KR20180044288A - 저잡음 증폭기 및 노치 필터 - Google Patents

저잡음 증폭기 및 노치 필터 Download PDF

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Publication number
KR20180044288A
KR20180044288A KR1020187005331A KR20187005331A KR20180044288A KR 20180044288 A KR20180044288 A KR 20180044288A KR 1020187005331 A KR1020187005331 A KR 1020187005331A KR 20187005331 A KR20187005331 A KR 20187005331A KR 20180044288 A KR20180044288 A KR 20180044288A
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KR
South Korea
Prior art keywords
lna
notch
coupled
signal
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
KR1020187005331A
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English (en)
Korean (ko)
Inventor
하지르 헤다야티
미래드 다르비쉬
리-청 창
Original Assignee
퀄컴 인코포레이티드
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Publication date
Application filed by 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20180044288A publication Critical patent/KR20180044288A/ko
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/294—Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H03F2203/21106—An input signal being distributed in parallel over the inputs of a plurality of power amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B2001/1063—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal using a notch filter

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
  • Networks Using Active Elements (AREA)
KR1020187005331A 2015-08-25 2016-07-25 저잡음 증폭기 및 노치 필터 Withdrawn KR20180044288A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/835,569 US9692470B2 (en) 2015-08-25 2015-08-25 Low noise amplifier and notch filter
US14/835,569 2015-08-25
PCT/US2016/043890 WO2017034724A1 (en) 2015-08-25 2016-07-25 Low noise amplifier and notch filter

Publications (1)

Publication Number Publication Date
KR20180044288A true KR20180044288A (ko) 2018-05-02

Family

ID=56555876

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020187005331A Withdrawn KR20180044288A (ko) 2015-08-25 2016-07-25 저잡음 증폭기 및 노치 필터

Country Status (7)

Country Link
US (1) US9692470B2 (enExample)
EP (1) EP3342051B1 (enExample)
JP (1) JP2018532295A (enExample)
KR (1) KR20180044288A (enExample)
CN (1) CN107925427B (enExample)
TW (1) TWI707550B (enExample)
WO (1) WO2017034724A1 (enExample)

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US10547289B2 (en) * 2018-04-25 2020-01-28 Qualcomm Incorporated High order miller N-path filter
US10727894B2 (en) * 2018-04-30 2020-07-28 Skyworks Solutions, Inc. Front end systems with switched termination for enhanced intermodulation distortion performance
US10567017B2 (en) * 2018-06-19 2020-02-18 Mediatek Inc. Saw-less design in low supply voltage and single-ended receiver and associated signal processing method
CN109257065B (zh) * 2018-08-17 2020-11-03 Oppo（重庆）智能科技有限公司 一种消除共存干扰的方法及电路、终端
US10735035B1 (en) * 2019-03-11 2020-08-04 Apple Inc. Sensor circuit with tracking filter and leakage rejection
US11387857B2 (en) * 2019-12-06 2022-07-12 Silicon Laboratories Inc. Dynamically reconfigurable frequency selective attenuator for radio frequency receiver front end
CN110971251A (zh) * 2019-12-25 2020-04-07 中电科航空电子有限公司 机载电磁波设备、及抗干扰系统、方法及装置
US11901931B2 (en) * 2021-09-09 2024-02-13 Qualcomm Incorporated Transmit diversity power leakage detection and filtering in antenna compensator power detector
CN115804583B (zh) * 2022-11-23 2025-05-30 深圳先进技术研究院 基于有源滤波器的磁粒子成像方法及其相关设备

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US3369189A (en) 1964-07-24 1968-02-13 Navy Usa Variable feedback notch filter
JPH11177357A (ja) * 1997-12-10 1999-07-02 Fujitsu Ltd 利得可変増幅回路
JP4126951B2 (ja) * 2002-04-26 2008-07-30 ソニー株式会社 データリカバリ回路およびこれを用いたディスク装置
JP3846730B2 (ja) * 2003-03-07 2006-11-15 松下電器産業株式会社 フィルタ
EP1813030B1 (en) 2004-11-15 2012-01-18 Qualcomm Incorporated Adaptive filter for transmit leakage signal rejection
US7312738B2 (en) * 2005-10-27 2007-12-25 Texas Instruments Incorporated Apparatus and method for sigma delta signal treatment
US7894779B2 (en) * 2006-06-22 2011-02-22 Honeywell International Inc. Apparatus and method for transmitting and receiving multiple radio signals over a single antenna
US8036623B2 (en) * 2007-03-13 2011-10-11 Qualcomm, Incorporated Wireless receiver with notch filter to reduce effects of transmit signal leakage
US8135348B2 (en) * 2007-03-27 2012-03-13 Qualcomm, Incorporated Rejection of transmit signal leakage in wireless communication device
US8005448B1 (en) * 2007-05-10 2011-08-23 Rf Micro Devices, Inc. Radio frequency duplex filter for removing transmit signals from a receive path
JP5098617B2 (ja) * 2007-12-12 2012-12-12 横河電機株式会社 プリエンファシス回路
US8526903B2 (en) * 2008-03-11 2013-09-03 Qualcomm, Incorporated High-linearity receiver with transmit leakage cancellation
CN101420246B (zh) * 2008-11-21 2013-09-11 华为技术有限公司 一种收发信机抵消发射干扰的方法、设备及收发信机
US20100317311A1 (en) 2009-06-10 2010-12-16 Broadcom Corporation Protection for SAW-Less Receivers
JP5166372B2 (ja) * 2009-08-14 2013-03-21 クゥアルコム・インコーポレイテッド 送信漏れ信号除去用適応フィルタ
GB201003183D0 (en) * 2010-02-24 2010-04-14 M4S Nv Rejection of RF interferers and noise in a wireless communications transceiver
US9154178B2 (en) * 2010-05-17 2015-10-06 Tyco Electronics Services Gmbh Duplexer with enhanced isolation
US9112476B2 (en) * 2012-02-27 2015-08-18 Intel Deutschland Gmbh Second-order filter with notch for use in receivers to effectively suppress the transmitter blockers
US20130259099A1 (en) * 2012-03-30 2013-10-03 Qualcomm Incorporated Tunable notch filter using feedback through an existing feedback receiver
US8855593B2 (en) 2012-04-17 2014-10-07 Broadcom Corporation Saw-less receiver with notch at transmitter frequency
US9100099B2 (en) 2013-02-06 2015-08-04 Samsung Electronics Co., Ltd. Adaptive transmitter leakage cancelation in a transceiver
US9344124B2 (en) 2013-05-01 2016-05-17 Qualcomm Incorporated Jammer resistant noise cancelling receiver front end
US9209910B2 (en) 2013-08-30 2015-12-08 Qualcomm Incorporated Blocker filtering for noise-cancelling receiver

Also Published As

Publication number Publication date
US9692470B2 (en) 2017-06-27
CN107925427B (zh) 2020-07-17
TWI707550B (zh) 2020-10-11
US20170063414A1 (en) 2017-03-02
EP3342051A1 (en) 2018-07-04
TW201722092A (zh) 2017-06-16
WO2017034724A1 (en) 2017-03-02
CN107925427A (zh) 2018-04-17
JP2018532295A (ja) 2018-11-01
EP3342051B1 (en) 2019-07-17

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Date Code Title Description
PA0105 International application

Patent event date: 20180222

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination