HFBR-2315M [ETC]
FIBER OPTIC RECEIVER ; 光纤接收器\n
| 型号： | HFBR-2315M |
| 厂家： | 
ETC |
| 描述： | FIBER OPTIC RECEIVER
|
| 文件： | 总11页 (文件大小：248K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1300 nm E-LED Transmitter
and PIN/Preamp Receiver for
Single-Mode Fiber
Technical Data
HFBR-0305 Series
Features
• Distances up to 14 km at
Signal Rates of 20 MBd
• Performance Specified with
Single-Mode Fiber Cables
• Wave Solder and Aqueous
Wash Process Compatible
• Panel Mount ST Connectors
• Pinout Compatible with
HFBR-0400 Series Parts
Transmitter
The HFBR-1315TM/1315M
single-mode fiber-optic trans-
mitter contains a 1300 nm edge-
emitting LED (E-LED) capable of
efficiently launching optical
power into single-mode fiber.
Because it is an LED, and not a
laser, the drive circuit is simple
and compatible with drive circuits Package
for multimode LED transmitters.
HFBR-0305 Series transmitters
and receivers are housed in a
dual-in-line package made of high
Applications
• Single-Mode Extensions to
Ethernet (10Base-F) Links
• Proprietary Links Using
Single-Mode Fiber
Receiver
The HFBR-2315T/2315M receiver strength, heat resistant, chemical
contains an InGaAs PIN
resistant, and UL V-0 flame
retardant plastic. The HFBR-
1315TM/1315M is a stainless
steel, threaded ST port (panel
mountable); the HFBR-1315M is
a stainless steel, unthreaded ST
port. The HFBR-2315T is a black,
non-conductive plastic threaded
ST port (panel mountable); the
HFBR-2315M is a stainless steel,
unthreaded ST port.
photodiode and a low-noise
transimpedance preamplifier
operating in the 1300 nm
wavelength region. The HFBR-
2315T/2315M receives an optical
signal and converts it to an
analog voltage. The buffered
output is an emitter-follower,
with a frequency response from
dc to typically 125 MHz.
Description
The HFBR-0305 Series is
designed to provide the most
cost-effective single-mode
solution, and is pin-compatible
with HFBR-0400 and HFBR-0300
families of 820 and 1300 nm
fiber optic links for multi-mode
fiber. This allows designers to use
a single circuit and board layout
for 820 nm multimode fiber links,
1300 nm multimode fiber links,
and 1300 nm single-mode fiber
links. Upgrading a multimode
solution to single-mode fiber is as
simple as switching components
on a board.
Package Options
Metal Port
HFBR-1315TM
Plastic Port
Transmitter:
Threaded
Unthreaded
Receiver:
N/A
N/A
HFBR-1315M
Threaded
Unthreaded
N/A
HFBR-2315M
HFBR-2315T
N/A
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2
ESD Handling
Precautions
Panel Mounting of
Threaded ST Package
Style
Flame Resistance
The HFBR-0305 Series package
is made with UL V-0 flame
retardant plastic material.
The HFBR-0305 Series products
are MIL-STD 883C Method
3015.4 Class 1 devices. Normal
static precautions should be
taken in handling and assembly
of this component to prevent
damage and/or degradation which
may be induced by electrostatic
discharge (ESD)
Any standard 3/8 - 32 UNEF-2B
threaded nut and washer can be
used to secure the threaded ST
receptacle to the chassis wall,
provided the overall thickness of
the chassis wall, washer and nut
are less than 5.1 mm (0.2 inch).
Agilent supplies the HFBR-4411
kit which consists of 100 each,
nuts and washers per the figure
below.
Electrostatic Discharge
(ESD)
Static discharges can occur to the
exterior of the equipment chassis
containing the HFBR-0305 Series
parts. To the extent that their
connector receptacles are
exposed to the outside of the
equipment chassis, they may be
subject to whatever ESD system
level test criteria that the
Solder Processing
The HFBR-0305 Series products
are compatible with either hand
or wave solder processes. When
soldering, it is advisable to leave
3/8 - 32 UNEF -
2B THREAD
equipment is intended to meet.
the protective cap on the port to 9.53
DIA.
(0.375)
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.
Radiated Susceptibility
Equipment utilizing these
12.70
DIA.
(0.50)
1.65
(0.065)
products will be subject to EMI
fields in some environments.
