KR100760877B1 - 전압 공급 회로 및 마이크로폰 유닛 - Google Patents

전압 공급 회로 및 마이크로폰 유닛 Download PDF

Info

Publication number
KR100760877B1
KR100760877B1 KR1020060001626A KR20060001626A KR100760877B1 KR 100760877 B1 KR100760877 B1 KR 100760877B1 KR 1020060001626 A KR1020060001626 A KR 1020060001626A KR 20060001626 A KR20060001626 A KR 20060001626A KR 100760877 B1 KR100760877 B1 KR 100760877B1
Authority
KR
South Korea
Prior art keywords
voltage
booster
feedback resistor
output
stage
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
Application number
KR1020060001626A
Other languages
English (en)
Korean (ko)
Other versions
KR20060080892A (ko
Inventor
후미유키 니와
마사유키 이다
히로시게 기노시타
Original Assignee
엔이씨 일렉트로닉스 가부시키가이샤
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 엔이씨 일렉트로닉스 가부시키가이샤 filed Critical 엔이씨 일렉트로닉스 가부시키가이샤
Publication of KR20060080892A publication Critical patent/KR20060080892A/ko
Application granted granted Critical
Publication of KR100760877B1 publication Critical patent/KR100760877B1/ko
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D11/00—Suspension or cable-stayed bridges
    • E01D11/02—Suspension bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
    • E01D19/103—Parapets, railings ; Guard barriers or road-bridges
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
    • 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
    • H03F1/0211—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 supply voltage or current
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Multimedia (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
KR1020060001626A 2005-01-06 2006-01-06 전압 공급 회로 및 마이크로폰 유닛 Expired - Fee Related KR100760877B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JPJP-P-2005-00001381 2005-01-06
JP2005001381A JP4440121B2 (ja) 2005-01-06 2005-01-06 電圧供給回路およびマイクユニット

Publications (2)

Publication Number Publication Date
KR20060080892A KR20060080892A (ko) 2006-07-11
KR100760877B1 true KR100760877B1 (ko) 2007-09-21

Family

ID=36640476

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020060001626A Expired - Fee Related KR100760877B1 (ko) 2005-01-06 2006-01-06 전압 공급 회로 및 마이크로폰 유닛

Country Status (4)

Country Link
US (1) US7864970B2 (enExample)
JP (1) JP4440121B2 (enExample)
KR (1) KR100760877B1 (enExample)
CN (1) CN1801590B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101031655B1 (ko) 2008-03-17 2011-04-29 르네사스 일렉트로닉스 가부시키가이샤 반도체 집적 회로 및 콘덴서 마이크로폰

