KR840004989A - 텔레비젼 수상기용 국부발진회로 - Google Patents

텔레비젼 수상기용 국부발진회로 Download PDF

Info

Publication number
KR840004989A
KR840004989A KR1019830002270A KR830002270A KR840004989A KR 840004989 A KR840004989 A KR 840004989A KR 1019830002270 A KR1019830002270 A KR 1019830002270A KR 830002270 A KR830002270 A KR 830002270A KR 840004989 A KR840004989 A KR 840004989A
Authority
KR
South Korea
Prior art keywords
potential
local oscillation
television receiver
capacitance
oscillation circuit
Prior art date
Application number
KR1019830002270A
Other languages
English (en)
Other versions
KR910002979B1 (ko
Inventor
구이 리아(외 1) 제프리
Original Assignee
글렌 에이취. 브르스틀
알 씨 에이 코포레이션
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 글렌 에이취. 브르스틀, 알 씨 에이 코포레이션 filed Critical 글렌 에이취. 브르스틀
Publication of KR840004989A publication Critical patent/KR840004989A/ko
Application granted granted Critical
Publication of KR910002979B1 publication Critical patent/KR910002979B1/ko

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
    • 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
    • H03B5/1203—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 being a single transistor
    • 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
    • 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
    • H03B2200/003—Circuit elements of oscillators
    • H03B2200/004—Circuit elements of oscillators including a variable capacitance, e.g. a varicap, a varactor or a variable capacitance of a diode or transistor
    • 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

Landscapes

  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Superheterodyne Receivers (AREA)

Abstract

내용 없음

Description

텔레비젼 수상기용 국부발진회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명을 구체화시키는 발진회로의 개요도.
제2도는 제1도의 회로동작에 대한 그래프.
제3도는 제1도의 회로를 변형시킨 도면.

Claims (7)

  1. 전기신호원(20) 및 제어전위원(VT)과, 인덕턴스(L1) 및 전극사이에서 캐패시턴스를 나타내는 제1, 제2전극을 가지며, 이 캐패시턴스의 값은 각 캐패시턴스 수단에 인가된 제어전위에 응답하는 제1(CD1), 제2(CD2)가변 캐패시턴스 수단으로 이루어진 공진회로(10)와 전기 신호원(20)을 상기 공진회로에 연결시기 위한 수단(C1,12)과, 상기 제어전위원을 제1, 제2캐패시턴스 수단 각각에 인가시키기 위한 수단(R1,R2,R3,R1,R2,R3,R9,R9)등을 구비하는 회로 구성에 있어서, 상기 제1캐패시턴스 수단(CD1)에 인가된 전위는 선정된 양에 대해 제2캐패시턴스 수단(CD2)에 인가된 전위와는 다르도록 하는 수단을 구비하는 것을 특징으로 하는 텔레비젼 수상기용 국부 발진회로.
  2. 상기 전기 신호원이 증폭수단(T1,R4,R5)을 발진시키기 위한 재생 귀환선로(R4,R5,10)를 갖는 증폭수단(T1,R4,R5)을 구비하는 제1항에 의한 회로배열에 있어서, 상기 증폭수단(T1,R4,R5)이 발진하는 주파수를 결정하는 공진회로(10)와 주파수 제어 신호원이 제어전위(VT)와, 상기 제어 신호의 값에 영향을 받지 않는 상이한 크기를 갖는 제1, 제2 공정 전위를 제1, 제2캐패시턴스 다이오드(CD1,CD2)의 제2전극에 인가시키기 위한 주파수 조정수단(R8,R9,L1)을 포함하는 야기수단등을 구비하는 것을 특징으로 하는 텔레비젼 수상기용 국부 발진회로.
  3. 제1항에 의한 회로 구성에 있어서, 상기 제1, 제2캐패시터 수단(CD1,CD2)이 함께 연결된 제1전극 각각에 직렬로 연결되며, 상기 전위가 인가수단(R1,R2,R3,R1,R2,R3,,R8,R9)에 의해 제1전극의 상호 연결부(14)에 인가되는 것을 특징으로 하는 텔레비젼 수상기용 국부 발진회로.
  4. 제1항 또는 제3항에 의한 회로 구성에 있어서, 상기 야기수단(R2,R3,16,R2,R3,R8,R9)이 제어전위의 선정부분을 상기 제1캐패시터수단(CD1)에 인가시키는 인가수단(R1,R2,R3,R1,R2,R3,R8,R9)에 협력하는 것을 특징으로하는 텔레비젼 수상기용 국부 발진회로.
  5. 제4항에 의한 회로 구성에 있어서, 상기 제어 전위의 선정 부분이 상기 제1캐패시터 수단(CD1)의 제2전극(16)에 인가되는 것을 특징으로 하는 텔레비젼 수상기용 국부 발진회로.
  6. 제1항이나 제3항의 회로 구성에 있어서, 야기수단(R2,R3,16,R2,R3,R8,R9)이 제어 전위에 부가된 상기 제어 전위에 의해 영향을 받지않는 더 많은 전위를 상기 제1캐패시턴스 수단(CD1)에 인가하는 것을 특징으로 하는 텔레비젼 수상기용 국부 발진회로.
  7. 제6항에 의한 회로 구성에 있어서, 상기 부가된 전위가 제1캐패시티 수단(CD1)의 제2전국(16)에 인가되는 것을 특징으로 하는 텔레비젼 수상기용 국부 발진회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019830002270A 1982-05-24 1983-05-24 텔레비젼 수상기용 국부발진회로 KR910002979B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/381,735 US4494081A (en) 1982-05-24 1982-05-24 Variable frequency U. H. F. local oscillator for a television receiver
US381,735 1982-05-24
US381735 1995-02-01