These HFBR-0305 Series prod-
ucts are expected to withstand
fields of up to 10 volts per meter,
when tested on a circuit card in
free space without an equipment
chassis, with no measurable
effect on their performance. A
suggested test method is based
on the equipment procedure
specified in IEC 801-3.
HEX-NUT
14.27 TYP.
(0.563) DIA.
10.41 MAX.
(0.410) DIA.
0.46
(0.018)
INTERNAL TOOTH LOCK WASHER
Wash Processing -
Chemical Resistance
The HFBR-0305 Series package
is compatible with the following
chemicals for cleaning and
degreasing:
- Aqueous Wash
- Naptha
- Alcohol (methyl, isopropyl,
isobutyl)
- Aliphatics (hexane, heptane)
ALL DIMENSIONS IN MILLIMETERS AND (INCHES).
When preparing the chassis wall
for panel mounting, use the
mounting template in the figure
below. When tightening the nut,
torque should not exceed 0.8 N-m
(8.0 in-lb). Note that the maxi-
mum nut dimension exceeds the
width of the port package, so
approximately 2 mm of space
between device packages is
required to allow nuts to be
mounted on adjacent ports.
The following chemicals are not
recommended as they will
damage the package: Partially
halogenated hydrocarbons such
as 1,1,1 Trichloroethane, Ketones
such as MEK, Acetone, Chloro-
form, Ethyl Acetate, Methylene
Dichloride and N-methylpyroldone.
9.80
(0.386)
DIA.
8.0
(0.315)
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3
Pinout Description
HFBR-1315TM/1315M
Transmitters
Mechanical Dimensions
All dimensions are in millimeters
and (inches)
HFBR-2315T/2315M Receivers
PART NUMBER
DATE CODE
5.05
6
(0.199)
V
CC
6
ANODE
ANALOG
SIGNAL
2
12.6
(0.495)
7.05
(0.278)
DIA.
3
3, 7
CATHODE
V
EE
PIN 1 INDICATOR
29.8
(1.174)
4
3
2
5
6
7
8
7
6
1
2
3
12.6
(0.495)
1
8
5
4
PIN 1 INDICATOR
BOTTOM VIEW
BOTTOM VIEW
PIN FUNCTION
PIN FUNCTION
1†
2*
3
4†
5†
6
N.C.
N.C.
CATHODE
N.C.
N.C.
ANODE
N.C.
3/8-32 UNEF-2A
1†
2
N.C.
SIGNAL
2.54
(0.100)
3.81
3*
4†
5†
6
7*
8†
V
EE
N.C.
N.C.
(0.150)
V
V
CC
EE
6.30
7
(0.248)
8†
N.C.
7.62
N.C.
(0.300)
8.31
* THERE IS NO PIN 2. I.E., IN THE NUMBER 2
PIN POSITION, THERE IS NO PHYSICAL PIN.
(0.327)
* PINS 3 AND 7 ARE ELECTRICALLY
CONNECTED TO THE HEADER.
3.60
(0.140)
10.20
(0.400)
† PINS 1, 4, 5, AND 8 ARE ISOLATED FROM
THE INTERNAL CIRCUITRY, BUT ARE
ELECTRICALLY CONNECTED TO EACH OTHER
AND TO THE METAL PORT.
† PINS 1, 4, 5, AND 8 ARE ISOLATED FROM
THE INTERNAL CIRCUITRY, BUT ARE
ELECTRICALLY CONNECTED TO EACH OTHER
(AND TO THE PORT IF METAL).
5.10
(0.202)
1.27
(0.050)
2.54
(0.100)
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)
PIN NO. 1
INDICATOR
Recommended Operating Conditions for HFBR-0305 Series Products
Parameter
Operating Temperature - Ambient
Supply Voltage
Symbol
Min.
0
4.75
Typ.
Max.
70
5.25
Unit
°C
V
Reference
Note 1
T
A
VCC
Note:
1. The HFBR-2315T/2315M signal output is referenced to VCC, and does not reject noise from the VCC power supply. Consequently,
the VCC power supply must be filtered.
Link Performance: At Data Rates 1-20 MBd
Parameter
Symbol
Min.
