A Small-Sized 10 W Module for 1.5GHz Portable DMCA Radios Using New Power Divider/Combiner (Special Issue on Microwave and Millimeterwave High-power Devices)
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概要
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A small-sized three-stage GaAs power module has been developed for portable digital radios using M-16QAM modulation. This module has exhibited typical P_lt1dBgt of 10W with PAE of 48% and a power gain of 35dB at a low supply voltage of 6.5V in 1.453-1.477GHz band. The volume of the module is only 1.5cc, which is one of the smallest value in 10W class modules ever reported. In order to realize the reduced size and the high power performances simultaneously, the module has employed new power divider/combiner circuits with significant features of the reduced occupation area, the improved isolation properties and the function of second-harmonic control.
- 1997-06-25
著者
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MAEDA Masahiro
Electronics Research Laboratory, Matsushita Electronics Corporation
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NAKAMURA Morio
Electronics Research Laboratory, Matsushita Electronics Corporation
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MORIMOTO Shigeru
Electronics Research Laboratory, Matsushita Electronics Corporation
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MASATO Hiroyuki
Electronics Research Laboratory, Matsushita Electronics Corporation
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OTA Yorito
Electronics Research Laboratory, Matsushita Electronics Corporation
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NAKAMURA Masakazu
Chiba University
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Nakamura Masakazu
Chiba Univ. Chiba Jpn
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Nakamura Minoru
Ntt Access Network Service Systems Laboratories Ntt Corporation
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Maeda Masatoshi
Science And Technical Research Laboratories Nhk (japan Broadcasting Corporation)
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Ota Y
Iwate Univ. Morioka‐shi Jpn
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Maeda M
Department Of Biotechnology Tottori University
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Morimoto Shigeru
Electronics Research Laboratory Matsushita Electronics Corporation
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Masato H
Electronics Research Laboratory Matsushita Electronics Corporation
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