Anzeige
Erschienen in:
01.09.2013
Improved \(Q\)-Factor Calculations for Single Port Filter-Antenna Measurement
Erschienen in: Wireless Personal Communications | Ausgabe 2/2013
EinloggenAktivieren Sie unsere intelligente Suche, um passende Fachinhalte oder Patente zu finden.
Wählen Sie Textabschnitte aus um mit Künstlicher Intelligenz passenden Patente zu finden. powered by
Markieren Sie Textabschnitte, um KI-gestützt weitere passende Inhalte zu finden. powered by
Abstract
These days most of the research work in the area of filter-antenna design is focused on having high quality factor for certain frequency band. These type of filter-antennas are difficult to design as the design engineers are required to have low quality factor for the radiating band of frequency. Hence a precise value of \(Q\)-factor is required to understand the radiating and filtering properties of filter-antennas. Filter-antennas are single port devices as the second port is considered as radiating port. Return loss is used, in order to yield \(Q\)-factor through calculations for such devices. However, the conventional method for calculating \(Q\)-factor found to be inaccurate in most of the low \(Q\)-factor cases. This paper proposes a method that out performs the conventional method of calculating \(Q\)-factor. Non-ideal fabrication process is also discussed for accurate evaluation of \(Q\)-factor. Experimental results show that proposed method can be employed to calculate \(Q\)-factor with reasonable accuracy for simulated and measured results.