KR950002196A - 링발진기 및 전압제어발진기 - Google Patents

링발진기 및 전압제어발진기 Download PDF

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Publication number
KR950002196A
KR950002196A KR1019940013980A KR19940013980A KR950002196A KR 950002196 A KR950002196 A KR 950002196A KR 1019940013980 A KR1019940013980 A KR 1019940013980A KR 19940013980 A KR19940013980 A KR 19940013980A KR 950002196 A KR950002196 A KR 950002196A
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KR
South Korea
Prior art keywords
ring
ring oscillator
oscillators
pass filter
voltage controlled
Prior art date
Application number
KR1019940013980A
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English (en)
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KR100297241B1 (ko
Inventor
히데카즈 기구치
Original Assignee
오오가 노리오
소니 가부시끼가이샤
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Application filed by 오오가 노리오, 소니 가부시끼가이샤 filed Critical 오오가 노리오
Publication of KR950002196A publication Critical patent/KR950002196A/ko
Application granted granted Critical
Publication of KR100297241B1 publication Critical patent/KR100297241B1/ko

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/03—Astable circuits
    • H03K3/0315—Ring oscillators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
    • H03K3/0231—Astable circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
    • H03K3/03—Astable circuits
    • H03K3/0315—Ring oscillators
    • H03K3/0322—Ring oscillators with differential cells

Landscapes

  • Networks Using Active Elements (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

본 발명의 목적은 Q치가 높은 안정한 발진이 얻어지는 링발진기 및 전압제어발진기를 실현하는데 있다.
그 구성은 각 게인스테이지(STG)간을 저항소자(R)와 커패시터(C)를 직렬로 접속하여 이루는 로패스필터로 접속한 링발진기에 각 로패스필터의 캐패시터(C)에 대하여 병렬로 트랜지스터로 이루는 트랜스콘덕턴스회로를 설치하고, 위상이 θ다른 신호전압에 비례한 전류를 흐르게 함으로써 로패스필터를 밴드패스필터로서 동작시킨다. 이것에 의해 Q치가 놓은 안정한 발진이 얻어진다.

Description

링발진기 및 전압제어발진기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 관계되는 링발진기의 제1실시예를 나타내는 회로도이다. 제2도는 본 발명에 관계되는 밴드패스필터의 원리를 설명하기 위한 도면이다.

Claims (4)

  1. 복수개의 게인스테이지가 저항소자를 거쳐 링형으로 접속되고, 각 게인스테이지의 입력과 기준전위와의 사이에는 용량소자와 트랜스콘덕턴스가 병렬로 접속되도록 구성된 것을 특징으로 하는 링발진기.
  2. 제1항에 있어서, 게인스테이지의 입력에서 기준전위에 대하여 그 입력과는 고정된 위상의 다른전류를 트랜스콘덕턴스를 거쳐 흐르게 하도록 구성된 것을 특징으로 하는 링발진기.
  3. 제1항 또는 제2항에 있어서, 트랜스콘덕턴스의 전입력단자에는 링중의 다른 게이스테이지의 입력전압이 인가되도록 구성된 것을 특징으로 하는 링발진기.
  4. 제1항, 제2항 또는 제3항에 있어서, 링발진기의 저항소자, 용량소자 및 트랜스덕턴스로 되는 밴드패스필터의 중심주파수를 변화시키도록 구성된 것을 특징으로 하는 전압제어 발진기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940013980A 1993-06-30 1994-06-21 링발진기및전압제어발진기 KR100297241B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16293893A JP3528203B2 (ja) 1993-06-30 1993-06-30 リング発振器および電圧制御発振器
JP93-162938 1993-06-30

Publications (2)

Publication Number Publication Date
KR950002196A true KR950002196A (ko) 1995-01-04
KR100297241B1 KR100297241B1 (ko) 2001-10-24

Family

ID=15764104

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940013980A KR100297241B1 (ko) 1993-06-30 1994-06-21 링발진기및전압제어발진기

Country Status (3)

