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Fiber Optics Digital Transmitter and Receiver Module

INTRODUCTION

Now we are in the twenty first century, the era of ‘Information technology’ there is no doubt that information technology has an exponential growth through the modern telecommunication systems. Particularly, optical fiber communication plays a vital role in the development of high quality and high-speed telecommunication systems. Today, optical fibers are not only used in telecommunication links but also used in the Internet and local area networks (LAN) to achieve high signaling rates.

In our Fiber Optics Digital communication Module consists of Fiber Optics Digital Transmitter Module PS-FO-DT and Fiber optics Digital Receiver Module PS-FO-DR. It uses to study the Fiber Optics Digital Data Transmission and Reception through plastic fiber cable.

In Transmitter Module, onboard TTL Generator at Variable frequency, Supporting External TTL signal at certain range, Serial port communication use for study the PC to PC Communication, Kit to Kit communication etc., and LED Driver circuit. In Receiver Module, Photo diode Driver section, Serial port Reception and TTL converter circuit. All connecterization are through BNC Connecters, RS232 connecters, uninsulated sockets and Patch chords.

PREFACE

Transmitter

The heart of the transmitter is a light source. The major function of a light source is to convert an information signal from its electrical form into light. Today's fiber-optic communications systems use, as a light source, either light-emitting diodes (LEDs) or laser diodes (LDS). Both are miniature semiconductor devices that effectively convert electrical signals into light. They need power-supply connections and modulation circuitry. All these components are usually fabricated in one integrated package.

Transmitting LED HFBR 1251





This type LEDs needs external Driver circuits. Here we used IC 75451 for drive the LED.

Optical fiber

The transmission medium in fiber-optic communications systems is an optical fiber. The optical fiber is the transparent flexible filament that guides light from a transmitter to a receiver. An optical information signal entered at the transmitter end of a fiber - optic communications system is delivered to the receiver end by the optical fiber.

Model Diagram for Plastic Fiber cable





Fiber cable Properties





Receiver

The key component of an optical receiver is its photo detector. The major function of a photo detector is to convert an optical information signal back into an electrical signal (Photocurrent). The photo detector in today's fiber - optic communications systems is a semiconductor photodiode (PD). This miniature device is usually fabricated together with its electrical circuitry to from an integrated package that provides power-supply connections and signal amplification.

Receiving Photo Diode HFBR 2521





In this type Photo Diode have internal driver circuits. So no need any external driver.

Advantage of Optical Fiber Systems

  • Greater information capacity: Optical fiber communications systems have a greater information capacity than metallic cables due to the inherently larger bandwidths available with optical frequencies. Optical fibers are available with bandwidth up to10 GHz. Metallic cables exhibit capacitance between and inductance along their conductors causing them to act like low-pass filters, which limit their transmission frequencies, bandwidths, and information-carrying capacity. Modern optical fiber communication systems are capable of transmitting several gigabits per second over hundreds of miles allowing literally millions of individual voice and data channels to be combined and propagated over one optical fiber cable.
  • Immunity to crosstalk: Optical cables are immune to crosstalk between adjacent cables due to magnetic induction. Glass or plastic fibers are nonconductors of electricity and, therefore, do not have magnetic fields associated with them. In metallic cables, the primary cause of crosstalk is magnetic induction between conductors located physically close to each other.
  • Immunity to static interference: Optical cables are immune to static noise caused by electromagnetic interference (EMI) from lighting, electric motors, fluorescent lights, and other electrical noise sources. This immunity is also attributed to the fact that optical fibers are nonconductors of electricity and external electrical noise does not affect energy at light frequencies. Fiber cables do not radiate RF energy either and, therefore, cannot interfere with other communications systems. This characteristic makes optical fiber systems ideally suited for military applications where the effects of nuclear weapons (electromagnetic pulse interference-EMP) have a devastating effect on conventional electronic communications systems.
  • Environmental immunity: Optical cables are more resistant to environmental extremes than metallic cables. Optical cables also operate over wider temperature variations and fiber cables are less affected by corrosive liquids and gases.
  • Safety: Optical cables are safer and easier and to install and maintain than metallic cables. Because glass and plastic fibers are nonconductors, there are no electrical currents or voltages associated with them. Optical fibers can be used around volatile liquids and gases without worrying about their causing explosions or fires. Optical fibers are smaller and much more lightweight than metallic cables. Consequently, users are easier to work with and much better suited to airborne applications. Fiber cables also require less storage space and are cheaper to transport.
  • Security: Optical fibers are more secure than metallic cables. It is virtually impossible to tap into a fiber cable without the user's knowledge, and optical cables cannot be detected with metal detectors unless they are reinforced with steel for strength. These are also qualities that make optical fibers attractive to military applications.
  • Longer lasting: Although it has not yet been proven, it is projected that fiber systems will last longer than metallic facilities. This assumption is based on the higher tolerances that fiber cables have to changes in environmental conditions and their immunity to corrosives.
  • Economics: The cost of optical fiber cables is approximately the same as metallic cables. Fiber cables have less loss, however, and therefore require fewer repeaters. Fewer repeaters equate to lower installation and overall system costs, and improve reliability.

