DE1255827B - Kristallfilter - Google Patents

Kristallfilter

Info

Publication number
DE1255827B
DE1255827B DEM54020A DEM0054020A DE1255827B DE 1255827 B DE1255827 B DE 1255827B DE M54020 A DEM54020 A DE M54020A DE M0054020 A DEM0054020 A DE M0054020A DE 1255827 B DE1255827 B DE 1255827B
Authority
DE
Germany
Prior art keywords
crystal
filter
amplifier
input
circuit
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.)
Pending
Application number
DEM54020A
Other languages
German (de)
English (en)
Inventor
Alan Sydney Chester
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.)
MINI OF AVIAT IN HER MAJESTY S
Original Assignee
MINI OF AVIAT IN HER MAJESTY S
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 MINI OF AVIAT IN HER MAJESTY S filed Critical MINI OF AVIAT IN HER MAJESTY S
Publication of DE1255827B publication Critical patent/DE1255827B/de
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H03H11/1208—Frequency selective two-port networks using amplifiers with feedback comprising an electromechanical resonator
    • 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
    • H03H11/1213—Frequency selective two-port networks using amplifiers with feedback using transistor amplifiers

Landscapes

  • Networks Using Active Elements (AREA)
  • Design And Manufacture Of Integrated Circuits (AREA)
  • Amplifiers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
DEM54020A 1961-08-29 1962-08-24 Kristallfilter Pending DE1255827B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31047/61A GB973163A (en) 1961-08-29 1961-08-29 Improvements in or relating to crystal filters

Publications (1)

Publication Number Publication Date
DE1255827B true DE1255827B (de) 1967-12-07

Family

ID=10317164

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM54020A Pending DE1255827B (de) 1961-08-29 1962-08-24 Kristallfilter

Country Status (6)

Country Link
US (1) US3221265A (en:Method)
BE (1) BE621743A (en:Method)
CH (1) CH404819A (en:Method)
DE (1) DE1255827B (en:Method)
GB (1) GB973163A (en:Method)
NL (1) NL282567A (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6177409A (ja) * 1984-09-21 1986-04-21 Sharp Corp ノイズフイルタ
GB2433367B (en) * 2005-12-03 2010-11-10 Peter John Jones Filter using tuning fork crystals

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE709817C (de) * 1936-11-20 1941-08-27 Telefunken Gmbh Kristallfilter veraenderbarer Bandbreite

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB509040A (en) * 1937-10-06 1939-07-06 James Robinson Improvements in electrical frequency selective circuits
US2510868A (en) * 1945-12-14 1950-06-06 Press Wireless Inc Wave transmission filter circuits
US2910657A (en) * 1955-02-18 1959-10-27 Gen Electric Crystal filter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE709817C (de) * 1936-11-20 1941-08-27 Telefunken Gmbh Kristallfilter veraenderbarer Bandbreite

Also Published As

Publication number Publication date
BE621743A (en:Method)
CH404819A (fr) 1965-12-31
US3221265A (en) 1965-11-30
GB973163A (en) 1964-10-21
NL282567A (en:Method)

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