FI98168B - Jänniteohjattu LC-oskillaattori - Google Patents

Jänniteohjattu LC-oskillaattori

Info

Publication number
FI98168B
FI98168B FI955673A FI955673A FI98168B FI 98168 B FI98168 B FI 98168B FI 955673 A FI955673 A FI 955673A FI 955673 A FI955673 A FI 955673A FI 98168 B FI98168 B FI 98168B
Authority
FI
Finland
Prior art keywords
oscillator
voltage controlled
voltage
controlled
Prior art date
Application number
FI955673A
Other languages
English (en)
Swedish (sv)
Other versions
FI955673A0 (fi
FI98168C (fi
Inventor
Nikolay Tchamov
Petri Jarske
Original Assignee
Nikolay Tchamov
Petri Jarske
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 Nikolay Tchamov, Petri Jarske filed Critical Nikolay Tchamov
Priority to FI955673A priority Critical patent/FI98168C/fi
Publication of FI955673A0 publication Critical patent/FI955673A0/fi
Priority to US08/755,039 priority patent/US5739729A/en
Publication of FI98168B publication Critical patent/FI98168B/fi
Application granted granted Critical
Publication of FI98168C publication Critical patent/FI98168C/fi

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
    • H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
    • H03B2201/02—Varying the frequency of the oscillations by electronic means
    • H03B2201/0208—Varying the frequency of the oscillations by electronic means the means being an element with a variable capacitance, e.g. capacitance diode
FI955673A 1995-11-24 1995-11-24 Jänniteohjattu LC-oskillaattori FI98168C (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI955673A FI98168C (fi) 1995-11-24 1995-11-24 Jänniteohjattu LC-oskillaattori
US08/755,039 US5739729A (en) 1995-11-24 1996-11-22 Voltage-controlled LC oscillator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI955673 1995-11-24
FI955673A FI98168C (fi) 1995-11-24 1995-11-24 Jänniteohjattu LC-oskillaattori

Publications (3)

Publication Number Publication Date
FI955673A0 FI955673A0 (fi) 1995-11-24
FI98168B true FI98168B (fi) 1997-01-15
FI98168C FI98168C (fi) 1997-04-25

Family

ID=8544436

Family Applications (1)

Application Number Title Priority Date Filing Date
FI955673A FI98168C (fi) 1995-11-24 1995-11-24 Jänniteohjattu LC-oskillaattori

Country Status (2)

Country Link
US (1) US5739729A (fi)
FI (1) FI98168C (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100313748B1 (ko) * 1998-07-13 2001-11-17 구마모토 마사히로 주파수 변환기 및 주파수 변환기를 사용한 무선 통신 시스템
US6362698B1 (en) * 2000-09-29 2002-03-26 Intel Corporation Low impedance clamping buffer for an LC tank VCO
US7583154B1 (en) 2005-09-30 2009-09-01 Cypress Semiconductor Corporation Voltage controlled oscillator
CN114362695B (zh) * 2022-03-17 2022-05-24 壹甲子(成都)通讯有限公司 交流小信号直接驱动的信息传输系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573025A (en) * 1984-04-02 1986-02-25 Motorola, Inc. Drift-equalized, multi-frequency oscillator

Also Published As

Publication number Publication date
US5739729A (en) 1998-04-14
FI955673A0 (fi) 1995-11-24
FI98168C (fi) 1997-04-25

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Legal Events

Date Code Title Description
BB Publication of examined application
MA Patent expired