negative reactance
61Loudspeaker — For other uses, see Loudspeaker (disambiguation). An inexpensive, low fidelity 3½ inch speaker, typically found in small radios …
62List of dynamical systems and differential equations topics — This is a list of dynamical system and differential equation topics, by Wikipedia page. See also list of partial differential equation topics, list of equations. Contents 1 Dynamical systems, in general 2 Abstract dynamical systems 3 …
63Voltage divider — In electronics, a voltage divider (also known as a potential divider) is a simple linear circuit that produces an output voltage ( V out) that is a fraction of its input voltage ( V in). Voltage division refers to the partitioning of a voltage… …
64Detector (radio) — Passband modulation v · d · e Analog modulation AM · …
65Electronic filter topology — An elementary filter topology introduces a capacitor into the feedback path of an op amp to achieve an unbalanced active implementation of a low pass transfer function Electronic filter topology defines electronic filter circuits without taking… …
66Impuissance apprise — Test de laboratoire sur l apprentissage des animaux : un rat nageant dans un labyrinthe. L impuissance apprise (ou résignation acquise) est un terme désignant une condition dans laquelle un individu ou un animal a fait l expérience d un… …
