Abstract
The lower bound on quality factor (Q) is a well known performance limit of electrically small, single TM or TE mode antennas that exhibit a single impedance resonance within their operating bandwidth. Since Q and matched VSWR bandwidth are inversely related, the lower bound on Q implies that there exists a corresponding upper bound on achievable matched VSWR bandwidth. Here, we examine the relationship between Q, the lower bound on Q and matched VSWR bandwidth for a reasonably small antenna that is designed to exhibit multiple resonances within a wide operating bandwidth. We show that the Q of the wideband antenna does not violate the lower bound, even though the matched VSWR bandwidth encompasses a range of frequencies containing multiple resonances and antiresonances.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
