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Title: ieee seminars topics for optoelectronics
Page Link: ieee seminars topics for optoelectronics -
Posted By: [email protected]
Created at: Thursday 17th of August 2017 07:58:51 AM
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Sir, I'm doing M.Tech in Opto electronics and Communication. For our 2nd semester there is a seminar and I would like to select a recent IEE seminar paper based on my subject took. Kindly send details of seminar papers based on the same to [email protected] ....etc

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Title: PHOTOTRANSISTOR A LEAP OF OPTOELECTRONICS
Page Link: PHOTOTRANSISTOR A LEAP OF OPTOELECTRONICS -
Posted By: ankur_suryavansh
Created at: Thursday 17th of August 2017 05:04:06 AM
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PHOTOTRANSISTOR A LEAP OF OPTOELECTRONICS

Like diodes, all transistors are light-sensitive. Phototransistors are designed specifically to take advantage of this fact .the most-common variant is an NPN bipolar transistor with an exposed base region. Here, light striking the base Replaces what would ordinarily be voltage applied to the base so, a photo- transistor amplifies variations in the light striking it. Phototransistors may or may not have a base lead . (if they do, the base lead allows us to bias the phototransistor's lig ....etc

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Title: PHOTOTRANSISTOR A LEAP OF OPTOELECTRONICS
Page Link: PHOTOTRANSISTOR A LEAP OF OPTOELECTRONICS -
Posted By: ankur_suryavansh
Created at: Thursday 17th of August 2017 05:04:06 AM
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PHOTOTRANSISTOR A LEAP OF OPTOELECTRONICS

Like diodes, all transistors are light-sensitive. Phototransistors are designed specifically to take advantage of this fact .the most-common variant is an NPN bipolar transistor with an exposed base region. Here, light striking the base Replaces what would ordinarily be voltage applied to the base so, a photo- transistor amplifies variations in the light striking it. Phototransistors may or may not have a base lead . (if they do, the base lead allows us to bias the phototransistor's lig ....etc

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Title: Petrogasoline purity tester
Page Link: Petrogasoline purity tester -
Posted By: kashif
Created at: Friday 06th of October 2017 02:46:24 PM
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CONTENTS

1. INTRODUCTION .. . 2
2. BLOCK DIAGRAM 4
3. BLOCK DESCRIPTION . ..5
4. THEORY & PRINCIPLE OF OPERATION . .6
5. CIRCUIT DIAGRAM .. . 8
6. CIRCUIT DESCRIPTION .. 9
7. HARDWARE DETAILS . .11
8. MICROCONTROLLER PROGRAM ..19
9. CONCLUSION ..
10. REFERENCES .


I. INTRODUCTION.



Recent years have witnessed dramatic progress in the design and development of fiber optic sensors as detection of chemical species is important in many industrial and chemical processes in addition to environ ....etc

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Title: construction and working of phototransistor
Page Link: construction and working of phototransistor -
Posted By: sreekuttanss
Created at: Thursday 17th of August 2017 05:02:05 AM
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to get information about the topic phototransistor related topic refer the page link bellow

http://seminarsprojects.net/Thread-phototransistor-a-leap-of-optoelectronics ....etc

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Title: optoelectronics
Page Link: optoelectronics -
Posted By: vitlesh
Created at: Thursday 17th of August 2017 06:47:08 AM
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hello sir,i am satish.i need a seminar report on opto-electronics.it is a combination of optics and electronics. ....etc

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Title: WIRELESS SWITCH
Page Link: WIRELESS SWITCH -
Posted By: sujith mu
Created at: Thursday 17th of August 2017 04:58:17 AM
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Normally, home appliances are controlled by means of switches, sensors, etc. However, physical contact with switches may be dangerous if there is any shorting. The circuit described here requires no physical contact for operating the appliance. You just need to move your hand between the infrared LED (IR LED1) and the phototransistor (T1). The infrared rays transmitted by IR LED1 is detected by the phototransistor to activate the hidden lock, flush system, hand dryer or else. This circuit is very stable and sensitive compared to other AC applia ....etc

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Title: WIRELESS SWITCH
Page Link: WIRELESS SWITCH -
Posted By: sujith mu
Created at: Thursday 17th of August 2017 04:58:17 AM
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Normally, home appliances are controlled by means of switches, sensors, etc. However, physical contact with switches may be dangerous if there is any shorting. The circuit described here requires no physical contact for operating the appliance. You just need to move your hand between the infrared LED (IR LED1) and the phototransistor (T1). The infrared rays transmitted by IR LED1 is detected by the phototransistor to activate the hidden lock, flush system, hand dryer or else. This circuit is very stable and sensitive compared to other AC applia ....etc

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Title: IR-BASED VOICE TRANSMITTER AND RECEIVER
Page Link: IR-BASED VOICE TRANSMITTER AND RECEIVER -
Posted By: anjalickd
Created at: Thursday 05th of October 2017 03:59:47 AM
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ABSTRACT

Using this circuit you can communicate with your neighbours wirelessly. Infrared signals are used as the carrier in the circuit. The infrared signals can transmit up to a distance of about 5 meters. The phototransistor of the receiver must be accurately oriented towards the IR beam. If there is any obstruction in the path of the IR beam, no sound will be heard from the receiver.
CHAPTER 1
INTRODUCTION:

IR-BASED VOICE TRANSMITTER AND RECEIVER, the aim of the project is to communicate wirelessly. In this project w ....etc

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Title: LASER TORCH BASED VOICE TRANSMITTER AND RECEIVER full report
Page Link: LASER TORCH BASED VOICE TRANSMITTER AND RECEIVER full report -
Posted By: cxe_killer
Created at: Thursday 17th of August 2017 06:52:00 AM
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LASER TORCH BASED VOICE TRANSMITTER AND RECEIVER
Using this circuit you can communicate with your neighbors wirelessly. Instead of RF signals, light from a laser torch is used as the carrier in the circuit. The laser torch can transmit light up to a distance of about 500 meters. The phototransistor of the receiver must be accurately oriented towards the laser beam from the torch. If there is any obstruction in the path of the laser beam, no sound will be heard from the receiver. The transmitter circuit (Fig. 1) comprises c ....etc

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Title: Optoisolator
Page Link: Optoisolator -
Posted By: extreme
Created at: Thursday 17th of August 2017 04:53:30 AM
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Matt Summer
Hernan Pena
Gustavo Toledo
Josh Summer


Outline
Thyristors/Triacs Matt
Diodes Hernan
Zener Diodes/Thermistors Gustavo
Photoresistors/Optoisolators Josh

Thyristors

Four layer devices
Class of semiconductor components
Wide range of devices, SCR (silicon controlled rectifier), SCS (silicon controlled switch), Diacs, Triacs, and Shockley diodes
Used in high power switching applications
i.e. hundreds of amps / thousands of watts

Triacs

The Tria ....etc

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Title: Petrogasoline purity tester
Page Link: Petrogasoline purity tester -
Posted By: kashif
Created at: Friday 06th of October 2017 02:46:24 PM
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CONTENTS

1. INTRODUCTION .. . 2
2. BLOCK DIAGRAM 4
3. BLOCK DESCRIPTION . ..5
4. THEORY & PRINCIPLE OF OPERATION . .6
5. CIRCUIT DIAGRAM .. . 8
6. CIRCUIT DESCRIPTION .. 9
7. HARDWARE DETAILS . .11
8. MICROCONTROLLER PROGRAM ..19
9. CONCLUSION ..
10. REFERENCES .


I. INTRODUCTION.



Recent years have witnessed dramatic progress in the design and development of fiber optic sensors as detection of chemical species is important in many industrial and chemical processes in addition to environ ....etc

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Title: Automatic meter reading AMR
Page Link: Automatic meter reading AMR -
Posted By: [email protected]
Created at: Thursday 05th of October 2017 04:31:56 AM
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Abstract:
Automatic meter reading, or AMR, is the technology of automatically collecting consumption, diagnostic, and status data from water meter or energy metering devices (water, gas, electric) and transferring that data to a central database for billing, troubleshooting, and analyzing This advance mainly saves utility providers the expense of periodic trips to each physical location to read a meter Another advantage is billing can be based on near real time consumption rather than on estimates based ....etc

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Title: PHOTOTRANSISTOR A LEAP OF OPTOELECTRONICS
Page Link: PHOTOTRANSISTOR A LEAP OF OPTOELECTRONICS -
Posted By: ankur_suryavansh
Created at: Thursday 17th of August 2017 05:04:06 AM
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PHOTOTRANSISTOR A LEAP OF OPTOELECTRONICS

Like diodes, all transistors are light-sensitive. Phototransistors are designed specifically to take advantage of this fact .the most-common variant is an NPN bipolar transistor with an exposed base region. Here, light striking the base Replaces what would ordinarily be voltage applied to the base so, a photo- transistor amplifies variations in the light striking it. Phototransistors may or may not have a base lead . (if they do, the base lead allows us to bias the phototransistor's lig ....etc

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