JP2010041680A - Ｄ級増幅装置 - Google Patents

Ｄ級増幅装置 Download PDF

Info

Publication number
JP2010041680A
JP2010041680A JP2008205733A JP2008205733A JP2010041680A JP 2010041680 A JP2010041680 A JP 2010041680A JP 2008205733 A JP2008205733 A JP 2008205733A JP 2008205733 A JP2008205733 A JP 2008205733A JP 2010041680 A JP2010041680 A JP 2010041680A
Authority
JP
Japan
Prior art keywords
transistor
signal
rectangular wave
input
amplifier
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.)
Pending
Application number
JP2008205733A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010041680A5 (enExample
Inventor
Minoru Hisamatsu
稔 久松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kokusai Denki Electric Inc
Original Assignee
Hitachi Kokusai Electric Inc
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 Hitachi Kokusai Electric Inc filed Critical Hitachi Kokusai Electric Inc
Priority to JP2008205733A priority Critical patent/JP2010041680A/ja
Publication of JP2010041680A publication Critical patent/JP2010041680A/ja
Publication of JP2010041680A5 publication Critical patent/JP2010041680A5/ja
Pending legal-status Critical Current

Links

Images

Landscapes

  • Amplifiers (AREA)
  • Transmitters (AREA)
JP2008205733A 2008-08-08 2008-08-08 Ｄ級増幅装置 Pending JP2010041680A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008205733A JP2010041680A (ja) 2008-08-08 2008-08-08 Ｄ級増幅装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008205733A JP2010041680A (ja) 2008-08-08 2008-08-08 Ｄ級増幅装置

Publications (2)

Publication Number Publication Date
JP2010041680A true JP2010041680A (ja) 2010-02-18
JP2010041680A5 JP2010041680A5 (enExample) 2011-09-15

Family

ID=42013683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008205733A Pending JP2010041680A (ja) 2008-08-08 2008-08-08 Ｄ級増幅装置

Country Status (1)

Country Link
JP (1) JP2010041680A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020150449A (ja) * 2019-03-14 2020-09-17 株式会社東芝 増幅装置および送信装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002230905A (ja) * 2001-01-29 2002-08-16 Niigata Seimitsu Kk 音声再生装置および方法
JP2005006236A (ja) * 2003-06-16 2005-01-06 Sharp Corp オーディオ再生装置
JP2008154289A (ja) * 2008-03-17 2008-07-03 Hitachi Kokusai Electric Inc Ｄ級増幅装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002230905A (ja) * 2001-01-29 2002-08-16 Niigata Seimitsu Kk 音声再生装置および方法
JP2005006236A (ja) * 2003-06-16 2005-01-06 Sharp Corp オーディオ再生装置
JP2008154289A (ja) * 2008-03-17 2008-07-03 Hitachi Kokusai Electric Inc Ｄ級増幅装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020150449A (ja) * 2019-03-14 2020-09-17 株式会社東芝 増幅装置および送信装置
JP2023162274A (ja) * 2019-03-14 2023-11-08 株式会社東芝 増幅装置および送信装置
JP7395256B2 (ja) 2019-03-14 2023-12-11 株式会社東芝 増幅装置および送信装置
JP7699417B2 (ja) 2019-03-14 2025-06-27 株式会社東芝 増幅装置および送信装置

Similar Documents

Publication Publication Date Title
JP4759050B2 (ja) 駆動装置
JP2018137576A (ja) Ｄ級アンプ
JP2007166190A (ja) Ｄ級アンプ
US6734725B2 (en) Power amplifier
JP2005142780A (ja) 電力増幅回路
JP2011041105A (ja) 高周波信号生成回路
JP2005065068A (ja) デジタル電力増幅器
JP2004048333A (ja) Ｐｗｍ変調方式ｄ級アンプ
JP4710878B2 (ja) Ｄ級アンプ装置
JP2016111430A (ja) Ｐｗｍ変調装置および音声信号出力装置
KR101655769B1 (ko) 복수 위상의 스위칭을 결합한 광대역 스위칭 증폭기
KR101028391B1 (ko) 전력증폭장치
JP2018174380A (ja) 信号増幅器
KR100945683B1 (ko) 불요파 노이즈 감소회로를 구비한 오디오 앰프
JP4532456B2 (ja) Ｄ級増幅装置
JP2008154289A (ja) Ｄ級増幅装置
JP5204902B2 (ja) トランスファーゲート回路ならびにそれを用いた電力合成回路，電力増幅回路，送信装置および通信装置
JP2010021716A (ja) Ｄ級増幅装置
JP2010063047A (ja) Ｄ級増幅器
US20250167741A1 (en) Delay-line method for slew rate control for class d driver
JP4343011B2 (ja) デジタルアンプ
KR101701025B1 (ko) 전력증폭기용 입력 드라이버 및 송신기
US7161519B2 (en) PWM modulation circuit and class D amplifier using such PWM modulation circuit
JP7395256B2 (ja) 増幅装置および送信装置
JP4194995B2 (ja) Ｄクラスオーディオアンプ装置および信号出力方法

Legal Events

Date Code Title Description
A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110728

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20110801

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20120604

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120607

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20121016