X-Band Feedback Type Miniaturized Oscillator Design with Low Phase Noise Based on Eighth Mode SIW Bandpass Filter

Samundra K. Thapa; Baichuan Chen; Adel Barakat; Kuniaki Yoshitomi; Ramesh K. Pokharel

doi:10.1109/LMWC.2021.3064602

X-Band Feedback Type Miniaturized Oscillator Design with Low Phase Noise Based on Eighth Mode SIW Bandpass Filter

Samundra K. Thapa, Baichuan Chen, Adel Barakat, Kuniaki Yoshitomi, Ramesh K. Pokharel

Department of I&E Visionaries

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

A standard substrate integrated waveguide (SIW)-based bandpass filter (BPF) suffers from bulkiness that limits its application in the implementation of compact size low phase noise oscillator. Instead, in this letter, an eighth mode SIW (EMSIW) resonator-based BPF is utilized to realize a miniaturized low phase noise oscillator for X -band applications. Additionally, an equivalent circuit model of EMSIW-BPF is presented. A compact feedback-type oscillator prototype using EMSIW-BPF is designed and fabricated for the first time with a circuit area of just 1092 mm2. The experimental results of the prototype show a phase noise of -126.13 dBc/Hz at 1 MHz offset from 9.97 GHz oscillation frequency with an output power of 3.17 dBm.

Original language	English
Article number	9373441
Pages (from-to)	485-488
Number of pages	4
Journal	IEEE Microwave and Wireless Components Letters
Volume	31
Issue number	5
DOIs	https://doi.org/10.1109/LMWC.2021.3064602
Publication status	Published - May 2021

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Electrical and Electronic Engineering

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10.1109/LMWC.2021.3064602

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X-Band Feedback Type Miniaturized Oscillator Design with Low Phase Noise Based on Eighth Mode SIW Bandpass Filter. / Thapa, Samundra K.; Chen, Baichuan; Barakat, Adel; Yoshitomi, Kuniaki; Pokharel, Ramesh K.

In: IEEE Microwave and Wireless Components Letters, Vol. 31, No. 5, 9373441, 05.2021, p. 485-488.

Research output: Contribution to journal › Article › peer-review

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abstract = "A standard substrate integrated waveguide (SIW)-based bandpass filter (BPF) suffers from bulkiness that limits its application in the implementation of compact size low phase noise oscillator. Instead, in this letter, an eighth mode SIW (EMSIW) resonator-based BPF is utilized to realize a miniaturized low phase noise oscillator for X -band applications. Additionally, an equivalent circuit model of EMSIW-BPF is presented. A compact feedback-type oscillator prototype using EMSIW-BPF is designed and fabricated for the first time with a circuit area of just 1092 mm2. The experimental results of the prototype show a phase noise of -126.13 dBc/Hz at 1 MHz offset from 9.97 GHz oscillation frequency with an output power of 3.17 dBm.",

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note = "Funding Information: Manuscript received January 26, 2021; accepted March 2, 2021. Date of publication March 9, 2021; date of current version May 10, 2021. This work was supported in part by Casio Science Foundation, in part by the Murata Science Foundation, in part by the Telecommunication Advancement Foundation, and in part by the VLSI Design and Education Center (VDEC), The University of Tokyo in collaboration with Keysight Corporation. (Corresponding author: Samundra K. Thapa.) The authors are with the Faculty of Information Science and Electrical Engineering, Kyushu University, Fukuoka 819-0395 Japan (e-mail: thapa.samundra.391@s.kyushu-u.ac.jp; pokharel@ed.kyushu-u.ac.jp). Publisher Copyright: {\textcopyright} 2001-2012 IEEE.",

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X-Band Feedback Type Miniaturized Oscillator Design with Low Phase Noise Based on Eighth Mode SIW Bandpass Filter

Abstract

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