Country Link
US (1) US5420547A (ko)
JP (1) JP3528203B2 (ko)
KR (1) KR100297241B1 (ko)

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US5596302A (en) * 1996-01-17 1997-01-21 Lucent Technologies Inc. Ring oscillator using even numbers of differential stages with current mirrors
FI100750B (fi) * 1996-06-11 1998-02-13 Nikolay Tchamov Suurinopeuksinen rengasoskillaattori
US5841325A (en) * 1997-05-12 1998-11-24 Hewlett-Packard Company Fully-integrated high-speed interleaved voltage-controlled ring oscillator
DE19724088C2 (de) * 1997-06-07 1999-08-05 Fraunhofer Ges Forschung Spannungsgesteuerter Ring-Oszillator
US5949292A (en) * 1997-12-15 1999-09-07 Texas Instruments Incorporated Ring oscillator using current robbing for controlling delay period
EP0981858B1 (en) * 1998-03-04 2004-01-02 Koninklijke Philips Electronics N.V. Device with an oscillator circuit
JP3482120B2 (ja) * 1998-03-04 2003-12-22 株式会社東芝 発振回路
US6232844B1 (en) 1999-05-28 2001-05-15 Vitesse Semiconductor Corporation Controlled orthogonal current oscillator with ranging
US6297706B1 (en) * 1999-10-08 2001-10-02 Lucent Technologies Inc. Single stage voltage controlled ring oscillator
JP4526202B2 (ja) * 2001-04-02 2010-08-18 富士通株式会社 サンプリング回路
ATE416511T1 (de) * 2001-09-12 2008-12-15 Thine Electronics Inc Integrierte halbleiterschaltung
TW513851B (en) * 2002-01-18 2002-12-11 Nat Science Council Clock generator
WO2003073600A1 (en) 2002-02-25 2003-09-04 Sony Electronics Inc. Oscillator and pll circuit using the same
EP1570569B1 (en) * 2002-11-29 2010-06-16 Infineon Technologies AG Current-controlled oscillator
US6946917B2 (en) * 2003-11-25 2005-09-20 Texas Instruments Incorporated Generating an oscillating signal according to a control current
EP1608063A3 (en) * 2004-06-17 2006-09-13 STMicroelectronics S.r.l. Phase shifting coupling technique for multi-phase LC tank based ring oscillators
US8044727B2 (en) 2005-12-20 2011-10-25 Fujitsu Limited Phased locked loop circuit including voltage controlled ring oscillator
KR101541733B1 (ko) 2008-10-09 2015-08-04 삼성전자주식회사 디지털 제어 발진기
CN102075155A (zh) * 2010-12-30 2011-05-25 天津南大强芯半导体芯片设计有限公司 一种集成低通滤波器电路
US8816782B2 (en) * 2011-05-10 2014-08-26 Freescale Semiconductor, Inc. Phase locked loop circuit having a voltage controlled oscillator with improved bandwidth
FR2995449A1 (fr) 2012-09-12 2014-03-14 St Microelectronics Sa Imageur terahertz
FR2995475A1 (fr) 2012-09-12 2014-03-14 St Microelectronics Sa Oscillateur a haute frequence
KR102022386B1 (ko) * 2017-12-28 2019-09-18 서울과학기술대학교 산학협력단 저전력 IoT 디바이스용 RC딜레이형 VCO모듈
US10742224B2 (en) 2018-11-15 2020-08-11 Nvidia Corp. Voltage-follower based cross-coupling oscillators with embedded phase-interpolation function
CN111200412B (zh) * 2018-11-16 2023-08-25 广州安凯微电子股份有限公司 一种基于环形振荡器的低通滤波器电容补偿电路及方法

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US5191301A (en) * 1992-05-12 1993-03-02 International Business Machines Corporation Integrated differential voltage controlled ring oscillator

Also Published As

Publication number Publication date
KR100297241B1 (ko) 2001-10-24
US5420547A (en) 1995-05-30
JP3528203B2 (ja) 2004-05-17
JPH0774592A (ja) 1995-03-17

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