JP2015515839A - オーディオ周波数増幅器および安定化電源のためのパルス発生回路 - Google Patents
オーディオ周波数増幅器および安定化電源のためのパルス発生回路 Download PDFInfo
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- JP2015515839A JP2015515839A JP2015509261A JP2015509261A JP2015515839A JP 2015515839 A JP2015515839 A JP 2015515839A JP 2015509261 A JP2015509261 A JP 2015509261A JP 2015509261 A JP2015509261 A JP 2015509261A JP 2015515839 A JP2015515839 A JP 2015515839A
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- 230000004044 response Effects 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 12
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- 238000013461 design Methods 0.000 description 2
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- 238000013459 approach Methods 0.000 description 1
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- 230000020169 heat generation Effects 0.000 description 1
- ZUXNZUWOTSUBMN-UHFFFAOYSA-N hydralazine hydrochloride Chemical compound Cl.C1=CC=C2C(NN)=NN=CC2=C1 ZUXNZUWOTSUBMN-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/217—Class D power amplifiers; Switching amplifiers
- H03F3/2173—Class D power amplifiers; Switching amplifiers of the bridge type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/01—Shaping pulses
- H03K5/02—Shaping pulses by amplifying
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
- H03K9/08—Demodulating pulses which have been modulated with a continuously-variable signal of duration- or width-mudulated pulses or of duty-cycle modulated pulses
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (17)
- 第1の信号に応答して一連のパルスを生成するための回路であって、
第2の信号を入力として受け取る損失積分器と、
前記損失積分器の出力を入力の一方で受け取り、前記第1の信号を入力の他方で受け取る比較器と、を備える回路。 - 前記損失積分器は、抵抗器とキャパシタとを直列に備える請求項1に記載の回路。
- 前記損失積分器は、
抵抗器とキャパシタとを直列に備え、さらに
前記キャパシタと並列の抵抗器を備え、
前記損失積分器に対する前記入力は、両方の抵抗器に印加され、前記損失積分器の前記出力は、前記キャパシタの両端で生成される請求項1に記載の回路。 - 前記損失積分器と
前記比較器のうちの少なくともいずれかは、デジタル演算を使用して実装される請求項1に記載の回路。 - 前記比較器の出力によって決定される信号は、少なくとも1つのスイッチング素子の切り換えを制御する請求項1から4のいずれか一項に記載の回路。
- 前記スイッチング素子は、ハーフブリッジ構成である請求項5に記載の回路。
- 前記スイッチング素子は、フルブリッジ構成である請求項5に記載の回路。
- 前記スイッチング素子は、負荷に対する電源を切り換える請求項5から7のいずれか一項に記載の回路。
- ローパス・フィルタは、前記スイッチング素子と前記負荷の間に置かれる請求項8に記載の回路。
- 前記負荷は、ローパス・フィルタとしても作用する請求項9に記載の回路。
- 前記第2の信号は、少なくとも部分的に、少なくとも1つのスイッチング素子の出力に依存する請求項1から10のいずれか一項に記載の回路。
- 前記第1の信号は、少なくとも部分的に、バイアス信号に依存する請求項1から11のいずれか一項に記載の回路。
- 前記第1の信号は、少なくとも部分的に、増幅されるべき信号に依存する請求項1から12のいずれか一項に記載の回路。
- 各スイッチング素子は、トランジスタである請求項1から13のいずれか一項に記載の回路。
- 各トランジスタは、FETである請求項14に記載の回路。
- 請求項1から12のいずれか一項に記載の回路を備える安定化電源。
- 請求項1から12のいずれか一項に記載の回路を備える増幅器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2012901689 | 2012-04-30 | ||
AU2012901689A AU2012901689A0 (en) | 2012-04-30 | A circuit | |
PCT/AU2013/000452 WO2013163691A1 (en) | 2012-04-30 | 2013-04-30 | Pulse generating circuit for audio-frequency amplifiers and regulated power supplies |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2015515839A true JP2015515839A (ja) | 2015-05-28 |
JP2015515839A5 JP2015515839A5 (ja) | 2016-07-21 |
JP6219371B2 JP6219371B2 (ja) | 2017-10-25 |
Family
ID=49514108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015509261A Expired - Fee Related JP6219371B2 (ja) | 2012-04-30 | 2013-04-30 | オーディオ周波数増幅器および安定化電源のためのパルス発生回路 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9444439B2 (ja) |
EP (1) | EP2845315A4 (ja) |
JP (1) | JP6219371B2 (ja) |
CN (1) | CN104584424A (ja) |
IN (1) | IN2014MN02429A (ja) |
WO (1) | WO2013163691A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015007696B3 (de) * | 2015-06-18 | 2016-12-15 | Iie Gmbh & Co. Kg | Spannungsquelle für modulierte Gleichspannungen |
US10862442B2 (en) * | 2017-11-10 | 2020-12-08 | Cirrus Logic, Inc. | Low power dissipation high performance Class-D amplifier |
EP3946470A4 (en) * | 2019-04-05 | 2023-05-31 | Earli Inc. | IMPROVED METHODS AND COMPOSITIONS FOR SYNTHETIC BIOMARKERS |
