DE69412526D1 - Abstimmbare Vorrichtung - Google Patents

Abstimmbare Vorrichtung

Info

Publication number
DE69412526D1
DE69412526D1 DE69412526T DE69412526T DE69412526D1 DE 69412526 D1 DE69412526 D1 DE 69412526D1 DE 69412526 T DE69412526 T DE 69412526T DE 69412526 T DE69412526 T DE 69412526T DE 69412526 D1 DE69412526 D1 DE 69412526D1
Authority
DE
Germany
Prior art keywords
tunable device
tunable
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 - Lifetime
Application number
DE69412526T
Other languages
English (en)
Inventor
Adrianus Sempel
Johannes Van Nieuwenburg
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Philips Electronics NV
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 Koninklijke Philips Electronics NV, Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69412526D1 publication Critical patent/DE69412526D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
    • H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
    • 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
    • H03J1/0041—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers
    • H03J1/005—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers in a loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/28—Automatic self-alignment of a receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Television Receiver Circuits (AREA)
  • Superheterodyne Receivers (AREA)
DE69412526T 1993-03-29 1994-03-22 Abstimmbare Vorrichtung Expired - Lifetime DE69412526D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP93200894 1993-03-29

Publications (1)

Publication Number Publication Date
DE69412526D1 true DE69412526D1 (de) 1998-09-24

Family

ID=8213724

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69412526T Expired - Lifetime DE69412526D1 (de) 1993-03-29 1994-03-22 Abstimmbare Vorrichtung

Country Status (4)

Country Link
US (1) US5408196A (de)
EP (1) EP0618676B1 (de)
JP (1) JPH077386A (de)
DE (1) DE69412526D1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3232351B2 (ja) * 1993-10-06 2001-11-26 三菱電機株式会社 デジタル回路装置
JP3276526B2 (ja) * 1995-02-21 2002-04-22 アイコム株式会社 復調回路
US5982228A (en) * 1995-07-14 1999-11-09 Lucent Technologies Inc Frequency tuning apparatus and method for continuous-time filters
JPH09162730A (ja) * 1995-11-29 1997-06-20 Internatl Business Mach Corp <Ibm> Ｐｌｌ回路
EP0914714B1 (de) * 1997-05-23 2004-02-25 Koninklijke Philips Electronics N.V. Empfänger mit einer phasenverriegelten schleife
US6411237B1 (en) 1997-10-21 2002-06-25 Emhiser Research Ltd Nonlinear digital-to-analog converters
WO1999021281A1 (en) * 1997-10-21 1999-04-29 Lautzenhiser Lloyd L Adaptive frequency-hopping oscillators
US6266522B1 (en) * 1998-02-04 2001-07-24 Ericsson Inc. Apparatus and methods for tuning bandpass filters
GB9814803D0 (en) * 1998-07-09 1998-09-09 Pace Micro Tech Ltd Frequency adjustment
JP3254427B2 (ja) * 1998-10-09 2002-02-04 インターナショナル・ビジネス・マシーンズ・コーポレーション Ｖｃｏ特性のキャリブレーション方法
GB2344710B (en) * 1998-12-09 2002-05-15 Mitel Semiconductor Ltd Improvements in or relating to demodulator alignment correction in tuners
CN1254011C (zh) * 2000-07-12 2006-04-26 松下电器产业株式会社 滤波器自动调整电路
US7050778B1 (en) * 2000-09-18 2006-05-23 Broadcom Corporation Direct conversion turner
JP2002208869A (ja) * 2001-01-09 2002-07-26 Sony Corp マルチバンド無線信号送受信装置
US6885853B2 (en) * 2001-04-11 2005-04-26 National Scientific Corporation Communications receiver with integrated IF filter and method therefor
US6978125B2 (en) * 2001-07-05 2005-12-20 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for tuning pre-selection filters in radio receivers
AU2002316851A1 (en) * 2001-04-17 2002-10-28 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for tuning rf-filters in radio receivers
US6825713B2 (en) * 2001-12-11 2004-11-30 International Business Machines Corporation System and method for bandwidth estimation of an integrated filter
US7702306B2 (en) * 2003-08-28 2010-04-20 Broadcom Corporation Apparatus and method for local oscillator calibration in mixer circuits
US7738617B1 (en) * 2004-09-29 2010-06-15 Pmc-Sierra, Inc. Clock and data recovery locking technique for large frequency offsets
US7148754B2 (en) * 2004-12-30 2006-12-12 Lucent Technologies Inc. Self-tunable phase lock loop
ATE535065T1 (de) 2005-08-02 2011-12-15 Rf Magic Inc System und verfahren zum vermindern des phasenziehens in einem mehrfrequenzquellensystem
WO2009130673A1 (en) * 2008-04-24 2009-10-29 Nxp B.V. Calibration of communication apparatus
WO2013142121A1 (en) * 2012-03-20 2013-09-26 World Heart Corporation Method and apparatus for sensing of levitated rotor position
KR20160006501A (ko) * 2014-07-09 2016-01-19 삼성전기주식회사 주파수보정 시스템 및 그 보정방법
JP6449683B2 (ja) * 2015-02-27 2019-01-09 株式会社日立国際電気 無線機の同調回路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059187A (en) * 1959-11-02 1962-10-16 Hughes Aircraft Co Frequency storage system
US4001714A (en) * 1975-11-12 1977-01-04 Motorola, Inc. Search and confirm frequency synthesizer
DE2734154C2 (de) * 1977-07-28 1979-05-31 Siemens Ag, 1000 Berlin Und 8000 Muenchen Radargerät mit einem Rauschgenerator und einem im Empfangszweig angeordneten Regelkreis mit Tiefpaßverhalten
US4847569A (en) * 1987-02-20 1989-07-11 Wavetek Corporation Automatic calibration system for a voltage control oscillator
US4855944A (en) * 1987-09-04 1989-08-08 Rockwell International Corporation Noise generator with shaped spectrum
NL8801143A (nl) * 1988-05-02 1989-12-01 Philips Nv Frequentiedemodulatieschakeling.
JP2720076B2 (ja) * 1989-07-17 1998-02-25 京セラ株式会社 直接スペクトラム拡散受信機の自動校正装置
US5179725A (en) * 1991-03-29 1993-01-12 International Business Machines Voltage controlled oscillator with correction of tuning curve non-linearities
US5343168A (en) * 1993-07-09 1994-08-30 Northrop Grumman Corporation Harmonic frequency synthesizer with adjustable frequency offset

