JP6439800B2 - 発振回路及び発振回路の駆動方法 - Google Patents
発振回路及び発振回路の駆動方法 Download PDFInfo
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- JP6439800B2 JP6439800B2 JP2016545017A JP2016545017A JP6439800B2 JP 6439800 B2 JP6439800 B2 JP 6439800B2 JP 2016545017 A JP2016545017 A JP 2016545017A JP 2016545017 A JP2016545017 A JP 2016545017A JP 6439800 B2 JP6439800 B2 JP 6439800B2
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- 230000010355 oscillation Effects 0.000 title claims description 108
- 238000000034 method Methods 0.000 title claims description 11
- 230000000630 rising effect Effects 0.000 claims description 19
- 238000007493 shaping process Methods 0.000 claims description 13
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 5
- 230000010356 wave oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 28
- 239000003990 capacitor Substances 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/0207—Driving circuits
- B06B1/0223—Driving circuits for generating signals continuous in time
- B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
- B06B1/0246—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
- B06B1/0253—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken directly from the generator circuit
-
- 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
- H03B5/26—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 frequency-determining element being part of bridge circuit in closed ring around which signal is transmitted; frequency-determining element being connected via a bridge circuit to such a closed ring, e.g. Wien-Bridge oscillator, parallel-T oscillator
-
- 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
- H03B5/364—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 the amplifier comprising field effect transistors
-
- 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
- H03L1/028—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only of generators comprising piezoelectric resonators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/50—Application to a particular transducer type
- B06B2201/55—Piezoelectric transducer
-
- 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
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/0002—Types of oscillators
- H03B2200/0008—Colpitts oscillator
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Circuit For Audible Band Transducer (AREA)
Description
このようにして得られた交流電圧波形を図14に一点鎖線で示す。この交流電圧波形Dでは、立ち上がり部及び立ち下がり部は、方形波よりも若干緩くなるが、正弦波よりは急峻である。そして、この場合においても、電圧波形と制動容量電流波形がほぼ同時に立ち上がり、短時間で減衰するため、制動容量電流IC0 と直列共振回路に流れる一次共振電流I1stを時間分離することができる。従って、このように立ち上がり部が正弦波よりも急峻である交流電圧波形Dを用いた場合にも、上記実施形態と同様に、安定に発振させることができる。
2,2A…増幅器
3…圧電共振子
4…増幅器
5…反転増幅器
6,6A…ローパスフィルタ
7,8,9,10…FET
42…第1の帰還回路部
43…第2の帰還回路部
51…発振回路
52…差動増幅器
52a…第1の入力端
52b…第2の入力端
52c…出力端
53…圧電共振子
54…交流電圧波形整形回路部
55…負帰還回路
61…発振回路
62…増幅器
63…圧電共振子
Ro,R1〜R10,R43〜R46…抵抗
Claims (13)
- 入力端及び出力端を有する第1の増幅器と、
前記第1の増幅器の前記入力端と前記出力端との間に接続されており、等価回路において、制動容量に流れる制動容量電流と、共振電流とのうち、制動容量電流が支配的である、圧電共振子と、
前記圧電共振子の前記等価回路における制動容量に流れる制動容量電流を減衰させ、共振電流を通過させるフィルタとを備え、
前記第1の増幅器の出力端から前記圧電共振子に流れる電流を前記入力端に帰還している発振回路において、
立ち上がり部が正弦波よりも急峻な交流電圧波形を前記圧電共振子に与える交流電圧波形整形回路部を有し、
前記交流電圧波形整形回路部が、略方形波を前記圧電共振子に出力する励振用の第2の増幅器であり、