 

TECHNICAL SPECIFICATION

 

TRANSMITTER

  • Transmitter LED Type : DC coupled
  • Source Wavelength : 660nm
  • Input signal type : Digital Data
  • Maximum I/P voltage : +5V
  • Supply Voltage : +15V DC
  • Function Generator : TTL Output at Variable Frequency
  • Data Rate : 1 Mbps
  • LED Interface : Self locking Cap
  • LED Driver : On board IC Driver
  • Serial Port : IC Max232 Driver
  • Supply current : 100 mA (Maximum)
  • Interface connectors : 2mm socket

 

RECEIVER

  • Receiver type : DC coupled
  • Diode Wavelength : 660nm - 850nm
  • Data Rate : 5 Mbps
  • Photo Diode Interface : Self Locking Cap
  • Photo Diode Driver : Internal Diode Driver
  • Serial Port : IC Max232 Driver
  • Optical cable : Plastic fiber multimode (1000 Micron core)
  • Fiber cladding index : 1.402
  • Supply current : 50mA (maximum)
  • Interface connector : 2mm socket

 

FEATURES

  • On-board TTL generator at variable frequency.
  • Input over voltage protection using ICs.
  • Transmitter driver supports low and medium frequency input signal.
  • Supporting External TTL at variable range (10 Hz to 100 KHz).
  • Number of test point to study the fiber digital optic link.
  • Wide receiving range.
  • Wider bandwidth link at 660nm to 850 nm.
  • PC to PC communication over plastic fiber optic cable.
  • On chip Driver at the receiver.

 

Internal Function Generator

In this module XR 2206 IC based function generator .Its generate TTL signal at variable range, the frequency range was 200 Hz to 10 KHz.

External Signal Input

This module was design supporting external TTL signal at variable Frequency range .Here we give TTL signal in the range of below 1 MHz

Serial Port Input

In this section design basis of max 232 IC.Its used for serial port communication.

LED and Driver

Here we were used HFBR 1521 LED for transmitting purpose and IC 75451 used for drive the LED.

Photo Diode and driver

HFBR 2521 Photo Diode used for receiver module. In this photo diode has internal driver circuits.

TTL Converter

This section consist of 74 HC 14 IC, photo diode HFBR 2521 output was not a pure TTL output, so photo diode output convert pure digital in TTL converter section.

