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Masaki Ichihara

NEC

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Publication

Featured researches published by Masaki Ichihara.

wireless communications and networking conference | 2002

Gain control methods for analog base band circuit in direct conversion W-CDMA receiver

Masaki Ichihara; Yusuke Kimata

In the analog baseband circuit of a direct conversion receiver especially for W-CDMA, large glitch noises, that would degrade receiving performance, could occur when the baseband gain rapidly and dynamically changes. This paper shows the mechanism of glitch noise occurrences, maximum allowable value for glitch noise and proposes a set of gain control methods to suppress them.

Archive | 1993

OUTPUT LEVEL CONTROL CIRCUIT FOR USE IN RF POWER AMPLIFIER

Masaki Ichihara

Archive | 2002

Mobile terminal device and positional information system

Satoshi Niwa; Masaki Ichihara

Archive | 1995

Ripple-free phase detector using two sample-and-hold circuits

Masaki Ichihara

Archive | 1996

Transmisson diversity system

Masaki Ichihara; Yukitsuna Furuya

Archive | 1999

Transmission power controller for use in mobile communication terminal equipment

Masaki Ichihara

Archive | 2006

Multi-band wireless transceiver and method of controlling the same

Masaki Ichihara

Archive | 1999

Password updating apparatus and recording medium used therefor

Masaki Ichihara

Archive | 1991

Arrangement for converting binary input signal into corresponding in-phase and quadrature phase signals

Masaki Ichihara

Archive | 1994

Frequency synthesis using frequency controlled carrier modulated with PLL feedback signal

Masaki Ichihara

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Yukitsuna Furuya

NEC

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Yusuke Kimata

NEC

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Kenji Nakayama

Kanazawa University

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Kozo Maemura

NEC

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Michio Nagai

NEC

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Satoshi Niwa

NEC

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Shigeo Yoshihara

NEC

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Tsuguo Maru

NEC

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