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7356151B2 (en) * 2004-03-30 2008-04-08 Akg Acoustic Gmbh Microphone system
US7728663B2 (en) * 2006-06-22 2010-06-01 Sige Semiconductor Inc. Integrated implementation of a voltage boost follower and method therefor
US8027489B1 (en) * 2006-07-07 2011-09-27 Analog Devices, Inc. Multi-voltage biasing system with over-voltage protection
US8077878B2 (en) * 2006-07-26 2011-12-13 Qualcomm Incorporated Low-power on-chip headset switch detection
JP2008083850A (ja) * 2006-09-26 2008-04-10 Nec Electronics Corp レギュレータ回路
KR101369398B1 (ko) * 2007-01-15 2014-03-04 삼성디스플레이 주식회사 액정 표시 장치 및 그의 구동 방법
US8456450B2 (en) 2007-06-28 2013-06-04 Apple Inc. Systems and methods for impedance stabilization
US8335328B2 (en) * 2007-10-24 2012-12-18 Winbond Electronics Corporation Programmable integrated microphone interface circuit
US8401208B2 (en) * 2007-11-14 2013-03-19 Infineon Technologies Ag Anti-shock methods for processing capacitive sensor signals
US8816659B2 (en) 2010-08-06 2014-08-26 Peregrine Semiconductor Corporation Low-noise high efficiency bias generation circuits and method
GB2466785B (en) * 2008-12-30 2011-06-08 Wolfson Microelectronics Plc Apparatus and method for testing a capacitive transducer and/or associated electronic circuitry
JP2010198570A (ja) * 2009-02-27 2010-09-09 Panasonic Corp 電圧供給回路
US8233643B1 (en) * 2010-03-23 2012-07-31 Fiberplex Technologies, LLC System and method for amplifying low level signals provided on electrical supply power
US9099961B2 (en) 2010-04-19 2015-08-04 Rf Micro Devices, Inc. Output impedance compensation of a pseudo-envelope follower power management system
US9431974B2 (en) 2010-04-19 2016-08-30 Qorvo Us, Inc. Pseudo-envelope following feedback delay compensation
US8493141B2 (en) 2010-04-19 2013-07-23 Rf Micro Devices, Inc. Pseudo-envelope following power management system
US9215529B2 (en) * 2010-07-18 2015-12-15 Bose Corporation Multi-mode audio device interfacing
US8494185B2 (en) * 2010-07-18 2013-07-23 Bose Corporation Electro-acoustic transducer tuning and data storage
US8494184B2 (en) * 2010-07-18 2013-07-23 Bose Corporation Digital data transfer via audio signal conductors
WO2012047738A1 (en) 2010-09-29 2012-04-12 Rf Micro Devices, Inc. SINGLE μC-BUCKBOOST CONVERTER WITH MULTIPLE REGULATED SUPPLY OUTPUTS
DE102011002937A1 (de) * 2011-01-20 2012-07-26 Ford Global Technologies, Llc Partikelsensor, Abgassystem und Verfahren zum Bestimmen von Partikeln im Abgas
US9379667B2 (en) 2011-05-05 2016-06-28 Rf Micro Devices, Inc. Multiple power supply input parallel amplifier based envelope tracking
US9246460B2 (en) 2011-05-05 2016-01-26 Rf Micro Devices, Inc. Power management architecture for modulated and constant supply operation
US9668076B2 (en) * 2011-06-21 2017-05-30 Apple Inc. Microphone headset failure detecting and reporting
US9263996B2 (en) 2011-07-20 2016-02-16 Rf Micro Devices, Inc. Quasi iso-gain supply voltage function for envelope tracking systems
CN103988406B (zh) 2011-10-26 2017-03-01 Qorvo美国公司 射频(rf)开关转换器以及使用rf开关转换器的rf放大装置
US9484797B2 (en) 2011-10-26 2016-11-01 Qorvo Us, Inc. RF switching converter with ripple correction
US9250643B2 (en) 2011-11-30 2016-02-02 Rf Micro Devices, Inc. Using a switching signal delay to reduce noise from a switching power supply
US9515621B2 (en) 2011-11-30 2016-12-06 Qorvo Us, Inc. Multimode RF amplifier system
US9041365B2 (en) 2011-12-01 2015-05-26 Rf Micro Devices, Inc. Multiple mode RF power converter
US9256234B2 (en) 2011-12-01 2016-02-09 Rf Micro Devices, Inc. Voltage offset loop for a switching controller
US9280163B2 (en) 2011-12-01 2016-03-08 Rf Micro Devices, Inc. Average power tracking controller
US9494962B2 (en) 2011-12-02 2016-11-15 Rf Micro Devices, Inc. Phase reconfigurable switching power supply
JP5979855B2 (ja) * 2011-12-06 2016-08-31 株式会社オーディオテクニカ コンデンサマイクロホン
US9813036B2 (en) 2011-12-16 2017-11-07 Qorvo Us, Inc. Dynamic loadline power amplifier with baseband linearization
US9298198B2 (en) 2011-12-28 2016-03-29 Rf Micro Devices, Inc. Noise reduction for envelope tracking
US8674751B2 (en) * 2012-04-16 2014-03-18 Taiwan Semiconductor Manufacturing Co., Ltd. Reference generation in an integrated circuit device
US9627975B2 (en) 2012-11-16 2017-04-18 Qorvo Us, Inc. Modulated power supply system and method with automatic transition between buck and boost modes
US9929696B2 (en) 2013-01-24 2018-03-27 Qorvo Us, Inc. Communications based adjustments of an offset capacitive voltage
US9479118B2 (en) 2013-04-16 2016-10-25 Rf Micro Devices, Inc. Dual instantaneous envelope tracking
CN104167769B (zh) * 2013-05-16 2016-08-03 海洋王（东莞）照明科技有限公司 一种扩展电池输出电压电路及电子设备
CN104168529B (zh) * 2013-05-17 2018-08-28 上海耐普微电子有限公司 多模式的微机械麦克风
US9374005B2 (en) * 2013-08-13 2016-06-21 Rf Micro Devices, Inc. Expanded range DC-DC converter
CN108449057B (zh) * 2013-09-12 2024-10-11 意法半导体研发(深圳)有限公司 音频设备中去除pop噪声的方法与电路
JP2015115881A (ja) * 2013-12-13 2015-06-22 株式会社東芝 差動増幅回路およびマイクアンプシステム
US9614476B2 (en) 2014-07-01 2017-04-04 Qorvo Us, Inc. Group delay calibration of RF envelope tracking
US9948240B2 (en) 2015-07-01 2018-04-17 Qorvo Us, Inc. Dual-output asynchronous power converter circuitry
US9912297B2 (en) 2015-07-01 2018-03-06 Qorvo Us, Inc. Envelope tracking power converter circuitry
US20180234764A1 (en) * 2015-08-05 2018-08-16 Wizedsp Ltd. Ultra-low-power and low noise microphone for acoustic communication
WO2017138628A1 (ja) * 2016-02-12 2017-08-17 国立大学法人東北大学 電圧調整回路
US9973147B2 (en) 2016-05-10 2018-05-15 Qorvo Us, Inc. Envelope tracking power management circuit
US10530303B2 (en) * 2016-05-25 2020-01-07 Cirrus Logic, Inc. Multi-phase power converter system using multiple amplifier integrated circuits
US12107551B2 (en) 2016-05-25 2024-10-01 Cirrus Logic Inc. Dual-domain power distribution system in a mobile device
TWI727034B (zh) * 2016-06-24 2021-05-11 日商東京計器股份有限公司 增幅裝置
US10298123B2 (en) * 2017-06-06 2019-05-21 Infineon Technologies Austria Ag Power supply control and use of generated ramp signal to control activation
US10674296B2 (en) * 2017-07-28 2020-06-02 Cirrus Logic, Inc. Microphone bias apparatus and method
CN107371100B (zh) * 2017-09-14 2020-02-28 珠海全志科技股份有限公司 一种麦克风偏置驱动电路
US10476437B2 (en) 2018-03-15 2019-11-12 Qorvo Us, Inc. Multimode voltage tracker circuit
JP2019208128A (ja) * 2018-05-29 2019-12-05 ヤマハ株式会社 信号伝送回路及び信号伝送方法
US12068691B2 (en) * 2021-12-09 2024-08-20 Renesas Electronics America Inc. Regulator booster activated by boost signal to boost voltage of regulated output by target amount
DE102023211448B3 (de) * 2023-11-17 2025-02-20 Infineon Technologies Ag Versorgungsspannungserzeugung für ein resistives sensorelement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11317996A (ja) 1998-05-07 1999-11-16 Audio Technica Corp インピーダンス変換器
JP2000217188A (ja) 1999-01-20 2000-08-04 Nec Niigata Ltd コンデンサマイクロフォン接続回路
KR20040011241A (ko) * 2002-07-30 2004-02-05 주식회사 비에스이 증폭기를 내장한 콘덴서 마이크로폰
KR20040011849A (ko) * 2002-07-30 2004-02-11 주식회사 비에스이 저전압 인가형 콘덴서 마이크로폰

