antenna matching

antenna matching

[an′ten·ə ‚mach·iŋ]
(electromagnetism)
Process of adjusting impedances so that the impedance of an antenna equals the characteristic impedance of its transmission line.
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References in periodicals archive ?
The RF front end solution includes the industry's first envelope power tracker for 3G/4G LTE mobile devices, a dynamic antenna matching tuner, an integrated power amplifier-antenna switch, and an innovative 3D-RF packaging solution incorporating key front end components.
Two of the world s top five handset manufacturers have already chosen this technology for antenna matching in their current handsets.
Fortunately, modern HF equipment such as the AN/PRC-150 are equipped with a very effective antenna matching unit that is quite capable of providing acceptable antenna electrical impedance matching even to very short antennas.
The dielectric loading has two significant effects: first, it reduces the size of the antenna and second, it improves the antenna matching bandwidth significantly.
AVX demoed and displayed several impressive products, including power film capacitors, fail-safe capacitors, interconnect solutions, and antenna matching filters that are currently being adopted by manufacturers of traditional and hybrid/electric vehicles, military/aerospace equipment, consumer electronics and many other devices.
The FSH Series spectrum analyzer also measures antenna matching, tests power amplifiers using full 2-port vector network analysis, and provides for a number of RF power measurement modes.
He covers antenna matching, external and internal antennas, antenna measurement, and regulations related to antenna engineers.
AVX Corporation, a leading manufacturer of advanced passive components and interconnect solutions, has expanded its thin-film Accu-P([R]) Series capacitors to provide ultra-tight capacitance tolerance versions ideal for antenna matching in cellular handsets.
The transmit module, which is designed for use as the final portion of transmit sections in GSM900/DCS1800 handsets, minimizes the requirement for PA-to- antenna matching.
The adaptivity of the antenna is based on a dynamic antenna matching (DAM) circuit with switchable antenna design that enables the antenna to change resonant frequency and input impedance to compensate effectively for the finger/hand effect, offering flexibility in positioning for the designer of the device.
The chip requires just three external components, excluding antenna matching, allowing device manufacturers to use board space savings to increase battery size and support advanced functionality while lowering overall system BoM (bill of material) cost.

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