Output control circuit for transmission power amplifying circuit

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United States of America Patent

PATENT NO 5784689
SERIAL NO

08576966

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A higher output of two outputs from a trapezoidal wave generating circuit 4 and a pulse generating circuit 5 is produced. The control voltage signal is formed by combining the trapezoidal wave signal and the pulse signal. Sharp rising and falling edges of the pulse voltage are selected for controlling the transmission power amplifying circuit 1 in a voltage range below a predetermined voltage level, whereas gentle rising and falling edges of the trapezoidal wave signal are used for controlling the circuit 1 in a voltage range above that voltage level.

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Patent Owner(s)

Patent OwnerAddress
NEC CORPORATION108-8001 TOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kobayashi, Takeshi Tokyo, JP 297 3509

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