- quarter-wave filter
- четвертьволновый фильтр
Большой англо-русский и русско-английский словарь. 2001.
Большой англо-русский и русско-английский словарь. 2001.
Distributed element filter — Figure 1. A circuit featuring many of the f … Wikipedia
Polarizing filter (photography) — Circular polarizer/linear analyzer.[1] filtering unpolarized light and then circularly polarizing the result. The polarizing filter used with most mo … Wikipedia
Polarizer — For the photographic filter, see Polarizing filter (Photography). A polarizing filter cuts down the reflections (top) and made it possible to see the photographer through the glass at roughly Brewster s angle although reflections off the back… … Wikipedia
Transmission line — This article is about the radio frequency transmission line. For the power transmission line, see electric power transmission. In communications and electronic engineering, a transmission line is a specialized cable designed to carry alternating… … Wikipedia
Optical coating — Optically coated mirrors and lenses. An optical coating is one or more thin layers of material deposited on an optical component such as a lens or mirror, which alters the way in which the optic reflects and transmits light. One type of optical… … Wikipedia
Loudspeaker enclosure — A loudspeaker enclosure is a cabinet designed to transmit sound to the listener via mounted loudspeaker drive units. The major role of the enclosure is to prevent the out of phase sound waves from the rear of the speaker from combining with the… … Wikipedia
Surge protector — A surge protector is an appliance designed to protect electrical devices from voltage spikes. A surge protector attempts to regulate the voltage supplied to an electric device by either blocking or by shorting to ground voltages above a safe… … Wikipedia
Antenna (radio) — Whip antenna on car … Wikipedia
Impedance matching — In electronics, impedance matching is the practice of designing the input impedance of an electrical load (or the output impedance of its corresponding signal source) to maximize the power transfer and/or minimize reflections from the load.… … Wikipedia
George Ashley Campbell — Infobox Scientist name = George Ashley Campbell caption = birth date = birth date|1870|11|27 birth place = Hastings, Minnesota death date = death date and age|1954|11|10|1870|11|27 death place = residence = United States nationality =American… … Wikipedia
Loading coil — In electronics, a loading coil or load coil is a coil (inductor) that does not provide coupling to any other circuit, but is inserted in a circuit to increase its inductance. The need was discovered by Oliver Heaviside in studying the… … Wikipedia