Also Published As

Publication number Publication date
EP0618676B1 (de) 1998-08-19
JPH077386A (ja) 1995-01-10
US5408196A (en) 1995-04-18
EP0618676A1 (de) 1994-10-05

Similar Documents

Publication Publication Date Title
DE69412526D1 (de) Abstimmbare Vorrichtung
DE69315359D1 (de) Elektro-optische vorrichtung
DE69428638D1 (de) Elektrooptische Vorrichtung
DE69432435T2 (de) Setzgeräte
NO961757D0 (no) Vacuumlöfte-anordning
DE69406550D1 (de) Elektrolumineszierende vorrichtung
DE69407453T2 (de) Blendenvorrichtung
DE69415480T2 (de) Fahrbare vorrichtung
DE69410460D1 (de) Beheizte vorrichtung
DE69431099T2 (de) Pipettenreinigungseinheit
NO933753D0 (no) Roer-reperasjonsanordning
IT1261545B (it) Dispositivo singolarizzatore
DE9311854U1 (de) Schneideinrichtung
NO932040D0 (no) Varslingsanordning for taksluk
DE69400580D1 (de) Rückstralende Vorrichtung
NO961179D0 (no) Innstillingsinnretning
DE9302034U1 (de) Warnvorrichtung
KR950005362U (ko) 김밥 성형 장치
KR950005513U (ko) 쿳션장치
KR950010962U (ko) 티이업장치
DE9314396U1 (de) Leuchte-relevante Vorrichtung
DE69317911T2 (de) Rückverfahrbare vorrichtung
DE9312863U1 (de) Zeichengerät
ATE160450T1 (de) Elektro-optische vorrichtung
DE9317725U1 (de) Illustrationsgerät

Legal Events

Date Code Title Description
8332 No legal effect for de