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Broadband planar integration and packaging for millimeter-wave circuit design at the V-band
Yang, Ki Seok,Choi, Sung Tae,Tokuda, Kiyohito,Kim, Yong Hoon Wiley Subscription Services, Inc., A Wiley Company 2005 MICROWAVE AND OPTICAL TECHNOLOGY LETTERS Vol.44 No.4
<P>A broadband planar integration and packaging of millimeter-wave circuits based on the integrated waveguide (IWG) and grounded coplanar waveguide (GCPW) transitions are proposed and demonstrated at the V-band. A novel wideband microstrip-line-to-IWG transition is proposed for the planar integration of the rectangular waveguide devices and the insertion loss per one transition is less than 0.1 dB from 43 to 73 GHz. A proposed surface-mountable filter has an insertion loss of 3 dB and a 3.3% bandwidth at a center frequency of 62 GHz. A broadband ribbon interconnection exhibits low loss of 0.2 dB from DC to 70 GHz and the insertion loss of a single microstrip-to-waveguide transition is less than 0.4 dB from 50 to 75 GHz. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 44: 371–374, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20638</P>
60 GHz multi-chip module based on cost effective hybrid multilayer PWB
Choi, Sung Tae,Hamaguchi, Kiyoshi,Ogawa, Hiroyo,Tokuda, Kiyohito,Kim, Yong Hoon Wiley Subscription Services, Inc., A Wiley Company 2007 MICROWAVE AND OPTICAL TECHNOLOGY LETTERS Vol.49 No.9
<P>A novel cost-effective 60-GHz multi-chip module (MCM) is proposed and demonstrated. It is based on a low-cost multilayer printed wiring board (PWB) with a novel vertical transition and a single layer waveguide transition which enables the use of low-cost substrates with high dielectric loss for millimeter wave applications. The proposed MCM technology has been successfully applied to the packaging of a 60-GHz self-heterodyne mixer, and no substantial difference in the RF performance is observed with the packaging. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 2303–2305, 2007; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.22719</P>
60-GHz transceiver module with coplanar ribbon bonded planar millimeter wave bandpass filter
Choi, Sung Tae,Yang, Ki Seok,Tokuda, Kiyohito,Kim, Yong Hoon Wiley Subscription Services, Inc., A Wiley Company 2007 MICROWAVE AND OPTICAL TECHNOLOGY LETTERS - Vol.49 No.5
<P>A small size 60-GHz full duplex transceiver module is developed for high data rate millimeter wave wireless access link. To realize a compact and low cost transceiver module, a planar millimeter wave bandpass filter is integrated by using broadband coplanar ribbon-bond interconnects in the module. The overall size of the module except input and output connectors is 50 mm × 75 mm × 23 mm. The measured RF output power is 16 dBm at 1-dB compression, with conversion gain of 30.6 dB and the conversion gain of the receiver being 23.4 dB. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1212–1214, 2007; Published online in Wiley InterScience (www.interscience.wiley.com) DOI 10.1002/mop.22399</P>
Choi, Sung Tae,Yang, Ki Seok,Nishi, Seiji,Shimizu, Satoru,Tokuda, Kiyohito,Kim, Yong Hoon Wiley Subscription Services, Inc., A Wiley Company 2006 MICROWAVE AND OPTICAL TECHNOLOGY LETTERS Vol.48 No.6
<P>A 60-GHz point-to-multipoint (P-MP) fiber-radio access link with data rate of 156 Mb/s is presented. For a compact system configuration, a small-size 60-GHz transceiver module with planar antennas is developed. A point-to-point (P-P) full-duplex fiber-optic configuration is extended to the scheme with multiple access points (APs) by using a tree coupler and a dense wavelength-division multiplexing (DWDM) multiplexer (MUX). The bit error rate (BER) performances of the 60-GHz fiber-radio access link are measured and compared. Furthermore, the effect of the extension to the scheme with multiple APs is evaluated. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 1219–1222, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21576</P>