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Cascaded Channel-Select Filter Array Architecture Using High-K Transducers for Spectrum Analysis
 

Summary: Cascaded Channel-Select Filter Array Architecture
Using High-K Transducers for Spectrum Analysis
Eugene Hwang, Tanay A. Gosavi, Sunil A. Bhave
School of Electrical and Computer Engineering
Cornell University
Ithaca, NY, USA
Ronald G. Polcawich, Jeffrey S. Pulskamp, Sarah Bedair
US Army Research Laboratory
Adelphi, MD, USA
Abstract--This work presents a novel cascaded filter array
architecture for large-scale MEMS filter arrays that overcomes
the limitations associated with the large shunt capacitance to
efficiently scale the number of filters in the array. The proposed
architecture effectively reduces the capacitive loading at the
input by utilizing a series connection of the filters, resulting in
improvement in the return loss and stopband rejection for large
arrays. This work demonstrates the feasibility of large-scale
filter arrays without the need for additional costly isolation
strategies for real-time spectrum monitoring applications.
I. INTRODUCTION

  

Source: Afshari, Ehsan - School of Electrical and Computer Engineering, Cornell University

 

Collections: Engineering