DE68909854D1 - Frequenzmodulator. - Google Patents

Frequenzmodulator.

Info

Publication number: DE68909854D1
Authority: DE; Germany
Prior art keywords: frequency modulator; modulator; frequency
Prior art date: 1988-07-11
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

DE89306959T

Other languages

English (en)

Other versions

DE68909854T2 (de

Inventor

Fusahiro Kameoka

Noriaki Omoto

Toshihiro Shogaki

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.)

Panasonic Holdings Corp

Original Assignee

Matsushita Electric Industrial 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.)

1988-07-11

Filing date

1989-07-10

Publication date

1993-11-18

1989-07-10 Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd

1993-11-18 Publication of DE68909854D1 publication Critical patent/DE68909854D1/de

1994-02-10 Application granted granted Critical

1994-02-10 Publication of DE68909854T2 publication Critical patent/DE68909854T2/de

2009-07-11 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/22—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode
- H03C3/222—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode using 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
- H03B5/1231—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
- H03B5/1237—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
- 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
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/006—Functional aspects of oscillators
- H03B2200/0098—Functional aspects of oscillators having a balanced output signal
- 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
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
- H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit
- H03C3/16—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit in which the active element simultaneously serves as the active element of an oscillator

DE89306959T 1988-07-11 1989-07-10 Frequenzmodulator. Expired - Fee Related DE68909854T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP63172121A JPH0221709A (ja)	1988-07-11	1988-07-11	周波数変調器

Publications (2)

Publication Number	Publication Date
DE68909854D1 true DE68909854D1 (de)	1993-11-18
DE68909854T2 DE68909854T2 (de)	1994-02-10

Family

ID=15935943

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE89306959T Expired - Fee Related DE68909854T2 (de)	1988-07-11	1989-07-10	Frequenzmodulator.

Country Status (7)

Country	Link
US (1)	US4959625A (de)
EP (1)	EP0351153B1 (de)
JP (1)	JPH0221709A (de)
KR (1)	KR920010236B1 (de)
AU (1)	AU597201B2 (de)
CA (1)	CA1312125C (de)
DE (1)	DE68909854T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN1034233C (zh) *	1992-09-18	1997-03-12	中国建筑科学研究院珠海科研设计部	闭合拱圈挡土结构及其施工方法
US5525937A (en) *	1992-12-28	1996-06-11	Sony Corporation	Frequency conversion circuit with UHF/VHF common PLL buffer
JPH07176952A (ja) *	1993-12-20	1995-07-14	Sony Corp	発振器
DE69416802T2 (de) *	1993-12-22	1999-07-08	Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka	FM Signal-Demodulator
JP3395482B2 (ja) *	1995-10-06	2003-04-14	ソニー株式会社	発振回路および発振方法
EP0836271B1 (de) *	1996-10-10	2003-01-29	Philips Electronics N.V.	Integrierter Oszillator und einen solchen Oszillator verwendendes Funktelefon
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
US6504443B1 (en)	2000-05-17	2003-01-07	Nec America, Inc.,	Common anode varactor tuned LC circuit
JP2002359519A (ja) *	2001-06-01	2002-12-13	Murata Mfg Co Ltd	電圧制御発振器およびそれを用いた電子装置
JP4365575B2 (ja) *	2002-11-20	2009-11-18	アルプス電気株式会社	テレビジョンチューナの発振回路
DE102012211502B4 (de)	2012-07-03	2015-05-13	Siemens Aktiengesellschaft	Frequenzmodulator und Magnetresonanztomograph mit einem Frequenzmodulator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3371288A (en) *	1965-07-19	1968-02-27	Bell & Howell Co	Period modulation multivibrator circuit
SU445115A1 (ru) *	1972-10-04	1974-09-30	Предприятие П/Я Г-4115	Балансный модул тор
US4063193A (en) *	1976-10-12	1977-12-13	National Semiconductor Corporation	Differential transistor pair integrated circuit oscillator with L-C tank circuit
JPS5842312A (ja) *	1981-09-07	1983-03-11	Yoshiyuki Goto	方形波発振器
US4602224A (en) *	1984-12-20	1986-07-22	Nippon Motorola Ltd.	Variable capacitance reactance circuit

1988
- 1988-07-11 JP JP63172121A patent/JPH0221709A/ja active Granted
1989
- 1989-07-04 KR KR1019890009478A patent/KR920010236B1/ko not_active IP Right Cessation
- 1989-07-05 US US07/375,418 patent/US4959625A/en not_active Expired - Lifetime
- 1989-07-07 CA CA000605133A patent/CA1312125C/en not_active Expired - Lifetime
- 1989-07-07 AU AU37962/89A patent/AU597201B2/en not_active Ceased
- 1989-07-10 DE DE89306959T patent/DE68909854T2/de not_active Expired - Fee Related
- 1989-07-10 EP EP89306959A patent/EP0351153B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
KR900002536A (ko)	1990-02-28
EP0351153B1 (de)	1993-10-13
AU597201B2 (en)	1990-05-24
KR920010236B1 (ko)	1992-11-21
JPH0221709A (ja)	1990-01-24
EP0351153A2 (de)	1990-01-17
EP0351153A3 (en)	1990-09-26
DE68909854T2 (de)	1994-02-10
JPH0549121B2 (de)	1993-07-23
US4959625A (en)	1990-09-25
AU3796289A (en)	1990-01-11
CA1312125C (en)	1992-12-29

Publication	Publication Date	Title
DE68916889D1 (de)	1994-08-25	Frequenzsynthesierer.
NO890378D0 (no)	1989-01-30	Senterfrekvent hoeyopploesnings digital faselaast sloeyfe.
FI891327A0 (fi)	1989-03-21	Roerformig protes.
FI891715L (fi)	1989-10-19	Sigma-delta modulator foer en d/a-omvandlare.
DE68920541D1 (de)	1995-02-23	Optischer Modulator.
FI883790L (fi)	1990-02-17	En kombinerad analog/digital frekvensmodulator.
DE69004770D1 (de)	1994-01-05	Frequenzmodulator.
DE68921897D1 (de)	1995-04-27	Hochfrequenz-Heizapparat.
DE68918918D1 (de)	1994-11-24	Mikrowellenfilter.
DE69032520D1 (de)	1998-09-03	RF-Modulator
DE68901343D1 (de)	1992-06-04	Magnetron.
DE58908588D1 (de)	1994-12-08	Frequenzsynthesegerät.
FI904561A0 (fi)	1990-09-17	Modifierade hydrofila polyestrar.
DE3850075D1 (de)	1994-07-14	Frequenz- oder Phasenmodulation.
FI892357L (fi)	1989-11-20	Pressad spole.
DE68912635D1 (de)	1994-03-10	Frequenzzähler.
DE3861466D1 (de)	1991-02-07	Synchrondemodulator.
DE58907950D1 (de)	1994-07-28	Frequenzsynthesegerät.
DE68903578D1 (de)	1993-01-07	Passivfrequenzstandard.
DE68913331D1 (de)	1994-04-07	Magnetron.
DE68909854D1 (de)	1993-11-18	Frequenzmodulator.
FI894427L (fi)	1990-03-23	Digital frekvensgenerator.
DE69027889D1 (de)	1996-08-29	Modulator
DE68909453D1 (de)	1993-11-04	Frequenzbestimmung.
DE68913289D1 (de)	1994-03-31	Entseuchungsverfahren.

Legal Events

Date	Code	Title
1994-11-10	8364	No opposition during term of opposition
2003-12-18	8320	Willingness to grant licences declared (paragraph 23)
2007-05-16	8339	Ceased/non-payment of the annual fee