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58103291A (ja) 1981-12-15 1983-06-20 Matsushita Electric Ind Co Ltd コンデンサ型マイクロホン
US4617555A (en) * 1985-04-17 1986-10-14 Data Distribution Devices, Inc. Receiver for audible alarm
JPS6324789A (ja) 1986-07-16 1988-02-02 Sanyo Electric Co Ltd リモ−トコントロ−ル装置
US5239579A (en) * 1991-01-04 1993-08-24 Schuh Peter O Adaptive amplifier circuit
US6195437B1 (en) * 1997-09-30 2001-02-27 Compaq Computer Corporation Method and apparatus for independent gain control of a microphone and speaker for a speakerphone mode and a non-speakerphone audio mode of a computer system
US7003127B1 (en) * 1999-01-07 2006-02-21 Sarnoff Corporation Hearing aid with large diaphragm microphone element including a printed circuit board
JP2001102875A (ja) * 1999-10-01 2001-04-13 Hosiden Corp 半導体増幅回路及び半導体エレクトレットコンデンサマイクロホン
US7787642B2 (en) * 2003-07-17 2010-08-31 Massachusetts Institute Of Technology Low-power high-PSRR current-mode microphone pre-amplifier system and method
EP1690332A1 (en) * 2003-12-01 2006-08-16 Audioasics A/S Microphone with voltage pump
DE602005010129D1 (de) * 2004-01-12 2008-11-20 Sonion As Verstärkerschaltung für kapazitive Umformer
EP1599067B1 (en) * 2004-05-21 2013-05-01 Epcos Pte Ltd Detection and control of diaphragm collapse in condenser microphones