Power

In this module we need +12V/500mA DC adapter for power supply section that will be converting + 12V, + 5V and -5V in on board

FRONT PANAL DIAGRAM FOR TRANSMITTER





FRONT PANAL DIAGRAM FOR RECEIVER





EXPERIMENTAL SECTION

LIST OF EXPERIMENTS

Experiment 1:

To Study the Fiber Optics Digital Link using Internal Function Generator

Experiment 2:

To Study the Fiber Optics Digital Link using External Function Generator

Experiment 3:

To Study the PC to PC Communication using Fiber Optic Media

Experiment 4:

To Study the 8051 Kit to Kit Communication using Fiber Optic Media

Experiment 5:

To Study the 8086 Kit to Kit Communication using Fiber Optic Media

Experiment 6:

To Study the 8085 Kit to Kit Communication using Fiber Optic Media

Experiment 7:

To Study the Bit Rate of Digital Link

APPARATUS REQUIERED OF EXPERIMENTS

 

EXPERIMENT - 1: Study the Fiber Optics Digital Link using Internal Function Generator

 

Aim

To transmit and receive the TTL signal through plastic fiber cable by using an internal function generator.

Apparatus Required

 

Procedure

  • Connect +15V adapter to both transmitter and receiver module
  • Switch (sw1) ON the transmitter Module and CRO
  • Connect the CRO Probe, positive to P1 and negative to Ground P8.
  • Now we get a square wave generator output on CRO and vary the Freq pot meter min to max range.
  • Connect CRO positive to P2 test point now we get a TTL Output and vary the Freq pot meter for variable frequency.
  • Connect P2 and P9 using patch chord.
  • Connect the CRO positive to P12 test point and see the LED driver output.
  • Connect the 1 m Plastic fiber cable between transmitter modules LED to receiver module Photo Diode.
  • Switch (sw1) ON the receiver Module.
  • Connect the CRO probe positive to receiver module P3 test point and negative to P2 test point. Now we receive the TTL signal.
  • Connect P3 and P4 using patch chord.
  • Get a pure TTL output on P5 test point.
  • Keep CRO in dual mode, first channel connect to the transmitter module P2 test point and second channel connect to the receiver module P5 test point.
  • Now vary the freq pot meter min to max and get Input (CH1), Output (CH2) TTL signal at variable frequency.

 

The transmitted internal function generator TTL signal was received the receiver module at variable frequency range.

 

EXPERIMENT - 2: Study the Fiber Optics Digital Link using External Function Generator

 

Aim

To transmit and receive the TTL signal through plastic fiber cable by using an external function generator.

Apparatus Required

 

Procedure

  • Connect +15V adapter to both transmitter and receiver module.
  • Switch (sw1) ON the transmitter Module, CRO and function generator.
  • Connect Function generator output to transmitter P5 connector using BNC to BNC cable.
  • Connect the CRO Probe, positive to P4 and negative to Ground P8.
  • Now we get a square wave generator output on CRO and vary the Freq range at function generator (10 Hz to 100 KHz).
  • Connect P4 and P9 using patch chord.
  • Connect the CRO positive to P12 test point and see the LED driver output.
  • Connect the 1 m Plastic fiber cable between transmitter modules LED to receiver module Photo Diode.
  • Switch (sw1) ON the receiver Module.
  • Connect the CRO probe positive to receiver module P3 test point and negative to P2 test point. Now we receive the TTL signal.
  • Connect P3 and P4 using patch chord.
  • Get a pure TTL output on P5 test point.
  • Keep CRO in dual mode, first channel connect to the transmitter module P4 test point and second channel connect to the receiver module P5 test point.
  • Now vary the freq range 10 Hz to 100 KHz and get Input (CH1), Output (CH2) TTL signal at variable frequency.

 

The transmitted external function generator TTL signal was received the receiver module at variable frequency range.

 

EXPERIMENT - 3: Study the PC to PC Communication using Fiber Optic Media.

 

Aim

To transmit and receive data through plastic fiber cable by using PCs.

