A Defected Microstrip Structure (DMS)-Based Phase Shifter and Its Application to Beamforming Antennas

In this paper, a beam-steering antenna array that employs a new type of reconfigurable phase shifter is presented. The phase shifter consists of a number of cascaded reconfigurable defected microstrip structure (DMS) units. Each DMS unit is made by etching a slot in a microstrip line and loading the slot with PIN diodes. The “on” and “off” states of the PIN… CONTINUE READING

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