Transcription of CHAPTER 8: NOISE AND NOISE REDUCTION …
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CHAPTER 8: NOISE AND NOISE REDUCTION …
EE 323 - NOISE 16 146 CHAPTER 8: NOISE AND NOISE REDUCTION TECHNIQUES 1. NOISE SOURCES NOISE can be characterized as any disturbance that tends to obscure a desired signal. NOISE can be generated within a circuit or picked up from external natural or artificial sources. When NOISE is generated within a circuit, it is called intrinsic NOISE . When NOISE is picked up from an external source, it is called extrinsic NOISE Interference is NOISE that tends to obscure the useful signal. It is usually caused by electrical sources but can be induced from other physical sources such as mechanical vibration, acoustical feedback, or electrochemical sources.
ee 323 - noise 16 146 chapter 8: noise and noise reduction techniques 1. noise sources
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