JP2009225123A - 発振回路 - Google Patents
発振回路 Download PDFInfo
- Publication number
- JP2009225123A JP2009225123A JP2008067580A JP2008067580A JP2009225123A JP 2009225123 A JP2009225123 A JP 2009225123A JP 2008067580 A JP2008067580 A JP 2008067580A JP 2008067580 A JP2008067580 A JP 2008067580A JP 2009225123 A JP2009225123 A JP 2009225123A
- Authority
- JP
- Japan
- Prior art keywords
- output
- switch
- oscillation
- temperature sensor
- 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.)
- Granted
Links
- 230000010355 oscillation Effects 0.000 title claims abstract description 65
- 230000003071 parasitic effect Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/02—Details
- H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
- H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
- H03B5/36—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device
- H03B5/366—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device and comprising means for varying the frequency by a variable voltage or current
- H03B5/368—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator active element in amplifier being semiconductor device and comprising means for varying the frequency by a variable voltage or current the means being voltage variable capacitance diodes
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
- H03L1/023—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes
- H03L1/025—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes and a memory for digitally storing correction values
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L3/00—Starting of generators
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Abstract
【課題の解決手段】周囲温度に応じた制御信号によって出力周波数が制御される発振部1と、この発振部1に制御信号を供給する温度補償回路2と、発振部1の発振出力と温度補償回路2の温度センサ出力のいずれかを出力するようオンオフ制御される出力バッファ4と温度センサ出力スイッチ3からなる切換スイッチ回路とを備え、温度センサ出力スイッチ3は、トランスファーゲートスイッチ301,302を2段直列に接続し、この接続点に固定電位に接続した第3のスイッチ303を介在させてなり、発振出力を出力する時はトランスファーゲートスイッチ301,302をオフとして、第3のスイッチ303をオンとし、温度センサ出力を出力する時はトランスファーゲートスイッチ301,302をオンとして、第3のスイッチ303をオフとする。
【選択図】図1
Description
2 温度補償回路
3 温度センサ出力スイッチ
4 出力バッファ
5 EEPROM
6 出力端子
7 モード切換信号入力端子
101 水晶振動子
102 反転増幅回路
106,109 可変容量ダイオード
201 温度センサ
301,302 トランスファーゲートスイッチ
303 第3のスイッチ
Claims (2)
- 周囲温度に応じた制御信号によって出力周波数が制御される発振部と、この発振部に前記制御信号を供給する温度補償回路と、前記発振部の発振出力と前記温度補償回路の温度センサ出力とのいずれか一方を選択出力するようオンオフ制御される発振出力スイッチと温度センサ出力スイッチからなる切換スイッチ回路とを備え、前記温度センサ出力スイッチは、トランスファーゲートスイッチを2段直列に接続するとともに、この接続点に固定電位に接続した第3のスイッチを介在させてなり、前記切換スイッチ回路は、前記発振出力スイッチがオンの時は前記温度センサ出力スイッチの各トランスファーゲートスイッチがオフで前記第3のスイッチがオンとなり、前記発振出力スイッチがオフの時は前記温度センサ出力スイッチの各トランスファーゲートスイッチがオンで前記第3のスイッチがオフとなるよう構成したことを特徴とする発振回路。
- 前記請求項1の構成に加えて、切換スイッチ回路を制御する制御信号が入力される入力端子と、入力した制御信号によって前記切換スイッチ回路の温度センサ出力スイッチをオンオフ制御する温度センサ出力制御部と、前記切換スイッチ回路で選択された出力を出力する出力端子とを備え、前記切換スイッチ回路は、前記出力端子に発振出力を出力する時は、前記発振出力スイッチをオンとする一方、前記各トランスファーゲートスイッチをオフとして前記第3のスイッチをオンとし、前記出力端子に温度センサ出力を出力する時は、前記発振出力スイッチをオフとする一方、前記各トランスファーゲートスイッチをオンとして前記第3のスイッチをオフとするよう構成したことを特徴とする発振回路。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008067580A JP5058856B2 (ja) | 2008-03-17 | 2008-03-17 | 発振回路 |
KR1020090020187A KR101622929B1 (ko) | 2008-03-17 | 2009-03-10 | 발진회로 |
TW98107865A TWI472160B (zh) | 2008-03-17 | 2009-03-11 | Oscillation circuit |
US12/382,348 US7880553B2 (en) | 2008-03-17 | 2009-03-13 | Oscillation circuit with temperature compensation |
CN200910130788.7A CN101557197B (zh) | 2008-03-17 | 2009-03-17 | 振荡电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008067580A JP5058856B2 (ja) | 2008-03-17 | 2008-03-17 | 発振回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009225123A true JP2009225123A (ja) | 2009-10-01 |
JP5058856B2 JP5058856B2 (ja) | 2012-10-24 |
Family
ID=41062379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008067580A Active JP5058856B2 (ja) | 2008-03-17 | 2008-03-17 | 発振回路 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7880553B2 (ja) |
JP (1) | JP5058856B2 (ja) |
KR (1) | KR101622929B1 (ja) |
CN (1) | CN101557197B (ja) |
