GB2078038B - Superheterodyne receivers - Google Patents

Superheterodyne receivers

Info

Publication number
GB2078038B
GB2078038B GB8116750A GB8116750A GB2078038B GB 2078038 B GB2078038 B GB 2078038B GB 8116750 A GB8116750 A GB 8116750A GB 8116750 A GB8116750 A GB 8116750A GB 2078038 B GB2078038 B GB 2078038B
Authority
GB
United Kingdom
Prior art keywords
superheterodyne receivers
superheterodyne
receivers
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
GB8116750A
Other versions
GB2078038A (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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB8116750A priority Critical patent/GB2078038B/en
Publication of GB2078038A publication Critical patent/GB2078038A/en
Application granted granted Critical
Publication of GB2078038B publication Critical patent/GB2078038B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • 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
    • H03D7/14—Balanced arrangements
    • 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
    • H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
    • H03D7/125—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes with field effect transistors
    • 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
    • H03D7/18—Modifications of frequency-changers for eliminating image frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB8116750A 1980-06-02 1981-06-01 Superheterodyne receivers Expired GB2078038B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8116750A GB2078038B (en) 1980-06-02 1981-06-01 Superheterodyne receivers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8017985 1980-06-02
GB8116750A GB2078038B (en) 1980-06-02 1981-06-01 Superheterodyne receivers

Publications (2)

Publication Number Publication Date
GB2078038A GB2078038A (en) 1981-12-23
GB2078038B true GB2078038B (en) 1984-07-25

Family

ID=26275710

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8116750A Expired GB2078038B (en) 1980-06-02 1981-06-01 Superheterodyne receivers

Country Status (1)

Country Link
GB (1) GB2078038B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4662000A (en) * 1985-04-15 1987-04-28 Raytheon Company Frequency conversion circuits
GB2331193B (en) 1997-11-07 2001-07-11 Plessey Semiconductors Ltd Image reject mixer arrangements
DE19921921A1 (en) * 1999-05-12 2000-11-16 Bosch Gmbh Robert Single-sided band mixer for HF signals has amplifier connected before each mixer to produce first signal; amplifiers have inputs connected via branched line to common signal source
DE19959406A1 (en) * 1999-12-09 2001-06-13 Rohde & Schwarz 90 DEG power divider

Also Published As

Publication number Publication date
GB2078038A (en) 1981-12-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee