JP2001068970A - 発振器の制御方法 - Google Patents

発振器の制御方法

Info

Publication number
JP2001068970A
JP2001068970A JP2000226769A JP2000226769A JP2001068970A JP 2001068970 A JP2001068970 A JP 2001068970A JP 2000226769 A JP2000226769 A JP 2000226769A JP 2000226769 A JP2000226769 A JP 2000226769A JP 2001068970 A JP2001068970 A JP 2001068970A
Authority
JP
Japan
Prior art keywords
frequency
signal
local oscillator
range
receiver
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.)
Pending
Application number
JP2000226769A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001068970A5 (https=
Inventor
Robert P Parker
ロバート・ピー・パーカー
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.)
Bose Corp
Original Assignee
Bose Corp
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 Bose Corp filed Critical Bose Corp
Publication of JP2001068970A publication Critical patent/JP2001068970A/ja
Publication of JP2001068970A5 publication Critical patent/JP2001068970A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
JP2000226769A 1999-07-29 2000-07-27 発振器の制御方法 Pending JP2001068970A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/364241 1999-07-29
US09/364,241 US7127010B1 (en) 1999-07-29 1999-07-29 Oscillator controlling

Publications (2)

Publication Number Publication Date
JP2001068970A true JP2001068970A (ja) 2001-03-16
JP2001068970A5 JP2001068970A5 (https=) 2007-09-13

Family

ID=23433652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000226769A Pending JP2001068970A (ja) 1999-07-29 2000-07-27 発振器の制御方法

Country Status (4)

Country Link
US (1) US7127010B1 (https=)
EP (1) EP1075083A1 (https=)
JP (1) JP2001068970A (https=)
CN (1) CN1175585C (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004041246A1 (de) * 2004-08-26 2006-03-02 Robert Bosch Gmbh Rundfunkempfänger
JP4798399B2 (ja) * 2006-04-21 2011-10-19 日本電気株式会社 直流オフセット補正装置および直流オフセット補正方法
US7881688B1 (en) * 2006-09-29 2011-02-01 Marvell International Ltd. Method and apparatus for controlling a local oscillator
US8046015B2 (en) * 2007-07-20 2011-10-25 General Instrument Corporation Adaptive tuning to improve demodulator performance
CN103188175B (zh) * 2011-12-30 2018-05-04 国民技术股份有限公司 一种频率补偿电路、解调系统及解调方法
CN105099400B (zh) * 2015-07-20 2021-09-14 联想(北京)有限公司 一种频率设置方法及系统

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794925A (en) * 1972-06-27 1974-02-26 Gen Res Electronics Inc Frequency-skipping system for a signal-seeking receiver
US3883807A (en) * 1974-05-30 1975-05-13 Motorola Inc Tuning control system
JPS588617B2 (ja) * 1975-03-13 1983-02-16 ソニー株式会社 ジユシンキ
GB1529116A (en) * 1976-06-25 1978-10-18 Indesit Receiver having a device for tuning the receiver to a selected signal frequency for reception by the receiver
JPS588771B2 (ja) * 1977-01-25 1983-02-17 三洋電機株式会社 プリセツトチユ−ナ
US4245348A (en) * 1977-05-27 1981-01-13 General Research Of Electronics, Inc. Center frequency tuning system for radio-frequency signal receiver
US4163259A (en) * 1977-12-14 1979-07-31 Zenith Radio Corporation Windowed tuning system with synchronous detector
JPS5534507A (en) * 1978-09-01 1980-03-11 Hitachi Ltd Electronic tuning television picture receiver
US4384365A (en) * 1978-10-16 1983-05-17 Licentia Patent-Verwaltungs-G.M.B.H. Superheterodyne receiver frequency tracking circuit
US4272729A (en) * 1979-05-10 1981-06-09 Harris Corporation Automatic pretuning of a voltage controlled oscillator in a frequency synthesizer using successive approximation
JPS60117927A (ja) 1983-11-30 1985-06-25 Clarion Co Ltd シンセサイザ受信機
US4602225A (en) * 1984-06-24 1986-07-22 Hewlett Packard Company Apparatus for frequency correction in a frequency synthesizer
US4748684A (en) * 1986-06-03 1988-05-31 Information Resources, Inc. Fast tuning control for a television system
US5134720A (en) * 1987-09-17 1992-07-28 Amskan Limited Signal locating apparatus
US4959872A (en) * 1988-06-23 1990-09-25 Kabushiki Kaisha Toshiba Automatic frequency control apparatus for FM receivers
GB2237157A (en) * 1989-10-20 1991-04-24 Marconi Instruments Ltd Control of frequency modulators
US5125105A (en) * 1989-11-30 1992-06-23 Ford Motor Company High-quality reception indicating circuit for fm receivers
JPH03293824A (ja) 1990-04-12 1991-12-25 Pioneer Electron Corp ラジオ受信機
US5307515A (en) * 1991-08-05 1994-04-26 Ford Motor Company Adjacent channel controller for radio receiver
US5280638A (en) * 1991-09-06 1994-01-18 Ford Motor Company RF filter self-alignment for multiband radio receiver
JP2989422B2 (ja) * 1992-07-01 1999-12-13 クラリオン株式会社 受信装置
DE4236621A1 (de) 1992-10-29 1994-05-05 Becker Autoradio Verfahren zur Abstimmung eines Rundfunkempfängers
JPH08125566A (ja) * 1994-10-20 1996-05-17 Toshiba Corp ヘテロダイン方式受信機
US5465410A (en) * 1994-11-22 1995-11-07 Motorola, Inc. Method and apparatus for automatic frequency and bandwidth control
FR2729518B1 (fr) * 1995-01-13 1997-06-06 Sgs Thomson Microelectronics Boucle a verrouillage de phase de demodulation d'un signal module en frequence
US5825833A (en) * 1995-01-31 1998-10-20 Mitsumi Electric Co., Ltd. Digital and analog reception apparatus
JPH09294088A (ja) * 1996-04-26 1997-11-11 Toshiba Corp チューナ回路
JP3042418B2 (ja) * 1996-09-27 2000-05-15 日本電気株式会社 ディジタル受信機の周波数調整方法及び周波数調整回路
KR0181915B1 (ko) * 1996-12-30 1999-04-15 삼성전자주식회사 주파수 자동 조정방법
US6373398B2 (en) * 1997-06-10 2002-04-16 Kabushiki Kaisha Toshiba Automobile tuner system
DK0932251T3 (da) * 1998-01-23 2005-05-23 Siemens Ag Radiosender og radiomodtager
KR100353861B1 (ko) * 1999-11-11 2002-09-26 한국전자통신연구원 주파수 매핑 근사 함수를 이용한 광대역 주파수 자동 채널선택 장치 및 그 방법

Also Published As

Publication number Publication date
CN1175585C (zh) 2004-11-10
CN1291005A (zh) 2001-04-11
EP1075083A1 (en) 2001-02-07
US7127010B1 (en) 2006-10-24

Similar Documents

Publication Publication Date Title
EP2258048B1 (en) Dynamic reference frequency for fractional-n phase-locked loop
US7783259B2 (en) System and method of eliminating or minimizing LO-related interference from tuners
US6393299B1 (en) Radio communication equipment
EP1398930A1 (en) Radio-frequency-signal-receiver and method of manufacturing the same
US20040259518A1 (en) Multi standard transceiver architecture for wlan
US8666349B2 (en) Radio frequency (RF) receiver with dynamic frequency planning and method therefor
US7251468B2 (en) Dynamically matched mixer system with improved in-phase and quadrature (I/Q) balance and second order intercept point (IP2) performance
EP0385181A1 (en) Tuner station selecting apparatus
US20050003773A1 (en) Multiple conversion tuner
CN101018061A (zh) 一种抑制带内杂散的方法及发射机
US8874060B2 (en) Radio frequency (RF) receiver with frequency planning and method therefor
JP2001068970A (ja) 発振器の制御方法
KR100186586B1 (ko) 이동 통신시스템의 주파수 발생장치 및 방법
US5457817A (en) Tuner of a double superheterodyne receiver
EP1489753B1 (en) High frequency signal receiver
US20080113641A1 (en) Radio communication apparatus and frequency generating method thereof
US7643802B2 (en) Mixer circuit and method for reducing an up-conversion mixer leakage
US6950478B1 (en) Transmitter and method having a low sampling frequency for digital to analog conversion
KR100438556B1 (ko) 트라이 모드 이동 단말기에서의 고주파 신호 처리 장치 및방법
EP0655844A2 (en) Method and apparatus for forming intermediate frequency signals
KR900010965Y1 (ko) Catv용 콘버터
US20050212975A1 (en) Television signal transmitter capable of reducing phase noise
JP2001024531A (ja) 受信機
CN116111957A (zh) 避免本振频率牵引及抑制杂散频率的射频本振信号产生方法
JPH06104788A (ja) スーパーヘテロダイン方式の受信機

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070726

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20070726

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20080521

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20080522

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090728

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20100105