ATE421193T1 - Doppelumsetzungstuner mit einem ersten zf-filter ohne genaue mittenfrequenz - Google Patents

Doppelumsetzungstuner mit einem ersten zf-filter ohne genaue mittenfrequenz

Info

Publication number
ATE421193T1
ATE421193T1 AT03761046T AT03761046T ATE421193T1 AT E421193 T1 ATE421193 T1 AT E421193T1 AT 03761046 T AT03761046 T AT 03761046T AT 03761046 T AT03761046 T AT 03761046T AT E421193 T1 ATE421193 T1 AT E421193T1
Authority
AT
Austria
Prior art keywords
filter
passband
dual conversion
conversion tuner
center frequency
Prior art date
Application number
AT03761046T
Other languages
English (en)
Inventor
Jose Esquivel
Richard Ezell
Jan-Michael Stevenson
Original Assignee
Microtune Texas Lp
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 Microtune Texas Lp filed Critical Microtune Texas Lp
Application granted granted Critical
Publication of ATE421193T1 publication Critical patent/ATE421193T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/06—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
    • H03J3/08—Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
    • 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)
  • Circuits Of Receivers In General (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
AT03761046T 2002-06-19 2003-06-10 Doppelumsetzungstuner mit einem ersten zf-filter ohne genaue mittenfrequenz ATE421193T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/174,726 US7634243B1 (en) 2002-06-19 2002-06-19 System and method for providing a dual conversion tuner having a first IF filter without fixed center frequency

Publications (1)

Publication Number Publication Date
ATE421193T1 true ATE421193T1 (de) 2009-01-15

Family

ID=29999036

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03761046T ATE421193T1 (de) 2002-06-19 2003-06-10 Doppelumsetzungstuner mit einem ersten zf-filter ohne genaue mittenfrequenz

Country Status (6)

Country Link
US (1) US7634243B1 (de)
EP (1) EP1540834B1 (de)
AT (1) ATE421193T1 (de)
AU (1) AU2003243459A1 (de)
DE (1) DE60325867D1 (de)
WO (1) WO2004001991A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8787215B1 (en) * 2009-10-07 2014-07-22 Rf Micro Devices, Inc. Combined switch and receive tuner for enhanced LTE-TDD system
JP5825175B2 (ja) * 2012-03-29 2015-12-02 富士通株式会社 無線通信機
US10637234B2 (en) * 2016-06-22 2020-04-28 International Business Machines Corporation ESD protection circuit
US12483449B2 (en) * 2023-01-31 2025-11-25 Nxp Usa, Inc. Passive equalizer

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641010B2 (de) 1972-06-14 1981-09-25
US4581643A (en) * 1983-07-25 1986-04-08 Rca Corporation Double conversion television tuner with frequency response control provisions
GB2148064B (en) * 1983-10-14 1986-11-19 Philips Electronic Associated Image rejection mixer circuit
US5204972A (en) 1989-07-18 1993-04-20 Nec Corporation Arrangement for compensating for temperature dependent performance characteristics of surface acoustic wave filter
US5329319A (en) 1991-02-20 1994-07-12 Zenith Electronics Corporation Stabilized frequency and phase locked loop with saw devices on common substrate
US5278529A (en) * 1992-02-13 1994-01-11 Itt Corporation Broadband microstrip filter apparatus having inteleaved resonator sections
US5507025A (en) * 1993-11-02 1996-04-09 Winegard Company Method and apparatus for satellite receiver with variable predetection bandwidth
AU2147900A (en) 1998-11-12 2000-05-29 Broadcom Corporation Fully integrated tuner architecture
GB0020528D0 (en) * 2000-08-22 2000-10-11 Mitel Semiconductor Ltd Multiple conversion tuner
US6888580B2 (en) * 2001-02-27 2005-05-03 Ati Technologies Inc. Integrated single and dual television tuner having improved fine tuning
GB0110497D0 (en) * 2001-04-28 2001-06-20 Mitel Semiconductor Ltd Tuner and method of aligning a tuner
US6970689B2 (en) * 2002-02-15 2005-11-29 Broadcom Corporation Programmable mixer for reducing local oscillator feedthrough and radio applications thereof
US7340232B2 (en) * 2003-12-02 2008-03-04 Renesas Technology Corp. Receiving system and semiconductor integrated circuit device for processing wireless communication signal

Also Published As

Publication number Publication date
EP1540834B1 (de) 2009-01-14
US7634243B1 (en) 2009-12-15
AU2003243459A1 (en) 2004-01-06
EP1540834A1 (de) 2005-06-15
DE60325867D1 (de) 2009-03-05
WO2004001991A1 (en) 2003-12-31

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Legal Events

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