NO20070078L - Q forbedringskrets og fremgangsmate - Google Patents

Q forbedringskrets og fremgangsmate

Info

Publication number
NO20070078L
NO20070078L NO20070078A NO20070078A NO20070078L NO 20070078 L NO20070078 L NO 20070078L NO 20070078 A NO20070078 A NO 20070078A NO 20070078 A NO20070078 A NO 20070078A NO 20070078 L NO20070078 L NO 20070078L
Authority
NO
Norway
Prior art keywords
resistor
series
parasitic
resistance
improvement
Prior art date
Application number
NO20070078A
Other languages
English (en)
Inventor
Louis Luh
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of NO20070078L publication Critical patent/NO20070078L/no

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
    • H03H11/04—Frequency selective two-port networks
    • H03H11/10—Frequency selective two-port networks using negative impedance converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/46—One-port networks
    • H03H11/52—One-port networks simulating negative resistances
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/03—Frequency selective two-port networks comprising means for compensation of loss

Landscapes

  • Amplifiers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Filters And Equalizers (AREA)
  • Networks Using Active Elements (AREA)
  • Paper (AREA)

Abstract

En Q forbedringskrets og fremgangsmåte. I en høyst generell utførelsesform er den oppfinneriske krets tilpasset for bruk med en komponent som har en parasittisk motstand R. En første motstand RI er anbrakt i serie med komponenten. En løsning bevirker motstanden RI til å være en negativ motstand. 1 den illustiative utførelsesform danner første og andre induktorer komponentene for hvilke Q forbedring utføres. En motstand RI er anbrakt i serie med den første induktoren og er lik den parasittiske motstanden RLl derav. Likeledes er den andre motstand R2 anbrakt i serie med den andre induktoren og er lik den parasittiske motstand RL2 derav. Q forbedringskretsen innbefatter dessuten en første tiansistor Ql og en andre tiansistor Q2.
NO20070078A 2004-06-09 2007-01-05 Q forbedringskrets og fremgangsmate NO20070078L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/864,158 US7202762B2 (en) 2004-06-09 2004-06-09 Q enhancement circuit and method
PCT/US2005/012300 WO2006001878A1 (en) 2004-06-09 2005-04-11 Q enhancement circuit and method

Publications (1)

Publication Number Publication Date
NO20070078L true NO20070078L (no) 2007-01-05

Family

ID=34965205

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20070078A NO20070078L (no) 2004-06-09 2007-01-05 Q forbedringskrets og fremgangsmate

Country Status (7)

Country Link
US (1) US7202762B2 (no)
EP (1) EP1754308B1 (no)
JP (1) JP4659832B2 (no)
KR (1) KR100866235B1 (no)
DE (1) DE602005009526D1 (no)
NO (1) NO20070078L (no)
WO (1) WO2006001878A1 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7884680B2 (en) * 2008-06-30 2011-02-08 Infineon Technologies Ag Dynamically adjustable Q-factors
DE102009012767B4 (de) * 2009-03-12 2013-05-23 Texas Instruments Deutschland Gmbh Geschaltete Spannungsversorgung mit Stromabtastung
US9124279B2 (en) 2012-09-03 2015-09-01 Tensorcom, Inc. Method and apparatus for an active negative-capacitor circuit to cancel the input capacitance of comparators
RU2712784C1 (ru) * 2019-02-04 2020-01-31 Федеральное государственное бюджетное образовательное учреждение высшего образования "Ростовский государственный университет путей сообщения" (ФГБОУ ВО РГУПС) Способ измерения добротности резонатора
US11047139B2 (en) 2019-07-09 2021-06-29 Schluter Systems L.P. Veneer profile with fastening feature and related methods

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Publication number Priority date Publication date Assignee Title
GB2181914B (en) * 1985-10-22 1989-09-20 Plessey Co Plc Frequency doubling oscillator and heterodyne circuit incorporating same
JP3381283B2 (ja) 1991-12-24 2003-02-24 株式会社デンソー 可変リアクタンス回路およびこれを用いた可変整合回路
US5892425A (en) * 1997-04-10 1999-04-06 Virginia Tech Intellectual Properties, Inc. Interwound center-tapped spiral inductor
JPH11330851A (ja) * 1998-05-11 1999-11-30 Matsushita Electric Ind Co Ltd 発振器
JP3923690B2 (ja) * 1999-10-05 2007-06-06 株式会社東芝 電圧制御発振装置
US6469586B1 (en) * 2000-08-25 2002-10-22 Sige Semiconductor Inc. Low voltage voltage-controlled oscillator topology
US6681103B1 (en) * 2000-08-25 2004-01-20 Sige Semiconductor Inc. On-chip image reject filter
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JP2003045722A (ja) * 2001-08-01 2003-02-14 Sony Corp インダクタ素子、および、インダクタ素子を用いた集積回路
US6621331B2 (en) * 2001-08-07 2003-09-16 Hrl Laboratories, Llc Variable negative resistance cell for bipolar integrated circuits
US6930562B2 (en) * 2002-07-16 2005-08-16 Matsushita Electric Industrial Co., Ltd. Oscillation with multiple series circuits in parallel
US6650163B1 (en) * 2002-08-08 2003-11-18 International Business Machines Corporation Clock generator for integrated circuit
JP4245391B2 (ja) * 2003-03-27 2009-03-25 株式会社ルネサステクノロジ 無線通信システムおよび通信用半導体集積回路
US6970048B1 (en) * 2003-12-12 2005-11-29 National Semiconductor Corporation Inductive-capacitive (LC) based quadrature voltage controlled oscillator (VCO) with deterministic quadrature signal phase relationship
US20050156681A1 (en) * 2004-01-20 2005-07-21 Koji Takinami Voltage controlled oscillator
KR100615552B1 (ko) * 2004-06-01 2006-08-25 학교법인 한국정보통신학원 직렬 교차 연결된 상보형 트랜지스터를 이용한 전압 제어발진기 및 이를 이용한 신호 송수신 장치

Also Published As

Publication number Publication date
DE602005009526D1 (de) 2008-10-16
KR100866235B1 (ko) 2008-10-30
US7202762B2 (en) 2007-04-10
KR20070014196A (ko) 2007-01-31
JP2008503178A (ja) 2008-01-31
US20050275490A1 (en) 2005-12-15
EP1754308B1 (en) 2008-09-03
WO2006001878A1 (en) 2006-01-05
EP1754308A1 (en) 2007-02-21
JP4659832B2 (ja) 2011-03-30

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