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1300 nm Fiber Optic Transmitter and Receiver Technical Data
HFBR-1312T Transmitter HFBR-2316T Receiver
Features
* Low Cost Fiber Optic Link * Signal Rates over 155 Megabaud * 1300 nm Wavelength * Link Distances over 5 km * Dual-in-line Package PanelMountable ST* and SC Connector Receptacles * Auto-Insertable and WaveSolderable * Specified with 62.5/125 m and 50/125 m Fiber * Compatible with HFBR-0400 Series * Receiver also Specified for SM Cable Spec (9/125 m)
Applications
* Desktop Links for High Speed LANs * Distance Extension Links * Telecom Switch Systems * TAXlchip(R) Compatible
links for a wide variety of data communication applications from low-speed distance extenders up to SONET OC-3 signal rates. Pinouts identical to Agilent HFBR-0400 Series allow designers to easily upgrade their 820 nm links for farther distance. The transmitter and receiver are compatible with two popular optical fiber sizes: 50/125 m and 62.5/125 m diameter. This allows flexibility in choosing a fiber size. The 1300 nm wavelength is in the lower dispersion and attenuation region of fiber, and provides longer distance capabilities than 820 nm LED technology. Typical distance capabilities are 2 km at 125 MBd and 5 km at 32 MBd.
transmitter to the HFBR-1312T requires only the removal of a few passive components.
Receiver
The HFBR-2316T receiver contains an InGaAs PIN photodiode and a low-noise transimpedance preamplifier that operate in the 1300 nm wavelength region. The HFBR-2316T receives an optical signal and converts it to an analog voltage. The buffered output is an emitter-follower, with frequency response from DC to typically 125 MHz. Low-cost external components can be used to convert the analog output to logic compatible signal levels for a variety of data formats and data rates. The
Transmitter
The HFBR-1312T fiber optic transmitter contains a 1300 nm InGaAsP light emitting diode capable of efficiently launching optical power into 50/125 m and 62.5/125 m diameter fiber. Converting the interface circuit from a HFBR-14XX 820 nm
Description
The HFBR-0300 Series is designed to provide the most cost-effective 1300 nm fiber optic
*ST is a registered trademark of AT&T Lightguide Cable Connectors
2
HFBR-1312T Transmitter
HFBR-2316T Receiver
6
HFBR-0300 Series
Mechanical Dimensions
PART NUMBER DATE CODE 5.05 (0.199)
2, 6 ANODE 3 CATHODE
VCC ANALOG SIGNAL VEE
2 3, 7
4 3 2 1 BOTTOM VIEW
5 6 7 8 PIN NO. 1 INDICATOR
4 3 2 1 BOTTOM VIEW
5 6 7 8 PIN NO. 1 INDICATOR
12.6 (0.495)
YYWW HFBR-X31XT
7.05 (0.278)
DIA.
29.8 (1.174) 12.6 (0.495)
PINFUNCTION 1 2 3 4 5 6 7* 8 N.C. ANODE CATHODE N.C. N.C. ANODE N.C. N.C.
PINFUNCTION 1 N.C. 2 SIGNAL 3* VEE 4 N.C. 5 N.C. 6 VCC 7* VEE 8 N.C.
3.81 (0.150)
2.54 (0.100)
3/8-32 UNEF-2A
* PIN 7 IS ELECTRICALLY ISOLATED FROM PINS 1, 4, 5, AND 8, BUT IS CONNECTED TO THE HEADER. PINS 1, 4, 5, AND 8 ARE ISOLATED FROM THE INTERNAL CIRCUITRY, BUT ARE ELECTRICALLY CONNECTED TO EACH OTHER.
* PINS 3 AND 7 ARE ELECTRICALLY CONNECTED TO THE HEADER. PINS 1, 4, 5, AND 8 ARE ISOLATED FROM THE INTERNAL CIRCUITRY, BUT ARE ELECTRICALLY CONNECTED TO EACH OTHER.
7.62 (0.300)
6.30 (0.248) 8.31 (0.327) 10.20 (0.400)
3.60 (0.140)
2.54 (0.100)
1.27 (0.050)
5.10 (0.202)
HFBR-2316T is pin compatible with HFBR-24X6 receivers and can be used to extend the distance of an existing application by substituting the HFBR-2316T for the HFBR-2416.
Note: The "T" in the product numbers indicates a Threaded ST connector (panel mountable), for both transmitter and receiver.
