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In this paper, a new class of compact cavity-based three dimensional (3D) filters and enhanced-performance antennas is proposed for 60 GHz miniaturized front-ends for multilayer low-temperature co-fired ceramic (LTCC) V-band modules. The low-loss cavity resonator consisting of via fences as sidewalls has been designed to be used as a filter. The probe excitation is employed for the feeding structure...
In this paper, fully integrated filter and antenna functions are demonstrated as a system-on-package (SOP) compact front-end solution for the low-temperature cofired ceramic (LTCC) based V-band modules. The compact and easy-to-design integrated passive functions of filter and antenna have been hereby experimentally validated. A 4-pole quasi-elliptic band pass filter composed of four open loop resonators...
In this paper, an aperture-coupled patch antenna integrated with a soft surface and the stacked cavity has been demonstrated on LTCC multilayer technology. A higher gain (~ 7.6 dBi) is achieved by stacking the cavity underneath the soft surface, which is 2.4 dB improvement compared to the patch antenna with the soft surface. It is also confirmed that the back radiation is significantly reduced by...
In this letter, a linear tapered slot antenna (LTSA) which is backed by an air cavity is proposed and fabricated using low temperature cofired ceramic (LTCC) substrate. Traditionally, the high dielectric constant and the thick LTCC substrate seriously degrade the gain and radiation property performance because a large portion of the radiated fields are confined in the LTCC substrate. However, the...
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