DE69216554T2 - Verfahren und Einrichtung zur automatischen Abstimmkalibrierung von elektronisch abgestimmten Filtern - Google Patents

Verfahren und Einrichtung zur automatischen Abstimmkalibrierung von elektronisch abgestimmten Filtern

Info

Publication number
DE69216554T2
DE69216554T2 DE69216554T DE69216554T DE69216554T2 DE 69216554 T2 DE69216554 T2 DE 69216554T2 DE 69216554 T DE69216554 T DE 69216554T DE 69216554 T DE69216554 T DE 69216554T DE 69216554 T2 DE69216554 T2 DE 69216554T2
Authority
DE
Germany
Prior art keywords
automatic tuning
tuned filters
electronically tuned
tuning calibration
calibration
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
DE69216554T
Other languages
English (en)
Other versions
DE69216554D1 (de
Inventor
Robert Henry Bickley
Michael Newton Pickett
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.)
General Dynamics Mission Systems Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of DE69216554D1 publication Critical patent/DE69216554D1/de
Application granted granted Critical
Publication of DE69216554T2 publication Critical patent/DE69216554T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range
    • H03J3/32—Arrangements for ensuring tracking with variable capacitors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
    • H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
    • H03J5/0254—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being transfered to a D/A converter
    • 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
    • H03J1/0033—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for voltage synthesis with a D/A converter
    • 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
    • H03J2200/16—Interpolation of control values for varicaps

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)
DE69216554T 1991-11-04 1992-10-14 Verfahren und Einrichtung zur automatischen Abstimmkalibrierung von elektronisch abgestimmten Filtern Expired - Lifetime DE69216554T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78717291A 1991-11-04 1991-11-04

Publications (2)

Publication Number Publication Date
DE69216554D1 DE69216554D1 (de) 1997-02-20
DE69216554T2 true DE69216554T2 (de) 1997-07-10

Family

ID=25140629

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69216554T Expired - Lifetime DE69216554T2 (de) 1991-11-04 1992-10-14 Verfahren und Einrichtung zur automatischen Abstimmkalibrierung von elektronisch abgestimmten Filtern

Country Status (4)

