MODULATION CIRCUIT AND WIRELESS COMMUNICATION APPARATUS

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United States of America Patent

APP PUB NO 20150004922A1
SERIAL NO

14143845

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A modulation circuit that can improve an on/off ratio or increase short pulses, and a wireless communication apparatus are provided. The modulation circuit includes a first transistor in which a first signal is input to a gate terminal; a second transistor that is cascode-connected to the first transistor by connecting a source terminal to a drain terminal of the first transistor, that receives an input of a second signal having a frequency lower than the first signal at a gate terminal, and that modulates the second signal by the first signal and outputs the modulated second signal; and a switch circuit that is formed on the output side of the second transistor. The switch circuit is turned on in synch with a switching of the second transistor to an off state, and turned off in synch with a switching of the second transistor to an on state.

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Patent Owner(s)

Patent OwnerAddress
SAMSUNG ELECTRONICS CO LTD129 SAMSUNG-RO YEONGTONG-GU SUWON-SI GYEONGGI-DO 16677

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  • 2013 Application Filing Year
  • H04L Class
  • 23397 Applications Filed
  • 19833 Patents Issued To-Date
  • 84.77 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20132014201520162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
KOHTANI, Masato Kanagawa, JP 6 7

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges310204273740822814491673625177401 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +01002003004005006007008009001000110012001300140015001600170018001900200021002200

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