Widening Frequency Envelope of an Antenna-Amplifier System With Coupling Structure
TL;DR
Controlled coupling in antenna-amplifier systems, traditionally avoided, can increase the operation frequency envelope by up to 36%. A coupling circuit allows study without modifying amplifiers or antennas.
Widening Frequency Envelope of an Antenna-Amplifier System With Coupling Structure
Jaanus Kalde; Anu Lehtovuori; Alvo Aabloo; Ville Viikari
https://doi.org/10.1109/ACCESS.2024.3520225
Volume 13
Although large coupling is traditionally avoided in antenna arrays, we show that coupling might offer an advantage. We present a coupling circuit enabling the study of coupling effects in a dipole antenna system without modifying amplifiers or radiating structures. Our experiments demonstrate that controlled coupling can significantly increase, even by 36%, the operation frequency envelope of the ...