Typ. Max. Unit
Conditions
Reference
Optical Power Budget with
Single-Mode Fiber Cables
OPB
9
18
dB
0 to 70°C
Note 1
Link Distance with Single-
Mode Fiber Cables
14
km
0 to 70°C
Note 2
Notes:
1. Optical Power Budget applies to HFBR-1315TM/1315M and HFBR-2315T/2315M in the recommended application circuit (Figures
1 and 2). Worst case transmitter coupled power (PT) is -27 dBm peak, -30 dBm average. Worst case receiver sensitivity is -36 dBm
peak, -39 dBm average. Refer to Application Note 1082 for details.
2. Link distance is based on fiber with 0.5 dB/km attenuation, and assumes 1 dB for loss of in-line splices or connectors, and 1 dB
margin for LED aging: (9 dB OPB - 1 dB in-line splice loss - 1 dB aging margin)/(0.5 dB/km) = 14 km.
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4
+5 V V
cc
J100
J1
JUMPER
TTL IN
J102
U4D
74ACT11000
8
9
ENABLE IN
J103
7
C14
0.1 mF
J2
JUMPER
LT 1016
U3
U4C
74ACT11000
1
-DIFF. IN
J104
7
11
10
2
6
+
3
8
+DIFF. IN
J105
–
4, 5, 6
5
4
R5
510 Ω
R6
510 Ω
12
13
C15
0.1 mF
U4B
74ACT11000
15
14
3
+
C16
10 mF
± 20%
U4A
74ACT11000
1
0V SYSTEM
COMMON
J101
2
16
6
LED
HFBR-1315TM/1315M
3
R8
18 Ω
NOTES:
1. ALL RESISTORS ± 5% UNLESS
OTHERWISE SHOWN
R7
2. ALL CAPACITORS ± 10% UNLESS
OTHERWISE SHOWN
18 Ω
C17
47 pF
R9
390 Ω
Figure 1. Recommended Transmitter Circuit.
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5
R1
10 Ω
+5 V V
CC
D1
C7
10 mF
± 20%
C6
10 mF
± 20%
C1
0.1 mF
+
+
HLMP-4700
C8
0.1 mF
0 V GND
L1
4.7 mH
R2
1.2 K Ω
U1
HFBR-2315T/2315M
1
2
16
15
8
5
6
LINK MON CMP EN
C9
0.1 mF
C2
0.01 mF
GND
VTH ADJ
2
3
4
14
13
VIN –
VIN +
V
REF
C10
0.047 mF
3
7
1
4
C TIMER
C4
0.1 mF
5
6
12
11
U2
ML4622
VDC
CF2
V
CC
C3
0.01 mF
C11
0.1 mF
TTL OUT
ECL +
C5
4.7 pF
7
8
10
9
TTL OUT
CF1
C12
0.1 mF
GND TTL
ECL –
+DIFF. OUT
NOTES:
1. C12, C13, R3, AND R4 ARE REQUIRED IF
THE TTL AND ECL OUTPUTS ARE USED
SIMULTANEOUSLY.
2. R3 AND R4 SHOULD NOT BE SMALLER
THAN 270 OHMS.
3. ALL RESISTORS ±5%.
4. ALL CAPACITORS ±10% UNLESS OTHERWISE SHOWN.
–DIFF. OUT
C13
0.1 mF
R3
R4
Figure 2. Recommended Receiver Circuit.
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6
HFBR-1315TM/1315M - Transmitter Absolute Maximum Ratings
Parameter
Storage Temperature
Operating Temperature
Lead Soldering Cycle Temperature
Lead Soldering Cycle Time
Forward Input Current dc
Forward Input Current, Peak
Reverse Input Voltage
Symbol
Min.
-40
-40
Max.
85
85
260
10
100
175
2
Unit
°C
°C
Condition
Note 1
TS
TA
°C
sec
mA
mA
V
IFDC
IFPK
VR
1 sec pulse
Notes:
1. 2.0 mm from where leads enter case.
CAUTION: It is advised that normal static precautions be taken in handling or assembly of these components to
prevent damage and/or degradation which may be induced by ESD.
HFBR-1315TM/1315M - Transmitter Electrical/Optical Characteristics
(TA = 0°C to 70°C, IF = 100 mA unless otherwise specified)
Parameter
Forward Voltage
Symbol
Min. Typ.[1] Max.