PINS 1,4,5,8 0.51 X 0.38 (0.020 X 0.015) PINS 2,3,6,7 0.46 DIA (0.018)
4 23 1
8
PIN NO. 1 INDICATOR
Handling and Design Information
When soldering, it is advisable to leave the protective cap on the unit to keep the optics clean. Good system performance requires clean port optics and cable ferrules to avoid obstructing the optical path. Clean compressed air is often sufficient to remove particles of dirt; methanol on a cotton swab also works well.
Package Information
HFBR-0300 Series transmitters and receivers are housed is a dual-in-line package made of high strength, heat resistant, chemically resistant, and UL V-0 flame retardant plastic. Transmitters are identified by the brown port color; receivers have black ports. The package is auto-insertable and wave solderable for high volume production applications.
7
6
5
3
Panel Mounting Hardware
The HFBR-4411 kit consists of 100 nuts and 100 washers with dimensions as shown in Figure 1. These kits are available from Agilent or any authorized distributor. Any standard size nut and washer will work, provided the total thickness of the wall, nut, and washer does not exceed 0.2 inch (5.1mm).
When preparing the chassis wall for panel mounting, use the mounting template in Figure 2. When tightening the nut, torque should not exceed 0.8 N-m (8.0 in-lb).
Aliphatics (hexane, heptane) Other (soap solution, naphtha) Do not use partially halogenated hydrocarbons (such as 1.1.1 trichloroethane), ketones (such as MEK), acetone, chloroform, ethyl acetate, methylene dichloride, phenol, methylene chloride, or Nmethylpyrolldone. Also, Agilent does not recommend the use of cleaners that use halogenated hydrocarbons because of their potential environmental harm.
Recommended Chemicals for Cleaning/Degreasing HFBR-0300 Products
Alcohols (methyl, isopropyl, isobutyl)
3/8 - 32 UNEF 2B THREAD
9.53 DIA. (0.375) 12.70 DIA. (0.50) 1.65 (0.065)
HEX-NUT
14.27 TYP. (0.563) DIA. 10.41 MAX. (0.410) DIA. INTERNAL TOOTH LOCK WASHER ALL DIMENSIONS IN MILLIMETERS AND (INCHES).
9.80 (0.386) DIA.
8.0 (0.315)
Figure 1. HFBR-4411 Mechanical Dimensions.
Figure 2. Recommended Cut-out for Panel Mounting.
HFBR-1312T Transmitter Absolute Maximum Ratings
Parameter Storage Temperature Operating Temperature Lead Soldering Cycle Temperature Lead Soldering Cycle Time Forward Input Current DC Reverse Input Voltage IFDC VR Symbol TS TA Min. -55 -40 Max. 85 85 260 10 100 1 Unit C C C Note 8 sec mA V Reference
CAUTION: The small junction sizes inherent to the design of this bipolar component increase the component's susceptibility to damage from electrostatic discharge (ESD). It is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation which may be induced by ESD.
4
HFBR-1312T Transmitter Electrical/Optical Characteristics
0 to 70C unless otherwise specified Parameter Forward Voltage Forward Voltage Temperature Coefficient Reverse Input Voltage Center Emission Wavelength Full Width Half Maximum Diode Capacitance Optical Power Temperature Coefficient Thermal Resistance Symbol VF VF /T VR C FWHM CT PT/T JA 1 1270 Min. Typ.[1] Max. 1.1 1.4 1.5 -1.5 4 1300 130 16 -0.03 260 1370 185 mV/C V nm nm pF dB/C C/W VF = 0 V, f = 1 MHz IF = 75 - 100 mA DC Note 2 1.7 Unit V Condition IF = 75 mA IF = 100 mA IF = 75 - 100 mA IR = 100 A Ref. Fig. 3
HFBR-1312T Transmitter Output Optical Power and Dynamic Characteristics
