Invention Grant
US08686912B2 450 MHz folded dipole antenna 有权
450 MHz折叠偶极天线

450 MHz folded dipole antenna
Abstract:
A folded dipole antenna capable of transmitting and receiving signals from CDMA 450 system comprises a folded dipole Printed Circuit Board (PCB) having conducting strips on each side of the PCB forming excitation and grounding arms of the antenna, having a symmetric conducting strip configuration. The conducting strip on each side of the PCB includes an m-shaped conducting strip having a center conducting leg, and two symmetrically configured folded arms. The center conducting leg is thinner in width than the two folded arms. The PCB is placed is mounted perpendicularly to a base plate through a plastic holder. A coaxial cable having a center core extended through the folded dipole PCB connects with the excitation arm and with a metal shield soldered along the center conducting leg of the ground arm.
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