JP6349097B2 - 入力信号増幅器 - Google Patents
入力信号増幅器 Download PDFInfo
- Publication number
- JP6349097B2 JP6349097B2 JP2014019205A JP2014019205A JP6349097B2 JP 6349097 B2 JP6349097 B2 JP 6349097B2 JP 2014019205 A JP2014019205 A JP 2014019205A JP 2014019205 A JP2014019205 A JP 2014019205A JP 6349097 B2 JP6349097 B2 JP 6349097B2
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- JP
- Japan
- Prior art keywords
- input signal
- amplifier
- switch
- signal amplifier
- input
- 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.)
- Expired - Fee Related
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- 239000013078 crystal Substances 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 230000004913 activation Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 101150110971 CIN7 gene Proteins 0.000 description 1
- 101100286980 Daucus carota INV2 gene Proteins 0.000 description 1
- -1 Delay circuit D1 Proteins 0.000 description 1
- 101150110298 INV1 gene Proteins 0.000 description 1
- 102100029469 WD repeat and HMG-box DNA-binding protein 1 Human genes 0.000 description 1
- 101710097421 WD repeat and HMG-box DNA-binding protein 1 Proteins 0.000 description 1
- 101100397044 Xenopus laevis invs-a gene Proteins 0.000 description 1
- 101100397045 Xenopus laevis invs-b gene Proteins 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
- H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
- H03F3/3022—CMOS common source output SEPP amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/129—Indexing scheme relating to amplifiers there being a feedback over the complete amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/30—Indexing scheme relating to single-ended push-pull [SEPP]; Phase-splitters therefor
- H03F2203/30031—A resistor being coupled as feedback circuit in the SEPP amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Description
図2は、本発明の実施の形態1に係る入力信号増幅器10の構成を示す図である。以下、入力信号増幅器10の構成について図2を用いて説明する。
図8は、本発明の実施の形態2に係る水晶発振器20の構成を示す図ある。以下、水晶発振器20の構成について図8を用いて説明する。
12 帰還抵抗部
13 入力信号源
14 ON/OFF制御信号部
Claims (12)
- 入力信号を増幅する入力信号増幅器であって、
入力端から入力される前記入力信号の論理を反転させて出力端から出力する反転増幅器と、
前記反転増幅器の前記入力端を接地するか否かを切り替える第1のスイッチと、
前記反転増幅器と並列に接続された帰還抵抗と、
前記帰還抵抗及び前記反転増幅器と並列に接続された第2のスイッチと、
前記第1及び第2のスイッチのONまたはOFFを、当該入力信号増幅器の状態に応じて制御するON/OFF制御信号部と、
を具備し、
前記ON/OFF制御信号部は、当該入力信号増幅器の状態が急速起動時に、前記第2のスイッチをONに制御することにより、前記反転増幅器から前記帰還抵抗を切り離す、
入力信号増幅器。 - 前記ON/OFF制御信号部はさらに、当該入力信号増幅器の状態が急速起動時に、前記第1のスイッチをOFFに制御する、
請求項1に記載の入力信号増幅器。 - 当該入力信号増幅器の状態がOFF時、急速起動時、ON時における前記第1および第2のスイッチの一連の制御を前記ON/OFF制御信号部の一つの制御信号入力が行う、
請求項1に記載の入力信号増幅器。 - 前記帰還抵抗は、第1の抵抗と第2の抵抗とを有し、
前記第1の抵抗と前記第2の抵抗の間に直列に接続された第3のスイッチをさらに有する、
請求項1に記載の入力信号増幅器。 - 前記第1の抵抗と前記第2の抵抗の抵抗値は等しい、
請求項4に記載の入力信号増幅器。 - 前記ON/OFF制御信号部は、当該入力信号増幅器の状態がOFF時に、前記第1のスイッチをONに制御することにより前記反転増幅器の前記入力端を接地するとともに、前記第2のスイッチ及び前記第3のスイッチをOFFに制御する、
請求項4に記載の入力信号増幅器。 - 前記反転増幅器は、インバータ型である、
請求項1に記載の入力信号増幅回路。 - 前記反転増幅器は、Nch定電流注入型である、
請求項1に記載の入力信号増幅回路。 - 請求項1に記載の入力信号増幅器と、
前記反転増幅器と並列に接続された水晶振動子と、
を備えた水晶発振器。 - 請求項1に記載の入力信号増幅器を備えた半導体集積回路。
- 請求項1に記載の入力信号増幅器を備えた無線通信装置。
- 請求項1に記載の入力信号増幅器を備えた電子機器。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014019205A JP6349097B2 (ja) | 2014-02-04 | 2014-02-04 | 入力信号増幅器 |
