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2020•Unpublished venueRequires access

High Isolated and Wide Stopband Switchable Diplexer with Inserted Lowpass Filter

Xuehui Guan, Mengrou Xu, Baoping Ren, Wang Liu, Xujie Zhang, Bo Zhao

Open publisher page 3 citations

Abstract

A wide stopband and high isolated diplexer is proposed in this paper. Firstly, a diplexer based on composite resonator with high isolation level of 40dB is designed. Secondly, by inserting a wide stopband lowpass filter (LPF) in the common port of the diplexer, a diplexer with wide stopband is achieved. Thirdly, PIN diodes are loaded to the diplexer, and diplexer with switchable response is realized. Four states switchable diplexer with suppression level of 20dB up to 5.83f0is designed. In each state, the suppression level is better than 20dB.

About this research paper

What this paper is about

A wide stopband and high isolated diplexer is proposed in this paper. Firstly, a diplexer based on composite resonator with high isolation level of 40dB is designed. Secondly, by inserting a wide stopband lowpass filter (LPF) in the common port of the diplexer, a diplexer with wide stopband is achieved. Thirdly, PIN diodes are loaded to the diplexer, and diplexer with switchable response is realized. Four states switchable diplexer with suppression level of 20dB up to 5.83f0is designed. In each state, the suppression level is better than 20dB.

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OpenAlex reports 3 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A wide stopband and high isolated diplexer is proposed in this paper. Firstly, a diplexer based on composite resonator with high isolation level of 40dB is designed. Secondly, by inserting a wide stopband lowpass filter (LPF) in the common port of the diplexer, a diplexer with wide stopband is achieved. Thirdly, PIN diodes are loaded to the diplexer, and diplexer with switchable response is realized. Four states switchable diplexer with suppression level of 20dB up to 5.83f0is designed. In each state, the suppression level is better than 20dB.

Key concepts: Diplexer, Stopband, Resonator, Band-pass filter, Electronic engineering, Filter (signal processing), Computer science, Low-pass filter

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