70 GHz folded loop dual-mode bandpass filter fabricated using 0.18 μm standard CMOS technology

Cheng Ying Hsu, Chu Yu Chen, Huey Ru Chuang

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

This letter presents the design and implementation of a 70 GHz millimeter-wave compact folded loop dual-mode on-chip bandpass filter (BPF) using a 0.18 μm standard CMOS process. A compact BPF, consisting of such a planar ring resonator structure having dual transmission zeros was fabricated and designed. The size of the designed filter is 650 × 670 μm 2. Calculated circuit model, EM simulated and measured results of the proposed filter operating at 70 GHz are shown in a good agreement and have good performance. The filter has a 3-dB bandwidth of about 18 GHz at the center frequency of 70 GHz. The measured insertion loss of the passband is about 3.6 dB and the return loss is better than 10 dB within the passband.

Original languageEnglish
Article number4624615
Pages (from-to)587-589
Number of pages3
JournalIEEE Microwave and Wireless Components Letters
Volume18
Issue number9
DOIs
Publication statusPublished - 2008 Sep 1

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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