Country Link
US (1) US5822687A (de)
EP (1) EP0540908B1 (de)
JP (1) JPH05327418A (de)
DE (1) DE69216554T2 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1270425B (it) * 1993-06-07 1997-05-05 Mivar S R L Dispositivo sintonizzatore per un ricevitore di segnali radioelettrici di tipo autoallineante con bobine ottenute per stampaggio
JPH09289467A (ja) * 1996-04-23 1997-11-04 Oki Electric Ind Co Ltd 移動通信機の高周波受信回路
JPH1013181A (ja) * 1996-06-21 1998-01-16 Nec Corp Ｉｆフィルタ自動整合方式
US6014554A (en) * 1997-09-30 2000-01-11 Lucent Technologies, Inc. Method and apparatus for tuning analog filters
US6088581A (en) * 1998-03-27 2000-07-11 Motorola, Inc. Method and apparatus for reducing amplitude modulated interference in a receiver
US6278953B1 (en) * 1998-10-20 2001-08-21 Lucent Technologies, Inc. Automated alignment system
DE19918057C2 (de) * 1999-04-21 2002-11-07 Infineon Technologies Ag Vorrichtung zur Einstellung der Abstimmspannung von Abstimmschwingkreisen
JP2001156591A (ja) * 1999-11-25 2001-06-08 Alps Electric Co Ltd 能動フィルタ及びその帯域調整方法
JP2001218120A (ja) * 2000-01-02 2001-08-10 Alps Electric Co Ltd ケーブルテレビジョン送信機の周波数変換回路
US7050778B1 (en) * 2000-09-18 2006-05-23 Broadcom Corporation Direct conversion turner
US7054606B1 (en) * 2001-09-21 2006-05-30 Lsi Logic Corporation Digitally calibrated narrowband filter with analog channel compensation
EP1440539A4 (de) * 2001-09-27 2009-08-26 Broadcom Corp Stark integrierte medien zugriffsregelung
US6915114B2 (en) * 2002-05-07 2005-07-05 Broadcom, Corp. Direct tuning of embedded integrated circuit components
US20060063503A1 (en) * 2002-06-17 2006-03-23 Koninklikle Phillips Electronics Nv Receiver and tuner with electronically tuned filter
JP2004088609A (ja) * 2002-08-28 2004-03-18 Sharp Corp 周波数変換装置
DE10321200B3 (de) * 2003-05-12 2005-02-03 Infineon Technologies Ag Einrichtung und Verfahren zur Kalibrierung von R/C-Filterschaltungen
US20040230997A1 (en) * 2003-05-13 2004-11-18 Broadcom Corporation Single-chip cable set-top box
US7336939B2 (en) * 2003-05-21 2008-02-26 Broadcom Corporation Integrated tracking filters for direct conversion and low-IF single conversion broadband filters
US20050040909A1 (en) * 2003-08-20 2005-02-24 Waight Matthew Glenn Broadband integrated digitally tunable filters
US7702306B2 (en) * 2003-08-28 2010-04-20 Broadcom Corporation Apparatus and method for local oscillator calibration in mixer circuits
US7587175B2 (en) * 2003-10-20 2009-09-08 Broadcom Corporation Radio frequency unit analog level detector and feedback control system
JP4294455B2 (ja) * 2003-12-03 2009-07-15 パイオニア株式会社 受信機
US7894790B2 (en) * 2004-04-02 2011-02-22 Broadcom Corporation Dual conversion receiver with reduced harmonic interference
US8732788B2 (en) * 2004-05-21 2014-05-20 Broadcom Corporation Integrated set-top box
US8578434B2 (en) * 2004-05-21 2013-11-05 Broadcom Corporation Integrated cable modem
US8239914B2 (en) * 2004-07-22 2012-08-07 Broadcom Corporation Highly integrated single chip set-top box
ATE524879T1 (de) * 2005-07-21 2011-09-15 Telegent Systems Inc Abstimmbares filter mit verstärkter vorspannung und laufzeitkalibrierung
CN101297491B (zh) * 2005-10-27 2011-11-23 Nxp股份有限公司 用于带通滤波器的具有前向/后向机制的校准装置及方法
US7995981B2 (en) * 2005-10-31 2011-08-09 Silicon Laboratories Inc. Receiver with image rejection calibration at an undesired picture carrier and method therefor
US20070294738A1 (en) * 2006-06-16 2007-12-20 Broadcom Corporation Single chip cable set-top box supporting DOCSIS set-top Gateway (DSG) protocol and high definition advanced video codec (HD AVC) decode
US7577413B2 (en) * 2006-09-19 2009-08-18 Silicon Laboratories, Inc. Method and apparatus for calibrating a filter of a receiver
US7660566B2 (en) * 2006-09-29 2010-02-09 Visteon Global Technologies, Inc. System for creating a programmable tuning voltage
US7937058B2 (en) * 2006-10-18 2011-05-03 Freescale Semiconductor, Inc. Controlling the bandwidth of an analog filter
US20090163162A1 (en) * 2007-12-19 2009-06-25 Hoffman Stephen W Direct conversion receiving architecture with an integrated tuner self alignment function
JP4968146B2 (ja) * 2008-03-31 2012-07-04 ソニー株式会社 放送信号受信機およびその受信制御方法、並びにｉｃ
WO2010041202A1 (en) * 2008-10-07 2010-04-15 Nxp B.V. Reduction method and apparatus
US20100306814A1 (en) * 2009-05-26 2010-12-02 Broadcom Corporation Integrated Set-Top Box with Daisy-Chaining
CN102484578A (zh) * 2009-05-29 2012-05-30 汤姆森特许公司 用于卫星系统的改进的同步检测和频率恢复

