JPS5518163A - Multi-band synthesizer receiver - Google Patents

Multi-band synthesizer receiver

Info

Publication number
JPS5518163A
JPS5518163A JP9126778A JP9126778A JPS5518163A JP S5518163 A JPS5518163 A JP S5518163A JP 9126778 A JP9126778 A JP 9126778A JP 9126778 A JP9126778 A JP 9126778A JP S5518163 A JPS5518163 A JP S5518163A
Authority
JP
Japan
Prior art keywords
register
contents
memory
division ratio
bands
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.)
Granted
Application number
JP9126778A
Other languages
Japanese (ja)
Other versions
JPS5951775B2 (en
Inventor
Hiroshi Yasuda
Yoshio Osakabe
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP9126778A priority Critical patent/JPS5951775B2/en
Publication of JPS5518163A publication Critical patent/JPS5518163A/en
Publication of JPS5951775B2 publication Critical patent/JPS5951775B2/en
Expired 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
    • 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)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

PURPOSE:To secure the band switching through an easy operation and simple constituiton by memorizing the contents of the division ratio setting register in several memories according to the bands and then reading the contents selectively to supply it to the register. CONSTITUTION:PLL frequency synthesizer 13 uses variable frequency oscillator 8 as the local oscillator, and the division ratio of programable divider 9 of synthesizer 13 is controlled by division ratio setting register 14 in accordance with the reception frequency or the reception band. On the other hand, memory 20 memorizes the contents of register 14, and control circuit 17 performs the data transfer between register 14 and memory 20 as well as the selection control for memory 20. In such way, the contents of register 14 is memorized according to the bands into memory 20, and the contents is read out selectively to be supplied to register 14. Accordingly, the band switching is possible with an easy operation and simple constitution.
JP9126778A 1978-07-26 1978-07-26 multiband synthesizer receiver Expired JPS5951775B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9126778A JPS5951775B2 (en) 1978-07-26 1978-07-26 multiband synthesizer receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9126778A JPS5951775B2 (en) 1978-07-26 1978-07-26 multiband synthesizer receiver

Publications (2)

Publication Number Publication Date
JPS5518163A true JPS5518163A (en) 1980-02-08
JPS5951775B2 JPS5951775B2 (en) 1984-12-15

Family

ID=14021649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9126778A Expired JPS5951775B2 (en) 1978-07-26 1978-07-26 multiband synthesizer receiver

Country Status (1)

Country Link
JP (1) JPS5951775B2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6015863U (en) * 1983-07-11 1985-02-02 日本パイオニクス株式会社 Heated thermal container
JPS6177376U (en) * 1984-10-26 1986-05-24
JPS6211770U (en) * 1985-07-05 1987-01-24
JPH0523158Y2 (en) * 1986-01-28 1993-06-14
JPS6379377U (en) * 1986-11-11 1988-05-25
JPS6411148U (en) * 1987-07-10 1989-01-20
JPH0229621U (en) * 1988-08-10 1990-02-26

Also Published As

Publication number Publication date
JPS5951775B2 (en) 1984-12-15

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