Miniaturized resonator and bandpass filter for silicon-based monolithic microwave and millimeter-wave integrated circuits
- Publication Type:
- Journal Article
- Citation:
- IEEE Transactions on Circuits and Systems I: Regular Papers, 2018, 65 (12), pp. 4062 - 4071
- Issue Date:
- 2018-12-01
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08386789.pdf | Published Version | 2.98 MB |
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© 2018 IEEE. This paper introduces a unique approach for the implementation of a miniaturized on-chip resonator and its application for the first-order bandpass filter (BPF) design. This approach utilizes a combination of a broadside-coupling technique and a split-ring structure. To fully understand the principle behind it, simplified LC equivalent-circuit models are provided. By analyzing these models, guidelines for implementation of an ultra-compact resonator and a BPF are given. To further demonstrate the feasibility of using this approach in practice, both the implemented resonator and the filter are fabricated in a standard 0.13-μm (Bi)-CMOS technology. The measured results show that the resonator can generate a resonance at 66.75 GHz, while the BPF has a center frequency at 40 GHz and an insertion loss of 1.7 dB. The chip size of both the resonator and the BPF, excluding the pads, is only 0.012mm2 (0.08 × 0.144 mm2).
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