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On the common mode response of fully differential circuits
Gasulla Forner, Manuel; Casas Piedrafita, Óscar; Pallàs Areny, Ramon
Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica; Universitat Politècnica de Catalunya. GRUP ISI - Grup d´Instrumentació, sensors i interfícies
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
Peer Reviewed
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)
Differential circuits
Common mode voltage
Differential filters
Transient response
Circuits amplificadors
Xarxes -- Anàlisi
Processament del senyal
Institute of Electrical and Electronics Engineers

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