A 16-Element Fully Integrated 28GHz Digital Beamformer with In-Package 4×4 Patch Antenna Array and 64 Continuous-Time Band-Pass Delta-Sigma Sub-ADCs

2020 ◽  
Author(s):  
Rundao Lu ◽  
Christine Weston ◽  
Daniel Weyer ◽  
Fred Buhler ◽  
Michael P. Flynn
Keyword(s):  
Antenna Array ◽  
Continuous Time ◽  
Patch Antenna ◽  
Fully Integrated ◽  
Delta Sigma ◽  
Band Pass ◽  
Time Band

scholarly journals Design and Development of Filtering Antenna for S-Band Applications with High out-of-band Rejection

2019 ◽  
Vol 9 (1S) ◽  
pp. 180-187
Keyword(s):  
Antenna Array ◽  
Patch Antenna ◽  
Equivalent Circuit Model ◽  
Design Procedure ◽  
Pass Band ◽  
Band Pass Filter ◽  
Coupled Resonators ◽  
Pass Filter ◽  
Antenna Structure ◽  
Band Pass

In this paper, the design, simulation and fabrication of a filtering antenna is proposed. The filtering antenna structure is, therefore, framed by integrating elements, such as the feed line, parallel coupled resonators and the microstrip patch antenna array. The combined elements are designed for third order Chebyshev band pass filter with a pass band ripple of 0.1 dB and the integrated structure is more suitable for different S-band (2 GHz – 4 GHz) wireless applications. The equivalent circuit model for the proposed filtering antenna structure is analysed and the design procedure of the filter is also presented in detail. The 1x2 rectangular patch antenna array acts both as a radiating element and also as the last resonator of the band pass filter. The proposed filtering antenna structure results in high out-of-band rejection, enhanced bandwidth and a gain of about 209 MHz and 1.53 dB. The fabricated result agrees well with the simulation characteristics

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