Amplifiers – With semiconductor amplifying device – Integrated circuits
Reexamination Certificate
2011-05-31
2011-05-31
Nguyen, Patricia (Department: 2817)
Amplifiers
With semiconductor amplifying device
Integrated circuits
C330S295000, C330S310000, C330S134000
Reexamination Certificate
active
07952434
ABSTRACT:
Power amplifier circuits which constitute an RF power module used for a digital device capable of handling high frequency signals in two frequency bands are disposed over the same IC chip. The power amplifier circuits are disposed around the IC chip, and a secondary circuit is disposed between the power amplifier circuits. Thus, the power amplifier circuits are provided within the same IC chip to enable a size reduction. Further, the distance between the power amplifier circuits is ensured even if the power amplifier circuits are provided within the same IC chip. It is therefore possible to suppress the coupling between the power amplifier circuits and restrain crosstalk between the power amplifier circuits.
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Kusakari Yuri
Matsunaga Yoshikuni
Shimizu Toshihiko
A. Marquez, Esq. Juan Carlos
Nguyen Patricia
Renesas Electronics Corporation
Stites & Harbison PLLC
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