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This paper presents a high performance THz imaging array using advanced CMOS technology. The single element of the 0.3 THz 4×4 45 nm CMOS imaging array is composed of a high-efficiency differential on-chip antenna meeting all metal-density rules, which is coupled to a differential detector and a low noise CMOS IF amplifier. The array results in an NEP of 100 pW/Hz1/2, a responsivity of 1.8–2.0 kV/W...
The concept is to use a grounded co-planar waveguide (GCPW) to enhance useful characteristics of a fractal antenna. In this case 9.54 dB return loss and input impedance bandwidths are increased. The specific candidate antennas are printed fractal monopoles such as the Penta-Gasket-Koch (PGK) antenna. These topical antennas are used to compare a coaxial fed system with GCPW-fed system. A PGK is applied...
Wearable antennas are best designed with a body perturbation in place and therefore need to be tuned on the body. However for a number of reasons humans are far from uniform in their tissue proportion. Fat, thin, tall and short are important however age, race and sex may also be important because of changes to the diffractive properties of the skins surface. The use of consistent human body phantoms...
In the design and synthesis of wearable antennas isolation distance from the body is a critical parameter. This paper deals with the comparison of perturbations caused to the matching of simple linear and circular polarized patch antennas due to the close proximity of a human torso and rectangular box and cylindrical phantoms filled with muscle simulating liquid at 1.8GHz. The isolated variable is...
In the design and synthesis of wearable antennas isolation distance from the body is a critical parameter. This paper deals with the comparison of perturbations caused to the matching of simple linear and circular polarized patch antennas due to the close proximity of a human torso and rectangular box phantom filled with muscle simulating liquid at 1.8GHz. The isolated variable is return loss (S11...
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