JPS63196109U - - Google Patents

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Publication number
JPS63196109U
JPS63196109U JP8736787U JP8736787U JPS63196109U JP S63196109 U JPS63196109 U JP S63196109U JP 8736787 U JP8736787 U JP 8736787U JP 8736787 U JP8736787 U JP 8736787U JP S63196109 U JPS63196109 U JP S63196109U
Authority
JP
Japan
Prior art keywords
oscillation circuit
input
mos inverter
series
ground
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
JP8736787U
Other languages
Japanese (ja)
Other versions
JPH066594Y2 (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 JP8736787U priority Critical patent/JPH066594Y2/en
Publication of JPS63196109U publication Critical patent/JPS63196109U/ja
Application granted granted Critical
Publication of JPH066594Y2 publication Critical patent/JPH066594Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Oscillators With Electromechanical Resonators (AREA)

Description

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

第1図はこの考案の一実施例を示す回路図、第
2図は第1図の等価回路図、第3図はこの考案の
第2実施例を示す回路図、第4図はゲート入力バ
イアス素子を用いたときの回路図、第5図は第4
図の等価回路図、第6図は周波数対負性抵抗特性
図、第7図はこの考案の第3実施例を示す回路図
、第8図は従来例の回路図である。 1,2……C―MOSインバータ、RA,RB
……低抵抗、Xtal……水晶発振器、C,C
……コンデンサ、R……帰還抵抗。
Fig. 1 is a circuit diagram showing an embodiment of this invention, Fig. 2 is an equivalent circuit diagram of Fig. 1, Fig. 3 is a circuit diagram showing a second embodiment of this invention, Fig. 4 is a gate input bias The circuit diagram when using the element, Fig. 5 is the 4th
6 is a frequency versus negative resistance characteristic diagram, FIG. 7 is a circuit diagram showing a third embodiment of this invention, and FIG. 8 is a circuit diagram of a conventional example. 1, 2...C-MOS inverter, RA, RB
...Low resistance, Xtal...Crystal oscillator, C 1 , C
2 ... Capacitor, R f ... Feedback resistor.

Claims (1)

【実用新案登録請求の範囲】 (1) 相補型MOSFETからなるC―MOSイ
ンバータの入出力端間に、水晶振動子と帰還抵抗
を接続するとともに、C―MOSインバータの入
出力端と接地間にコンデンサを接続したコルピツ
ツ型発振回路を設け、電源と接地間に直列接続し
た低インピーダンスのゲート入力バイアス素子か
らなる直列回路を設け、この直列回路の共通接続
点を前記発振回路のC―MOSインバータの入力
端に接続したことを特徴とするオーバートーン水
晶発振回路。 (2) 前記直列回路はツエナーダイオードと抵抗
からなることを特徴とする実用新案登録請求の範
囲第1項に記載のオーバートーン水晶発振回路。
[Claims for Utility Model Registration] (1) A crystal oscillator and a feedback resistor are connected between the input and output terminals of a C-MOS inverter consisting of complementary MOSFETs, and between the input and output terminals of the C-MOS inverter and ground. A Colpitts type oscillation circuit with a capacitor connected is provided, and a series circuit consisting of a low impedance gate input bias element connected in series between the power supply and ground is provided, and the common connection point of this series circuit is connected to the C-MOS inverter of the oscillation circuit. An overtone crystal oscillation circuit characterized by being connected to the input end. (2) The overtone crystal oscillation circuit according to claim 1, wherein the series circuit includes a Zener diode and a resistor.
JP8736787U 1987-06-05 1987-06-05 Overtone crystal oscillator circuit Expired - Lifetime JPH066594Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8736787U JPH066594Y2 (en) 1987-06-05 1987-06-05 Overtone crystal oscillator circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8736787U JPH066594Y2 (en) 1987-06-05 1987-06-05 Overtone crystal oscillator circuit

Publications (2)

Publication Number Publication Date
JPS63196109U true JPS63196109U (en) 1988-12-16
JPH066594Y2 JPH066594Y2 (en) 1994-02-16

Family

ID=30944509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8736787U Expired - Lifetime JPH066594Y2 (en) 1987-06-05 1987-06-05 Overtone crystal oscillator circuit

Country Status (1)

Country Link
JP (1) JPH066594Y2 (en)

Also Published As

Publication number Publication date
JPH066594Y2 (en) 1994-02-16

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