narrow-band amplifier
111Optics — For the book by Sir Isaac Newton, see Opticks. Optical redirects here. For the musical artist, see Optical (artist). Optics includes study of dispersion of light. Optics is the branch of …
112optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …
113Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …
114Farmall tractor — The Farmall was the name of a tractor and later a brand name for tractors manufactured by International Harvester. The original Farmall was the first general purpose tractor with narrowly spaced front wheels. The tricycle front wheel design… …
115Fiber laser — A fiber laser or fibre laser is a laser in which the active gain medium is an optical fiber doped with rare earth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, and thulium. They are related to doped fiber amplifiers,… …
116Terry Adams (musician) — Terry Adams is an American pianist/composer and a founding member ofthe highly eclectic musical group NRBQ (New Rhythm and BluesQuintet/Quartet), known for its prolific and highly energized liveappearances, its charming sense of humor, and an… …
117Technology of television — The technology of television has changed since its early days using a mechanical system invented by Paul Gottlieb Nipkow in 1884.Elements of a television system , 1957 1. power switch / volume 2. brightness 3. pitch 4. vertical synchro 5.… …
118Heavy Metal (musique) — Pour les articles homonymes, voir Heavy metal. Heavy metal Origines stylistiques Blues rock …
119Heavy metal (musique) — Pour les articles homonymes, voir Heavy metal. Heavy metal Origines stylistiques Blues rock Hard rock Rock psychédélique Origines culturelles …
120Histoire du Metal — Heavy metal (musique) Pour les articles homonymes, voir Heavy metal. Heavy metal Origines stylistiques Blues rock …
