Observing Beyond our Senses: Inquiry Drives Technology Lesson 4 – Signal & Noise.

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Presentation transcript:

Observing Beyond our Senses: Inquiry Drives Technology Lesson 4 – Signal & Noise

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Thermal Noise in Electronics Random variations in current or voltage caused by the random movement of the electrons carrying the current as they are jolted around by thermal energy. Intended Signal “Noisy” Electronic Device