前記第2の増幅器において入力電圧のしきい値が、入力信号の立ち上がり時と立ち下がり時で異なる、発振回路。 - 前記圧電共振子に接続されており、前記励振用の前記第2の増幅器とともに前記圧電共振子を差動駆動するための差動駆動用増幅器をさらに備える、請求項1に記載の発振回路。
- 前記圧電共振子と直列に直列抵抗が設けられており、前記直列抵抗の電圧降下により、前記圧電共振子に流れる電流を電圧へ変換させる、請求項1または2に記載の発振回路。
- 前記第1の増幅器が、第1及び第2の入力端と、出力端とを有する演算増幅器からなり、前記フィルタが、前記第1または第2の入力端と、前記出力端との間に接続されている、請求項1に記載の発振回路。
- 前記フィルタが、前記第1または第2の入力端と、前記出力端との間に接続されている静電容量と、前記静電容量と並列に接続されており、かつ互いに直列に接続されている第1及び第2の抵抗と、前記第1の抵抗と前記第2の抵抗との間の接続点に接続されている第3の抵抗とを有し、前記第1、第2及び第3の抵抗によりT型回路が構成されている、請求項4に記載の発振回路。
- 前記直列抵抗は、温度によって抵抗値が変化する特性を有し、温度補償用抵抗である、請求項3に記載の発振回路。
- 前記フィルタは、温度によってカットオフ周波数が変化する、温度補償機能を有するフィルタである、請求項4または5に記載の発振回路。
- 前記第1の増幅器の入力信号範囲が第2の増幅器の出力振幅範囲以上の範囲である、請求項1に記載の発振回路。
- 前記第1の増幅器と前記第2の増幅器とが兼用されている、請求項1または8に記載の発振回路。
- 差動増幅型の発振回路であって、前記第1の増幅器として、第1,第2の入力端と出力端とを有する差動増幅器を有し、
前記第1の入力端と前記出力端及び前記第2の入力端と前記出力端とが電気的に接続されており、前記第1の入力端と前記出力端とを接続している第1の帰還回路部分に前記圧電共振子が設けられている、請求項1に記載の発振回路。 - 単帰還型発振回路である、請求項1に記載の発振回路。
- 前記交流電圧波形が、略方形波である、請求項1〜7のいずれか1項に記載の発振回路。
- 請求項1〜12のいずれか1項に記載の発振回路の駆動方法であって、電流を帰還し、前記圧電共振子に、立ち上がり部が正弦波よりも急峻である交流電圧波形を印加し、前記圧電共振子に流れる電流を帰還する、発振回路の駆動方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2014175172 | 2014-08-29 | ||
JP2014175172 | 2014-08-29 | ||
PCT/JP2015/067911 WO2016031365A1 (ja) | 2014-08-29 | 2015-06-22 | 発振回路及び発振回路の駆動方法 |
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JPWO2016031365A1 JPWO2016031365A1 (ja) | 2017-06-15 |
JP6439800B2 true JP6439800B2 (ja) | 2018-12-19 |
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US (1) | US10461697B2 (ja) |
JP (1) | JP6439800B2 (ja) |
CN (1) | CN106794488B (ja) |
WO (1) | WO2016031365A1 (ja) |
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CN109480332B (zh) * | 2017-09-11 | 2024-04-30 | 湖南中烟工业有限责任公司 | 一种超声波电子烟追频电路及超声波电子烟 |
CN108449083B (zh) * | 2018-02-27 | 2021-07-09 | 博流智能科技(南京)有限公司 | 一种自适应易启动的振荡器幅度控制电路 |
DE102019119911A1 (de) * | 2019-07-23 | 2021-01-28 | Herrmann Ultraschalltechnik Gmbh & Co. Kg | Verfahren und Generator zur Charakterisierung eines Schwingsystems |
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JPS5558604A (en) | 1978-10-26 | 1980-05-01 | Mitsubishi Electric Corp | Self-oscillation circuit |
JPS6028849B2 (ja) | 1979-03-27 | 1985-07-06 | 株式会社トクヤマ | 複合イオン交換膜の製造方法 |
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JPH02101805A (ja) * | 1988-10-11 | 1990-04-13 | Nec Corp | 圧電振動子駆動回路 |
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JP2001313529A (ja) * | 2001-03-13 | 2001-11-09 | Seiko Epson Corp | 発振回路、定電圧発生回路、半導体装置、及びこれらを具備した携帯用電子機器および時計 |
JP2003224424A (ja) * | 2002-01-31 | 2003-08-08 | Kinseki Ltd | 圧電発振回路 |
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JP2013146004A (ja) * | 2012-01-16 | 2013-07-25 | Seiko Epson Corp | 振動デバイス及び電子機器 |
CN103825556B (zh) * | 2014-03-05 | 2017-01-11 | 上海华虹宏力半导体制造有限公司 | 振荡电路 |
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- 2015-06-22 WO PCT/JP2015/067911 patent/WO2016031365A1/ja active Application Filing
- 2015-06-22 CN CN201580045732.5A patent/CN106794488B/zh active Active
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JPWO2016031365A1 (ja) | 2017-06-15 |
US10461697B2 (en) | 2019-10-29 |
CN106794488A (zh) | 2017-05-31 |
WO2016031365A1 (ja) | 2016-03-03 |
CN106794488B (zh) | 2019-07-05 |
US20170170786A1 (en) | 2017-06-15 |
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