Condition Parameter Peak Power 62.5/125 m NA = 0.275 Symbol PT62 PT62 Min. Typ.[1] Max. -16.0 -17.5 -15.5 -17.0 Peak Power 50/125 m NA = 0.20 PT50 PT50 -19.5 -21.0 -19.0 -20.5 Optical Overshoot Rise Time Fall Time OS tr tf 5 1.8 2.2 -16.5 -17.0 -13.5 -14.0 -12.5 -11.5 -12.0 -11.0 -14.5 -13.5 -14.0 -13.0 10 4.0 4.0 % ns ns dBm Unit dBm TA 25C 0-70C 25C 0-70C 25C 0-70C 25C 0-70C 0-70C 0-70C 0-70C IF, peak 75 mA 75 mA 100 mA 100 mA 75 mA 75 mA 100 mA 100 mA 75 mA 75 mA 75 mA Note 6 Fig. 5 Note 7 Fig. 5 Note 7 Fig. 5 Notes 3, 4, 5 Fig. 4 Ref. Notes 3, 4, 5 Fig. 4
5
Transmitter Notes: 1. Typical data are at TA = 25C. 2. Thermal resistance is measured with the transmitter coupled to a connector assembly and mounted on a printed circuit board; JC < JA. 3. Optical power is measured with a large area detector at the end of 1 meter of mode stripped cable, with an ST* precision ceramic ferrule (MIL-STD-83522/13), which approximates a standard test connector. Average power measurements are made at 12.5 MHz with a 50% duty cycle drive current of 0 to IF,peak; IF,average = IF,peak/2. Peak optical power is 3 dB higher than average optical power. 4. When changing from W to dBm, the optical power is referenced to 1 mW (1000 W). Optical power P(dBm) = 10*log[P(W)/1000W]. 5. Fiber NA is measured at the end of 2 meters of mode stripped fiber using the far-field pattern. NA is defined as the sine of the half angle, determined at 5% of the peak intensity point. When using other manufacturer's fiber cable, results will vary due to differing NA values and test methods. 6. Overshoot is measured as a percentage of the peak amplitude of the optical waveform to the 100% amplitude level. The 100% amplitude level is determined at the end of a 40 ns pulse, 50% duty cycle. This will ensure that ringing and other noise sources have been eliminated. 7. Optical rise and fall times are measured from 10% to 90% with 62.5/125 m fiber. LED response time with recommended test circuit (Figure 3) at 25 MHz, 50% duty cycle. 8. 2.0 mm from where leads enter case.
100 90
IF - FORWARD CURRENT - mA
1.2 1.1
RELATIVE POWER RATIO
1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2
80 70 60 50 40 30 20 1.1
1.2
1.3
1.4
1.5
1.6
10
30
50
70
90
VF - FORWARD VOLTAGE - V
IF - FORWARD CURRENT - mA
Figure 3. Typical Forward Voltage and Current Characteristics.
Figure 4. Normalized Transmitter Output Power vs. Forward Current.
0.1 F
+ 5.0 V
10 F TANTALUM 0.1 F
HFBR-1312T 2, 6 7 3 150
1 DATA + DATA - 5 4 10 9 11 13 12
16 3
75 NE46134 75 220 2.7 2.7 24
MC10H116A
2 7
MC10H116B
NE46134 220
6 Vbb 15
MC10H116C
14 8
NOTES: 1. ALL RESISTORS ARE 5% TOLERANCE. 2. BEST PERFORMANCE WITH SURFACE MOUNT COMPONENTS. 3. DIP MOTOROLA MC10H116 IS SHOWN, PLCC MAY ALSO BE USED.
Figure 5. Recommended Transmitter Drive and Test Circuit.
6
HFBR-2316T Receiver Absolute Maximum Ratings
Parameter Storage Temperature Operating Temperature Lead Soldering Temperature Cycle Time Signal Pin Voltage Supply Voltage Output Current VO VCC - VEE IO -0.5 -0.5 Symbol TS TA Min. -55 -40 Max. 85 +85 260 10 VCC 6.0 25 Unit C C C s V V mA Note 2 Note 1 Reference
CAUTION: The small junction sizes inherent to the design of this bipolar component increase the component's susceptibility to damage from electrostatic discharge (ESD). It is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation which may be induced by ESD.