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11317996A (ja) 1998-05-07 1999-11-16 Audio Technica Corp インピーダンス変換器
JP2000217188A (ja) 1999-01-20 2000-08-04 Nec Niigata Ltd コンデンサマイクロフォン接続回路
KR20040011241A (ko) * 2002-07-30 2004-02-05 주식회사 비에스이 증폭기를 내장한 콘덴서 마이크로폰
KR20040011849A (ko) * 2002-07-30 2004-02-11 주식회사 비에스이 저전압 인가형 콘덴서 마이크로폰

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101031655B1 (ko) 2008-03-17 2011-04-29 르네사스 일렉트로닉스 가부시키가이샤 반도체 집적 회로 및 콘덴서 마이크로폰

Also Published As

Publication number Publication date
US7864970B2 (en) 2011-01-04
JP2006191360A (ja) 2006-07-20
US20060147062A1 (en) 2006-07-06
JP4440121B2 (ja) 2010-03-24
CN1801590B (zh) 2010-10-13
CN1801590A (zh) 2006-07-12
KR20060080892A (ko) 2006-07-11

Similar Documents

Publication Publication Date Title
KR100760877B1 (ko) 전압 공급 회로 및 마이크로폰 유닛
US8041056B2 (en) Voltage supply circuit and microphone unit comprising the same
KR101592617B1 (ko) 고속 정밀 차지 펌프
US7292016B2 (en) Buck/boost DC-DC converter control circuit with input voltage detection
US9014398B2 (en) Charging circuit and amplifier
JP2006191360A5 (enExample)
JP2007020247A (ja) 電源回路
JP6601211B2 (ja) Ｄｃ−ｄｃコンバータおよび負荷駆動用半導体集積回路
JPH09260977A (ja) Ｂｔｌ増幅器装置
JP4390716B2 (ja) 電圧供給回路、マイクユニットおよびマイクユニットの感度調整方法
US6469483B2 (en) PWM control circuit for DC-DC converter
KR101278951B1 (ko) 혼합형 주파수 보상회로, 제어회로, dc-dc 컨버터 및 이들의 제어 방법
JP2020028172A (ja) 電源供給回路
US7969232B2 (en) Booster and voltage detection method thereof
JP3863663B2 (ja) 増幅回路
JP5781870B2 (ja) オーディオ信号処理回路および電子機器
JP3717669B2 (ja) 増幅回路
JP3913364B2 (ja) 増幅回路
JP2006262690A (ja) 入力電圧に適応的に制御される電圧昇圧装置
JP2000165151A (ja) 電力増幅装置
JP5055982B2 (ja) ソフトスタート回路及びこれを用いた集積回路装置
JP2005124248A (ja) スイッチング電源回路
JPH11355052A (ja) 電力増幅装置
JP2022161471A (ja) マイクモジュール
JP2007005956A (ja) 電源装置及びスイッチングコンバータの制御方法

Legal Events

Date Code Title Description
A201 Request for examination
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

D13-X000 Search requested

St.27 status event code: A-1-2-D10-D13-srh-X000

D14-X000 Search report completed

St.27 status event code: A-1-2-D10-D14-srh-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

T11-X000 Administrative time limit extension requested

St.27 status event code: U-3-3-T10-T11-oth-X000

E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

St.27 status event code: A-1-2-D10-D22-exm-PE0701

GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U11-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

PN2301 Change of applicant

St.27 status event code: A-5-5-R10-R13-asn-PN2301

St.27 status event code: A-5-5-R10-R11-asn-PN2301

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

LAPS Lapse due to unpaid annual fee
PC1903 Unpaid annual fee

St.27 status event code: A-4-4-U10-U13-oth-PC1903

Not in force date: 20100918

Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

PC1903 Unpaid annual fee

St.27 status event code: N-4-6-H10-H13-oth-PC1903

Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE

Not in force date: 20100918

R18-X000 Changes to party contact information recorded

St.27 status event code: A-5-5-R10-R18-oth-X000

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000

P22-X000 Classification modified

St.27 status event code: A-4-4-P10-P22-nap-X000