Publications (2)

Publication Number Publication Date
KR840004989A true KR840004989A (ko) 1984-10-31
KR910002979B1 KR910002979B1 (ko) 1991-05-11

Family

ID=23506178

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830002270A KR910002979B1 (ko) 1982-05-24 1983-05-24 텔레비젼 수상기용 국부발진회로

Country Status (9)

Country Link
US (1) US4494081A (ko)
JP (1) JPS58222601A (ko)
KR (1) KR910002979B1 (ko)
CA (1) CA1204175A (ko)
DE (1) DE3318536C2 (ko)
FR (1) FR2527406B1 (ko)
GB (1) GB2120886B (ko)
HK (1) HK59791A (ko)
IT (1) IT1171675B (ko)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6038903A (ja) * 1983-08-11 1985-02-28 Matsushita Electric Ind Co Ltd 局部発振回路
JPS6129519U (ja) * 1984-07-26 1986-02-22 ソニー株式会社 可変容量素子用電圧供給回路
US4625183A (en) * 1985-06-21 1986-11-25 Capetronic (Bsr) Ltd. Low-cost VCO using lumped elements in microwave band
DE3690396T1 (ko) * 1985-07-30 1987-08-27
JP2580116B2 (ja) * 1985-12-16 1997-02-12 ソニー株式会社 Ｉｃ化高周波可変周波数発振回路
US4709409A (en) * 1986-08-25 1987-11-24 Ma John Y TVRO receiver with surface mounted high frequency voltage-controlled oscillator
JPS6355632U (ko) * 1986-09-29 1988-04-14
US4743866A (en) * 1986-11-26 1988-05-10 Rca Corporation Wide range oscillator
US4843358A (en) * 1987-05-19 1989-06-27 General Electric Company Electrically positionable short-circuits
JPH01246906A (ja) * 1988-03-29 1989-10-02 Nec Eng Ltd 電圧制御発振器
KR0153379B1 (ko) * 1995-09-26 1998-11-16 김광호 디지탈 무선통신시스템의 업/다운컨버터용 전압제어발진기
GB2339984B (en) * 1998-07-24 2002-05-15 Nec Technologies Multi-band voltage controlled oscillator
US7164329B2 (en) 2001-04-11 2007-01-16 Kyocera Wireless Corp. Tunable phase shifer with a control signal generator responsive to DC offset in a mixed signal
US7154440B2 (en) * 2001-04-11 2006-12-26 Kyocera Wireless Corp. Phase array antenna using a constant-gain phase shifter
US7746292B2 (en) * 2001-04-11 2010-06-29 Kyocera Wireless Corp. Reconfigurable radiation desensitivity bracket systems and methods
US7174147B2 (en) * 2001-04-11 2007-02-06 Kyocera Wireless Corp. Bandpass filter with tunable resonator
US7394430B2 (en) * 2001-04-11 2008-07-01 Kyocera Wireless Corp. Wireless device reconfigurable radiation desensitivity bracket systems and methods
ES2252442T3 (es) * 2001-04-11 2006-05-16 Kyocera Wireless Corp. Dispositivo fero-electrico, ajustable con bajas perdidas y metodo de carazterizacion.
US7221243B2 (en) * 2001-04-11 2007-05-22 Kyocera Wireless Corp. Apparatus and method for combining electrical signals
US6690251B2 (en) * 2001-04-11 2004-02-10 Kyocera Wireless Corporation Tunable ferro-electric filter
US7071776B2 (en) 2001-10-22 2006-07-04 Kyocera Wireless Corp. Systems and methods for controlling output power in a communication device
US7176845B2 (en) * 2002-02-12 2007-02-13 Kyocera Wireless Corp. System and method for impedance matching an antenna to sub-bands in a communication band
US7180467B2 (en) * 2002-02-12 2007-02-20 Kyocera Wireless Corp. System and method for dual-band antenna matching
US7184727B2 (en) * 2002-02-12 2007-02-27 Kyocera Wireless Corp. Full-duplex antenna system and method
US7720443B2 (en) 2003-06-02 2010-05-18 Kyocera Wireless Corp. System and method for filtering time division multiple access telephone communications
US7248845B2 (en) * 2004-07-09 2007-07-24 Kyocera Wireless Corp. Variable-loss transmitter and method of operation
US7548762B2 (en) * 2005-11-30 2009-06-16 Kyocera Corporation Method for tuning a GPS antenna matching network

