JPS6137616U - Temperature compensated crystal oscillator circuit - Google Patents

Temperature compensated crystal oscillator circuit

Info

Publication number
JPS6137616U
JPS6137616U JP12289984U JP12289984U JPS6137616U JP S6137616 U JPS6137616 U JP S6137616U JP 12289984 U JP12289984 U JP 12289984U JP 12289984 U JP12289984 U JP 12289984U JP S6137616 U JPS6137616 U JP S6137616U
Authority
JP
Japan
Prior art keywords
temperature
crystal oscillator
oscillator circuit
compensated crystal
compensation
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
JP12289984U
Other languages
Japanese (ja)
Inventor
哲男 金子
Original Assignee
日立電子株式会社
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 日立電子株式会社 filed Critical 日立電子株式会社
Priority to JP12289984U priority Critical patent/JPS6137616U/en
Publication of JPS6137616U publication Critical patent/JPS6137616U/en
Pending legal-status Critical Current

Links

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３図は水晶振動子の温度特性例、第２図は従来の温
度補償水晶発振回路、第１図は本考案の温度補償水晶発
振回路の一実施例、第４図は温度切換回路の動作波形で
ある。 １：水晶振動子、２．２’：電圧可変容量素子、３：温
度検出素子、４，９．１０：補償電圧発生回路、５：発
振暮、６：がん衝増幅器、７，８：抵抗器、１１：温度
切換回路。- Figure 3 is an example of the temperature characteristics of a crystal resonator, Figure 2 is a conventional temperature compensated crystal oscillator circuit, Figure 1 is an example of the temperature compensated crystal oscillator circuit of the present invention, and Figure 4 is a temperature switching circuit. This is the operating waveform. 1: Crystal oscillator, 2.2': Voltage variable capacitance element, 3: Temperature detection element, 4, 9.10: Compensation voltage generation circuit, 5: Oscillator, 6: Impulse amplifier, 7, 8: Resistor 11: Temperature switching circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 水晶振動子と、複数の電圧可変容量素子と、発振器と、
かん衝増幅器と、温度検出素子と、複数の補償電圧発生
回路とで構成する温度補償形水晶発振回路において、前
記水晶振動子固有の温度特性に応じて、低温側及び高温
側のそれぞれの周波数偏差の補償電圧を発生させる複数
の抵抗器を前記水晶振動子と一体に設け、前記温度検出
器が検出した周囲温度の変化に応じて前記補償電圧発生
回路は、複数段階の温度補償電圧を前記抵抗器を介して
発生させ、この補償電圧で前記電圧可変容量素子を制御
して温度補償を行うことを特徴とする温度補償形水晶発
振回路。A crystal resonator, a plurality of voltage variable capacitance elements, an oscillator,
In a temperature-compensated crystal oscillator circuit composed of a collision amplifier, a temperature detection element, and a plurality of compensation voltage generation circuits, each frequency deviation on the low-temperature side and the high-temperature side is A plurality of resistors that generate compensation voltages of 1. A temperature-compensated crystal oscillator circuit, characterized in that the temperature-compensated crystal oscillator circuit performs temperature compensation by controlling the voltage variable capacitance element with this compensation voltage.
JP12289984U 1984-08-13 1984-08-13 Temperature compensated crystal oscillator circuit Pending JPS6137616U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12289984U JPS6137616U (en) 1984-08-13 1984-08-13 Temperature compensated crystal oscillator circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12289984U JPS6137616U (en) 1984-08-13 1984-08-13 Temperature compensated crystal oscillator circuit

Publications (1)

Publication Number Publication Date
JPS6137616U true JPS6137616U (en) 1986-03-08

Family

ID=30681653

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12289984U Pending JPS6137616U (en) 1984-08-13 1984-08-13 Temperature compensated crystal oscillator circuit

Country Status (1)

Country Link
JP (1) JPS6137616U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02502624A (en) * 1988-07-05 1990-08-23 ヨット・エム・フォイト・ゲーエムベーハー Device for releasing split winding material wound into compressed bales

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02502624A (en) * 1988-07-05 1990-08-23 ヨット・エム・フォイト・ゲーエムベーハー Device for releasing split winding material wound into compressed bales

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