BE802498A - FILTER OR DELAY LINE WORKING ACCORDING TO THE PRINCIPLE OF SURFACE WAVES - Google Patents

FILTER OR DELAY LINE WORKING ACCORDING TO THE PRINCIPLE OF SURFACE WAVES

Info

Publication number
BE802498A
BE802498A BE133608A BE133608A BE802498A BE 802498 A BE802498 A BE 802498A BE 133608 A BE133608 A BE 133608A BE 133608 A BE133608 A BE 133608A BE 802498 A BE802498 A BE 802498A
Authority
BE
Belgium
Prior art keywords
principle
filter
delay line
surface waves
working according
Prior art date
Application number
BE133608A
Other languages
French (fr)
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of BE802498A publication Critical patent/BE802498A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02992—Details of bus bars, contact pads or other electrical connections for finger electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02874—Means for compensation or elimination of undesirable effects of direct coupling between input and output transducers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
BE133608A 1972-07-18 1973-07-18 FILTER OR DELAY LINE WORKING ACCORDING TO THE PRINCIPLE OF SURFACE WAVES BE802498A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722235233 DE2235233C3 (en) 1972-07-18 1972-07-18 Filter or delay line based on the surface wave principle

Publications (1)

Publication Number Publication Date
BE802498A true BE802498A (en) 1973-11-16

Family

ID=5850962

Family Applications (1)

Application Number Title Priority Date Filing Date
BE133608A BE802498A (en) 1972-07-18 1973-07-18 FILTER OR DELAY LINE WORKING ACCORDING TO THE PRINCIPLE OF SURFACE WAVES

Country Status (7)

Country Link
AT (1) AT339957B (en)
BE (1) BE802498A (en)
DE (1) DE2235233C3 (en)
FR (1) FR2193289B1 (en)
GB (1) GB1441602A (en)
IT (1) IT993581B (en)
NL (1) NL7307898A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4296391A (en) * 1977-10-28 1981-10-20 Hitachi, Ltd. Surface-acoustic-wave filter for channel selection system of television receiver
DE3517254A1 (en) * 1985-05-13 1986-11-13 Siemens AG, 1000 Berlin und 8000 München ELECTRIC FILTER WORKING WITH ACOUSTIC SHAFTS
US4870312A (en) * 1987-02-19 1989-09-26 Hazeltine Corporation Surface wave device having anti-reflective shield
JP3384403B2 (en) * 2001-03-01 2003-03-10 株式会社村田製作所 Surface acoustic wave device, communication device
DE102010008774B4 (en) * 2010-02-22 2015-07-23 Epcos Ag Microacoustic filter with compensated crosstalk and compensation method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3573673A (en) * 1969-01-08 1971-04-06 Zenith Radio Corp Acoustic surface wave filters

Also Published As

Publication number Publication date
DE2235233A1 (en) 1974-01-31
FR2193289B1 (en) 1978-02-17
IT993581B (en) 1975-09-30
NL7307898A (en) 1974-01-22
AT339957B (en) 1977-11-25
GB1441602A (en) 1976-07-07
DE2235233B2 (en) 1977-07-14
DE2235233C3 (en) 1978-03-02
ATA415573A (en) 1977-03-15
FR2193289A1 (en) 1974-02-15

Similar Documents

Publication Publication Date Title
IT962476B (en) IMPROVEMENTS RELATING TO MACCHI OR HARVESTERS
BE785190A (en) PROCESS FOR THE PREPARATION OF COPOLYCARBONATES RESISTANT TO SAPONIFICATION
FR2281005A1 (en) FILTER TAKING ADVANTAGE OF ACOUSTIC SURFACE WAVES
FR2296305A1 (en) SURFACE ACOUSTIC WAVE FILTER
BE788559A (en) FILTER SET
BE785945A (en) ELECTRIC FILTER USING THE PRINCIPLE OF SURFACE WAVES
BE815701R (en) WAVE GUIDE FILTER
ZA738168B (en) Improvements relating to surface finishes
BR7202745D0 (en) N-PATH FILTER
BE806533A (en) PROCEDURE TO PREVENT INCRUSTATIONS
BE854640A (en) LONG-ACTION CEFALEXINE PREPARATION FOR THE EFFECTIVE TREATMENT OF INFECTIONS WITH BACTERIALS SENSITIVE TO CEFALEXINE
BE801525A (en) PIEZOELECTRIC FILTER
FR2350001A1 (en) TRANSDUCER ELECTRODES FOR FILTERS OR DELAY LINES, OPERATING ACCORDING TO THE PRINCIPLE OF SURFACE WAVES
BE819969A (en) FILTER TAKING ADVANTAGE OF ACOUSTIC SURFACE WAVES
BE802498A (en) FILTER OR DELAY LINE WORKING ACCORDING TO THE PRINCIPLE OF SURFACE WAVES
BE821003A (en) SURFACE ACOUSTIC WAVE DEVICE
BE788159A (en) SILICON NITRIDE PICKLING PROCESS
IT956899B (en) PIEZOELECTRIC FILTER THAT WORKS ACCORDING TO THE PRINCIPLE OF SURFACE WAVES
BE819353A (en) FILTER TAKING ADVANTAGE OF ACOUSTIC SURFACE WAVES
BE785364A (en) FUNCTIONAL ELEMENT WORKING FOLLOWING THE PRINCIPLE OF SURFACE WAVES
BE789006A (en) CLEANING PROCESS
BE818398A (en) FILTER TAKING ADVANTAGE OF ACOUSTIC SURFACE WAVES
FR2350000A1 (en) TRANSDUCER ELECTRODES FOR FILTERS OR DELAY LINES OPERATING ACCORDING TO THE PRINCIPLE OF SURFACE WAVES
BE815956A (en) FILTER USING ACOUSTIC SURFACE WAVES
BE796752A (en) ULTRASONIC DELAY LINE