Tetsuya Heima - researchr alias

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Viewing Publication 1 - 6 from 6

2013

A Multiband LTE SAW-Less CMOS Transmitter with Source-Follower-Driven Passive Mixers, Envelope-Tracked RF-PGAs, and Marchand BalunsTakao Kihara, Tomohiro Sano, Masakazu Mizokami, Yoshikazu Furuta, Mitsuhiko Hokazono, Takaya Maruyama, Tetsuya Heima, Hisayasu Sato. ieicet, 96-C(6):774-782, 2013. [doi]

2012

A digital PLL with two-step closed-locking for multi-mode/multi-band SAW-less transmitterKeisuke Ueda, Toshiya Uozumi, Ryo Endo, Takahiro Nakamura, Tetsuya Heima, Hisayasu Sato. cicc 2012: 1-4 [doi]

2003

A 1.8-V operation RF CMOS transceiver for 2.4-GHz-band GFSK applicationsHiroshi Komurasaki, Tomohiro Sano, Tetsuya Heima, Kazuya Yamamoto, Hideyuki Wakada, Ikuo Yasui, Masayoshi Ono, Toshitsugu Miwa, Hisayasu Sato, Takahiro Miki, Naoyuki Kato. jssc, 38(5):817-825, 2003. [doi]

2002

2.4-GHz-Band CMOS RF Front-End Building Blocks at a 1.8-V SupplyHiroshi Komurasaki, Kazuya Yamamoto, Hideyuki Wakada, Tetsuya Heima, Akihiko Furukawa, Hisayasu Sato, Takahiro Miki, Naoyuki Kato, Akira Hyogo, Keitaro Sekine. ieiceta, 85-A(2):300-308, 2002. [doi]

2001

A 2.4-GHz-band 1.8-V operation single-chip Si-CMOS T/R-MMIC front-end with a low insertion loss switchKazuya Yamamoto, Tetsuya Heima, Akihiko Furukawa, Masayoshi Ono, Yasushi Hashizume, Hiroshi Komurasaki, Shigenobu Maeda, Hisayasu Sato, Naoyuki Kato. jssc, 36(8):1186-1197, 2001. [doi]

1999

A 12-ps-resolution digital variable-delay macro cell on GaAs 100 K-gates gate array using a meshed air bridge structureAkira Ohta, Norio Higashisaka, Tetsuya Heima, Takayuki Hisaka, Hirofumi Nakano, Ryuji Ohmura, Tadashi Takagi, Noriyuki Tanino. jssc, 34(1):33-41, 1999. [doi]

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