DE602004004621D1 - Spannungsgesteuerter Oszillator für einen Frequenzsynthetisierer - Google Patents

Spannungsgesteuerter Oszillator für einen Frequenzsynthetisierer

Info

Publication number
DE602004004621D1
DE602004004621D1 DE602004004621T DE602004004621T DE602004004621D1 DE 602004004621 D1 DE602004004621 D1 DE 602004004621D1 DE 602004004621 T DE602004004621 T DE 602004004621T DE 602004004621 T DE602004004621 T DE 602004004621T DE 602004004621 D1 DE602004004621 D1 DE 602004004621D1
Authority
DE
Germany
Prior art keywords
controlled oscillator
voltage controlled
frequency synthesizer
synthesizer
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.)
Expired - Fee Related
Application number
DE602004004621T
Other languages
English (en)
Other versions
DE602004004621T2 (de
Inventor
Yasuhiro Ikarashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alps Alpine Co Ltd
Original Assignee
Alps Electric Co Ltd
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 Alps Electric Co Ltd filed Critical Alps Electric Co Ltd
Publication of DE602004004621D1 publication Critical patent/DE602004004621D1/de
Application granted granted Critical
Publication of DE602004004621T2 publication Critical patent/DE602004004621T2/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H03B5/02—Details
    • 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
    • H03B25/00—Simultaneous generation by a free-running oscillator of oscillations having different frequencies
    • 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
    • H03B2200/0034—Circuit elements of oscillators including a buffer amplifier
    • 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
    • H03B2200/007—Generation of oscillations based on harmonic frequencies, e.g. overtone oscillators
DE602004004621T 2003-12-08 2004-12-06 Spannungsgesteuerter Oszillator für einen Frequenzsynthetisierer Expired - Fee Related DE602004004621T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003408569A JP4206035B2 (ja) 2003-12-08 2003-12-08 電圧制御発振器
JP2003408569 2003-12-08

Publications (2)

Publication Number Publication Date
DE602004004621D1 true DE602004004621D1 (de) 2007-03-22
DE602004004621T2 DE602004004621T2 (de) 2007-11-08

Family

ID=34510455

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004004621T Expired - Fee Related DE602004004621T2 (de) 2003-12-08 2004-12-06 Spannungsgesteuerter Oszillator für einen Frequenzsynthetisierer

Country Status (5)

Country Link
US (1) US7292108B2 (de)
EP (1) EP1542355B1 (de)
JP (1) JP4206035B2 (de)
CN (1) CN100550601C (de)
DE (1) DE602004004621T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007116473A (ja) * 2005-10-20 2007-05-10 Sharp Corp 電圧制御発振器、受信モジュール、携帯機器、１セグ放送受信機、モバイル衛星放送受信機器及び地上波デジタル受信機器
US7362192B1 (en) 2005-11-18 2008-04-22 Marvell International Ltd. Low noise voltage-controlled oscillator
JP4430685B2 (ja) * 2007-03-26 2010-03-10 株式会社半導体理工学研究センター 高周波発振回路、位相同期ループ回路、半導体装置及び通信装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025476A (en) 1958-06-02 1962-03-13 Gen Electric Crystal controlled high frequency transistor oscillator
DE2041470C3 (de) 1970-08-20 1974-12-19 Siemens Ag, 1000 Berlin Und 8000 Muenchen Überlagerungseinrichtung für sehr kurze elektromagnetische Wellen
US4864636A (en) * 1987-02-19 1989-09-05 Brunius Robert E Crystal controlled transmitter
US5263197A (en) * 1991-09-20 1993-11-16 Matsushita Communication Industrial Corporation Of America Dual port oscillator for two-stage direct conversion receiver
GB9512732D0 (en) 1995-06-22 1995-08-23 Univ Bristol Radio receiver and frequency generator
JPH10126262A (ja) 1996-10-17 1998-05-15 Hitachi Ltd 周波数シンセサイザ
JPH11168324A (ja) 1997-12-03 1999-06-22 Murata Mfg Co Ltd 電圧制御発振器
AU3783699A (en) * 1998-05-05 1999-11-23 Vari-L Company, Inc. Switched mode oscillator
EP1069681A3 (de) * 1999-07-12 2003-08-13 Alps Electric Co., Ltd. Umschaltbare Pufferschaltung
US6667666B2 (en) * 1999-10-07 2003-12-23 Anthony Aeschlimann Synchronous oscillators
US6437652B1 (en) * 2000-12-29 2002-08-20 Broadcom Corporation Apparatus and method for reducing phase noise in oscillator circuits

Also Published As

Publication number Publication date
EP1542355A1 (de) 2005-06-15
CN100550601C (zh) 2009-10-14
DE602004004621T2 (de) 2007-11-08
JP4206035B2 (ja) 2009-01-07
EP1542355B1 (de) 2007-02-07
US20050122177A1 (en) 2005-06-09
CN1627630A (zh) 2005-06-15
US7292108B2 (en) 2007-11-06
JP2005175564A (ja) 2005-06-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee