PREAMPLIFIER

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20170085251A1
SERIAL NO

15083297

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A preamplifier including a programmable gain amplifying circuit and a filtering circuit is provided. The programmable gain amplifying circuit has a single output terminal. The filtering circuit includes a first switched-capacitor filter and a second switched-capacitor filter. The first switched-capacitor filter is coupled to the single output terminal. The second switched-capacitor filter is connected in parallel with the first switched-capacitor filter. The first switched-capacitor filter and the second switched-capacitor filter are respectively switched between a first mode and a second mode. When the first switched-capacitor filter is switched to the first mode, the second switched-capacitor filter is switched to the second mode.

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Patent Owner(s)

Patent OwnerAddress
UPI SEMICONDUCTOR CORP9F -1 NO 5 TAIYUAN 1ST ST ZHUBEI CITY HSINCHU COUNTY 302

International Classification(s)

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  • 2016 Application Filing Year
  • H03F Class
  • 1076 Applications Filed
  • 936 Patents Issued To-Date
  • 86.99 % Issued To-Date

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lin, Wen-Sheng Hsinchu County, TW 104 920

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Patent Citation Ranking

  • 1 Citation Count
  • H03F Class
  • 13.60 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges914637314186111101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8091 - 1000255075100125150175200225250275300325350375400425450475500

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