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Based on stepped impedance resonator (SIR) and open stub loaded resonator structure, An ultra-wideband(UWB) bandpass filter is presented in this paper. A interdigital coupledline with four open stubs at the end has been used to control parasitic passband, which can ensure the frequencies of parasitic passband be away from the frequencies of ultra-wideband frequency. An X-slot is created to improve...
In this paper, a compact S-band microstrip triple-mode bandpass filters with good out-of-band rejection performance is presented. The proposed triple-mode filter supports three transmission poles and two transmission zeros and it is designed by the half-wavelength microstrip line. The filter is composed of two T-shape resonators, which control out-of-band transmission zero position. For saving design...
Based on stepped impedance resonator (SIR) and open stub loaded resonator structure, An ultra-wideband(UWB) bandpass filter is presented in this paper. A interdigital coupledline with four open stubs at the end has been used to control parasitic passband, which can ensure the frequencies of parasitic passband be away from the frequencies of ultra-wideband frequency. An X-slot is created to improve...
In this paper, a compact S-band microstrip triple-mode bandpass filters with good out-of-band rejection performance is presented. The proposed triple-mode filter supports three transmission poles and two transmission zeros and it is designed by the half-wavelength microstrip line. The filter is composed of two T-shape resonators, which control out-of-band transmission zero position. For saving design...
A microfluidic device for single mouse embryo manipulation was fabricated and the impedance spectroscopy of the positioned embryo was detected by the electrodes in the microchannel. Experiment results showed that the impedance of embryo varies when it is at different stage. Also, healthy embryos and development-blocked embryos showed different impedance spectroscopy. Compared with the traditional...
A fully metallic ink-jet printed passive chipless RFID tag on paper substrate is presented. The tag consists of an ultra-wide-band antenna, a microstrip transmission line with distributed shunt capacitors as information coding element which is reconfigurable by ink-jet printing process. Tapered microstrip line is employed to overcome the limitations of low conductivity and thin film thickness of ink-jet...
This work is focused on frequency domain electrical characterization of ink-jet printed coplanar waveguides (CPWs). The waveguides were designed and printed using conductive nanosilver ink at room temperature and sintered at 300degC. Distributed models, dependent on frequency, have been developed and some relevent parameters such as impedance, attenuation, are derived over frequency band from 30 kHz...
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