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4368541A (en) * 1980-06-30 1983-01-11 Evans Robert M Multiplexing arrangement for a plurality of voltage controlled filters
US4334323A (en) * 1980-09-08 1982-06-08 Zenith Radio Corporation Self tracking tuner
DE3242965C1 (de) * 1982-11-20 1984-05-30 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Abstimmeinheit fuer Geraete der Nachrichtentechnik
DE3303711C2 (de) * 1983-02-04 1985-01-24 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Abstimmeinheit für Geräte der Nachrichtentechnik
DE3308690A1 (de) * 1983-03-11 1984-09-13 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Verfahren zum abstimmen der schwingkreise eines nachrichtenempfangsgeraetes
US4780909A (en) * 1985-07-02 1988-10-25 Matsushita Electric Industrial Co. Ltd. Signal receiver having automatic frequency characteristic adjusting capability
US5031131A (en) * 1988-11-14 1991-07-09 Eaton Corporation Direct digital synthesizer
US5101509A (en) * 1990-09-14 1992-03-31 Ford Motor Company Rf filter alignment using digital processor clock

Also Published As

Publication number Publication date
DE69216554D1 (de) 1997-02-20
EP0540908A1 (de) 1993-05-12
EP0540908B1 (de) 1997-01-08
US5822687A (en) 1998-10-13
JPH05327418A (ja) 1993-12-10

Similar Documents

Publication Publication Date Title
DE69216554T2 (de) Verfahren und Einrichtung zur automatischen Abstimmkalibrierung von elektronisch abgestimmten Filtern
DE69630626D1 (de) Katheter mit Filter und Vorrichtung zur Abfuhr von Thromben
DE69133585D1 (de) Einrichtung und Verfahren zur Herstellungssteuerung
DE69118486T2 (de) Verfahren und einrichtung zur adaptiven filterung einer audioresonanzfrequenz
DE69329950D1 (de) Vorrichtung und verfahren zur bestimmung der kalziumkonzentration
DE69230022D1 (de) Verfahren und Vorrichtung zur Gewinnung von Objekttypen
DE69214883D1 (de) Vorrichtung zur Bereichseinstellung bei FM-Dauerwelle-Radar
DE69214229T2 (de) Verfahren und Vorrichtung zur Kontrastverbesserung von Bildern
DE69218536T2 (de) Verfahren und Gerät zur Spektrenvergleichung
DE69230791T2 (de) Verfahren und vorrichtung zur kommunikation mit signalen
DE19681072T1 (de) Verstärkerschaltung und Verfahren zur Abstimmung der Verstärkerschaltung
DE59305487D1 (de) Vorrichtung zur längenkorrektur von mechanisch-flexiblen fernbetätigungen
DE69331352T2 (de) Fernbedienungsgerät und Verfahren zur wahlweisen Einstellung von Fernbedienungssignalen
DE69427693D1 (de) Verfahren und einrichtung zur echokompensation mit mehreren kaskadierten adaptiven filtern
DE59405116D1 (de) Verfahren und vorrichtung zur fernbedienung
DE4497995T1 (de) Vorrichtung und Verfahren zur Frequenzmessung
DE69224764T2 (de) Verfahren und Vorrichtung zur Beurteilung von automatischen Herstellungsmöglichkeiten
DE69108875D1 (de) Verfahren und Vorrichtung zur adaptiven Regelung des Luft-Kraftstoff-Verhältnisses.
DE69320179T2 (de) Verfahren und vorrichtung zur raumüberwachung
DE68924295D1 (de) Einrichtung und Verfahren zur Erhöhung des Fernsehsignalübergangs.
DE69128013T2 (de) Vorrichtung und Verfahren zur Frequenzteilung mit variablem Frequenzteilungverhältnis
DE69028779D1 (de) Verfahren und vorrichtung zur zugkraftregelung
DE69407030D1 (de) Verfahren und vorrichtung zur kontrolle der entwaesserung von suspensionen
ATA30290A (de) Verfahren und einrichtung zur signalauswertung
DE69210788T2 (de) Gerät und Verfahren zur Toleranzbestimmung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: GENERAL DYNAMICS DECISION SYSTEMS, INC. (N.D.GES.D