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1265238B (de) * 1965-04-24 1968-04-04 Telefunken Patent Parallelschwingkreis fuer eine Frequenzmodulationseinrichtung
DE1591121A1 (de) * 1966-03-07 1970-05-14 Fujitsu Ltd Frequenzmodulator
DE1539858B1 (de) * 1966-04-04 1970-04-23 Itt Ind Gmbh Deutsche Schwingkreisanordnung zum Erhoehen der Kapazitaetsvariation von Kapazitaetsdioden
FR1493522A (fr) * 1966-05-27 1967-09-01 Thomson Houston Comp Francaise Perfectionnements aux dispositifs de moudlation
US3492514A (en) * 1967-04-17 1970-01-27 Motorola Inc Voltage variable capacitance range extender
GB1232202A (ko) * 1967-08-14 1971-05-19
DE1791070B2 (de) * 1968-09-06 1976-11-25 Philips Patentverwaltung Gmbh, 2000 Hamburg Eingangsschaltung fuer autorundfunkempfaenger
DE2130095C3 (de) * 1970-07-10 1974-11-14 Autophon Ag, Solothurn (Schweiz) Schaltungsanordnung zur Erzeugung einer in ihrer Frequenz intermittierend modulierbaren Hochfrequenzschwingung hoher Frequenzgenauigkeit
JPS50104553A (ko) * 1974-01-18 1975-08-18
US4011526A (en) * 1976-01-05 1977-03-08 Motorola, Inc. Temperature compensated surface acoustic wave oscillator
US4074209A (en) * 1976-12-13 1978-02-14 Rca Corporation Wide range frequency modulation of narrow loop bandwidth phase-locked oscillators
JPS54109301A (en) * 1978-02-15 1979-08-27 Matsushita Electric Ind Co Ltd Electronic tuner circuit
JPS6024023Y2 (ja) * 1979-05-18 1985-07-17 三洋電機株式会社 自動周波数制御回路
US4316108A (en) * 1979-09-25 1982-02-16 Rogers Jr Walter M Tracking filter for FM threshold extension
DE2945546C2 (de) * 1979-11-10 1983-09-29 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung für abstimmbare HF-Kreise
FR2494929B1 (fr) * 1980-11-27 1986-04-11 Orega Electro Mecanique Oscillateur hyperfrequence a transistor, accordable par tension
JPS57101402A (en) * 1980-12-16 1982-06-24 Matsushita Electric Ind Co Ltd Voltage controlled variable frequency oscillator
US4375621A (en) * 1981-03-02 1983-03-01 Ael Microtel, Ltd. Circuit for linearizing frequency modulated oscillators on microstrip
US4402089A (en) * 1981-09-16 1983-08-30 Rca Corporation Television tuning system with electronic frequency adjustment apparatus

Also Published As

Publication number Publication date
CA1204175A (en) 1986-05-06
GB2120886B (en) 1986-08-20
JPS58222601A (ja) 1983-12-24
KR910002979B1 (ko) 1991-05-11
JPH0412642B2 (ko) 1992-03-05
IT1171675B (it) 1987-06-10
GB2120886A (en) 1983-12-07
GB8312303D0 (en) 1983-06-08
IT8321144A0 (it) 1983-05-17
US4494081A (en) 1985-01-15
FR2527406A1 (fr) 1983-11-25
FR2527406B1 (fr) 1987-11-27
DE3318536A1 (de) 1983-11-24
DE3318536C2 (de) 1987-01-02
HK59791A (en) 1991-08-09
IT8321144A1 (it) 1984-11-17

Similar Documents

Publication Publication Date Title
KR840004989A (ko) 텔레비젼 수상기용 국부발진회로
KR900004121A (ko) 수신기
JPS6046617A (ja) 無接触動作電子スイツチ
GB1428720A (en) Variable-frequency oscillator having at least two frequency ranges
US2764687A (en) Transistor automatic frequency control
JPS6471211A (en) Multifrequency type static capacitance sensor
US4450416A (en) Voltage controlled oscillator
KR900017275A (ko) 텔레비젼 신호 처리 시스템
KR840001017A (ko) Saw 필터용 임피던스 변환회로망
KR880006845A (ko) 텔레비젼 수상기용 동조장치
KR970703643A (ko) 가변주파수 발진기 회로(variable-frequency oscillator circuit)
KR900017385A (ko) 개조된 동조 특성을 갖는 발진기
KR920001826A (ko) 발진기 출력신호의 진폭제어수단 및 그 수단을 수행하기 위한 회로구조
KR840008899A (ko) 발진기 회로
ATE6329T1 (de) Stromgesteuerter oszillator.
KR840001019A (ko) 위상 고정루프 동조시스템
GB785537A (en) Improvements in or relating to transistor circuits
KR880006835A (ko) 발진기장치
KR880010560A (ko) 증폭기
GB754713A (en) Improvements in or relating to transistor oscillator circuits
KR890013885A (ko) 국부 발진회로
KR880006903A (ko) 발진회로
KR860000748A (ko) 발진기 혼합기 회로
KR850007532A (ko) 마그네트론
SU657623A1 (ru) Сверхрегенератор

Legal Events

Date Code Title Description
N231 Notification of change of applicant
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20010419

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee