series resonance circuit
121C. F. Martin & Company — The Martin logo. C.F. Martin Company is a US guitar manufacturer established in 1833 by Christian Frederick Martin. Martin is highly regarded for its steel string guitars, and is a leading mass manufacturer of flattop acoustics with models that… …
122Maya Angelou — Maya Angelou, 1993 Born Marguerite Ann Johnson April 4, 1928 …
123Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… …
124UNITED STATES OF AMERICA — UNITED STATES OF AMERICA, country in N. America. This article is arranged according to the following outline: introduction Colonial Era, 1654–1776 Early National Period, 1776–1820 German Jewish Period, 1820–1880 East European Jewish Period,… …
125Digital filter — A general finite impulse response filter with n stages, each with an independent delay, di, and amplification gain, ai. In electronics, computer science and mathematics, a digital filter is a system that performs mathematical operations on a… …
126Pendulum — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance …
127Eddie Van Halen — Infobox Musical artist Name = Eddie Van Halen Img capt = Eddie Van Halen at the 1993 Emmy Awards. Img size = Landscape = Background = non vocal instrumentalist Birth name = Edward Lodewijk Van Halen Alias = Born = Birth date and… …
128Atmospheric electricity — is the regular diurnal variations of the Earth s atmospheric electromagnetic network (or, more broadly, any planet s electrical system in its layer of gases). The Earth’s surface, the ionosphere, and the atmosphere is known as the global… …