TW (1) | TWI472160B (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014072716A (ja) * | 2012-09-28 | 2014-04-21 | Seiko Epson Corp | 集積回路、振動デバイス、電子機器、移動体及び集積回路のモード切り替え方法 |
JP2015126286A (ja) * | 2013-12-25 | 2015-07-06 | セイコーエプソン株式会社 | 発振回路、発振器、電子機器、移動体及び発振器の製造方法 |
JP2016152541A (ja) * | 2015-02-18 | 2016-08-22 | セイコーエプソン株式会社 | 発振回路、電子機器、移動体及び発振回路の調整方法 |
JP2020123783A (ja) * | 2019-01-29 | 2020-08-13 | セイコーエプソン株式会社 | 発振回路、発振器、電子機器及び移動体 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6106018B2 (ja) * | 2013-04-24 | 2017-03-29 | ルネサスエレクトロニクス株式会社 | 半導体装置、発振回路及び信号処理システム |
CN107014507B (zh) * | 2017-05-24 | 2019-02-15 | 杭州电子科技大学 | 一种基于rc振荡器的片上温度传感器 |
US10574181B2 (en) * | 2018-05-17 | 2020-02-25 | Microsoft Technology Licensing, Llc | Circuit with shunt path |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10190354A (ja) * | 1996-12-24 | 1998-07-21 | Texas Instr Japan Ltd | 水晶発振回路 |
JPH11136032A (ja) * | 1997-10-31 | 1999-05-21 | Citizen Watch Co Ltd | 温度補償型発振器およびその調整方法 |
JP2001102870A (ja) * | 1999-09-30 | 2001-04-13 | Meidensha Corp | 水晶発振器 |
JP2005136552A (ja) * | 2003-10-29 | 2005-05-26 | Matsushita Electric Ind Co Ltd | 水晶発振制御装置 |
JP2006025336A (ja) * | 2004-07-09 | 2006-01-26 | Epson Toyocom Corp | 圧電発振器とその調整方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000155153A (ja) | 1998-11-24 | 2000-06-06 | Matsushita Electric Ind Co Ltd | 半導体装置 |
JP3555080B2 (ja) * | 2000-10-19 | 2004-08-18 | Necエレクトロニクス株式会社 | 汎用ロジックモジュール及びこれを用いたセル |
JP2003046334A (ja) | 2001-07-27 | 2003-02-14 | Nec Microsystems Ltd | 温度補償型水晶発振器 |
JP3973910B2 (ja) | 2002-01-21 | 2007-09-12 | シチズンホールディングス株式会社 | 温度補償型発振器の製造方法 |
EP1550215B1 (de) * | 2002-10-09 | 2008-03-19 | Siemens Aktiengesellschaft | Verfahren und vorrichtung zur betätigung eines leistungsschalters |
CN2669476Y (zh) * | 2003-11-13 | 2005-01-05 | 上海华虹集成电路有限责任公司 | 带温度及工艺补偿功能的环形振荡器 |
US7385453B2 (en) * | 2006-03-31 | 2008-06-10 | Silicon Laboratories Inc. | Precision oscillator having improved temperature coefficient control |
-
2008
- 2008-03-17 JP JP2008067580A patent/JP5058856B2/ja active Active
-
2009
- 2009-03-10 KR KR1020090020187A patent/KR101622929B1/ko active IP Right Grant
- 2009-03-11 TW TW98107865A patent/TWI472160B/zh active
- 2009-03-13 US US12/382,348 patent/US7880553B2/en active Active
- 2009-03-17 CN CN200910130788.7A patent/CN101557197B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10190354A (ja) * | 1996-12-24 | 1998-07-21 | Texas Instr Japan Ltd | 水晶発振回路 |
JPH11136032A (ja) * | 1997-10-31 | 1999-05-21 | Citizen Watch Co Ltd | 温度補償型発振器およびその調整方法 |
JP2001102870A (ja) * | 1999-09-30 | 2001-04-13 | Meidensha Corp | 水晶発振器 |
JP2005136552A (ja) * | 2003-10-29 | 2005-05-26 | Matsushita Electric Ind Co Ltd | 水晶発振制御装置 |
JP2006025336A (ja) * | 2004-07-09 | 2006-01-26 | Epson Toyocom Corp | 圧電発振器とその調整方法 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014072716A (ja) * | 2012-09-28 | 2014-04-21 | Seiko Epson Corp | 集積回路、振動デバイス、電子機器、移動体及び集積回路のモード切り替え方法 |
JP2015126286A (ja) * | 2013-12-25 | 2015-07-06 | セイコーエプソン株式会社 | 発振回路、発振器、電子機器、移動体及び発振器の製造方法 |
US9312809B2 (en) | 2013-12-25 | 2016-04-12 | Seiko Epson Corporation | Oscillation circuit, oscillator, electronic device, moving object, and manufacturing method of oscillator |
JP2016152541A (ja) * | 2015-02-18 | 2016-08-22 | セイコーエプソン株式会社 | 発振回路、電子機器、移動体及び発振回路の調整方法 |
JP2020123783A (ja) * | 2019-01-29 | 2020-08-13 | セイコーエプソン株式会社 | 発振回路、発振器、電子機器及び移動体 |
US10897227B2 (en) | 2019-01-29 | 2021-01-19 | Seiko Epson Corporation | Oscillation circuit, oscillator, electronic device, and vehicle |
JP7234656B2 (ja) | 2019-01-29 | 2023-03-08 | セイコーエプソン株式会社 | 発振回路、発振器、電子機器及び移動体 |
Also Published As
Publication number | Publication date |
---|---|
US20090231049A1 (en) | 2009-09-17 |
JP5058856B2 (ja) | 2012-10-24 |
TW200945783A (en) | 2009-11-01 |
US7880553B2 (en) | 2011-02-01 |
TWI472160B (zh) | 2015-02-01 |
CN101557197B (zh) | 2013-09-18 |
KR20090099466A (ko) | 2009-09-22 |
CN101557197A (zh) | 2009-10-14 |
KR101622929B1 (ko) | 2016-05-20 |
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