JP7101499B2 - 発振回路 - Google Patents
発振回路 Download PDFInfo
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- JP7101499B2 JP7101499B2 JP2018043933A JP2018043933A JP7101499B2 JP 7101499 B2 JP7101499 B2 JP 7101499B2 JP 2018043933 A JP2018043933 A JP 2018043933A JP 2018043933 A JP2018043933 A JP 2018043933A JP 7101499 B2 JP7101499 B2 JP 7101499B2
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/01—Details
- H03K3/011—Modifications of generator to compensate for variations in physical values, e.g. voltage, temperature
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
- H03K3/354—Astable circuits
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
- G05F1/567—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor for temperature compensation
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/24—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only
- G05F3/242—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only with compensation for device parameters, e.g. channel width modulation, threshold voltage, processing, or external variations, e.g. temperature, loading, supply voltage
- G05F3/245—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations wherein the transistors are of the field-effect type only with compensation for device parameters, e.g. channel width modulation, threshold voltage, processing, or external variations, e.g. temperature, loading, supply voltage producing a voltage or current as a predetermined function of the temperature
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is dc
- G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/26—Current mirrors
- G05F3/262—Current mirrors using field-effect transistors only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
- H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
-
- 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
-
- 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
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1228—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more field effect transistors
-
- 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
- H03B5/20—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator
- H03B5/24—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising resistance and either capacitance or inductance, e.g. phase-shift oscillator active element in amplifier being semiconductor device
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/023—Generators characterised by the type of circuit or by the means used for producing pulses by the use of differential amplifiers or comparators, with internal or external positive feedback
- H03K3/0231—Astable circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
- H03K3/03—Astable circuits
- H03K3/0315—Ring oscillators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
- H03K3/037—Bistable circuits
- H03K3/0375—Bistable circuits provided with means for increasing reliability; for protection; for ensuring a predetermined initial state when the supply voltage has been applied; for storing the actual state when the supply voltage fails
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/353—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of field-effect transistors with internal or external positive feedback
- H03K3/356—Bistable circuits
- H03K3/356008—Bistable circuits ensuring a predetermined initial state when the supply voltage has been applied; storing the actual state when the supply voltage fails
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Control Of Electrical Variables (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Description
図1は、第1の実施形態の発振回路100を示す図であり、定電流回路1、充放電回路2、制御回路3で構成される。
図3は、第2の実施形態の発振回路の充放電回路2と制御回路3と波形整形回路4を示す図であり、第1の実施形態の発振回路100に波形整形回路4を備えた点が異なり、その他は第1の実施形態と同様である。第1の実施形態と同様の部分の説明は省略する。
図4は、第3の実施形態の発振回路の充放電回路2と制御回路3と電圧ブースト回路5を示す図であり、第1の実施形態の発振回路100に電圧ブースト回路5を備えた点が異なり、その他は第1の実施形態と同様である。第1の実施形態と同様の部分の説明は省略する。
