GB2216354B - Radio receiver tuner circuit - Google Patents

Radio receiver tuner circuit

Info

Publication number
GB2216354B
GB2216354B GB8807604A GB8807604A GB2216354B GB 2216354 B GB2216354 B GB 2216354B GB 8807604 A GB8807604 A GB 8807604A GB 8807604 A GB8807604 A GB 8807604A GB 2216354 B GB2216354 B GB 2216354B
Authority
GB
United Kingdom
Prior art keywords
radio receiver
tuner circuit
receiver tuner
circuit
radio
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 - Lifetime
Application number
GB8807604A
Other versions
GB2216354A (en
GB8807604D0 (en
Inventor
Christoper Beale
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.)
Plessey Co Ltd
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Priority to GB8807604A priority Critical patent/GB2216354B/en
Publication of GB8807604D0 publication Critical patent/GB8807604D0/en
Publication of GB2216354A publication Critical patent/GB2216354A/en
Application granted granted Critical
Publication of GB2216354B publication Critical patent/GB2216354B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
    • H03J5/24—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection
    • H03J5/242—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection
    • H03J5/244—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with a number of separate pretuned tuning circuits or separate tuning elements selectively brought into circuit, e.g. for waveband selection or for television channel selection used exclusively for band selection using electronic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
GB8807604A 1988-03-30 1988-03-30 Radio receiver tuner circuit Expired - Lifetime GB2216354B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8807604A GB2216354B (en) 1988-03-30 1988-03-30 Radio receiver tuner circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8807604A GB2216354B (en) 1988-03-30 1988-03-30 Radio receiver tuner circuit

Publications (3)

Publication Number Publication Date
GB8807604D0 GB8807604D0 (en) 1988-05-05
GB2216354A GB2216354A (en) 1989-10-04
GB2216354B true GB2216354B (en) 1992-09-16

Family

ID=10634374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8807604A Expired - Lifetime GB2216354B (en) 1988-03-30 1988-03-30 Radio receiver tuner circuit

Country Status (1)

Country Link
GB (1) GB2216354B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685589B1 (en) * 1991-12-19 1995-02-24 Sagem MULTIBAND RADIOTELEPHONE RECEIVER.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1420271A (en) * 1972-07-27 1976-01-07 Dapplication Des Tech Nouvelle Electronic frequency changing apparatus
GB2155717A (en) * 1984-02-22 1985-09-25 Adret Electronique Quaternary frequency synthesiser

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1420271A (en) * 1972-07-27 1976-01-07 Dapplication Des Tech Nouvelle Electronic frequency changing apparatus
GB2155717A (en) * 1984-02-22 1985-09-25 Adret Electronique Quaternary frequency synthesiser

Also Published As

Publication number Publication date
GB2216354A (en) 1989-10-04
GB8807604D0 (en) 1988-05-05

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20080329