SG190039A1 - Switchable filter - Google Patents

Switchable filter Download PDF

Info

Publication number
SG190039A1
SG190039A1 SG2013032420A SG2013032420A SG190039A1 SG 190039 A1 SG190039 A1 SG 190039A1 SG 2013032420 A SG2013032420 A SG 2013032420A SG 2013032420 A SG2013032420 A SG 2013032420A SG 190039 A1 SG190039 A1 SG 190039A1
Authority
SG
Singapore
Prior art keywords
filter
partial
port
structures
electrically connected
Prior art date
Application number
SG2013032420A
Other languages
English (en)
Inventor
James Quek
Beng Chuan Ng
Original Assignee
Epcos Ag
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 Epcos Ag filed Critical Epcos Ag
Publication of SG190039A1 publication Critical patent/SG190039A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • H03H9/725—Duplexers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
    • H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2250/00—Indexing scheme relating to dual- or multi-band filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Electronic Switches (AREA)
  • Transceivers (AREA)
  • Transmitters (AREA)
SG2013032420A 2010-10-28 2010-10-28 Switchable filter SG190039A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/066383 WO2012055439A1 (en) 2010-10-28 2010-10-28 Switchable filter

Publications (1)

Publication Number Publication Date
SG190039A1 true SG190039A1 (en) 2013-06-28

Family

ID=44210547

Family Applications (1)

Application Number Title Priority Date Filing Date
SG2013032420A SG190039A1 (en) 2010-10-28 2010-10-28 Switchable filter

Country Status (3)

Country Link
DE (1) DE112010005961T5 (de)
SG (1) SG190039A1 (de)
WO (1) WO2012055439A1 (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5848531A (ja) * 1981-09-18 1983-03-22 Matsushita Electric Ind Co Ltd 高周波スイツチ
JP2647737B2 (ja) * 1990-10-02 1997-08-27 太陽誘電株式会社 スイッチ回路及びこれを用いた信号減衰回路
US5365207A (en) * 1992-12-31 1994-11-15 Motorola, Inc. Multi-bandwidth saw filter
KR970007887B1 (en) * 1994-11-30 1997-05-17 Samsung Electronics Co Ltd Tuner device for multi broadcasting receiver
DE19512251C2 (de) 1995-03-31 1997-04-03 Siemens Ag Interdigitalwandler für ein Oberflächenfilter
US8614769B2 (en) * 2005-01-28 2013-12-24 Nxp, B.V. Intermediate frequency processing device for processing both analogue and digital television intermediate frequency signals
TW200713681A (en) * 2005-09-26 2007-04-01 Murata Manufacturing Co High-frequency front end module, and duplexer

Also Published As

Publication number Publication date
DE112010005961T5 (de) 2014-02-13
WO2012055439A1 (en) 2012-05-03

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