HFBR-2316T Receiver Electrical/Optical and Dynamic Characteristics
0 to 70C; 4.75 V < VCC - VEE < 5.25 V; power supply must be filtered (see note 2). Parameter Responsitivity Symbol RP 62.5 m Min. Typ.[3] 6.5 13 Max. 19 Unit mV/W Condition p = 1300 nm, 50 MHz Multimode Fiber 62.5/125 m Singlemode Fiber 9/125m 0.59 1.0 Equivalent Optical Noise Input Power (RMS) Peak Input Optical Power Output Resistance DC Output Voltage Supply Current Electrical Bandwidth Bandwidth * Rise Time Product Electrical Rise, Fall Times, 10-90% Pulse-Width Distortion Overshoot tr,t f PWD PN, RMS -45 0.032 PR RO VO,DC ICC BWE 75 0.8 30 1.8 9 125 0.41 3.3 0.4 2 5.3 1.0 2.6 15 -41.5 0.071 -11.0 80 mVRMS mVRMS dBm W dBm W Ohm V mA MHz Hz *s ns ns % PR = -15 dBm peak, @ 50 MHz PR = -11 dBm, peak PR = -15 dBm, peak f = 50 MHz VCC = 5 V, VEE = 0 V PR = 0 W RLOAD = -3 dB electrical Note 7 Note 11 Note 8 Fig. 9 Note 6,9 Fig. 8 Note 10 50 MHz, 1 ns PWD Note 6 Fig. 8 100 MHz Bandwidth, PR = 0 W Unfiltered Bandwidth PR = 0 W @ 100 MHz, PR = 0 W Note 5 Note 5 Fig. 7 Ref. Note 4 Fig. 6, 10
RP 9 m RMS Output Noise Voltage VNO
8.5
17 0.4
7
Receiver Notes: 1. 2.0 mm from where leads enter case. 2. The signal output is referred to VCC, and does not reject noise from the VCC power supply. Consequently, the VCC power supply must be filtered. The recommended power supply is +5 V on VCC for typical usage with +5 V ECL logic. A -5 V power supply on VEE is used for test purposes to minimize power supply noise. 3. Typical specifications are for operation at TA = 25C and VCC = +5 VDC. 4. The test circuit layout should be in accordance with good high frequency circuit design techniques. 5. Measured with a 9-pole "brick wall" low-pass filter [Mini-CircuitsTM, BLP-100*] with -3 dB bandwidth of 100 MHz. 6. -11.0 dBm is the maximum peak input optical power for which pulse-width distortion is less than 1 ns. 7. Electrical bandwidth is the frequency where the responsivity is -3 dB (electrical) below the responsivity measured at 50 MHz. 8. The specifled rise and fall times are referenced to a fast square wave optical source. Rise and fall times measured using an LED optical source with a 2.0 ns rise and fall time (such as the HFBR-1312T) will be approximately 0.6 ns longer than the specifled rise and fall times. E.g.: measured tr,f ~ [(specifled tr,f) 2 + (test source optical tr,f) 2]1/2. 9. 10 ns pulse width, 50% duty cycle, at the 50% amplitude point of the waveform. 10. Percent overshoot is defined as: ((VPK - V100%)/V100%) x 100% . The overshoot is typically 2% with an input optical rise time 1.5 ns. 11. The bandwidth*risetime product is typically 0.41 because the HFBR-2316T has a second-order bandwidth limiting characteristic.
150
HZ
HFBR-2316T
SPECTRAL NOISE DENSITY - nV/
VCC = 0 V 6 VO 2 TEST LOAD < 5 pF - 500 1 GHz FET PROBE
125
100
75
3, 7 10
50
100 pF 500 100 pF 0.1 F VEE = -5 V
0.1 F
25 0
VEE = -5 V
0
50
100
150
200
250
300
FREQUENCY - MHZ
Figure 6. HFBR-2316T Receiver Test Circuit.
Figure 7. Typical Output Spectral Noise Density vs. Frequency.
3.0
PWD - PULSE WIDTH DISTORTION - ns
6.0
1.1 1.0
tr, tf - RESPONSE TIME - ns
2.5
NORMALIZED RESPONSE
5.0
0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2
2.0
4.0 tf 3.0 tr
1.5
1.0
0.5 0 0 20 40 60 80 100 120
2.0
1.0 -60
-40
-20
0
20
40
60
80
100
0.1 900 1000 1100 1200 1300 1400 1500 1600 1700 - WAVELENGTH - nm
PR - INPUT OPTICAL POWER - W
TEMPERATURE - C
Figure 8. Typical Pulse Width Distortion vs. Peak Input Power.
Figure 9. Typical Rise and Fall Times vs. Temperature.
Figure 10. Normalized Receiver Spectral Response.
*Mini-Circuits Division of Components Corporation.
www.semiconductor.agilent.com Data subject to change. Copyright (c) 2001 Agilent Technologies, Inc. June 6, 2001 Obsoletes 5965-3611E (11/99) 5988-2576EN

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