CIRCUIT IDEAS ELECTRONIC WATCHDOG TAPAN KUMAR MAHARANA I VED DWI S.C. H ere’s an electronic watchdog for your house that sounds to inform you that somebody is at the gate. The circuit comprises a transmitter unit and a receiver unit‚ which are mounted face to face on the opposite Fig. 4: Mounting arrangement for transmitter and receiver units Fig. 1: 38kHz IR transmitter circuit Fig. 3: Pin configurations of TSOP1738 and UM66 Fig. 2: Receiver circuit pillars of the
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E&M sector enjoys direct interaction with people and hence‚ it has great power to influence people’s mind. Often the industry remains the driving force in building public opinion and determining its trends. Like the other countries of the world‚ the media industry also plays a very crucial role in India. The media and entertainment industry has come a long way to grow into a modern sector in the country. The large Indian population has work as a stimulant for the growth of the Indian media industry
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BASIC DIODE ELECTRONICS INTRODUCTION TO DIODES The p-n Junction The p-n junction is a homojunction between a p-type and an n-type semiconductor. It acts as a diode‚ which can serve in electronics as a rectifier‚ logic gate‚ voltage regulator (Zener diode)‚ switching or tuner (varactor diode); and in optoelectronics as a light-emitting diode (LED)‚ laser diode‚ photodetector‚ or solar cell. In a relatively simplified view of semiconductor materials‚ we can envision a semiconductor as having two
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Topic 12 ATOMIC STRUCTURE: Electronic configuration 12. 1. Ionization energy If an electron obtains enough energy it jumps beyond the highest energy level and becomes a free electron: the atom itself becomes a positive ion. This electron transition is represented as follows: n = 1 to n = (. Notation n = ( refers to the “world” outside the atom – beyond the control of the nucleus; any electron outside an atom has no potential energy (energy = 0). With hydrogen the ionization energy can be
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ELECTRONIC MEDIA Electronic media are media that use electronics or electromechanical energy for the end user (audience) to access the content. This is in contrast to static media (mainly print media)‚ which are most often created electronically‚ but don ’t require electronics to be accessed by the end user in the printed form. The primary electronic media sources familiar to the general public are better known as video recordings‚ audio recordings‚ multimedia presentations‚ slide presentations
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1.0 INTRODUCTION AND OVERVIEW OF ELECTRONIC BANKING In the era of globalization and modernization‚ the global economic growth has an enormous impacts in terms of technology subsequently it leads to the development of the digital economy. Typically‚ customers are increasingly demanding more value at least cost and as quickly as quickly as possible. Therefore‚ in 1981‚ electronic banking (e-banking) in Malaysia was began which the existence of ATM then followed by phone banking in 1990. After that
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Professor Kraft English 102 March 18‚ 2013 The tobacco industry has been around longer than America has been a country. It is one the biggest industries in the entire world right now. However‚ according to the article on CQ researcher by Mary H Cooper‚ smoking has been declining. This started happening in the 1960 ’s when the surgeon general issued the first link to lung cancer and smoking. Nonetheless‚ even after this warning‚ about 23 percent of adults in America smoke cigarettes (Cooper)
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Control Electronics: Devices‚ Systems‚ and Applications 3rd edition Terry L.M. Bartelt Australia • Canada • Mexico • Singapore • Spain • United Kingdom • United States Experiment 1 Operational Amplifiers Experiment Questions 1. analog 2. linear 3. greater 4. 6‚ – 5. -5V INPUTS V1 +4 +2 +1 +4 0 +3 V2 +1 +3 0 +4 +1 +2 VOUT (V) -5V +5V -5V 0V +5V -5V VIN +0.2V –0.4V 0V +0.32V VOUT -1V +2V 0V -1.6V VIN VOUT +0.3V -0.75V –0.15V +0.38V +5V –2.0V -1V +0.4V Figure 1-2 b
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Petrie’s Electronics Case‚ Chapter 5‚ Questions 1‚ 3‚ and 5. 1. What do you think are the sources of the information Jim and his team collected? How do you think they collected all of that information? Jim collected informations by having interviews inside the company with stakeholders. He also worked with the marketing department to get some information from loyal customers. Jim and his team gathered some information about the current system. 3. If you were looking for alternative approaches
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INTRODUCTION Electronic Media Electronic media are that utilize electronics or electromechanical energy for the end user (audience) to access the content. This is in contrast to static media (mainly print media)‚ which are most often created electronically‚ but don’t require electronics to be accessed by the end user in the printed form. The primary electronic media sources familiar to the general public are better known as video recordings‚ audio recordings‚ multimedia presentations‚ slide
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