JP5308684B2 - 伝送エンベロープ検出器のスレショルド電圧調節方法を利用した装置 - Google Patents

伝送エンベロープ検出器のスレショルド電圧調節方法を利用した装置 Download PDF

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Publication number
JP5308684B2
JP5308684B2 JP2008019433A JP2008019433A JP5308684B2 JP 5308684 B2 JP5308684 B2 JP 5308684B2 JP 2008019433 A JP2008019433 A JP 2008019433A JP 2008019433 A JP2008019433 A JP 2008019433A JP 5308684 B2 JP5308684 B2 JP 5308684B2
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Japan
Prior art keywords
envelope detector
transmission envelope
signal
pair
voltage difference
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English (en)
Japanese (ja)
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JP2008187717A5 (enExample
JP2008187717A (ja
Inventor
永 敏 丘
鎬 仲 崔
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present
    • H03G3/344—Muting responsive to the amount of noise (noise squelch)
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/08—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding
    • H03K5/082—Shaping pulses by limiting; by thresholding; by slicing, i.e. combined limiting and thresholding with an adaptive threshold
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—DC level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of DC offset

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
JP2008019433A 2007-01-30 2008-01-30 伝送エンベロープ検出器のスレショルド電圧調節方法を利用した装置 Expired - Fee Related JP5308684B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2007-0009311 2007-01-30
KR1020070009311A KR100897770B1 (ko) 2007-01-30 2007-01-30 전송 엔벌로프 검출기의 문턱 전압들 조절 방법들과 상기방법들을 이용한 장치들

Publications (3)

Publication Number Publication Date
JP2008187717A JP2008187717A (ja) 2008-08-14
JP2008187717A5 JP2008187717A5 (enExample) 2011-02-17
JP5308684B2 true JP5308684B2 (ja) 2013-10-09

Family

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Family Applications (1)

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JP2008019433A Expired - Fee Related JP5308684B2 (ja) 2007-01-30 2008-01-30 伝送エンベロープ検出器のスレショルド電圧調節方法を利用した装置

Country Status (3)

Country Link
US (1) US8279952B2 (enExample)
JP (1) JP5308684B2 (enExample)
KR (1) KR100897770B1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9189089B2 (en) 2008-08-05 2015-11-17 Cursor Controls Limited Pointing device with prevention of unintended input

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9331654B2 (en) * 2012-03-26 2016-05-03 Marvell World Trade Ltd. Dual squelch detectors and methods for low power states
KR101922907B1 (ko) 2012-03-29 2018-11-28 삼성전자주식회사 샘플링 신호들 간의 차이를 이용하여 엔벨로프를 검출하는 방법 및 장치
US9696351B2 (en) * 2014-12-30 2017-07-04 Stmicroelectronics International N.V. Data receiving device including an envelope detector and related methods
WO2020172877A1 (zh) * 2019-02-28 2020-09-03 华为技术有限公司 一种校正接收机的互调失真信号的方法及装置
US11853140B2 (en) * 2021-08-31 2023-12-26 Apple Inc. Power management based on limiting hardware-forced power control
KR102608463B1 (ko) * 2023-05-25 2023-11-30 서울과학기술대학교 산학협력단 4단계의 진폭 변조 신호 수신 장치 및 방법
CN117014845B (zh) * 2023-09-22 2024-02-20 北京紫光青藤微系统有限公司 用于确定通信开始位置的方法、装置和近场通信设备

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044309A (en) * 1974-07-18 1977-08-23 Narco Scientific Industries, Inc. Automatic squelch circuit with hysteresis
US4302817A (en) * 1980-02-14 1981-11-24 Motorola, Inc. Digital Pseudo continuous tone detector
US4411021A (en) * 1981-07-27 1983-10-18 Motorola, Inc. Automatic threshold squelch
DE3481257D1 (de) * 1983-11-18 1990-03-08 Nec Corp Rauschsperrsignalgenerator zur erzeugung eines rauschsperrsignals hoher zuverlaessigkeit.
US4922549A (en) * 1988-10-27 1990-05-01 Motorola, Inc. Digital FM squelch detector
US5465404A (en) * 1993-01-29 1995-11-07 Motorola, Inc. Communications receiver with an adaptive squelch system
US5564090A (en) * 1993-09-09 1996-10-08 Lockheed Martin Ims Corporation Method and apparatus for dynamically adjusting receiver squelch threshold
FR2744305B1 (fr) * 1996-01-25 1998-03-27 Groupe President Electronics Circuit de blocage a reglage automatique pour recepteur radio
JPH11251959A (ja) * 1998-03-05 1999-09-17 Fujitsu Ltd 干渉キャンセラ装置及び無線通信装置
JP2000013260A (ja) 1998-06-24 2000-01-14 Hitachi Denshi Ltd スケルチ制御方式
KR100282440B1 (ko) 1998-11-30 2001-03-02 김영환 잡음 억제 회로
JP2001094505A (ja) * 1999-09-27 2001-04-06 Matsushita Electric Works Ltd 間欠受信方法
KR100322520B1 (ko) * 1999-10-21 2002-03-18 권영정 적외선 수신장치
JP4312322B2 (ja) 1999-12-01 2009-08-12 パナソニック株式会社 ワイヤレスマイクシステムの受信装置
KR100327440B1 (ko) * 2000-02-21 2002-03-13 박종섭 제로-크로싱 감지회로
JP2002135141A (ja) 2000-10-20 2002-05-10 Hitachi Kokusai Electric Inc 受信機
KR100375234B1 (ko) * 2001-03-30 2003-03-08 삼성전자주식회사 스퀄치 감지 회로
WO2004109531A2 (en) 2003-06-10 2004-12-16 Koninklijke Philips Electronics N.V. Real-time adaptive control for best ic performance
JP2005086646A (ja) * 2003-09-10 2005-03-31 Renesas Technology Corp スケルチ検出回路
JP4177836B2 (ja) * 2004-10-04 2008-11-05 松下電器産業株式会社 受信装置、半導体集積回路、送受信装置、輸送装置、可搬型送受信装置、通信装置および受信方法
KR100629504B1 (ko) * 2004-12-27 2006-09-28 삼성전자주식회사 오경보 확률을 줄이기 위한 신호 획득 장치 및 방법
US7282965B2 (en) * 2005-09-29 2007-10-16 Matsushita Electric Industrial Co., Ltd. Signal detection circuit capable of automatically adjusting threshold value
US7653367B2 (en) * 2006-03-30 2010-01-26 Intel Corporation Squelch detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9189089B2 (en) 2008-08-05 2015-11-17 Cursor Controls Limited Pointing device with prevention of unintended input

Also Published As

Publication number Publication date
KR20080071283A (ko) 2008-08-04
US20080182536A1 (en) 2008-07-31
JP2008187717A (ja) 2008-08-14
KR100897770B1 (ko) 2009-05-15
US8279952B2 (en) 2012-10-02

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