GB2100080B - Frequency selection means for the termination of a passive mixer - Google Patents

Frequency selection means for the termination of a passive mixer

Info

Publication number
GB2100080B
GB2100080B GB8213877A GB8213877A GB2100080B GB 2100080 B GB2100080 B GB 2100080B GB 8213877 A GB8213877 A GB 8213877A GB 8213877 A GB8213877 A GB 8213877A GB 2100080 B GB2100080 B GB 2100080B
Authority
GB
United Kingdom
Prior art keywords
termination
selection means
frequency selection
passive mixer
passive
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.)
Expired
Application number
GB8213877A
Other languages
English (en)
Other versions
GB2100080A (en
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.)
Licentia Patent Verwaltungs GmbH
Licentia Oy
Original Assignee
Licentia Patent Verwaltungs GmbH
Licentia Oy
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 Licentia Patent Verwaltungs GmbH, Licentia Oy filed Critical Licentia Patent Verwaltungs GmbH
Publication of GB2100080A publication Critical patent/GB2100080A/en
Application granted granted Critical
Publication of GB2100080B publication Critical patent/GB2100080B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/48—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source
    • H03H7/485—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source particularly adapted as input circuit for receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0017—Intermediate frequency filter
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0082—Quadrature arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Noise Elimination (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
GB8213877A 1981-05-15 1982-05-13 Frequency selection means for the termination of a passive mixer Expired GB2100080B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813119420 DE3119420A1 (de) 1981-05-15 1981-05-15 "schaltungsanordnung zum abschluss eines passiven mischers"

Publications (2)

Publication Number Publication Date
GB2100080A GB2100080A (en) 1982-12-15
GB2100080B true GB2100080B (en) 1984-09-05

Family

ID=6132433

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8213877A Expired GB2100080B (en) 1981-05-15 1982-05-13 Frequency selection means for the termination of a passive mixer

Country Status (2)

Country Link
DE (1) DE3119420A1 (de)
GB (1) GB2100080B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2607639B1 (fr) * 1986-11-28 1995-03-03 Thomson Csf Rejecteur de bande a grande selectivite, et utilisation d'un tel rejecteur
US4963945A (en) * 1989-04-07 1990-10-16 Plessey Electronic Systems Corp. Band rejection filtering arrangement

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070747A (en) * 1958-09-02 1962-12-25 Microwave Engineering Lab Inc Image rejection systems
DE2730153A1 (de) * 1977-07-04 1979-01-25 Siemens Ag Verfahren und vorrichtung zum empfangen von radiosignalen nach dem ueberlagerungsprinzip
GB2023954B (en) * 1978-06-15 1982-06-23 Marconi Co Ltd Signal mixer
GB2030806B (en) * 1978-09-27 1982-11-17 Plessey Co Ltd Receiver front end arrangement

Also Published As

Publication number Publication date
DE3119420A1 (de) 1982-12-16
GB2100080A (en) 1982-12-15
DE3119420C2 (de) 1989-07-13

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010513