JPS53128255A - Automatic frequency control circuit - Google Patents

Automatic frequency control circuit

Info

Publication number
JPS53128255A
JPS53128255A JP4301777A JP4301777A JPS53128255A JP S53128255 A JPS53128255 A JP S53128255A JP 4301777 A JP4301777 A JP 4301777A JP 4301777 A JP4301777 A JP 4301777A JP S53128255 A JPS53128255 A JP S53128255A
Authority
JP
Japan
Prior art keywords
control circuit
frequency control
automatic frequency
systems
prevent
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
JP4301777A
Other languages
Japanese (ja)
Other versions
JPS5818016B2 (en
Inventor
Taizo Nakamura
Yasumitsu Tani
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP4301777A priority Critical patent/JPS5818016B2/en
Publication of JPS53128255A publication Critical patent/JPS53128255A/en
Publication of JPS5818016B2 publication Critical patent/JPS5818016B2/en
Expired 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
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant

Landscapes

  • Radar Systems Or Details Thereof (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

PURPOSE:To obtain an automatic frequency control circuit suited for the radar unit and others, by using the voltage control oscillator of two systems to the output side in order to prevent the frequency fluctuation of the output caused by the temperature change.
JP4301777A 1977-04-13 1977-04-13 automatic frequency control circuit Expired JPS5818016B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4301777A JPS5818016B2 (en) 1977-04-13 1977-04-13 automatic frequency control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4301777A JPS5818016B2 (en) 1977-04-13 1977-04-13 automatic frequency control circuit

Publications (2)

Publication Number Publication Date
JPS53128255A true JPS53128255A (en) 1978-11-09
JPS5818016B2 JPS5818016B2 (en) 1983-04-11

Family

ID=12652196

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4301777A Expired JPS5818016B2 (en) 1977-04-13 1977-04-13 automatic frequency control circuit

Country Status (1)

Country Link
JP (1) JPS5818016B2 (en)

Also Published As

Publication number Publication date
JPS5818016B2 (en) 1983-04-11

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