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						Operational Amplifier Basics: Working Principle and ...
						https://www.utmel.com/blog/categories/amplifiers/operational-amplifier-basics-working-principle-and-amplifier-circuit#:~:text=Generally%2C%20operational%20amplifiers%20can%20be%20simply%20regarded%20as,used%20to%20make%20in-phase%2C%20anti-phase%2C%20and%20differential%20amplifiers.
						
						 
						
						
						
						Audio Op Amp | Overview | Operational Amplifiers | TI.com
						https://www.ti.com/amplifier-circuit/op-amps/audio/overview.html
						
						 
						
						
						
						Simple Audio Amplifier : 5 Steps - Instructables
						https://www.instructables.com/Simple-audio-amplifier/
						
						 
						
						
						
						10 Watt Audio Amplifier Circuit Diagram using Op-Amp …
						https://circuitdigest.com/electronic-circuits/10-watt-audio-amplifier-circuit-diagram-using-op-amp-and-power-transistors
						
						 
						
						
						
						Introduction to Operational Amplifiers with LTSpice ...
						https://learn.sparkfun.com/tutorials/introduction-to-operational-amplifiers-with-ltspice/all
						
						 
						
						
						
						Audio Designs With Opamps
						https://sound-au.com/dwopa.htm
						When an opamp is operated in its linear mode (which is most of the time for audio and most other amplification circuits), the negative feedback circuit will cause a voltage to appear on the inverting input (-in) that is ( almost) exactly equal to that present on the non-inverting input (+in).
						 
						
						
						
						OPERATIONAL AMPLIFIERS: Basic Circuits and Applications
						https://people.engr.tamu.edu/s-sanchez/ECEN%20457%20Lect%201.pdf
						Op Amp Fundamentals The Operational Amplifier : •Op Amp is a voltage amplifier with extremely high gain (741, Gain: 200,000 (V/V), Op-77, Gain: 12 (V/uV ) • r d, a, r o are open-loop parameters • v P: Non-inverting v N: Inverting • v 0 = a. v D = a (v P –v N) The Ideal Op Amp: •The virtual input short does not draw any current •For voltage purposes:
						 
						
						
						
						Operational Amplifier Basics: Working Principle and ...
						https://www.utmel.com/blog/categories/amplifiers/operational-amplifier-basics-working-principle-and-amplifier-circuit
						
						 
						
						
						
						Audio Amplifier Circuit - UC Santa Barbara
						https://web.ece.ucsb.edu/Faculty/rodwell/Classes/ece2c/labs/Lab%201a%20-%202C%202007.pdf
						
						 
						
						
						
						CIRCUITS LABORATORY EXPERIMENT 9 Operational Amplifiers
						https://classes.engineering.wustl.edu/jee2330/Exp09.pdf
						Operational Amplifiers 9.1 INTRODUCTION An operational amplifier ("op amp") is a direct-coupled, differential-input, high-gain voltage amplifier, usually packaged in the form of a small integrated circuit. The term "operational" dates back to …
						 
						
						
						
						Final Project Report Stereo Audio Amplifier
						https://www.seas.gwu.edu/~ece20/spring01/benfinalreport.pdf
						
						 
						
						
							
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