Tetsuya HEIMA


A Multiband LTE SAW-Less CMOS Transmitter with Source-Follower-Driven Passive Mixers, Envelope-Tracked RF-PGAs, and Marchand Baluns
Takao KIHARA Tomohiro SANO Masakazu MIZOKAMI Yoshikazu FURUTA Mitsuhiko HOKAZONO Takaya MARUYAMA Tetsuya HEIMA Hisayasu SATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/06/01
Vol. E96-C  No. 6  pp. 774-782
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
multibandLTESAW-lessCMOStransmitterquadrature modulatorsource followerenvelope-trackingprogrammable gain amplifierbalun
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Electromigration and Diffusion of Gold in GaAs IC Interconnections
Akira OHTA Kotaro YAJIMA Norio HIGASHISAKA Tetsuya HEIMA Takayuki HISAKA Ryo HATTORI Yoshikazu NAKAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/11/01
Vol. E85-C  No. 11  pp. 1932-1939
Type of Manuscript:  PAPER
Category: Semiconductor Materials and Devices
Keyword: 
electromigrationdiffusionGaAs IChigh temperaturehigh current density
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2.4-GHz-Band CMOS RF Front-End Building Blocks at a 1.8-V Supply
Hiroshi KOMURASAKI Kazuya YAMAMOTO Hideyuki WAKADA Tetsuya HEIMA Akihiko FURUKAWA Hisayasu SATO Takahiro MIKI Naoyuki KATO Akira HYOGO Keitaro SEKINE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/02/01
Vol. E85-A  No. 2  pp. 300-308
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
CMOSlow voltageRFS bandfront end
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Design and Experimental Results of CMOS Low-Noise/Driver MMIC Amplifiers for Use in 2.4-GHz and 5.2-GHz Wireless Communications
Kazuya YAMAMOTO Tetsuya HEIMA Akihiko FURUKAWA Masayoshi ONO Yasushi HASHIZUME Hiroshi KOMURASAKI Hisayasu SATO Naoyuki KATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/02/01
Vol. E85-C  No. 2  pp. 400-407
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
Si-bulk CMOSMMIC2.4 GHz5.2-GHzlow-noise/driver amplifier
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