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SAW filter with insertion loss of 2 dB and fractional bandwidth of 30 percent

Dai Enguang

Open publisher page 1 citations

Abstract

A very low insertion loss and very wideband SAW filter with ring topology on high electromechanical coupling coefficient substrates is demonstrated in the paper. The insertion loss is 1.9 dB and 3-dB fractional bandwidth is 30%. The filter also shows linear phase characteristic with small size and low passband ripples. The insertion loss is the lowest ever reported with such a wide bandwidth.

About this research paper

What this paper is about

A very low insertion loss and very wideband SAW filter with ring topology on high electromechanical coupling coefficient substrates is demonstrated in the paper. The insertion loss is 1.9 dB and 3-dB fractional bandwidth is 30%. The filter also shows linear phase characteristic with small size and low passband ripples. The insertion loss is the lowest ever reported with such a wide bandwidth.

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Available abstract

A very low insertion loss and very wideband SAW filter with ring topology on high electromechanical coupling coefficient substrates is demonstrated in the paper. The insertion loss is 1.9 dB and 3-dB fractional bandwidth is 30%. The filter also shows linear phase characteristic with small size and low passband ripples. The insertion loss is the lowest ever reported with such a wide bandwidth.

Key concepts: Insertion loss, Passband, Fractional bandwidth, Bandwidth (computing), Wideband, Materials science, Linear phase, Topology (electrical circuits)

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