JPS6144922U - Digitally controlled temperature compensated crystal oscillator - Google Patents
Digitally controlled temperature compensated crystal oscillatorInfo
- Publication number
- JPS6144922U JPS6144922U JP13037984U JP13037984U JPS6144922U JP S6144922 U JPS6144922 U JP S6144922U JP 13037984 U JP13037984 U JP 13037984U JP 13037984 U JP13037984 U JP 13037984U JP S6144922 U JPS6144922 U JP S6144922U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- crystal oscillator
- compensated crystal
- digitally controlled
- 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
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
第１図はこの考案によるディジタル制御形温度補償発振
器の一例を示すブロック図、第２図はその動作ダイアグ
ラムである。
１１・・・・・・温度検出回路、１２・・・・・・増幅
回路、１３・・・・・・アナログ・デイジタル変換回路
、１４・・・・・・比較器、１５・・・・・・分圧回路
、１６・・・・・・逐次比較レジスタ、１７・・・・・
・処理回路、１８・・・・・・水晶振動子、１９・・・
・・・水晶発振回路、２１・・・・・・動作クロック源
、２２・・・・・・シーケンサ、２４，２５，２７・・
・・・・スイッチ、２８・・・・・・制御線。FIG. 1 is a block diagram showing an example of a digitally controlled temperature compensated oscillator according to this invention, and FIG. 2 is an operational diagram thereof. 11...Temperature detection circuit, 12...Amplification circuit, 13...Analog-digital conversion circuit, 14...Comparator, 15...・Voltage divider circuit, 16... Successive approximation register, 17...
・Processing circuit, 18...Crystal resonator, 19...
...Crystal oscillation circuit, 21...Operating clock source, 22...Sequencer, 24, 25, 27...
...Switch, 28...Control line.
Claims (1)
回路で増幅してその増幅情報を、アナログデジタル変換
器でディジタル符号に変換し、その符号化温度情報に基
づいて処理回路で補償量を算出する温度補償水晶発振器
において、前記温度検出回路、増幅回路、アナログデイ
ジタル変換器内の比較器および分圧回路の一部ないしは
全てについてその動作電源電力の供給遮断を制御する手
段が設けられ、この手段により温度情報を符号化する時
間を除き、前記各回路の一部ないしは全ての動作を停止
することができることを特徴とするデイジタル制御形温
度補償水晶発振器。The temperature is detected by the temperature detection circuit, the detected temperature information is amplified by the amplifier circuit, the amplified information is converted into a digital code by the analog-to-digital converter, and the amount of compensation is calculated by the processing circuit based on the encoded temperature information. In the temperature-compensated crystal oscillator to be calculated, means is provided for controlling supply cutoff of operating power source power to some or all of the temperature detection circuit, the amplifier circuit, the comparator in the analog-to-digital converter, and the voltage divider circuit. A digitally controlled temperature-compensated crystal oscillator, characterized in that the operation of a part or all of the circuits can be stopped except for the time when temperature information is encoded by means of the means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13037984U JPS6144922U (en) | 1984-08-27 | 1984-08-27 | Digitally controlled temperature compensated crystal oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13037984U JPS6144922U (en) | 1984-08-27 | 1984-08-27 | Digitally controlled temperature compensated crystal oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6144922U true JPS6144922U (en) | 1986-03-25 |
Family
ID=30688991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13037984U Pending JPS6144922U (en) | 1984-08-27 | 1984-08-27 | Digitally controlled temperature compensated crystal oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6144922U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04106085U (en) * | 1991-02-25 | 1992-09-11 | いすゞ自動車株式会社 | Alignment structure for vehicle body interior and exterior panels |
| JPH09221061A (en) * | 1996-02-10 | 1997-08-26 | Mercedes Benz Ag | Chassis supporting beam and manufacture thereof |
| WO2007108534A1 (en) * | 2006-03-23 | 2007-09-27 | Matsushita Electric Industrial Co., Ltd. | Voltage controlled oscillation circuit |
-
1984
- 1984-08-27 JP JP13037984U patent/JPS6144922U/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04106085U (en) * | 1991-02-25 | 1992-09-11 | いすゞ自動車株式会社 | Alignment structure for vehicle body interior and exterior panels |
| JPH09221061A (en) * | 1996-02-10 | 1997-08-26 | Mercedes Benz Ag | Chassis supporting beam and manufacture thereof |
| WO2007108534A1 (en) * | 2006-03-23 | 2007-09-27 | Matsushita Electric Industrial Co., Ltd. | Voltage controlled oscillation circuit |
| JPWO2007108534A1 (en) * | 2006-03-23 | 2009-08-06 | パナソニック株式会社 | Voltage controlled oscillator circuit |
| JP4542598B2 (en) * | 2006-03-23 | 2010-09-15 | パナソニック株式会社 | Voltage controlled oscillator circuit |
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