図5は、第4の実施形態の発振回路の定電流回路1aを示す図であり、第1の実施形態の定電流回路1にカスコード回路6を備えたものである。本実施形態の発振回路は、具体的には、PMOSトランジスタ11、NMOSトランジスタ21の間、及びPMOSトランジスタ12、NMOSトランジスタ22の間にカスコード回路を備え、カスコードカレントミラー回路構成の定電流回路1aとした。カスコード回路6は、エンハンスメント型のPMOSトランジスタ601~605、エンハンスメント型のNMOSトランジスタ611~614を備える。
2 充放電回路
3 制御回路
4 波形整形回路
5 電圧ブースト回路
6 カスコード回路
30~32 デプレッション型のPMOSトランジスタ
40 RSラッチ
C1、C2 容量
Claims (4)
- 第1のデプレッション型のMOSトランジスタを有し、前記第1のデプレッション型のMOSトランジスタに基づく電流を供給する定電流回路と、
第1の容量と、第2の容量と、前記第1の容量を充電する電流経路に設け、前記第1のデプレッション型のMOSトランジスタとしきい値電圧が同じで前記しきい値電圧の温度特性が同じである第2のデプレッション型のMOSトランジスタと、前記第2の容量を充電する電流経路に設け、前記第1のデプレッション型のMOSトランジスタとしきい値電圧が同じで前記しきい値電圧の温度特性が同じである第3のデプレッション型のMOSトランジスタとを有し、前記第1のデプレッション型のMOSトランジスタに基づく電流で前記第1の容量を充電し、前記第2のデプレッション型のMOSトランジスタのしきい値電圧に基づいて前記第1の容量の充電が完了するとリセット信号を出力し、前記第1のデプレッション型のMOSトランジスタに基づく電流で前記第2の容量を充電し、前記第3のデプレッション型のMOSトランジスタのしきい値電圧に基づいて前記第2の容量の充電が完了するとセット信号を出力する充放電回路と、
前記リセット信号の入力で立ち下り、前記セット信号の入力で立ち上がる波形を出力するRSラッチ回路を備えることを特徴とする発振回路。 - 前記充放電回路の前記リセット信号の出力と前記RSラッチ回路の前記リセット信号の入力との間に第1の波形整形回路を備え、前記充放電回路の前記セット信号の出力と前記RSラッチ回路の前記セット信号の入力との間に第2の波形整形回路を備えることを特徴とする請求項1に記載の発振回路。
- 前記充放電回路に更に電圧ブースト回路を備えることを特徴とする請求項1もしくは請求項2に記載の発振回路。
- 前記定電流回路をカスコードカレントミラー回路構成にしたことを特徴とする請求項1から請求項3のいずれかに記載の発振回路。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018043933A JP7101499B2 (ja) | 2018-03-12 | 2018-03-12 | 発振回路 |
TW108101057A TW201939884A (zh) | 2018-03-12 | 2019-01-10 | 振盪電路 |
KR1020190006235A KR20190107564A (ko) | 2018-03-12 | 2019-01-17 | 발진 회로 |
US16/250,479 US10651831B2 (en) | 2018-03-12 | 2019-01-17 | Oscillation circuit |
CN201910052843.9A CN110266270A (zh) | 2018-03-12 | 2019-01-21 | 振荡电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018043933A JP7101499B2 (ja) | 2018-03-12 | 2018-03-12 | 発振回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019161379A JP2019161379A (ja) | 2019-09-19 |
JP7101499B2 true JP7101499B2 (ja) | 2022-07-15 |
Family
ID=67843532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018043933A Active JP7101499B2 (ja) | 2018-03-12 | 2018-03-12 | 発振回路 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10651831B2 (ja) |
JP (1) | JP7101499B2 (ja) |
KR (1) | KR20190107564A (ja) |
CN (1) | CN110266270A (ja) |
TW (1) | TW201939884A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6886544B1 (ja) * | 2020-04-20 | 2021-06-16 | ウィンボンド エレクトロニクス コーポレーション | 発振回路 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006092842A1 (ja) | 2005-02-28 | 2006-09-08 | Fujitsu Limited | 電流制御発振器 |
JP6177719B2 (ja) | 2014-04-02 | 2017-08-09 | 新電元工業株式会社 | 点火装置および点火システム |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0561469A3 (en) * | 1992-03-18 | 1993-10-06 | National Semiconductor Corporation | Enhancement-depletion mode cascode current mirror |
JP3186267B2 (ja) * | 1992-12-07 | 2001-07-11 | 日本電気株式会社 | クロック発生回路 |
US5699024A (en) * | 1996-05-06 | 1997-12-16 | Delco Electronics Corporation | Accurate integrated oscillator circuit |
US5870345A (en) * | 1997-09-04 | 1999-02-09 | Siemens Aktiengesellschaft | Temperature independent oscillator |
JP2006222524A (ja) * | 2005-02-08 | 2006-08-24 | Rohm Co Ltd | 発振回路 |
US8232846B1 (en) * | 2009-03-02 | 2012-07-31 | Marvell International Ltd. | Resistor capacitor (RC) oscillator |
CN103312265B (zh) * | 2012-03-12 | 2017-07-04 | 飞思卡尔半导体公司 | 振荡器电路 |
CN105071803A (zh) * | 2015-08-21 | 2015-11-18 | 东南大学 | 一种温度和工艺补偿型环形振荡器 |
-
2018
- 2018-03-12 JP JP2018043933A patent/JP7101499B2/ja active Active
-
2019
- 2019-01-10 TW TW108101057A patent/TW201939884A/zh unknown
- 2019-01-17 KR KR1020190006235A patent/KR20190107564A/ko unknown
- 2019-01-17 US US16/250,479 patent/US10651831B2/en active Active
- 2019-01-21 CN CN201910052843.9A patent/CN110266270A/zh not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006092842A1 (ja) | 2005-02-28 | 2006-09-08 | Fujitsu Limited | 電流制御発振器 |
JP6177719B2 (ja) | 2014-04-02 | 2017-08-09 | 新電元工業株式会社 | 点火装置および点火システム |
Also Published As
Publication number | Publication date |
---|---|
JP2019161379A (ja) | 2019-09-19 |
TW201939884A (zh) | 2019-10-01 |
US20190280677A1 (en) | 2019-09-12 |
CN110266270A (zh) | 2019-09-20 |
KR20190107564A (ko) | 2019-09-20 |
US10651831B2 (en) | 2020-05-12 |
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