HK1016760A1 - Tuning amplifier - Google Patents

Tuning amplifier

Info

Publication number
HK1016760A1
HK1016760A1 HK98111943A HK98111943A HK1016760A1 HK 1016760 A1 HK1016760 A1 HK 1016760A1 HK 98111943 A HK98111943 A HK 98111943A HK 98111943 A HK98111943 A HK 98111943A HK 1016760 A1 HK1016760 A1 HK 1016760A1
Authority
HK
Hong Kong
Prior art keywords
tuning amplifier
tuning
amplifier
Prior art date
Application number
HK98111943A
Other languages
English (en)
Inventor
Tadataka Ohe
Original Assignee
Ikeda Takeshi
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ikeda Takeshi filed Critical Ikeda Takeshi
Publication of HK1016760A1 publication Critical patent/HK1016760A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/16—Networks for phase shifting
    • H03H11/20—Two-port phase shifters providing an adjustable phase shift
    • 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
    • H03F3/191—Tuned amplifiers
    • 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
    • H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Amplifiers (AREA)
  • Networks Using Active Elements (AREA)
HK98111943A 1995-11-07 1998-11-12 Tuning amplifier HK1016760A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP31366995 1995-11-07
JP31367095 1995-11-07
PCT/JP1996/000530 WO1997017754A1 (fr) 1995-11-07 1996-03-06 Amplificateur d'accord

Publications (1)

Publication Number Publication Date
HK1016760A1 true HK1016760A1 (en) 1999-11-05

Family

ID=26567661

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98111943A HK1016760A1 (en) 1995-11-07 1998-11-12 Tuning amplifier

Country Status (10)

Country Link
US (1) US6034566A (ja)
EP (1) EP0860942B1 (ja)
JP (1) JP3628334B2 (ja)
KR (1) KR19990028989A (ja)
CN (1) CN1084962C (ja)
AU (1) AU4889196A (ja)
DE (1) DE69636411D1 (ja)
HK (1) HK1016760A1 (ja)
TW (1) TW291625B (ja)
WO (1) WO1997017754A1 (ja)

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US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6813485B2 (en) * 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US7110435B1 (en) * 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7010559B2 (en) * 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator and applications thereof
US6492876B1 (en) * 2001-10-25 2002-12-10 National Semiconductor Corporation Low power analog equalizer with variable op-amp gain
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7116163B2 (en) * 2004-08-02 2006-10-03 Broadcom Corporation Buffer circuit
DE102006045279A1 (de) * 2006-01-31 2007-08-09 Micro-Epsilon Messtechnik Gmbh & Co. Kg Schaltung zum Einstellen einer Impedanz
CN101420209B (zh) * 2008-11-21 2011-08-31 北京时代民芯科技有限公司 一种高速大动态范围数字化自动增益控制电路
KR101666877B1 (ko) 2011-10-12 2016-10-18 삼성에스디아이 주식회사 리튬 이차 전지
US9595931B2 (en) * 2014-09-12 2017-03-14 Ess Technology, Inc. Two differential amplifier configuration
CN105450198A (zh) * 2015-12-31 2016-03-30 陕西烽火电子股份有限公司 一种介质谐振器型电调滤波器
CN108111010A (zh) * 2017-03-20 2018-06-01 中惠创智无线供电技术有限公司 一种功率因数补偿系统及电源
CN111165076B (zh) * 2017-09-30 2022-11-25 昕诺飞控股有限公司 可控驱动器以及驱动方法
CN107967907B (zh) * 2018-01-18 2021-03-09 京东方科技集团股份有限公司 反相电路、驱动方法、阵列基板、检测方法及显示装置
US11552644B2 (en) * 2020-01-19 2023-01-10 Ixi Technology Holdings, Inc. Fast frequency hopping of modulated signals
US12040808B2 (en) * 2021-12-08 2024-07-16 SiliconIntervention Inc. Analog signal voltage controlled amplifier

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3434070A (en) * 1966-01-14 1969-03-18 Sylvania Electric Prod Shunt feed for increasing amplifier output power
US4023113A (en) * 1974-03-04 1977-05-10 Hammond Corporation Voltage controlled filter
US3972006A (en) * 1974-09-20 1976-07-27 Beckman Instruments, Inc. Bandpass filter
DE2608431C3 (de) * 1976-03-01 1978-08-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Aus zwei Allpaflgliedern erster Ordnung gebildete spulenlose Filterschaltung
JPS5840935A (ja) * 1981-09-03 1983-03-10 Fujitsu Ten Ltd 高周波同調回路
JPH02130008A (ja) * 1988-11-09 1990-05-18 Toshiba Corp 高周波電力増幅回路
US4994761A (en) * 1989-11-06 1991-02-19 Motorola Inc. VHF power amplifier
US5235223A (en) * 1991-08-29 1993-08-10 Harman International Industries, Inc. Constant Q peaking filter utilizing synthetic inductor and simulated capacitor
JP2712923B2 (ja) * 1991-09-10 1998-02-16 富士通株式会社 Ｓａｔ移相回路
US5329249A (en) * 1993-10-13 1994-07-12 Pacific Monolithics, Inc. High efficiency RF power amplifier
EP0763886B1 (en) * 1994-05-10 2001-11-21 Ikeda, Takeshi Tuned amplifier
EP0768753A4 (en) * 1994-06-13 2000-05-17 Takeshi Ikeda TUNED AMPLIFIER
WO1996004712A1 (fr) * 1994-08-05 1996-02-15 Takeshi Ikeda Amplificateur d'accord

Also Published As

Publication number Publication date
EP0860942B1 (en) 2006-08-02
EP0860942A1 (en) 1998-08-26
CN1084962C (zh) 2002-05-15
AU4889196A (en) 1997-05-29
DE69636411D1 (de) 2006-09-14
WO1997017754A1 (fr) 1997-05-15
CN1192829A (zh) 1998-09-09
JP3628334B2 (ja) 2005-03-09
TW291625B (en) 1996-11-21
KR19990028989A (ko) 1999-04-15
EP0860942A4 (en) 2004-03-10
US6034566A (en) 2000-03-07

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20080306