NDLI: Low-loss LTCC cavity filters using system-on-package technology at 60 GHz

Content Provider	IEEE Xplore Digital Library
Author	Jong-Hoon Lee Pinel, S. Papapolymerou, J. Laskar, J. Tentzeris, M.M.
Copyright Year	1963
Abstract	In this paper, three-dimensional (3-D) integrated cavity resonators and filters consisting of via walls are demonstrated as a system-on-package compact solution for RF front-end modules at 60 GHz using low-temperature cofired ceramic (LTCC) technology. Slot excitation with a /spl lambda/g/4 open stub has been applied and evaluated in terms of experimental performance and fabrication accuracy and simplicity. The strongly coupled cavity resonator provides an insertion loss <0.84 dB, a return loss >20.6 dB over the passband (/spl sim/0.89 GHz), and a 3-dB bandwidth of approximately 1.5% (/spl sim/0.89 GHz), as well as a simple fabrication of the feeding structure (since it does not require to drill vias to implement the feeding structure). The design has been utilized to develop a 3-D low-loss three-pole bandpass filter for 60-GHz wireless local area network narrow-band (/spl sim/1 GHz) applications. This is the first demonstration entirely authenticated by measurement data for 60-GHz 3-D LTCC cavity filters. This filter exhibits an insertion loss of 2.14 dB at the center frequency of 58.7 GHz, a rejection >16.4 dB over the passband, and a 3-dB bandwidth approximately 1.38% (/spl sim/0.9 GHz).
Sponsorship	IEEE Microwave Theory and Techniques Society
Starting Page	3817
Ending Page	3824
Page Count	8
File Size	972447
File Format	PDF
ISSN	00189480
Volume Number	53
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Band pass filters Resonator filters Cavity resonators Fabrication Insertion loss Passband Bandwidth Radio frequency Ceramics Wireless LAN three-dimensional (3-D) integration Bandpass filter (BPF) cavity filters cavity resonators low-temperature cofired ceramic (LTCC) millimeter wave system-on-package (SOP)
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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