DE68909854T2 - Frequenzmodulator. - Google Patents

Frequenzmodulator.

Info

Publication number
DE68909854T2
DE68909854T2 DE89306959T DE68909854T DE68909854T2 DE 68909854 T2 DE68909854 T2 DE 68909854T2 DE 89306959 T DE89306959 T DE 89306959T DE 68909854 T DE68909854 T DE 68909854T DE 68909854 T2 DE68909854 T2 DE 68909854T2
Authority
DE
Germany
Prior art keywords
frequency modulator
modulator
frequency
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 - Fee Related
Application number
DE89306959T
Other languages
English (en)
Other versions
DE68909854D1 (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.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE68909854D1 publication Critical patent/DE68909854D1/de
Publication of DE68909854T2 publication Critical patent/DE68909854T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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 DE68909854D1 (de) 1993-11-18
DE68909854T2 true 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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012211502A1 (de) * 2012-07-03 2014-01-09 Siemens Aktiengesellschaft Frequenzmodulator und Magnetresonanztomograph mit einem Frequenzmodulator

Families Citing this family (10)

* 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
AU677872B2 (en) * 1993-12-22 1997-05-08 Matsushita Electric Industrial Co., Ltd. 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
DE69718741T2 (de) * 1996-10-10 2003-11-13 Koninkl Philips Electronics Nv 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

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012211502A1 (de) * 2012-07-03 2014-01-09 Siemens Aktiengesellschaft Frequenzmodulator und Magnetresonanztomograph mit einem Frequenzmodulator
DE102012211502B4 (de) * 2012-07-03 2015-05-13 Siemens Aktiengesellschaft Frequenzmodulator und Magnetresonanztomograph mit einem Frequenzmodulator
US9780727B2 (en) 2012-07-03 2017-10-03 Siemens Aktiengesellschaft Frequency modulator and magnetic resonance tomography system with a frequency modulator

Also Published As

Publication number Publication date
JPH0221709A (ja) 1990-01-24
US4959625A (en) 1990-09-25
EP0351153A2 (de) 1990-01-17
JPH0549121B2 (de) 1993-07-23
CA1312125C (en) 1992-12-29
AU597201B2 (en) 1990-05-24
KR900002536A (ko) 1990-02-28
AU3796289A (en) 1990-01-11
EP0351153A3 (en) 1990-09-26
EP0351153B1 (de) 1993-10-13
KR920010236B1 (ko) 1992-11-21
DE68909854D1 (de) 1993-11-18

Similar Documents

Publication Publication Date Title
DE68916889D1 (de) Frequenzsynthesierer.
NO890378L (no) Senterfrekvent hoeyopploesnings digital faselaast sloeyfe.
FI891327A (fi) Roerformig protes.
FI883790A0 (fi) En kombinerad analog/digital frekvensmodulator.
DE69004770T2 (de) Frequenzmodulator.
DE58908588D1 (de) Frequenzsynthesegerät.
DE3850075D1 (de) Frequenz- oder Phasenmodulation.
DE68912635T2 (de) Frequenzzähler.
DE3861466D1 (de) Synchrondemodulator.
DE68909854T2 (de) Frequenzmodulator.
DE68909453T2 (de) Frequenzbestimmung.
DE69027889D1 (de) Modulator
DE68913289D1 (de) Entseuchungsverfahren.
DE68924922T2 (de) Oszillator.
DE3675783D1 (de) Amplitudenmodulator.
DE69022655D1 (de) Frequenzmodulator.
DE58907950D1 (de) Frequenzsynthesegerät.
DE68906482D1 (de) Frequenz-wandler.
FI892397A0 (fi) Modulatorer foer immunresponssystemet.
PT89938A (pt) Modulador de frequencia
DE68917081D1 (de) Hochfrequenz-Oszillator.
DE68918021T2 (de) Klystrode-Frequenzvervielfacher.
DE3852943T2 (de) Mikrowellen-Röhrenmodulator.
FI892082A (fi) Digitalisk modulator.
DE68903961T2 (de) Fassung.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee