTB * 11 dB Link Budget Available * * * * * FLD3F7CZ APPLICATIONS This DFB laser is intended for application in analog AM, CATV at 1,310nm. Transmission spans of 30 km are possible without amplification. DESCRIPTION This DFB laser for analog AM application is a high power laser capable of carrying 78 channels with excellent CSO, CTB, and CNR performance. It is packaged in a `butterfly' type module. The module employs a high efficiency optical coupling system, coupling the laser output through a built-in optical isolator into a single mode fiber pigtail. The module also includes a monitor photodiode, a thermoelectric cooler (TEC) and a thermistor. ABSOLUTE MAXIMUM RATINGS (Tc=25C, unless otherwise specified) Parameter Storage Temperature Operating Case Temperature Optical Output Power LD Forward Current LD Reverse Voltage PD Reverse Voltage PD Forward Current TEC Voltage TEC Current Thermistor Temperature Lead Soldering Time Environmental Operating Humidity Environmental Storage Humidity Symbol Tstg Top Pf IF VR VDR IPD Vc Ic Tth Tsold Xop Xst Condition Min. CW CW Cooling Heating Cooling Heating ATC Operation 260C Top<30C Tstg<30C -40 -20 -2.0 -0.5 -20 Ratings Max. +70 +65 20 150 2 20 10 +2.5 +1.4 +65 10 95 95 C C mW mA V V mA V A C sec % % Unit Edition 1.2 July 2004 1 FLD3F7CZ TEC & THERMISTOR CHARACTERISTICS (TL=251C) Parameter TEC Current TEC Voltage TEC Capacity Thermistor Resistance Thermistor B Constant Symbol Ic Vc T Rtr B Test Conditions T=40C T=40C Ic=1A Limits Min. 40 9.5 1,310nm DFB CATV Laser Max. 1.0 2.0 10.5 Unit A V C k K Typ. 3,900 Tc = Case Temperature, TL = Laser Temperature OPTICAL AND ELECTRICAL CHARACTERISTICS (TL=251C) Parameter Threshold Current Forward Voltage (pin 3-13) Optical Output Power Slope Efficiency Tracking Error Monitor Current Photodiode Dark Current Photodiode Capacitance Peak Wavelength SideMode Suppression Ratio Bandwidth (-1dB) Isolation Relative Intensity Noise Composite Second Power Composite Triple Beat Carrier to Noise Ratio (1) (2) (3) (4) Symbol Ith VF Pf S TE Im Id Ct p SSR fc Is RIN CSO CTB CNR Test Conditions CW CW, IF=30mA CW CW, IF=Iop Note (1) CW, IF=Iop, VDR=5V VDR=5V VDR=5V, f=1MHz CW, IF=Iop CW, IF=Iop Note (2) Tc=0 to 65C Note (3) Note (4) Limits Min. 8 0.20 -0.5 30 1,290 25 1.5 25 50 Max. 20 1.5 20 +0.5 900 100 12 1,330 -155 -57 -65 - Unit mA V mW mW/mA dB A nA pF nm dB GHz dB dB/Hz dBc dBc dB Total change in Pf over -20 1,310nm DFB CATV Laser Fig. 1 Optical Output Power and Monitor Current vs. Laser Forward Current 25 TL=25C Optical Output Power, Pf(mW) 20 Pf 0.8 Forward Current, IF(mA) Monitor Current, Im(mA) 80 1.0 100 TL=25C FLD3F7CZ Fig. 2 Forward Current vs. Forward Voltage Pin 3-13 Im 15 0.6 60 10 0.4 40 5 0.2 20 0 0 20 40 60 Forward Current, IF(mA) 0 100 0 0.5 1.0 1.5 2.0 2.5 Forward Voltage, VF (V) Fig. 4 Lasing Spectrum Fig. 3 Temperature Dependence of Threshold Current Threshold Current, Ith(mA) 10 IF = Iop TL = 25C Relative Intensity (dB) 0 50 20 10 5 -20 -40 -60 -40 -20 0 20 40 60 80 1300 1310 Wavelength (nm) 1320 Laser Temperature, TL (C) 3 FLD3F7CZ Fig. 5 Tracking Characteristics 0.5 TL = 25C 0.4 I = I F op 0.3 0.2 0.1 0 -0.1 -0.2 -0.3 -0.4 -0.5 -20 0 20 6 Relative Response (dB) 1,310nm DFB CATV Laser Fig. 6 Frequency Response Tracking Error (dB) 3 0 -3 0 1.0 Frequency (GHz) 2.0 40 60 80 Case Temperature, Tc (C) Fig. 7 RIN Characteristics Thermistor Resistance, Rtr (K) -110 -120 RIN (dB/Hz) -130 -140 -150 -160 -170 0 1 Frequency (GHz) 2 Pf = 3mW, CW BR<-40dB TL=25C Fig. 8 Thermistor Resistance vs. Temperature 200 100 50 20 10 5 2 1 -40 -20 0 20 40 60 80 Temperature (C) 4 1,310nm DFB CATV Laser Fig. 9 Cooler voltage and Cooler Current vs. Case Temperature 3.0 Cooler Voltage, Vc (V) 2.0 VC IC 0.0 3.0 2.0 1.0 Cooler Current, Ic (A) -40 FLD3F7CZ Fig. 10 CSO vs. Output Power NTSC-78ch. (55.25-547.25MHz) m=3.5%/ch. 30km SMF (11dB Link) -50 CSO (dBc) 1.0 548.5MHz -60 54MHz 194.5MHz -70 0.0 -1.0 0 10 20 30 40 50 60 70 -1.0 80 -80 5 6 7 8 9 10 11 12 13 14 15 Case Temperature, Tc (C) Optical Output Power, Pf (mW) Fig. 11 CTB vs. Output Power -40 NTSC-78ch. (55.25-547.25MHz) m=3.5%/ch. 30km SMF (11dB Link) CNR (dB) 60 Fig. 12 CNR vs. Output Power NTSC-78ch. (55.25-547.25MHz) m=3.5%/ch. 30km SMF (11dB Link) 313 & 547 MHz 50 55 MHz -50 CTB (dBc) -60 55 & 547 MHz -70 313 MHz -80 40 5 6 7 8 9 10 11 12 13 14 15 Optical Output Power, Pf (mW) 5 6 7 8 9 10 11 12 13 14 15 Optical Output Power, Pf (mW) 5 FLD3F7CZ "CZ" PACKAGE 7 17.240.20 15.240.25 PIN 7 8.250.50 o5.20.2 8.890.15 12.70.25 14-0.50.1 15.20.3 2.540.20 5.40.5 PIN 1 5.410.25 14-0.10.05 1,310nm DFB CATV Laser TOP VIEW UNIT: mm 2 1 6 5 4 3 5.080.15 8.250.50 o0.90.1 5.080.15 TEC 4-o2.670.20 20.830.25 26.040.25 29.970.25 0.40.15 10.20.2 PIN 14 8 # 9 10 11 12 13 14 PIN 8 PIN DESIGNATIONS 4.150.20 5.80.2 *L 25.00.5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Thermistor Thermistor LD Cathode Power Monitor Anode Power Monitor Cathode Thermoelectric Cooler (+) Thermoelectric Cooler (-) Case Ground Case Ground NC Case Ground LD Modulation (-) Case Ground NC Case Ground: LD Anode CONNECTOR * Pigtail length (L) and connector type are specified in the detail (individual) specification. For further information please contact: CAUTION Eudyna Devices Inc. products contain gallium arsenide (GaAs) which can be hazardous to the human body and the environment. For safety, observe the following procedures: Eudyna Devices USA Inc. 2355 Zanker Rd. San Jose, CA 95131-1138, U.S.A. TEL: (408) 232-9500 FAX: (408) 428-9111 www.us.eudyna.com * Do not put this product into the mouth. * Do not alter the form of this product into a gas, powder, or liquid through burning, crushing, or chemical processing as these by-products are dangerous to the human body if inhaled, ingested, or swallowed. * Observe government laws and company regulations when discarding this product. This product must be discarded in accordance with methods specified by applicable hazardous waste procedures. Eudyna Devices Europe Ltd. Network House Norreys Drive Maidenhead, Berkshire SL6 4FJ United Kingdom TEL: +44 (0) 1628 504800 FAX: +44 (0) 1628 504888 Eudyna Devices Asia Pte Ltd. Hong Kong Branch Rm. 1101, Ocean Centre, 5 Canton Rd. Tsim Sha Tsui, Kowloon, Hong Kong TEL: +852-2377-0227 FAX: +852-2377-3921 Eudyna Devices Inc. reserves the right to change products and specifications without notice. The information does not convey any license under rights of Eudyna Devices Inc. or others. (c) 2004 Eudyna Devices USA Inc. Printed in U.S.A. Eudyna Devices Inc. Sales Division 1, Kanai-cho, Sakae-ku Yokohama, 244-0845, Japan TEL: +81-45-853-8156 FAX: +81-45-853-8170 6 |
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