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Title:
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On the common mode response of fully differential circuits
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Author:
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Gasulla Forner, Manuel; Casas Piedrafita, Óscar; 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. GRUP ISI - Grup d'Instrumentació, Sensors i Interfícies |
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Abstract:
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Differential circuits are often described by their differential gain and common mode rejection ratio (CMRR). This approach, however, neglects the effect that the common mode signal has on the transient response and stability of the circuit. This work shows that the actual behavior of differential circuits in front of common mode voltages is completely described by the common-to-differential mode gain and the common-mode gain. The CMRR is useful to assess common mode errors in the frequency domain, but some circuits that achieve a large CMRR have long transients or are unstable |
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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 de la telecomunicació::Processament del senyal::Processament del senyal en les telecomunicacions
-Àrees temàtiques de la UPC::Enginyeria electrònica::Circuits electrònics
-Differential amplifiers
-Communication Network analysis
-Signal processing
-Transients (Dynamics)
-CMRR
-Stability
-Differential circuits
-Common mode voltage
-Differential filters
-Transient response
-Amplificadors
-Circuits amplificadors
-Xarxes -- Anàlisi
-Processament del senyal |
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Rights:
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Document type:
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Conference Object |
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Published by:
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Institute of Electrical and Electronics Engineers
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