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Content Provider | IEEE Xplore Digital Library |
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Author | Fujita, S. Imagawa, M. Satoh, T. Tokumitsu, T. Hasegawa, Y. |
Copyright Year | 2010 |
Description | Author affiliation: Sumitomo Electric Device Innovations, Inc., 1000 Kamisukiawara, Showa-cho, Nakakoma-gun, Yamanashi, 409-3883 Japan (Fujita, S.; Imagawa, M.; Satoh, T.; Hasegawa, Y.) || Transmission Device R&D Laboratories, Sumitomo Electric Industries, Ltd., Taya-cho, Sakae-ku, Yokohama, 244-8588 Japan (Tokumitsu, T.) |
Abstract | Cost effective, mass productive Ku-band up- and down-converter MMIC's for wireless communication are presented. These MMIC's are designed by using a three-dimensional MMIC technology that optimized for flip-chip solder reflow-compatible implementation; hence, that removes necessity of packaging. The MMIC structure incorporates inverse TFMS lines so that a ground metal can be applied to cover the whole chip surface except for interconnect pads. Among multi-polyimide and SiN layers, four wiring metal layers are composed. The up-converter MMIC's were composed of a pair of balanced mixers, which are doubly balanced with additional quadrature couplers and a LO amplifier. The down-converter is composed of an image-rejection mixer, a LO amplifier and low-noise amplifier. The components are effectively integrated in a 2.4mm × 2.4mm die. An up-converter exhibited a Gc of −12dB, an IIP3 of nearly 20dBm, and a LO-to-RF leakage of less than −35dBm for a 0dBm of LO input. A 13–15GHz down-converter exhibited a Gc of +12dB, an IIP3 of better than 0dBm, and an image-rejection ratio of greater than 20dB (>30dB for flip-chip assembly) for a 2dBm of LO input. The measurements were performed in both the face-up (with RF-Probe) and flip-chip fashions. An LTCC package implementation was also examined. As a result, the RF performances did not depend on these measurement states and showed high repeatability. We also present the mass productivity of WLCSP MMIC by showing statistical data. |
Starting Page | 1212 |
Ending Page | 1215 |
File Size | 1236363 |
Page Count | 4 |
File Format | |
ISBN | 9781424475902 |
e-ISBN | 9784902339215 |
e-ISBN | 9781902339222 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2010-12-07 |
Publisher Place | Japan |
Access Restriction | Subscribed |
Rights Holder | IEICE Institute of Electronics Informati |
Subject Keyword | MMICs ISO standards Radio frequency Productivity wireless communications WLCSP three-dimensional up-converter down-converter |
Content Type | Text |
Resource Type | Article |
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