This paper presents a π-structure for RF MEMS switch based on numerical experimentation using 3D EM simulator. It has very low insertion and return losses in the ON-state and very high isolation in the OFF-state, over a wide bandwidth. It exhibits a minimum isolation of 50 dB, in the frequency range from dc to 50 GHz, and of 30 dB in the frequency range from 50 to 60 GHz. The insertion loss ran...

In this paper a new design for 6 bit DMTL phase shifter with only 32 MEMS switches is proposed. The reduction in number of switches in ordinary 6 bit phase shifter from 63 to 32 is due to combination of one 5.625 degree for least significant bit and 11.25 degree for the rest of the switches. Decreasing the number of the switches reduces the die-size as well as loss of the CPW line. Analytical s...

This work reports on the fabrication process and measurements of a novel radio frequency microelectromechanical system (RF MEMS) capacitive shunt switch prototype with a mechanically unconstrained armature. The prototype is fabricated in a low cost process based on a printed circuit board (PCB) bonded to a glass slide. The minimum actuation voltage (Vact) of the prototype is 93V, with a switchi...

This article presents design and fabrication methodology of Ku Band (linearly polarized) reconfigurable patch antenna. Both bulk and surface micromaching techniques are implemented on patch to have better RF performances. Reconfigurability is implemented by integrating shunt capacitive switch with microstrip patch antenna. Effect of feed mechanisms and role of micromachining on antenna paramete...

RF MEMS capacitive switches show great potential for use in wireless communication device. However, their widespread insertion in commercial products requires further improvements in their longterm reliability. Dielectric charging is one of the factors that impact switch reliability. Dielectric charging is understood to mean the accumulation of electric charge in the insulating dielectric layer...

This paper proposes a novel nine switch converter based integrated power conditioner in place of conventional twelve switch converter based power conditioner for improving power quality. Space vector modulation scheme is proposed for producing gating signals for nine switch converter. In the proposed integrated power conditioner the nine-switch converter replaces shunt and series converters fou...