Waveguide slot antenna with integrated filter

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US2914766A - Three conductor planar antenna - Google Patents

Dielectric waveguide slot antenna with integrated filter for automotive UWB radar applications Because the antenna is based on rectangular waveguide structure, it can be easily integrated with a high-Q filter. The prototype of the integrated antenna and filter with area of 50times30 mm 2 exhibits half-power beamwidth of 54.7deg in the horizontal and 16.2deg in the vertical, respectively, as well as the sharp bandpass characteristics of ... Integrated waveguide slot antennas | Request PDF The device uses the folded waveguide developed in [7], [8] to produce a smaller slot waveguide antenna than the standard substrate integrated waveguide [4]. In addition, a wider slot has been ...

Waveguide fed slot array antenna has emerged as a popular candidate in radar applications, remote sensing, navigation and many other high frequency communication applications [1]. Because of the integration of the feed system and radiating elements they are low loss, exhibiting high values of radiation efficiency. They radiate linear polarization with reduced cross-polarization. The basic radiation mechanism for such antennas is very simple: a hole appropriately cut in the wall of a ...

Slot Antenna - an overview | ScienceDirect Topics The slot antenna, consisting of a narrow slit in a ground plane, is a very versatile antenna. With modification, it is amenable to waveguide, coplanar waveguide (CPW), coaxial, slot line, or microstrip feeding schemes and has been used in all aspects of wireless and radar applications. Design of Compact Coplanar Waveguide Fed Slot Antenna for ... Inductive fed Coplanar Waveguide slot antenna structure is shown in figure 3. Fig. 3 Inductive Fed CPW slot Antenna (From Reference [2] ) First, the dimensions of the antenna by simulation with the aid of IE3D electromagnetic software were studied and then adjusted them by experiment. The dimension of the slot antenna is

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PARAMETRIC STUDY OF WAVEGUIDE SLOTS AND ANALYSIS OF RADIATION ... controlling slot excitation, by adjusting the slot oﬀset from the center line of the waveguide. Prior to the design of an array it is required to determine the resonant slot length, equivalent circuit and variation of the circuit parameters with the change in oﬀset values. S-parameters of the slotted waveguide are computed for this purpose. 2.

A received signal is introduced through antenna horn 82 of antenna 12 through orthomode transducer 48 and transducer filter 50 to waveguide 51 and is received by microstrip 94 on millimeter wave circuit board 78, which projects into cavity …

Integrated waveguide slot antenna and cavity filter using hollow SIW in ... Abstract: A hollow substrate integrated waveguide (HSIW) is proposed to realize low-loss millimetre-wave (mm-wave) transmission lines. A 38 GHz waveguide slot antenna integrated with a cavity bandpass filter is fabricated in LTCC to demonstrate the HSIW potential. Filter Antenna Module using Substrate Integrated Waveguide Substrate Integrated Waveguide bandpass filters and rectangular microstrip patch antenna separately and combined both filter and antenna in single module with the help of 50Ω microstrip line. Comparative study and analysis of Integrated Filter-Antenna have been carried out in this paper. Waveguide can be used to design high frequency components but requires complex transitions to integrate planar circuits. Several studies of transitions between microstrip line and rectangular waveguide have ... SIW Based Slot Antenna In X-Band Using Rogers/RT duroid 5880 As Substrate Results and discussion . The proposed SIW slot Antenna resonates at 11.8 GHz. Return loss (S11) at 11.8 GHz is -17.74dB. Bandwidth around 11.8 GHz is 342.7 MHz which is about 2.9 % of centre frequency. Design of Substrate Integrated Waveguide Multi-band Slots Array Antennas

controlling slot excitation, by adjusting the slot oﬀset from the center line of the waveguide. Prior to the design of an array it is required to determine the resonant slot length, equivalent circuit and variation of the circuit parameters with the change in oﬀset values. S-parameters of the slotted waveguide are computed for this purpose. 2.

Dual-Band Antennas Research Papers - Academia.edu A novel dual-band waveguide slot array antenna with low cross-polarisation is proposed. The main structure of the proposed antenna consists of two waveguides in which the top broad wall of the smaller waveguide, a WR-28 Ka-band waveguide, is … Projekt - Mikrovlnné technologie pro perspektivní kmitočtová… Dufek, I.; Pokorný, M. Digitally Tunable Input Filter Unit for LTE Bands. In Proceedinfs of LAPC 2013. Radioengineering - September 2015, Volume 24, Number 3 [DOI: 10…