DE1591473B1 - Empfaenger fuer mehrere wellenbereiche - Google Patents

Empfaenger fuer mehrere wellenbereiche

Info

Publication number
DE1591473B1
DE1591473B1 DE19671591473 DE1591473A DE1591473B1 DE 1591473 B1 DE1591473 B1 DE 1591473B1 DE 19671591473 DE19671591473 DE 19671591473 DE 1591473 A DE1591473 A DE 1591473A DE 1591473 B1 DE1591473 B1 DE 1591473B1
Authority
DE
Germany
Prior art keywords
receiver
filter
reception
switch
path
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
DE19671591473
Other languages
German (de)
English (en)
Inventor
Erik Dipl-Ing Langer
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.)
Siemens Corp
Original Assignee
Siemens Corp
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 Corp filed Critical Siemens Corp
Publication of DE1591473B1 publication Critical patent/DE1591473B1/de
Pending legal-status Critical Current

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
    • H04B1/0067—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 one or more circuit blocks in common for different bands
    • H04B1/0082—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 one or more circuit blocks in common for different bands with a common local oscillator for more than one band
    • H04B1/0089—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 one or more circuit blocks in common for different bands with a common local oscillator for more than one band using a first intermediate frequency higher that the highest of any band received
    • H04B1/0092—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 one or more circuit blocks in common for different bands with a common local oscillator for more than one band using a first intermediate frequency higher that the highest of any band received using a wideband front end
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • H03H19/002—N-path filters
    • 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
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
  • Filters And Equalizers (AREA)
DE19671591473 1967-04-11 1967-04-11 Empfaenger fuer mehrere wellenbereiche Pending DE1591473B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0109285 1967-04-11

Publications (1)

Publication Number Publication Date
DE1591473B1 true DE1591473B1 (de) 1971-12-09

Family

ID=7529404

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671591473 Pending DE1591473B1 (de) 1967-04-11 1967-04-11 Empfaenger fuer mehrere wellenbereiche

Country Status (7)

Country Link
US (1) US3551857A (en:Method)
AT (1) AT278901B (en:Method)
BE (1) BE713554A (en:Method)
DE (1) DE1591473B1 (en:Method)
FR (1) FR1565769A (en:Method)
GB (1) GB1151328A (en:Method)
NL (1) NL6805241A (en:Method)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5086915A (en:Method) * 1973-11-30 1975-07-12
FR2280141A1 (fr) * 1974-07-26 1976-02-20 Materiel Telephonique Systeme de signalisation entre centres de traitement d'informations
CN116318153A (zh) * 2023-05-10 2023-06-23 微龛(广州)半导体有限公司 参考电压驱动电路、模数转换器、芯片及驱动方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430038A (en) * 1943-10-05 1947-11-04 Bell Telephone Labor Inc Cathode-ray device for improving signal-to-noise ratio in radar systems
US2909656A (en) * 1953-01-06 1959-10-20 Lab For Electronics Inc Selective circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430038A (en) * 1943-10-05 1947-11-04 Bell Telephone Labor Inc Cathode-ray device for improving signal-to-noise ratio in radar systems
US2909656A (en) * 1953-01-06 1959-10-20 Lab For Electronics Inc Selective circuit

Also Published As

Publication number Publication date
NL6805241A (en:Method) 1968-10-14
AT278901B (de) 1970-02-25
BE713554A (en:Method) 1968-10-11
FR1565769A (en:Method) 1969-05-02
US3551857A (en) 1970-12-29
GB1151328A (en) 1969-05-07

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