periodic antenna

periodic antenna

[¦pir·ē¦äd·ik an′ten·ə]
(electromagnetism)
An antenna in which the input impedance varies as the frequency is altered.
References in periodicals archive ?
NASDAQ: PCTI), a leader in antenna and scanning receiver solutions, announced today the release of the PCTEL Bluewave(TM) high-performance log periodic antenna with full coverage of the 136-174MHz VHF frequency band for use with wideband radio technology.
The antenna system is modern and includes a 15 element rotatable log periodic antenna.
Patent and Trademark Office that the patent for its Microstrip Fed Log Periodic Antenna application will be granted on April 26, 2005, with Patent No.
To keep costs to a minimum Arqiva s decision was to use Log Periodic antennas, where possible.
The revolutionary IAS television antenna which is 14 inches in diameter and only 2 inches high can replace existing outside log periodic antennas and has the capability of receiving local television stations within a 60-mile radius.
Kaltman Creations LLC is known primarily for its line of affordable RF Spectrum Analyzers and LOG Periodic antennas.

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