CH513552A - Aktives frequenzselektives Filter mit einer akustischen Verzögerungsleitung - Google Patents

Aktives frequenzselektives Filter mit einer akustischen Verzögerungsleitung

Info

Publication number
CH513552A
CH513552A CH499169A CH499169A CH513552A CH 513552 A CH513552 A CH 513552A CH 499169 A CH499169 A CH 499169A CH 499169 A CH499169 A CH 499169A CH 513552 A CH513552 A CH 513552A
Authority
CH
Switzerland
Prior art keywords
delay line
frequency selective
selective filter
active frequency
acoustic delay
Prior art date
Application number
CH499169A
Other languages
English (en)
Inventor
Anthony Beale Julian Robert
Original Assignee
Philips 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 Philips Nv filed Critical Philips Nv
Publication of CH513552A publication Critical patent/CH513552A/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02913—Measures for shielding against electromagnetic fields
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1291—Current or voltage controlled filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/0296—Surface acoustic wave [SAW] devices having both acoustic and non-acoustic properties
    • H03H9/02976—Surface acoustic wave [SAW] devices having both acoustic and non-acoustic properties with semiconductor devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W20/00—Interconnections in chips, wafers or substrates
    • H10W20/40—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
    • H10W20/00—Interconnections in chips, wafers or substrates
    • H10W20/40—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
    • H10W20/497—Inductive arrangements or effects of, or between, wiring layers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Networks Using Active Elements (AREA)
CH499169A 1968-04-02 1969-04-01 Aktives frequenzselektives Filter mit einer akustischen Verzögerungsleitung CH513552A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB05737/68A GB1244652A (en) 1968-04-02 1968-04-02 Frequency selective active arrangements
GB1573769 1969-03-13

Publications (1)

Publication Number Publication Date
CH513552A true CH513552A (de) 1971-09-30

Family

ID=26251512

Family Applications (1)

Application Number Title Priority Date Filing Date
CH499169A CH513552A (de) 1968-04-02 1969-04-01 Aktives frequenzselektives Filter mit einer akustischen Verzögerungsleitung

Country Status (8)

Country Link
AT (1) AT308198B (de)
BE (1) BE730957A (de)
CA (1) CA938734A (de)
CH (1) CH513552A (de)
DE (1) DE1917133C3 (de)
FR (1) FR2007369A1 (de)
GB (1) GB1244652A (de)
NL (1) NL6905002A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5760811B2 (de) * 1975-01-30 1982-12-21 Sony Corp
GB1602782A (en) * 1978-01-24 1981-11-18 Plessey Co Ltd Surface acoustic wave filter arrangement

Also Published As

Publication number Publication date
DE1917133C3 (de) 1978-07-06
AT308198B (de) 1973-06-25
FR2007369A1 (de) 1970-01-09
BE730957A (de) 1969-10-02
NL6905002A (de) 1969-10-06
CA938734A (en) 1973-12-18
GB1244652A (en) 1971-09-02
DE1917133B2 (de) 1977-11-24
DE1917133A1 (de) 1970-02-05

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Legal Events

Date Code Title Description
PL Patent ceased