JPH0236214U - - Google Patents

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Publication number
JPH0236214U
JPH0236214U JP11454388U JP11454388U JPH0236214U JP H0236214 U JPH0236214 U JP H0236214U JP 11454388 U JP11454388 U JP 11454388U JP 11454388 U JP11454388 U JP 11454388U JP H0236214 U JPH0236214 U JP H0236214U
Authority
JP
Japan
Prior art keywords
frequency
signal
outputs
generating circuit
controlled
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
JP11454388U
Other languages
English (en)
Other versions
JPH0611622Y2 (ja
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 JP1988114543U priority Critical patent/JPH0611622Y2/ja
Publication of JPH0236214U publication Critical patent/JPH0236214U/ja
Application granted granted Critical
Publication of JPH0611622Y2 publication Critical patent/JPH0611622Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【図面の簡単な説明】
第1図は本考案に係る正弦波発振器の一実施例
を示す図、第2図は第1図回路の動作を示すタイ
ムチヤート、第3図は設定信号SAと分周信号S
Bと出力周波数範囲との関係例を示す図、第4図
はデジタルフイルタの減衰特性例を示す図、第5
図は従来例を示す図である。 1……カウンタ、2……トグルFF、3……デ
ジタルフイルタ、4……プロセツサ、6……分周
器、G1……オアゲート。

Claims (1)

  1. 【実用新案登録請求の範囲】 分周信号SBにより分周比が制御され、基本ク
    ロツクを分周したクロツク信号CLKを出力する
    分周器と、 クロツク信号CLKを計数し、設定信号SAに
    より設定された計数値ごとにパルス信号を繰返し
    出力する設定周波数発生回路1,G1と、 この設定周波数発生回路の出力を導入し、デユ
    ーテイ50%の方形波信号に変換して出力する波
    形整形手段2と、 前記クロツク信号CLKの周波数により制御さ
    れるカツトオフ周波数を持ち、導入した波形整形
    手段の方形波信号の基本周波数信号のみを取出す
    低域通過形デジタルフイルタと、 を備えた正弦波発振器。
JP1988114543U 1988-08-31 1988-08-31 正弦波発振器 Expired - Lifetime JPH0611622Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988114543U JPH0611622Y2 (ja) 1988-08-31 1988-08-31 正弦波発振器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988114543U JPH0611622Y2 (ja) 1988-08-31 1988-08-31 正弦波発振器

Publications (2)

Publication Number Publication Date
JPH0236214U true JPH0236214U (ja) 1990-03-08
JPH0611622Y2 JPH0611622Y2 (ja) 1994-03-23

Family

ID=31355389

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988114543U Expired - Lifetime JPH0611622Y2 (ja) 1988-08-31 1988-08-31 正弦波発振器

Country Status (1)

Country Link
JP (1) JPH0611622Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5760707A (en) * 1980-09-29 1982-04-12 Nec Corp Oscillating circuit
JPS60247308A (ja) * 1984-05-23 1985-12-07 Nec Corp 可変周波数正弦波信号発生装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5760707A (en) * 1980-09-29 1982-04-12 Nec Corp Oscillating circuit
JPS60247308A (ja) * 1984-05-23 1985-12-07 Nec Corp 可変周波数正弦波信号発生装置

Also Published As

Publication number Publication date
JPH0611622Y2 (ja) 1994-03-23

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