JPH0466825U - - Google Patents

Info

Publication number
JPH0466825U
JPH0466825U JP11028990U JP11028990U JPH0466825U JP H0466825 U JPH0466825 U JP H0466825U JP 11028990 U JP11028990 U JP 11028990U JP 11028990 U JP11028990 U JP 11028990U JP H0466825 U JPH0466825 U JP H0466825U
Authority
JP
Japan
Prior art keywords
circuit
oscillation
switching
control
frequency detection
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.)
Pending
Application number
JP11028990U
Other languages
English (en)
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 filed Critical
Priority to JP11028990U priority Critical patent/JPH0466825U/ja
Publication of JPH0466825U publication Critical patent/JPH0466825U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す回路ブロツク
構成図、第2図はCR発振器の電圧一発振周波数
特性図、第3図は本発明の一実施例に印加された
電源電圧変化を示す図、第4図は従来例を示すブ
ロツク図、第5図は抵抗−発振周波数特性図、第
6図は容量−発振周波数特性図である。 11……発振回路、12……制御回路、13…
…記憶回路、14……周波数検出回路、15……
切換回路、21……発振回路、R11,R12,
R13,R21……抵抗、C11,C21……容
量。

Claims (1)

    【実用新案登録請求の範囲】
  1. CR発振回路と、周波数検出回路と、前記CR
    発振回路に接続された抵抗を切り換える切換回路
    と、前記発振周波数検出回路の出力を入力とし前
    記切換回路を制御する制御回路と、発振周波数及
    び前記制御回路から切換回路への制御信号を記憶
    する記憶回路とを有することを特徴とする半導体
    集積回路。
JP11028990U 1990-10-22 1990-10-22 Pending JPH0466825U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11028990U JPH0466825U (ja) 1990-10-22 1990-10-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11028990U JPH0466825U (ja) 1990-10-22 1990-10-22

Publications (1)

Publication Number Publication Date
JPH0466825U true JPH0466825U (ja) 1992-06-12

Family

ID=31857608

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11028990U Pending JPH0466825U (ja) 1990-10-22 1990-10-22

Country Status (1)

Country Link
JP (1) JPH0466825U (ja)

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