JPS586413U - crystal oscillation circuit - Google Patents

crystal oscillation circuit

Info

Publication number
JPS586413U
JPS586413U JP9850081U JP9850081U JPS586413U JP S586413 U JPS586413 U JP S586413U JP 9850081 U JP9850081 U JP 9850081U JP 9850081 U JP9850081 U JP 9850081U JP S586413 U JPS586413 U JP S586413U
Authority
JP
Japan
Prior art keywords
oscillation circuit
crystal oscillation
crystal
oscillation
crystal resonator
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
JP9850081U
Other languages
Japanese (ja)
Inventor
佐藤　美喜雄
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP9850081U priority Critical patent/JPS586413U/en
Publication of JPS586413U publication Critical patent/JPS586413U/en
Pending legal-status Critical Current

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  • Oscillators With Electromechanical Resonators (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の水晶発振回路の構成図、第２図は従来の
水晶発振回路における周波数−インピー　　　”ダンス
特性図、第３図は本考案に係る水晶発振回路の一実施例
を示す構成図、第４図は本考案に係る水晶発振回路にお
ける周波数−インピーダンス特性図である。 １・・・・・・水晶振動子、２，５・・・・・・コンデ
ンサ、３・・・・・・コイル、４・・・・・・抵抗、１
ｏ・・曲能動回路。Fig. 1 is a block diagram of a conventional crystal oscillation circuit, Fig. 2 is a frequency-impedance characteristic diagram of the conventional crystal oscillation circuit, and Fig. 3 is a block diagram showing an embodiment of the crystal oscillation circuit according to the present invention. , FIG. 4 is a frequency-impedance characteristic diagram of the crystal oscillation circuit according to the present invention. 1...Crystal resonator, 2, 5... Capacitor, 3... Coil, 4...Resistance, 1
o... Curved active circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 水晶振動子のオーバトーン周波数を利用して発振出力を
得る水晶発振回路において、前記水晶振動子と直列に並
列共振回路を設け、前記水晶振動子の並列容量による異
常発振を防止するようにしたことを特徴とする水晶発振
回路。In a crystal oscillation circuit that obtains an oscillation output using the overtone frequency of a crystal resonator, a parallel resonant circuit is provided in series with the crystal resonator to prevent abnormal oscillation due to the parallel capacitance of the crystal resonator. A crystal oscillation circuit featuring:
JP9850081U 1981-07-03 1981-07-03 crystal oscillation circuit Pending JPS586413U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9850081U JPS586413U (en) 1981-07-03 1981-07-03 crystal oscillation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9850081U JPS586413U (en) 1981-07-03 1981-07-03 crystal oscillation circuit

Publications (1)

Publication Number Publication Date
JPS586413U true JPS586413U (en) 1983-01-17

Family

ID=29893259

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9850081U Pending JPS586413U (en) 1981-07-03 1981-07-03 crystal oscillation circuit

Country Status (1)

Country Link
JP (1) JPS586413U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02122706A (en) * 1988-10-31 1990-05-10 Nippon Dempa Kogyo Co Ltd Oscillation circuit for overtone
JP2002261546A (en) * 2000-12-25 2002-09-13 Toyo Commun Equip Co Ltd Piezoelectric oscillator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02122706A (en) * 1988-10-31 1990-05-10 Nippon Dempa Kogyo Co Ltd Oscillation circuit for overtone
JP2002261546A (en) * 2000-12-25 2002-09-13 Toyo Commun Equip Co Ltd Piezoelectric oscillator

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