Unit
V
Condition
TA = 25°C
Reference
Figure 3
VF
1.1
1.0
1.5
1.9
2.0
Forward Voltage Temperature
Coefficient
∆VF/∆T
-3.4
mV/°C
Center Emission Wavelength
Spectral Width - FWHM
λC
1265
1310 1380
nm
nm
∆λ
95
125
140
TA = 25°C
Optical Power Temperature
Coefficient
Reverse Leakage Current
∆PT/∆T
IR
-0.07
dB/°C
µA
200
TA = 25°C,
VR = -2 V
Thermal Resistance
θJA
105
°C/W
Note 2
Notes:
1. Typical data are at TA = 25°C.
2. Thermal resistance is measured with the transmitter coupled to a connector assembly and mounted on a printed circuit board;
θJC < θJA
.
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7
HFBR-1315TM/1315M - Transmitter Optical Output Power and Dynamic
Characteristics
Conditions
Parameter
Peak Power
Single-mode
Symbol
Min.
-23
-27
Typ.[1]
Max.
-17
-15
Unit
TA
IF,peak
100 mA
100 mA
Reference
PT
-21
dBm
25°C
0-70°C
0-70°C
Note 2
Figure 4
Rise, Fall Time
(10% to 90%)
Rise, Fall Time
(10% to 90%)
tr, tf
tr, tf
4.5
ns
ns
100 mA,
Note 4
Figure 5
Note 4
Figure 1
No Pre-bias
2.6
1.6
0-70°C
100 mA,
With Pre-bias
Notes:
1. Typical data are at TA = 25°C.
2. Optical power is measured with a large area detector at the end of 1 meter of single-mode cable, with an ST* precision ceramic
ferrule (MIL-STD-83522/13), which approximates a standard test connector.
3. When changing from µW to dBm, the optical power is referenced to 1 mW (1000 µW). Optical power
P(dBm) = 10*log[P(µW)/1000µW].
4. Optical rise and fall times are measured from 10% to 90% with single-mode fiber. The “No Pre-bias” response time is measured in
the recommended test circuit (50 ohm load, Figure 5) at 25 MHz, 50% duty cycle. The response time “With Pre-bias” is measured in
the recommended application circuit (Figure 1).
180
1.6
1.4
1.2
1.0
0.8
0.6
0.4
160
140
120
100
80
60
0.2
0
40
20
20 40
60
80 100 120 140 160 180
1.1
1.2
1.3
1.4
1.5
1.6
I
– FORWARD CURRENT – mA
V
F
– FORWARD VOLTAGE – V
F
Figure 4. Normalized Transmitter
Output Power vs. Forward Current,
25°C.
Figure 3. Typical Forward Voltage
and Current Characteristics, 25°C.
PULSE
GENERATOR
PHOTODIODE
Figure 5. Test Circuit for Measuring tr, tf Without Pre-Bias.
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8
HFBR-2315TM/2315M - Receiver Absolute Maximum Ratings
Parameter
Storage Temperature
Operating Temperature
Lead Soldering Cycle Temperature
Lead Soldering Cycle Time
Signal Pin Voltage
Symbol
Min.
-55
-40
Max.
85
+85
260
10
VCC
6.0
25
Unit
°C
°C
°C
sec
V
Condition
Note 1
TS
TA
VO
(VCC - VEE)
IO
-0.5
-0.5
Supply Voltage
Output Current
V
mA
Note 2
CAUTION: It is advised that normal static precautions be taken in handling or assembly of these components to
prevent damage and/or degradation which may be induced by ESD.
