Spurious Mode Rejection in an Oversized Dielectric Resonator by Microstrip Metallic Pattern

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SOLTANI Z.; ASADI SH.

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Journal Paper

Paper Information

Journal: JOURNAL OF APPLIED ELECTROMAGNETIC Year:2020 | Volume:7 | Issue:2 (19) Page(s): 9-15

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Information Journal Paper

Title

Spurious Mode Rejection in an Oversized Dielectric Resonator by Microstrip Metallic Pattern

Author(s)

SOLTANI Z. | ASADI SH.

Keywords

Higher Order Mode

Oversized Resonator

Unwanted Mode Rejection

Abstract

In order to achieve a low phase noise oscillator, designing a high Q resonator is inevitable. Exciting Higher Order Modes is an appropriate method to increase the quality factor. Existence of unwanted modes is a major issue that appears in Higher Order Mode excitation. The oscillator circuit cannot oscillate in the desirable mode due to low mode separation. This paper presents a design methodology for DR which leads to spurious performance improvement in Higher Order Modes in addition to the rejection of unwanted frequencies. The goal is controlling the frequency separation between resonance and unwanted frequencies in order to implement in low noise oscillators. In an eight-GHz dielectric resonator excited by TE22δ mode, the quality factor equals to 12450 which is higher than a DR excited by TE01δ mode with a quality factor of 8100. Also, unwanted frequencies at 8. 05 GHz and 8. 3 GHz are suppressed by the proposed technique with minimum impact on the main resonance mode.

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APA: Copy

SOLTANI, Z., & ASADI, SH.. (2020). Spurious Mode Rejection in an Oversized Dielectric Resonator by Microstrip Metallic Pattern. JOURNAL OF APPLIED ELECTROMAGNETIC, 7(2 (19) ), 9-15. SID. https://sid.ir/paper/777156/en

Vancouver: Copy

SOLTANI Z., ASADI SH.. Spurious Mode Rejection in an Oversized Dielectric Resonator by Microstrip Metallic Pattern. JOURNAL OF APPLIED ELECTROMAGNETIC[Internet]. 2020;7(2 (19) ):9-15. Available from: https://sid.ir/paper/777156/en

IEEE: Copy

Z. SOLTANI, and SH. ASADI, “Spurious Mode Rejection in an Oversized Dielectric Resonator by Microstrip Metallic Pattern,” JOURNAL OF APPLIED ELECTROMAGNETIC, vol. 7, no. 2 (19) , pp. 9–15, 2020, [Online]. Available: https://sid.ir/paper/777156/en

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