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Title:
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Thermal noise in a finite bandwidth
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Author:
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Vargas Drechsler, Manuel; Pallàs Areny, Ramon
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Other authors:
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Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. IEB - Instrumentació Electrònica i Biomèdica; Universitat Politècnica de Catalunya. GRUP ISI - Grup d'Instrumentació, Sensors i Interfícies |
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Abstract:
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In a practical circuit, the output noise due to the thermal noise of a resistor will depend on the actual transfer function of the noise source. The bandwidth will never be infinite because the transfer function of either the noise source or the device measuring the output noise will cause limitations. Consequently, the thermal noise voltage of a resistor in a finite bandwidth is maximum for a given resistor value. That maximum thermal noise voltage depends on the stop frequencies and decreases for both smaller and larger resistor values. |
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Abstract:
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Peer Reviewed |
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Subject(s):
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-Àrees temàtiques de la UPC::Enginyeria biomèdica::Electrònica biomèdica
-Electric resistors
-Circuit noise
-Linear networks analysis
-RC circuits
-Arbitrary resistor
-Thermal noise
-Finite bandwidth
-Maximum noise voltage
-Frequency limits
-Mean square noise voltage
-Transfer function
-Output noise
-Stop frequencies
-Resistors
-Resistors
-Xarxes -- Anàlisi |
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Rights:
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Document type:
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Article |
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Published by:
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IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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