HFBR-2315T/2315M - Electrical/Optical and Dynamic Characteristics
(T = 0°C to 70°C; 4.75 V < (VCC - VEE) < 5.25 V; power supply must be filtered per note 2)
A
Parameter
Symbol Min. Typ.[3] Max. Unit
Condition
Reference
Responsivity, Single-
Mode Fiber
RP
8.5
17
24 mV/µW λp = 1300 nm,
Note 4,
Figures 6, 10
50 MHz
RMS Output Noise
Voltage
VNO
0.4
0.59 mVRMS @100 MHz,
PR = 0 mW
Note 5
Figure 7
1.0
mVRMS Unfiltered Bandwidth
PR = 0 mW
Equivalent Optical Noise PN,RMS
Input Power (RMS)
-45
-41.5 dBm
@100 MHz,
PR = 0 mW
Note 5
0.032 0.071
µW
dBm
µW
Ω
Peak Input Optical
Power, Single-Mode
PR
-14
40
30
50 MHz, 1 ns PWD
Note 6
Figure 8
Output Impedance
DC Output Voltage
ZO
VO,DC
f = 50 MHz
VCC = 5 V, VEE = 0 V
PR = 0 mW
RLOAD = ∞
-3 dB electrical
0.8
75
1.8
2.6
V
Supply Current
Electrical Bandwidth
Bandwidth * Rise Time
Electrical Rise, Fall
Times, 10-90%
Pulse-Width Distortion
ICC
BWE
9
15
mA
MHz
Hz * s
ns
125
0.41
3.3
Note 7
Note 8
Note 9
tr,f
5.3
1.0
PR = -21 dBm Peak,
@ 50 MHz
PR = -14 dBm, Peak, Note 10
Single-Mode Fiber
PR = -21 dBm, Peak
Figure 9
PWD
0.4
2
ns
%
Figure 8
Note 11
Overshoot
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9
Notes:
5. Measured with a Mini-Circuits 9-pole
“brick wall” low-pass filter, BLP-100,
with -3 dB bandwidth of 100 MHz.
6. -14 dBm is the maximum peak input
optical power from single-mode fiber
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.
optical source. Rise and fall times
measured using an LED optical
1. 2.0 mm from where leads enter case.
2. The signal output is an emitter
follower, which does not reject noise
from VCC. Consequently, the power
supply must be filtered. The recom-
mended supply is +5 V on VCC for
typical usage with +5 V ECL logic. A
-5 V supply on VEE is used for test
purposes to minimize supply noise.
3. Typical specifications are for
source with a 2.0 ns rise and fall time
(such as the HFBR-1315TM/1315M)
will be approximately 0.6 ns longer
than the specified rise and fall times.
E.g.: measured tr,f [(specified tr,f)2
+ (test source optical tr,f)2]1/2
10. 10 ns pulse width, 50% duty cycle, at
the 50% amplitude point of the
waveform.
operation at T = 25°C, VCC = +5
VDC, VEE = 0 V.
4. The test circuit layout should be in
accordance with good high frequency
circuit design techniques.
8. The bandwidth * risetime product is
typically 0.41 because the HFBR-
2315T/2315M has a second-order
bandwidth limiting characteristic.
9. The specified rise and fall times are
referenced to a fast square wave
11. Percent overshoot is defined as:
((VPK - V100%)/V100%) x 100%. The
overshoot is typically 2% with an
input optical rise time < 1.5 ns.
A
150
V
6
= 0 V
CC
125
100
HFBR-2315T
V
O
1 GHz FET PROBE
2
75
50
TEST
500 Ω
LOAD
3, 7
<
5 pF
–
10 Ω
100 pF
0.1 µF
500 Ω
25
0
100 pF
0.1 µF
V
EE
= -5 V
V
EE
= -5 V
0
50
100
150
200
250
300
FREQUENCY – MH
Z
Figure 6. HFBR-2315T/2315M Receiver Test Circuit.
Figure 7. Typical Output Spectral
Noise Density vs. Frequency.
3.0
6.0
5.0
4.0
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
2.5
2.0
t
t
f
1.5
1.0
3.0
2.0
1.0
r
0.5
0
0.2
0.1
900 1000 1100 1200 1300 1400 1500 1600 1700
0
10
P
20
30
40
50
60
70 80
-60 -40 -20
0
20
40
60
80 100
λ – WAVELENGTH – nm
TEMPERATURE – °C
– INPUT OPTICAL POWER – µW
R
Figure 9. Typical Rise and Fall Times
vs. Temperature.
Figure 8. Typical Pulse Width
Distortion vs. Peak Input Power.
Figure 10. Normalized Receiver
Spectral Response.
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10
6
POSITIVE
SUPPLY
BIAS & FILTER
CIRCUITS
V
CC
300 pF
2
ANALOG
SIGNAL
V
OUT
5.0
mA
3, 7
NEGATIVE
SUPPLY
V
EE
Figure 11. HFBR-2315T Simplified Schematic Diagram.
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www.semiconductor.agilent.com
Data subject to change.
Copyright © 1999 Agilent Technologies, Inc.
Obsoletes 5964-3544E (9/95)
5964-3544E (11/99)
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