JPS6248923B2 - - Google Patents

Info

Publication number
JPS6248923B2
JPS6248923B2 JP56019479A JP1947981A JPS6248923B2 JP S6248923 B2 JPS6248923 B2 JP S6248923B2 JP 56019479 A JP56019479 A JP 56019479A JP 1947981 A JP1947981 A JP 1947981A JP S6248923 B2 JPS6248923 B2 JP S6248923B2
Authority
JP
Japan
Prior art keywords
transistor
circuit
power supply
base
oscillation
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
Application number
JP56019479A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57133705A (en
Inventor
Yasuhiro Sugimoto
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP56019479A priority Critical patent/JPS57133705A/ja
Priority to US06/346,234 priority patent/US4492934A/en
Publication of JPS57133705A publication Critical patent/JPS57133705A/ja
Publication of JPS6248923B2 publication Critical patent/JPS6248923B2/ja
Granted legal-status Critical Current

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
    • H03B5/08—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
    • H03B5/1231—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 the amplifier comprising one or more bipolar transistors
    • 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
    • H03B5/1209—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 having two current paths operating in a differential manner and a current source or degeneration circuit in common to both paths, e.g. a long-tailed pair.
    • 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
    • H03B5/1246—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 transistors used to provide a variable capacitance
    • H03B5/125—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 transistors used to provide a variable capacitance the transistors being bipolar transistors
    • 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
    • H03B5/1293—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 having means for achieving a desired tuning characteristic, e.g. linearising the frequency characteristic across the tuning voltage range
    • 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
    • H03B2200/0092—Measures to linearise or reduce distortion of oscillator characteristics

Landscapes

  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
JP56019479A 1981-02-12 1981-02-12 Variable frequency oscillating circuit Granted JPS57133705A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56019479A JPS57133705A (en) 1981-02-12 1981-02-12 Variable frequency oscillating circuit
US06/346,234 US4492934A (en) 1981-02-12 1982-02-05 Voltage controlled oscillator with linear characteristic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56019479A JPS57133705A (en) 1981-02-12 1981-02-12 Variable frequency oscillating circuit

Publications (2)

Publication Number Publication Date
JPS57133705A JPS57133705A (en) 1982-08-18
JPS6248923B2 true JPS6248923B2 (en]) 1987-10-16

Family

ID=12000469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56019479A Granted JPS57133705A (en) 1981-02-12 1981-02-12 Variable frequency oscillating circuit

Country Status (2)

Country Link
US (1) US4492934A (en])
JP (1) JPS57133705A (en])

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2519703B2 (ja) * 1987-02-04 1996-07-31 株式会社東芝 発振回路
US5055804A (en) * 1989-06-21 1991-10-08 Matsushita Electric Industrial Co., Ltd. Oscillator
US5469119A (en) * 1993-07-14 1995-11-21 At&T Corp. Linear voltage-controlled oscillator using fixed capacitors in lieu of varactors
FI97925C (fi) * 1994-06-21 1997-03-10 Nokia Mobile Phones Ltd Virityslineaarisuudeltaan parannettu jänniteohjattu oskillaattori
US5748050A (en) * 1996-03-29 1998-05-05 Symbios Logic Inc. Linearization method and apparatus for voltage controlled oscillator
US5789989A (en) * 1997-01-23 1998-08-04 International Business Machines Corporation Delay interpolating voltage-controlled oscillator with linear transfer function
EP0905876B1 (en) * 1997-09-26 2002-12-11 Texas Instruments Incorporated Improvements in or relating to voltage controlled oscillators
JP3938232B2 (ja) * 1997-11-28 2007-06-27 シャープ株式会社 ケーブルモデム用チューナ
FI19992262A7 (fi) * 1998-02-20 1999-12-17 Motorola Inc Paranneltu oskillaattoripiiri ja menetelmä sen muodostamiseksi
DE19807255B4 (de) * 1998-02-20 2010-08-26 Infineon Technologies Ag Steuerbarer LC-Oszillator
US6198360B1 (en) * 1998-10-16 2001-03-06 Cypress Semiconductor Corp. Quadrature current frequency modulation oscillator
JP4055801B2 (ja) * 2003-06-27 2008-03-05 松下電器産業株式会社 Ｖｃｏ装置
US7439816B1 (en) 2005-09-28 2008-10-21 Cypress Semiconductor Corporation Phase-locked loop fast lock circuit and method
US8035455B1 (en) 2005-12-21 2011-10-11 Cypress Semiconductor Corporation Oscillator amplitude control network
JP4808047B2 (ja) * 2006-03-03 2011-11-02 新日本無線株式会社 電流源回路
US7728675B1 (en) 2006-03-31 2010-06-01 Cypress Semiconductor Corporation Fast lock circuit for a phase lock loop
US7884680B2 (en) * 2008-06-30 2011-02-08 Infineon Technologies Ag Dynamically adjustable Q-factors
JP2014089487A (ja) * 2011-02-18 2014-05-15 Panasonic Corp パワーデバイス装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6030125B2 (ja) * 1974-07-04 1985-07-15 ソニー株式会社 可変リアクタンス回路
US3963996A (en) * 1974-09-05 1976-06-15 Zenith Radio Corporation Oscillation system for integrated circuit
JPS5717533Y2 (en]) * 1976-02-27 1982-04-13
US4063193A (en) * 1976-10-12 1977-12-13 National Semiconductor Corporation Differential transistor pair integrated circuit oscillator with L-C tank circuit
JPS53111264A (en) * 1977-03-10 1978-09-28 Sony Corp Oscillator
JPS5599805A (en) * 1979-01-24 1980-07-30 Toshiba Corp Voltage control type oscillation circuit
US4270102A (en) * 1979-04-26 1981-05-26 General Electric Company Integrated circuit FM local oscillator with AFC control and temperature compensation

Also Published As

Publication number Publication date
JPS57133705A (en) 1982-08-18
US4492934A (en) 1985-01-08

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