JPS59161714U - Electronic clock circuit - Google Patents

Electronic clock circuit

Info

Publication number
JPS59161714U
JPS59161714U JP3705284U JP3705284U JPS59161714U JP S59161714 U JPS59161714 U JP S59161714U JP 3705284 U JP3705284 U JP 3705284U JP 3705284 U JP3705284 U JP 3705284U JP S59161714 U JPS59161714 U JP S59161714U
Authority
JP
Japan
Prior art keywords
circuit
oscillation
type fet
crystal
clock circuit
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
JP3705284U
Other languages
Japanese (ja)
Inventor
越智　義明
両角　伸治
Original Assignee
セイコーエプソン株式会社
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 セイコーエプソン株式会社 filed Critical セイコーエプソン株式会社
Priority to JP3705284U priority Critical patent/JPS59161714U/en
Publication of JPS59161714U publication Critical patent/JPS59161714U/en
Pending legal-status Critical Current

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Landscapes

  • Electric Clocks (AREA)
  • 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図は銀電池の電圧−放電時間のグラフ。第２図は従
来の一般的な発振回路例。第３図はディプレッション型
ＦＥＴを用いた定電流回路例。第４図は第３図の動作を
説明するためのドレイン電圧−電流線図。 １・・・水晶振動子、２・・・発振用インバーター、３
・・・ドレイン抵抗抗、４・・・可変コンデンサ、５・
・・固定コンデンサ、６・・・ディプレッション型ＦＥ
Ｔ。 ７・・・発振用インバーター。Figure 1 is a voltage-discharge time graph of a silver battery. Figure 2 shows an example of a conventional general oscillation circuit. Figure 3 is an example of a constant current circuit using a depletion type FET. FIG. 4 is a drain voltage-current diagram for explaining the operation of FIG. 3. 1... Crystal resonator, 2... Oscillation inverter, 3
...Drain resistance, 4...Variable capacitor, 5.
・Fixed capacitor, 6...Depression type FE
T. 7...Oscillation inverter.

Claims (1)

【実用新案登録請求の範囲】 電子式時計用回路において、基準信号源に水晶発振回路
を用い、前記水晶発振回路は水晶振動子と発振インバー
タとからなり、 前記発振インバータはＰチャンネルとＮトチヤンネルの
２つのエンハンスメント型ＦＥＴを用い、前記発振イン
バータのソース端子と前記水晶発振回路の電源との間に
ディブレジョン型ＦＥＴを直列に定電流手段として接続
し、前記ディブレジョン型ＦＥＴのゲート電極に前記デ
ィブレジョン型ＦＥＴのソース電位を印加することを特
徴とする電子式時計用回路。[Claims for Utility Model Registration] In a circuit for an electronic timepiece, a crystal oscillation circuit is used as a reference signal source, the crystal oscillation circuit is composed of a crystal resonator and an oscillation inverter, and the oscillation inverter has a P channel and an N channel. Two enhancement type FETs are used, and a degeneration type FET is connected in series between the source terminal of the oscillation inverter and the power supply of the crystal oscillation circuit as a constant current means, and a gate electrode of the degeneration type FET is connected as a constant current means. A circuit for an electronic timepiece, characterized in that a source potential of the deregression type FET is applied.
JP3705284U 1984-03-15 1984-03-15 Electronic clock circuit Pending JPS59161714U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3705284U JPS59161714U (en) 1984-03-15 1984-03-15 Electronic clock circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3705284U JPS59161714U (en) 1984-03-15 1984-03-15 Electronic clock circuit

Publications (1)

Publication Number Publication Date
JPS59161714U true JPS59161714U (en) 1984-10-30

Family

ID=30167718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3705284U Pending JPS59161714U (en) 1984-03-15 1984-03-15 Electronic clock circuit

Country Status (1)

Country Link
JP (1) JPS59161714U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE39329E1 (en) 1996-12-27 2006-10-10 Seiko Epson Corporation Oscillation circuit, electronic circuit using the same, and semiconductor device, electronic equipment, and timepiece using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE39329E1 (en) 1996-12-27 2006-10-10 Seiko Epson Corporation Oscillation circuit, electronic circuit using the same, and semiconductor device, electronic equipment, and timepiece using the same

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