US14/606,638 US9154082B2 (en) | 2014-02-04 | 2015-01-27 | Input signal amplifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014019205A JP6349097B2 (ja) | 2014-02-04 | 2014-02-04 | 入力信号増幅器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015146545A JP2015146545A (ja) | 2015-08-13 |
JP6349097B2 true JP6349097B2 (ja) | 2018-06-27 |
Family
ID=53755667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014019205A Expired - Fee Related JP6349097B2 (ja) | 2014-02-04 | 2014-02-04 | 入力信号増幅器 |
Country Status (2)
Country | Link |
---|---|
US (1) | US9154082B2 (ja) |
JP (1) | JP6349097B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019057844A (ja) * | 2017-09-21 | 2019-04-11 | 新日本無線株式会社 | クロック信号増幅回路 |
CN111193476B (zh) * | 2020-02-27 | 2022-10-14 | 广州慧智微电子股份有限公司 | 一种放大器及放大方法 |
KR20220037768A (ko) | 2020-09-18 | 2022-03-25 | 삼성전자주식회사 | 위상 잡음을 감소한 크리스탈 발진기 및 이를 포함하는 반도체 칩 |
US11736066B2 (en) * | 2021-12-22 | 2023-08-22 | Realtek Semiconductor Corporation | Oscillation circuit and method of automatic duty cycle calibration |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6326009A (ja) * | 1986-07-17 | 1988-02-03 | Rohm Co Ltd | 発振回路 |
US5764112A (en) * | 1996-08-27 | 1998-06-09 | Microclock Incorporated | Fully integrated voltage-controlled crystal oscillator |
EP0872794A2 (en) * | 1997-04-16 | 1998-10-21 | Yozan Inc. | Computational circuit for adding multi-valued numbers |
US5982246A (en) * | 1998-04-06 | 1999-11-09 | Microchip Technology Incorporated | Crystal oscillator having prestressing bias circuit to provide fast start-up |
JP2000101355A (ja) * | 1998-09-17 | 2000-04-07 | Fujitsu Ltd | 増幅回路及びそれを備えた半導体集積回路 |
JP2001168642A (ja) * | 1999-12-03 | 2001-06-22 | Nec Corp | 発振回路 |
JP4401523B2 (ja) * | 2000-03-09 | 2010-01-20 | 旭化成エレクトロニクス株式会社 | 水晶発振器 |
JP4489922B2 (ja) * | 2000-09-22 | 2010-06-23 | 株式会社日立国際電気 | 復調方法 |
GB0505060D0 (en) * | 2005-03-11 | 2005-04-20 | Innovision Res & Tech Plc | Gain controlled impedance |
JP4625732B2 (ja) | 2005-07-25 | 2011-02-02 | 富士通セミコンダクター株式会社 | 入力増幅回路 |
EP1811654A1 (en) * | 2006-01-20 | 2007-07-25 | Stmicroelectronics SA | Amplifier feedback switch configuration with improved PSRR |
EP2063531A4 (en) * | 2006-09-14 | 2015-07-22 | Nec Corp | REINFORCEMENT UNIT, EXIT CONTROL PROCEDURE AND CONTROL PROGRAM |
JP2010087571A (ja) * | 2008-09-29 | 2010-04-15 | Nec Electronics Corp | 発振回路およびその制御方法 |
WO2010082585A1 (ja) * | 2009-01-19 | 2010-07-22 | 株式会社日立製作所 | トランスインピーダンスアンプおよびponシステム |
US8442466B2 (en) * | 2009-06-26 | 2013-05-14 | Qualcomm Incorporated | FM transmitter with a delta-sigma modulator and a phase-locked loop |
JP2012165169A (ja) * | 2011-02-07 | 2012-08-30 | Renesas Electronics Corp | A/d変換器及び半導体装置 |
-
2014
- 2014-02-04 JP JP2014019205A patent/JP6349097B2/ja not_active Expired - Fee Related
-
2015
- 2015-01-27 US US14/606,638 patent/US9154082B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2015146545A (ja) | 2015-08-13 |
US9154082B2 (en) | 2015-10-06 |
US20150222232A1 (en) | 2015-08-06 |
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