Apparatus Required

 

Procedure

  • Connect +15V adapter to both transmitter and receiver module.
  • Stch (sw1) ON the transmitter Module, CRO, PC 1, PC 2 and receiver module (sw1).
  • Connect PC to PC cable between PC 1 to transmitter module P5 connector and receiver module P8 connecter to PC 2.
  • Connect the 1 m Plastic fiber cable between transmitter modules LED to receiver module Photo Diode.
  • Connect the CRO Probe, positive to P7 and negative to Ground P8.
  • Now open the hyper terminal at transmitter side PC and transmit any character.
  • Now we get transmitted data output on CRO.
  • Connect P7 and P9 using patch chord at transmitter module.
  • Connect the CRO probe positive to receiver module P3 test point and negative to P2 test point. Now we receive the transmitted data.
  • Connect P3 and P7 using patch chord at receiver module.
  • Open hyper terminal at receiver side PC.
  • Now type any character in transmitter side PC and see the receiver side PC receive that characters.

 

The transmitted Digital data was received at the receiver module through plastic fiber cable.

 

EXPERIMENT - 4: Study the 8051 Kit to Kit Communication using Fiber Optic Media.

 

Aim

To transmit and receive data through plastic fiber cable by using 8051 Kits.

Apparatus Required

  • Fiber Optics Digital Transmitter Module - 01
  • Fiber Optics Digital Receiverodule - 01
  • Plastic Fiber cable 1 meter - 01
  • PS 8051 Kit - 02
  • Adapter +15V/ DC - 02
  • Patch Chords - 04
  • PC to PC cable - 02

 

Procedure

  • Connect +15V adapter to both transmitter and receiver module.
  • Switch (sw1) ON the transmitter Module, 8051 kits and receiver module (sw1).
  • Connect PC to PC cable between 8051Kit 1 to transmitter module P5 connector and receiver module P8 connecter to 8051Kit 2.
  • Connect the 1 m Plastic fiber cable between transmitter modules LED to receiver module Photo Diode.
  • Connect P7 and P9 using patch chord at transmitter module.
  • Connect P3 and P7 using patch chord at receiver module.
  • Now type the program in transmitter side and receiver side 8051 kits
  • First execute the receiver side 8051 kit.
  • Give the transmitting data from 4500 address and execute the transmitter side 8051 kit.
  • Now received data verified from 4500 address in receiver side 8051 kit.

 

The transmitted Digital data was received at the receiver module through plastic fiber cable by using 8051 kit.

 

EXPERIMENT - 5: Study the 8086 Kit to Kit Communication using Fiber Optic Media.

 

Aim

To transmit and receive data through plastic fiber cable using 8086 Kits.

Apparatus Required

 

Procedure

  • Connect +15V adapter to both transmitter and receiver module.
  • Switch (sw1) ON the transmitter Module, 8086 kits and receiver module (sw1).
  • Connect PC to PC cable between 8086Kit 1 to transmitter module P5 connector and receiver module P8 connecter to 8086Kit 2.
  • Connect the 1 m Plastic fiber cable between transmitter modules LED to receiver module Photo Diode.
  • Connect P7 and P9 using patch chord at transmitter module.
  • Connect P3 and P7 using patch chord at receiver module.
  • Now type the program in transmitter side and receiver side 8086 kits
  • First execute the receiver side 8086 kit.
  • Give the transmitting data from 1500 address and execute the transmitter side 8086 kit.
  • Now received data verified from 1500 address in receiver side 8086 kit.

