JPS53147420A - Automatic channel selection circuit - Google Patents

Automatic channel selection circuit

Info

Publication number
JPS53147420A
JPS53147420A JP6125377A JP6125377A JPS53147420A JP S53147420 A JPS53147420 A JP S53147420A JP 6125377 A JP6125377 A JP 6125377A JP 6125377 A JP6125377 A JP 6125377A JP S53147420 A JPS53147420 A JP S53147420A
Authority
JP
Japan
Prior art keywords
channel selection
selection circuit
automatic channel
introducing
receiver
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
JP6125377A
Other languages
Japanese (ja)
Other versions
JPS5734931B2 (en
Inventor
Haruo Uehara
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6125377A priority Critical patent/JPS53147420A/en
Publication of JPS53147420A publication Critical patent/JPS53147420A/en
Publication of JPS5734931B2 publication Critical patent/JPS5734931B2/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
    • H03J7/28—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
    • H03J7/285—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 the counter or frequency divider being used in a phase locked loop

Landscapes

  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Superheterodyne Receivers (AREA)

Abstract

PURPOSE:To enable 3-channel scanning, by introducing a given signal to the channel selection switch group of PLL circuit of a receiver.
JP6125377A 1977-05-27 1977-05-27 Automatic channel selection circuit Granted JPS53147420A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6125377A JPS53147420A (en) 1977-05-27 1977-05-27 Automatic channel selection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6125377A JPS53147420A (en) 1977-05-27 1977-05-27 Automatic channel selection circuit

Publications (2)

Publication Number Publication Date
JPS53147420A true JPS53147420A (en) 1978-12-22
JPS5734931B2 JPS5734931B2 (en) 1982-07-26

Family

ID=13165877

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6125377A Granted JPS53147420A (en) 1977-05-27 1977-05-27 Automatic channel selection circuit

Country Status (1)

Country Link
JP (1) JPS53147420A (en)

Also Published As

Publication number Publication date
JPS5734931B2 (en) 1982-07-26

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