FEEDBACK AMPLIFIER FEED BACK: The process of applying a fraction of output energy of some device back to the input is known as feedback. FEEDBACK AMPLIFIER: The amplifier using feed back process is called feedback amplifier. TYPES OF FEEDBACK AMPLIFIER: There are two types of feedback amplifier: a)Positive feedback amplifier b)Negative feedback amplifier POSITIVE FEEDBACK AMPLIFIER: >The amplifier in which feedback energy is applied in the same polarity or in same phase is called
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Common Emitter Amplifier Bagos‚ Elyza Pangilinan‚ John Oliver Ateneo de Manila Loyola Heights‚ Quezon City Abstract – This experiment shows the practicality and behavior of a Common Emitter Amplifier circuit through the analysis of its varying input and output signals. I. INTRODUCTION The common emitter amplifier circuit makes use of a voltage divider circuit as seen in previous lessons on DC analysis. However‚ for the small signal analysis portion for this circuit‚ the objective is
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University- Bangladesh Department of Electrical and Electronic Engineering EEE2210: Analog Electronics 1 Laboratory Title: Study of Integrator and Differentiator. Introduction: By introducing electrical reactance into the feedback loops of op-amp amplifier circuits‚ we can cause the output to respond to changes in the input voltage over time. Drawing their names from their respective calculus functions‚ the integrator produces a voltage output proportional to the product of the input voltage and
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EXPERIMENT # 1 BJT COMMON EMITTER AMPLIFIER ‘Q’ POINT DC CURRENTS & VOLTAGES LOAD LINES VOLTAGE GAIN MARKS Pre Lab DC I&V 5 βDC 1 5 DC load line 3 re 1 Av 3 D 4 C 3 Total 25 NAME PROGRAMME MATRIK # DATE 1 Electronic Analog 1 (EMT 112) Semester II 2009/2010 Exp . 1 EXPERIMENT 1 BJT Common Emitter Amplifier 1. OBJECTIVE: 1.1 DC OPERATIONAL EFFECTS The experimental objectives are to: i) Compare the amplifier theoretical and practical DC operational
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EE1 Laboratory Report: Operational Amplifier Applications Introduction Operational amplifiers (“op-amp”) are high gain electronic voltage amplifiers‚ which are the significant building blocks for most electronic circuits. In addition to this‚ they are still the most widely used microelectronic devices nowadays‚ being used in vast applications for industrial and individual users. The aim of this experiment is to demonstrate how the operational amplifier operates and show its imperfections via
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5. Operational Amplifiers Introduction In many electronic circuits‚ the signals (voltage differences) that are generated and manipulated are very small. Therefore‚ amplification is often essential. When playing a CD for instance‚ the signals generated in the CD player are quite small and will not adequately drive a speaker system. The signals from the CD player are therefore passed into the stereo amplifier (which often comes as a tuner/amplifier combination in modern home stereo systems)
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LMELE102 & 152 Unified Electrical Science LABORATORY MANUAL ELE102 ELECTRICAL SCIENCE-II 1|Page LMELE102 & 152 Unified Electrical Science Table of Contents S.no. Experiment Name Page no. 1 Inverting and non-inverting amplifiers using IC741. Opamp as summer‚ integrator and Diffrentiator. 3 2 Counter Design using Flip Flops. 8 3 Use of CRO‚ Function generator and power supply. 12 4 Realization of MUX and DEMUX. 17 5 Active Filter Design
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Gain Equalization of Erbium Doped Fibre Amplifiers with Tuneable Long-Period Gratings Thabiso J. Nhlapo‚ Pieter L. Swart‚ and Anatoli A. Chtcherbakov Centre for Optical Communications and Sensors Faculty of Engineering‚ Rand Afrikaans University PO Box 524‚ Auckland Park 2006‚ South Africa Abstract-This paper presents an adaptive gain equalization technique of the gain spectrum for an Erbium Doped Fibre Amplifier (EDFA) by using a tuneable Long-Period Grating ) (LPG). The gain spectrum of an EDFA
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02XXX-WTP-001-A March 28‚ 2003 NRZ Bandwidth (-3db HF Cutoff vs SNR) How Much Bandwidth is Enough? White Paper Introduction A number of customer-initiated questions have arisen over the determination of the optimum bandwidth for any transimpedance amplifier and subsequent filter employed in a fiber optic receiver module using NRZ coding. When asked what the optimum bandwidth for such a system‚ most engineers will respond with a number between 0.7 and 0.75 times the NRZ bitrate. The real answer is: It
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carefully examined the characteristics of the LDR and developed a truly unique process to control it. This process we call the Differential Drive Side Chain topology (DDSC). What is an Optical Compressor? Compressors and limiters are specialized amplifiers used to reduce dynamic range--the span between the softest and loudest sounds. All sound sources have different dynamic ranges or peak-to-average proportions. An alto flute produces a tone with only about a 3dB difference between the peak level
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