KR100988170B1 - 저잡음 전류원과 전압원이 구비된 전압제어발진기 - Google Patents
저잡음 전류원과 전압원이 구비된 전압제어발진기 Download PDFInfo
- Publication number
- KR100988170B1 KR100988170B1 KR1020080018081A KR20080018081A KR100988170B1 KR 100988170 B1 KR100988170 B1 KR 100988170B1 KR 1020080018081 A KR1020080018081 A KR 1020080018081A KR 20080018081 A KR20080018081 A KR 20080018081A KR 100988170 B1 KR100988170 B1 KR 100988170B1
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- low noise
- resistor
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1206—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification
- H03B5/1212—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification the amplifier comprising a pair of transistors, wherein an output terminal of each being connected to an input terminal of the other, e.g. a cross coupled pair
- H03B5/1215—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification the amplifier comprising a pair of transistors, wherein an output terminal of each being connected to an input terminal of the other, e.g. a cross coupled pair the current source or degeneration circuit being in common to both transistors of the pair, e.g. a cross-coupled long-tailed pair
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1206—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
- H03B5/124—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance
- H03B5/1243—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance the means comprising voltage variable capacitance diodes
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/003—Circuit elements of oscillators
- H03B2200/0038—Circuit elements of oscillators including a current mirror
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/006—Functional aspects of oscillators
- H03B2200/0062—Bias and operating point
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- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Abstract
Description
Claims (5)
- 상호 연결된 제1버랙터와 제2버랙터, 각 버랙터의 일 단자에 각각 연결된 커패시터, 및 일 단자가 저잡음 전압원에 연결되어 기준 바이어스 전압이 입력되는 제1저항과 제2저항으로 이루어져, 입력전압에 의해 버랙터의 커패시턴스 값이 변하며 공진주파수를 발생시키는 동조부;공통 일 단자가 저잡음 전류원에 연결되어 기준전류를 공급받으며 교차 연결된 제1모스트랜지스터와 제3모스트랜지스터, 및 공통 일 단자가 접지전원에 연결되고 교차 연결된 제2모스트랜지스터와 제4모스트랜지스터가 구비된 부성저항부;기준전류를 공급하는 기준전류원과, 상기 기준전류원에 일 단자가 연결된 제5모스트랜지스터와, 상기 제1, 3모스트랜지스터의 공통 단자에 일 단자가 연결되고 상기 5모스트랜지스터와 커런트 미러 구조를 이루는 제6모스트랜지스터, 및 상기 제5, 6모스트랜지스터의 공통게이트와 다른 일 단자의 공통 노드에 각각 연결된 제3저항과 제3커패시터로 이루어진 RC필터가 구비된 저잡음 전류원; 및상기 저잡음 전류원에 연결되는 커런트 경로를 형성하여 상기 기준전류원에 의해 기준 바이어스 전압을 생성하여 상기 동조부로 공급하는 저잡음 전압원을 포함하되,상기 저잡음 전압원은,상기 제6모스트랜지스터의 게이트에서 분기하는 커런트 경로에 의해 상기 제5모스트랜지스터와 공통게이트를 이루어 커런트 미러 구조를 형성하는 미러링 트랜지스터를 포함하여 구성되는 것을 특징으로 하는 저잡음 전류원과 전압원이 구비된 전압제어발진기.
- 삭제
- 제1항에 있어서,상기 미러링 트랜지스터의 일 단자에 연결된 제4저항과, 상기 제4저항에 일 단자가 연결되고 다른 일 단자가 접지전원에 연결된 제5저항으로 구성되며, 상기 제4저항과 제5저항의 연결노드에서 상기 동조부의 제1 및 제2저항의 공통단자로 기준 바이어스 전압을 공급하는 전압분배부를 포함하여 구성되는 것을 특징으로 하는 저잡음 전류원과 전압원이 구비된 전압제어발진기.
- 제3항에 있어서,상기 제5저항은 가변저항으로 구성되는 것을 특징으로 하는 저잡음 전류원과 전압원이 구비된 전압제어발진기.
- 제3항에 있어서,상기 제4저항과 제5저항은 상기 저잡음 전류원에서 기준전류원(Iref)을 만들 때 필요한 저항과 프로세스 변이, 온도 변이 등이 동일한 타입의 저항으로 구성되 는 것을 특징으로 하는 저잡음 전류원과 전압원이 구비된 전압제어발진기.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020080018081A KR100988170B1 (ko) | 2008-02-28 | 2008-02-28 | 저잡음 전류원과 전압원이 구비된 전압제어발진기 |
PCT/KR2009/000931 WO2009107992A2 (ko) | 2008-02-28 | 2009-02-27 | 저잡음 전류원과 전압원이 구비된 전압제어발진기 |
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KR1020080018081A KR100988170B1 (ko) | 2008-02-28 | 2008-02-28 | 저잡음 전류원과 전압원이 구비된 전압제어발진기 |
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KR20090092869A KR20090092869A (ko) | 2009-09-02 |
KR100988170B1 true KR100988170B1 (ko) | 2010-10-18 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20020057281A (ko) * | 2000-12-30 | 2002-07-11 | 박종섭 | 기판전압 의존성을 줄인 기준 전압원 회로 |
JP2006245774A (ja) * | 2005-03-01 | 2006-09-14 | Nec Electronics Corp | 電圧制御発振器 |
JP2007336254A (ja) | 2006-06-15 | 2007-12-27 | Oki Electric Ind Co Ltd | 電圧制御発振器 |
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WO2002061937A1 (en) * | 2001-02-01 | 2002-08-08 | Koninklijke Philips Electronics N.V. | Quadrature coupled controllable oscillator and communication arrangement |
KR100840299B1 (ko) * | 2005-04-06 | 2008-06-20 | 서울시립대학교 산학협력단 | 소스궤환 저항을 이용한 직교신호발생 전압 제어 발진기 |
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- 2008-02-28 KR KR1020080018081A patent/KR100988170B1/ko active IP Right Grant
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- 2009-02-27 WO PCT/KR2009/000931 patent/WO2009107992A2/ko active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20020057281A (ko) * | 2000-12-30 | 2002-07-11 | 박종섭 | 기판전압 의존성을 줄인 기준 전압원 회로 |
JP2006245774A (ja) * | 2005-03-01 | 2006-09-14 | Nec Electronics Corp | 電圧制御発振器 |
JP2007336254A (ja) | 2006-06-15 | 2007-12-27 | Oki Electric Ind Co Ltd | 電圧制御発振器 |
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WO2009107992A2 (ko) | 2009-09-03 |
KR20090092869A (ko) | 2009-09-02 |
WO2009107992A3 (ko) | 2009-12-23 |
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