coupling power
61Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …
62Diesel locomotive — Three styles of diesel locomotive body: cab unit, hood unit and box cab. These locomotives are operated by Pacific National in Australia …
63Haldex Traction — AB is a division of the Swedish manufacturing company Haldex AB. It specialises in the development and manufacture of All Wheel Drive systems. Haldex is currently producing their fourth generation AWD system called, by saab, XWD (Cross Wheel… …
64Output transformerless — (OTL) is a term which describes a subset of vacuum tube audio power amplifier topologies, all of which omit an output transformer for the purpose of greater linearity and fidelity. Conventional vacuum tube amplifier designs rely upon an output… …
65Output TransformerLess — (audio amplifier) = In the larger scope of vacuum tube audio amplifiers Output TransformerLess (OTL) describes a specific subset of audio power amplifier topologies, all of which have a single common attribute: unlike conventional vacuum tube… …
66Electric car — An electric car is a type of alternative fuel car that utilizes electric motors and motor controllers instead of an internal combustion engine (ICE). The electric power is usually derived from battery packs in the vehicle.In general terms an… …
67electronics — /i lek tron iks, ee lek /, n. (used with a sing. v.) the science dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors. [1905 10; see ELECTRONIC,… …
68Hydramatic — (also known as Hydra Matic) was an automatic transmission developed by both General Motors s Cadillac and Oldsmobile divisions. Introduced for the 1940 model year, the Hydramatic was the first fully automatic mass produced transmission developed… …
69Invention of radio — Great Radio Controversy redirects here. For the album by the band Tesla, see The Great Radio Controversy. Contents 1 Physics of wireless signalling 2 Theory of electromagnetism …
70Near and far field — This article is about the electromagnetic concept. For the mathematical, see Near field (mathematics). Antenna field regions for antennas that are shorter than the wavelength of the radiation they emit, such as the whip antenna of a citizen s… …
