JPS5750125A - Automatic sweeping digital tuning circuit - Google Patents

Automatic sweeping digital tuning circuit

Info

Publication number
JPS5750125A
JPS5750125A JP12561280A JP12561280A JPS5750125A JP S5750125 A JPS5750125 A JP S5750125A JP 12561280 A JP12561280 A JP 12561280A JP 12561280 A JP12561280 A JP 12561280A JP S5750125 A JPS5750125 A JP S5750125A
Authority
JP
Japan
Prior art keywords
circuit
automatic
sweep
tuning frequency
counter
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
JP12561280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6329852B2 (enrdf_load_stackoverflow
Inventor
Hideji Takebe
Hiroshi Kobayashi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP12561280A priority Critical patent/JPS5750125A/ja
Priority to US06/299,502 priority patent/US4380825A/en
Publication of JPS5750125A publication Critical patent/JPS5750125A/ja
Publication of JPS6329852B2 publication Critical patent/JPS6329852B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/24—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes
    • H03J7/26—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using varactors, i.e. voltage variable reactive diodes in which an automatic frequency control circuit is brought into action after the scanning action has been stopped
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies
    • H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
    • H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
JP12561280A 1980-09-09 1980-09-09 Automatic sweeping digital tuning circuit Granted JPS5750125A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP12561280A JPS5750125A (en) 1980-09-09 1980-09-09 Automatic sweeping digital tuning circuit
US06/299,502 US4380825A (en) 1980-09-09 1981-09-04 Automatic sweep digital tuning circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12561280A JPS5750125A (en) 1980-09-09 1980-09-09 Automatic sweeping digital tuning circuit

Publications (2)

Publication Number Publication Date
JPS5750125A true JPS5750125A (en) 1982-03-24
JPS6329852B2 JPS6329852B2 (enrdf_load_stackoverflow) 1988-06-15

Family

ID=14914396

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12561280A Granted JPS5750125A (en) 1980-09-09 1980-09-09 Automatic sweeping digital tuning circuit

Country Status (1)

Country Link
JP (1) JPS5750125A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6329852B2 (enrdf_load_stackoverflow) 1988-06-15

Similar Documents

Publication Publication Date Title
JPS57196631A (en) Detecting circuit for pulse noise
JPS5750125A (en) Automatic sweeping digital tuning circuit
US4392249A (en) Electronic channel selection apparatus with surface acoustic wave device
CA1073531A (en) Tunable scanning radio receiver
EP0148389A3 (en) Tuning system for a telecommunication apparatus
JPS5750124A (en) Automatic sweep digital tuning circuit
US4539712A (en) Delay circuit
CA1142661A (en) Manual channel selecting device
US3820027A (en) Circuit arrangement for automatic station search
JPS577622A (en) Electronic tuner
JPS5710523A (en) Automatic sweep digital tuning circuit
JPS585607B2 (ja) 自動選局装置
JPS558147A (en) Automatic frequency adjuster
JPS5750122A (en) Counter for number of channel
JPS55114027A (en) Radio receiver of electronic tuning system
GB1377100A (en) Channel selecting circuit arrangements for television receivers
GB1417588A (en) Radio-frequency receivers
SU1107256A1 (ru) Генератор СВЧ
JPS5467309A (en) Aft circuit
JPS577623A (en) Automatic sweeping device
JPS5769937A (en) Electronic tuning type receiver
JPS5453901A (en) Channel selector
GB1278957A (en) Apparatus for sensing the frequency to which a wave signal receiver is tuned
JPS5467301A (en) Channel selector
JPS56147513A (en) Channel preset circuit