GB2624053A (en) * | 2022-11-07 | 2024-05-08 | Cirrus Logic Int Semiconductor Ltd | Voltage supply |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5828705A (en) * | 1996-02-01 | 1998-10-27 | Kroeger; Brian W. | Carrier tracking technique and apparatus having automatic flywheel/tracking/reacquisition control and extended signal to noise ratio |
US6316992B1 (en) * | 1999-07-29 | 2001-11-13 | Tripath Technology, Inc. | DC offset calibration for a digital switching amplifier |
JP2003110375A (ja) * | 2001-09-27 | 2003-04-11 | Yamaha Corp | 自走式pwm増幅器 |
US20060071697A1 (en) * | 2002-11-22 | 2006-04-06 | Koninklijke Philips Electronics N.V. | Pwm generator |
JP2009060466A (ja) * | 2007-08-31 | 2009-03-19 | Kenwood Corp | D級増幅装置 |
WO2009101905A1 (ja) * | 2008-02-14 | 2009-08-20 | Nec Corporation | 電力増幅器 |
JP2012060613A (ja) * | 2010-09-13 | 2012-03-22 | Uinzu:Kk | 自励型発振回路及びd級増幅装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5838515A (en) * | 1996-04-30 | 1998-11-17 | Quantum Corporation | PWM/linear driver for disk drive voice coil actuator |
US6107875A (en) * | 1998-10-15 | 2000-08-22 | Intersil Corporation | Variable frequency class D modulator with built in soft clipping and frequency limiting |
US6614297B2 (en) * | 2001-07-06 | 2003-09-02 | Texas Instruments Incorporated | Modulation scheme for filterless switching amplifiers with reduced EMI |
US20030214274A1 (en) * | 2002-05-14 | 2003-11-20 | Lethellier Patrice R. | Multiple-phase power converter having current sharing and high frequency filtering |
US7443105B2 (en) * | 2006-06-15 | 2008-10-28 | American Electric Cord, Inc. | Ballast circuit for gas discharge lamps |
CN101485082B (zh) * | 2006-07-07 | 2013-06-19 | Nxp股份有限公司 | D类音频放大器 |
US7492219B1 (en) * | 2006-08-10 | 2009-02-17 | Marvell International Ltd. | Power efficient amplifier |
CN100588115C (zh) * | 2006-09-18 | 2010-02-03 | 晶豪科技股份有限公司 | 半波式脉冲宽度调制式d类音频放大器 |
NL1035333C2 (nl) * | 2008-04-23 | 2009-10-26 | Hypex Electronics B V | Werkwijze en stuurschakeling voor het sturen van pulsbreedtemodulatie. |
GB2473625A (en) * | 2009-09-17 | 2011-03-23 | Powervation Ltd | Adaptive analog compensator for a power supply |
-
2013
- 2013-04-30 CN CN201380022922.6A patent/CN104584424A/zh active Pending
- 2013-04-30 EP EP13784476.7A patent/EP2845315A4/en not_active Withdrawn
- 2013-04-30 US US14/397,819 patent/US9444439B2/en active Active
- 2013-04-30 JP JP2015509261A patent/JP6219371B2/ja not_active Expired - Fee Related
- 2013-04-30 WO PCT/AU2013/000452 patent/WO2013163691A1/en active Application Filing
-
2014
- 2014-11-28 IN IN2429MUN2014 patent/IN2014MN02429A/en unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5828705A (en) * | 1996-02-01 | 1998-10-27 | Kroeger; Brian W. | Carrier tracking technique and apparatus having automatic flywheel/tracking/reacquisition control and extended signal to noise ratio |
US6316992B1 (en) * | 1999-07-29 | 2001-11-13 | Tripath Technology, Inc. | DC offset calibration for a digital switching amplifier |
JP2003110375A (ja) * | 2001-09-27 | 2003-04-11 | Yamaha Corp | 自走式pwm増幅器 |
US20060071697A1 (en) * | 2002-11-22 | 2006-04-06 | Koninklijke Philips Electronics N.V. | Pwm generator |
JP2009060466A (ja) * | 2007-08-31 | 2009-03-19 | Kenwood Corp | D級増幅装置 |
WO2009101905A1 (ja) * | 2008-02-14 | 2009-08-20 | Nec Corporation | 電力増幅器 |
JP2012060613A (ja) * | 2010-09-13 | 2012-03-22 | Uinzu:Kk | 自励型発振回路及びd級増幅装置 |
Also Published As
Publication number | Publication date |
---|---|
JP6219371B2 (ja) | 2017-10-25 |
IN2014MN02429A (ja) | 2015-08-14 |
CN104584424A (zh) | 2015-04-29 |
WO2013163691A1 (en) | 2013-11-07 |
US9444439B2 (en) | 2016-09-13 |
EP2845315A1 (en) | 2015-03-11 |
EP2845315A4 (en) | 2016-06-22 |
US20150145582A1 (en) | 2015-05-28 |
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