KR880701493A - 국부발진장치 - Google Patents

국부발진장치

Info

Publication number
KR880701493A
KR880701493A KR1019880700172A KR880700172A KR880701493A KR 880701493 A KR880701493 A KR 880701493A KR 1019880700172 A KR1019880700172 A KR 1019880700172A KR 880700172 A KR880700172 A KR 880700172A KR 880701493 A KR880701493 A KR 880701493A
Authority
KR
South Korea
Prior art keywords
local oscillation
oscillation device
local
oscillation
Prior art date
Application number
KR1019880700172A
Other languages
English (en)
Other versions
KR900007928B1 (ko
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 filed Critical
Publication of KR880701493A publication Critical patent/KR880701493A/ko
Application granted granted Critical
Publication of KR900007928B1 publication Critical patent/KR900007928B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • 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
    • H03B5/18—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance
    • H03B5/1805—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising distributed inductance and capacitance the frequency-determining element being a coaxial resonator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
KR1019880700172A 1986-06-20 1987-06-18 국부발진장치 KR900007928B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP145291 1986-06-20
JP61145291A JPH0787345B2 (ja) 1986-06-20 1986-06-20 局部発振装置
PCT/JP1987/000397 WO1987007991A1 (en) 1986-06-20 1987-06-18 Local oscillation apparatus

Publications (2)

Publication Number Publication Date
KR880701493A true KR880701493A (ko) 1988-07-27
KR900007928B1 KR900007928B1 (ko) 1990-10-23

Family

ID=15381744

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880700172A KR900007928B1 (ko) 1986-06-20 1987-06-18 국부발진장치

Country Status (6)

Country Link
US (1) US4835492A (ko)
JP (1) JPH0787345B2 (ko)
KR (1) KR900007928B1 (ko)
DE (2) DE3790316T (ko)
GB (1) GB2199709B (ko)
WO (1) WO1987007991A1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI914763A0 (fi) * 1991-10-09 1991-10-09 Nokia Mobile Phones Ltd Kompensering av en spaenningsstyrd olineaer komponent i en radiotelefon.
US5418503A (en) * 1993-03-08 1995-05-23 Ericsson Ge Mobile Communications Inc. Compensation of transient frequency drift in oscillator circuits
EP1638202A1 (en) * 2004-09-21 2006-03-22 Dialog Semiconductor GmbH Oscillator with controlled current source

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2129129B2 (de) * 1971-08-11 1979-03-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur erzeugung einer stabilisierten abstimmspannung fuer geraete der elektrischen nachrichtentechnik und zur automatischen nachstimmung durch eine steuerspannung
JPS5838646Y2 (ja) * 1974-12-20 1983-09-01 三洋電機株式会社 Ｕｈｆ チユ−ナノハツシンソウチ
JPS54122705U (ko) * 1978-02-16 1979-08-28
JPS54122705A (en) * 1978-03-15 1979-09-22 Youji Kikata Producing lumber from small diameter wood
JPS5927614A (ja) * 1982-08-07 1984-02-14 Matsushita Electric Ind Co Ltd Ａｆｃ回路調整装置
DE3304181A1 (de) * 1982-10-05 1984-04-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Afc-abstimmschaltung
JPS6074335U (ja) * 1983-10-27 1985-05-24 三洋電機株式会社 ラジオ受信機のａｆｃ回路
JPS6221304A (ja) * 1985-07-22 1987-01-29 Matsushita Electric Ind Co Ltd 局部発振器
JPH05181055A (ja) * 1991-12-27 1993-07-23 Olympus Optical Co Ltd 焦点検出装置
JPH0674335A (ja) * 1992-08-26 1994-03-15 Kubota Corp ベルト式変速装置
JPH0762853B2 (ja) * 1993-02-03 1995-07-05 日本電気株式会社 状態遷移図マクロ接続システム

Also Published As

Publication number Publication date
GB8803235D0 (en) 1988-03-30
DE3790316T (ko) 1988-06-23
DE3790316C2 (ko) 1991-12-12
US4835492A (en) 1989-05-30
WO1987007991A1 (en) 1987-12-30
GB2199709B (en) 1990-04-18
JPH0787345B2 (ja) 1995-09-20
KR900007928B1 (ko) 1990-10-23
JPS632416A (ja) 1988-01-07
GB2199709A (en) 1988-07-13

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Legal Events

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A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
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Payment date: 20001018

Year of fee payment: 11

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