 

8086 Transmitter Program

 

Address

Opcode

Mnemonics

1100

BE 00 15

MOV SI,1500H

1103

B0 36

MOV AL,36H

1105

BA 06 FF

MOV DX,FF06

1108

EE

OUT DX,AL

1109

B0 40

MOV AL,40H

110B

BA 04 FF

MOV DX,FF04

110E

EE

OUT DX,AL

110F

B0 01

MOV AL,01H

1111

BA 04 FF

MOV DX,FF04

1114

EE

OUT DX,AL

1115

B1 05

RELOAD: MOV CL,05H

1117

BA 12 FF

CHECK: MOV DX,FF12

111A

EC

IN AL,DX

111B

24 04

AND AL,04H

111D

74 F8

JZ CHECK

111F

8A 04

MOV AL,[SI]

1121

BA 10 FF

MOV DX,FF10

1124

EE

OUT DX,AL

1125

46

INC SI

1126

3C 3F

CMP AL,3FH

1128

75 EB

JNZ RELOAD

112A

FE C9

DEC CL

112C

75 E9

JNZ CHECK

112E

CD 02

INT 02



8086 Receiver PROGRAM

 

Address

Opcode

Mnemonics

1100

BE 00 15

MOV SI,1500H

1103

B0 36

MOV AL,36H

1105

BA 06 FF

MOV DX,FF06

1108

EE

OUT DX,AL

1109

B0 40

MOV AL,40H

110B

BA 04 FF

MOV DX,FF04

110E

EE

OUT DX,AL

110F

B0 01

MOV AL,01H

1111

BA 04 FF

MOV DX,FF04

1114

EE

OUT DX,AL

1115

B1 05

RELOAD: MOV CL,05H

1117

BA 12 FF

CHECK: MOV DX,FF12

111A

EC

IN AL,DX

111B

24 02

AND AL,02H

111D

74 F8

JZ CHECK

111F

BA 10 FF

MOV DX,FF10

1122

EC

IN AL,DX

1123

88 04

MOV [SI],AL

1125

46

INC SI

1126

3C 3F

CMP AL,3FH

1128

75 EB

JNZ RELOAD

112A

FE C9

DEC CL

112C

75 E9

JNZ CHECK

112E

CD 02

INT 02



The transmitted Digital data was received at the receiver module through plastic fiber cable by using 8086 kit.

 

EXPERIMENT - 6: Study the 8085 Kit to Kit Communication using Fiber Optic Media.

 

Aim

To transmit and receive data through plastic fiber cable using 8085 Kits.

Apparatus Required

 

Procedure

  • Connect +15V adapter to both transmitter and receiver module.
  • Switch (sw1) ON the transmitter Module, 8085 kits and receiver module (sw1).
  • Connect PC to PC cable between 8085Kit 1 to transmitter module P5 connector and receiver module P8 connecter to 8085Kit 2.
  • Connect the 1 m Plastic fiber cable between transmitter modules LED to receiver module Photo Diode.
  • Connect P7 and P9 using patch chord at transmitter module.
  • Connect P3 and P7 using patch chord at receiver module.
  • Now type the program in transmitter side and receiver side 8085 kits
  • First execute the receiver side 8085 kit.
  • Give the transmitting data from 4500 address and execute the transmitter side 8085 kit.
  • Now received data verified from 4500 address in receiver side 8085 kit.

 

8086 Transmitter Program

 

Address

Opcode

Mnemonics

1100

BE 00 15

MOV SI,1500H

1103

B0 36

MOV AL,36H

1105

BA 06 FF

MOV DX,FF06

1108

EE

OUT DX,AL

1109

B0 40

MOV AL,40H

110B

BA 04 FF

MOV DX,FF04

110E

EE

OUT DX,AL

110F

B0 01

MOV AL,01H

1111

BA 04 FF

MOV DX,FF04

1114

EE

OUT DX,AL

1115

B1 05

RELOAD: MOV CL,05H

1117

BA 12 FF

CHECK: MOV DX,FF12

111A

EC

IN AL,DX

111B

24 04

AND AL,04H

111D

74 F8

JZ CHECK

111F

8A 04

MOV AL,[SI]

1121

BA 10 FF

MOV DX,FF10

1124

EE

OUT DX,AL

1125

46

INC SI

1126

3C 3F

CMP AL,3FH

1128

75 EB

JNZ RELOAD

112A

FE C9

DEC CL

112C

75 E9

JNZ CHECK

112E

CD 02

INT 02



8085 Receiver Program

 

Address

Opcode

Mnemonics

8500

21 00 86

LXI H,8600

8503

3E 36

MVI A,36

8505

D3 13

OUT 13

8507

3E 40

MVI A,40

8509

D3 10

OUT 10

850B

3E 01

MVI A,01

850D

D3 10

OUT 10

850F

0E 05

MVI C,05

8511

DB 01

IN 01

8513

E6 02

ANI 02

8515

CA 11 85

JZ 8511

8518

DB 00

IN 00

851A

77

MOV M,A

851B

23

INX H

851C

FE 3F

CPI 3F

851E

C2 0F 86

JNZ 850F

8521

0D

DCR C

8522

C2 11 86

JNZ 8511

8525

CF

RST 1



The transmitted Digital data was received at the receiver module through plastic fiber cable by using 8085 kit.

TECHNICAL DATA SHEETS

 

1. XR 2206

 

Features

  • Low-Sine Wave Distortion, 0.5%, Typical
  • Excellent Temperature Stability, 20ppm/°C, Typ.
  • Wide Sweep Range, 2000:1, Typical
  • Low-Supply Sensitivity, 0.01%V, Typ.
  • Linear Amplitude Modulation
  • TTL Compatible FSK Controls
  • Wide Supply Range, 10V to 26V
  • Adjustable Duty Cycle, 1% TO 99%

 

General Description

The XR-2206 is a monolithic function generator integrated circuit capable of producing high quality sine, square, triangle, ramp, and pulse waveforms of high-stability and accuracy. The output waveforms can be both amplitude and frequency modulated by an external voltage. Frequency of operation can be selected externally over a range of 0.01Hz to more than 1MHz.

The circuit is ideally suited for communications, instrumentation, and function generator applications requiring sinusoidal tone, AM, FM, or FSK generation. It has a typical drift specification of 20ppm/C. The oscillator frequency can be linearly swept over a 2000:1 frequency range with an external control voltage, while maintaining low distortion.

Ordering Information

 

 

PartNo.

 

Package

Operating

TemperatureRange

XR-2206M

16Lead300MilCDIP

-55→Cto +125C

XR-2206P

16Lead300MilPDIP

–40Cto +85C

XR-2206CP

16Lead300MilPDIP

0Cto +70C

XR-2206D

16Lead 300 Mil JEDEC SOIC

0Cto +70C



Pin Description

 

Pin#

Symbol

Type

Description

1

 

2

 

3

 

4

 

5

 

6

 

7

 

8

 

9

 

10

 

11


 

12

 

13

 

14

 

15

 

16

AMSI

 

STO

 

MO

 

VCC

 

TC1

 

TC2

 

TR1

 

TR2

 

FSKI

 

BIAS

 

SYNCO


 

GND

 

WAVEA1

 

WAVEA2

 

SYMA1

 

SYMA2

I

 

O

 

O

 

 

I

 

I

 

O

 

O

 

I

 

O

 

O


 

 

I

 

I

 

I

 

I

Amplitude Modulating Signal Input.

 

Sine or Triangle Wave Output.

 

Multiplier Output.

 

Positive Power Supply.

 

Timing Capacitor Input.

 

Timing Capacitor Input.

 

Timing Resistor 1 Output.

 

Timing Resistor 2 Output.

 

Frequency Shift Keying Input.

 

Internal Voltage Reference.

 

Sync Output. This output is a open collector and needs a pull up resistor to VCC.

 

Ground pin.

 

Wave Form Adjust Input 1.

 

Wave Form Adjust Input 2.

 

Wave Symmetry Adjust 1.

 

Wave Symmetry Adjust 2.



Block Diagram of XR 2206





Frequency of Operation

The frequency of oscillation, fo, is determined by the external timing capacitor, C, across Pin 5 and 6, and by the timing resistor, R, connected to either Pin 7 or 8. The frequency is given as: fo= 1/RC Hz

And can be adjusted by varying either R or C. The recommended values of R, for a given frequency range, as shown in Figure 5. Temperature stability is optimum For 4k_ < R < 200k_. Recommended values of C are from 1000pF to 100MF.

System Descriptions

The XR-2206 is comprised of four functional blocks; a voltage-controlled oscillator (VCO), an analog multiplier and sine-shaper; a unity gain buffer amplifier; and a set of current switches. The VCO produces an output frequency proportional to an input current, which is set by a resistor from the timing terminals to ground. With two timing pins, two discrete output frequencies can be independently produced for FSK generation applications by using the FSK input control pin. This input controls the current switches which select one of the timing resistor currents, and routes it to the VCO.

Applications

  • Waveform Generation
  • Sweep Generation
  • AM/FM Generation
  • V/F Conversion
  • FSK Generation Phase-Locked Loops (VCO)

 

2. HFBR 1521 and 2521

HFBR-0500ETZ Series





Description

The Versatile Link series is a complete family of fiber optic link components for applications requiring a low cost solution. The HFBR-0500ETZ series includes transmitters, receivers, connectors and cable specified for easy design. This series of components is ideal for solving problems with voltage isolation/insulation, EMI/RFI immunity or data security. The optical link design is simplified by the logic compatible receivers and complete specifications for each component. The key optical and electrical parameters of links configured with the HFBR-0500ETZ family are fully guaranteed from -40° to 85° C.

A wide variety of package configurations and connectors provide the designer with numerous mechanical solutions to meet application requirements. The transmitter and receiver components have been designed for use in high volume/low cost assembly processes such as auto insertion and wave soldering.

Transmitters incorporate a 660 nm LED. Receivers include a monolithic dc coupled, digital IC receiver with open collector Scotty output transistor. An internal pull up resistor is available for use in the HFBR-25X1ETZ and HFBR-25X2ETZ receivers. A shield has been integrated into the receiver IC to provide additional, localized noise immunity. Internal optics has been optimized for use with 1 mm diameter plastic optical fiber. Versatile Link specifications incorporate all connector interface losses. Therefore, optical calculations for common link applications are simplified.

Features

  • Extended temperature range -40 to +85° C
  • RoHS-compliant
  • Low cost fiber optic components
  • Enhanced digital links: dc-5 MBd
  • Link distance up to 43m at 1MBd and 20m at 5MBd
  • Low current link: 6 mA peak supply current
  • Horizontal and vertical mounting
  • Interlocking feature
  • High noise immunity
  • Easy connectoring: simplex, duplex, and latching
  • connectors
  • Flame retardant
  • Transmitters incorporate a 660 nm red LED for easy
  • visibility
  • Compatible with standard TTL circuitry

 

Handling

Versatile Link components are auto-insert able. When wave soldering is performed with Versatile Link components, the optical port plug should be left in to prevent contamination of the port. Do not use reflow solder processes (i.e., infrared reflow or vapor-phase reflow).Nonhalogenated water soluble fluxes (i.e., 0% chloride), not rosin based fluxes, are recommended for use with Versatile Link components. Versatile Link components are moisture sensitive devices and are shipped in a moisture sealed bag. If the components are exposed to air for an extended period of time, they may require a baking step before the soldering process. Refer to the special labeling on the shipping tube for details.

Pin Diagram of transmitter





Pin Diagram of Receiver





Applications

  • Reduction of lightning/volt age transient susceptibility
  • Motor controller triggering
  • Data communications and local area networks
  • Electromagnetic Compatibility (EMC) for regulated Systems: FCC, VDE, CSA, etc.
  • Tempest-secure data processing equipment
  • Isolation in test and measurement instruments
  • Error free signaling for industrial and manufacturing equipment
  • Automotive communications and control networks
  • Noise immune communication in audio and video equipment