JP3948446B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP3948446B2 JP3948446B2 JP2003311399A JP2003311399A JP3948446B2 JP 3948446 B2 JP3948446 B2 JP 3948446B2 JP 2003311399 A JP2003311399 A JP 2003311399A JP 2003311399 A JP2003311399 A JP 2003311399A JP 3948446 B2 JP3948446 B2 JP 3948446B2
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- Japan
- Prior art keywords
- circuit
- differential signal
- voltage level
- differential
- signal output
- 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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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
- H03G1/0029—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier using FETs
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- Logic Circuits (AREA)
- Amplifiers (AREA)
Description
Claims (2)
- それぞれが差動信号を出力する、複数の差動信号出力回路と、
該複数の差動信号出力回路のそれぞれへ前記差動信号の振幅を制御するための振幅制御信号を発生する振幅制御信号発生回路と、
前記複数の差動信号出力回路のそれぞれに対応して設けられ、それぞれが各差動信号出力回路の複製回路を含んで、前記差動信号の中心電圧レベルを制御するための中心電圧レベル制御信号を発生する、複数の中心電圧レベル制御信号発生回路と、
前記複数の差動信号出力回路のそれぞれに対応して設けられ、かつ、それぞれが前記各差動信号出力回路の終点抵抗に対応して各複製回路に設けられた抵抗の両端に発生する電圧が、前記終端抵抗の両端に発生する電圧と同じになるように、前記各差動信号出力回路及び前記各複製回路に流れる電流を制御する複数の差動増幅器と、
を有し、
前記複数の差動信号出力回路のそれぞれは、前記中心電圧レベル制御信号に基づく前記中心電圧レベルと前記振幅制御信号に基づいた出力レベルを有する前記差動信号を出力し、
前記複数の中心電圧レベル制御信号発生回路のそれぞれの形成領域と、対応する前記複数の差動信号出力回路のそれぞれの形成領域は、半導体基板上において、2つの前記形成領域のそれぞれに形成されるトランジスタの動作特性が互いに同等となるような近傍に設けられていることを特徴とする半導体装置。 - 前記各差動信号出力回路及び前記各複製回路は、それぞれ前記各差動信号出力回路及び前記各複製回路に流れる電流を制御するトランジスタを有し、
前記複数の差動増幅器のそれぞれの出力は、前記トランジスタのゲートに接続されて前記各差動信号出力回路及び前記各複製回路に流れる電流を制御することを特徴とする請求項1記載の半導体装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003311399A JP3948446B2 (ja) | 2003-09-03 | 2003-09-03 | 半導体装置 |
US10/932,881 US7173458B2 (en) | 2003-09-03 | 2004-09-02 | Semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003311399A JP3948446B2 (ja) | 2003-09-03 | 2003-09-03 | 半導体装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005080184A JP2005080184A (ja) | 2005-03-24 |
JP2005080184A5 JP2005080184A5 (ja) | 2005-07-14 |
JP3948446B2 true JP3948446B2 (ja) | 2007-07-25 |
Family
ID=34412974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003311399A Expired - Fee Related JP3948446B2 (ja) | 2003-09-03 | 2003-09-03 | 半導体装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7173458B2 (ja) |
JP (1) | JP3948446B2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100555571B1 (ko) * | 2004-09-07 | 2006-03-03 | 삼성전자주식회사 | 반도체 장치의 송신기 |
TWI316218B (en) * | 2005-12-23 | 2009-10-21 | Innolux Display Corp | A liquid crystal display device and a method for driving the same |
TWI376662B (en) * | 2007-05-03 | 2012-11-11 | Novatek Microelectronics Corp | Apparatus for controlling the liquid crystal display |
JP5354899B2 (ja) * | 2007-12-26 | 2013-11-27 | ルネサスエレクトロニクス株式会社 | 表示パネルのデータ線駆動回路、ドライバ回路、表示装置 |
US7920027B2 (en) * | 2008-04-07 | 2011-04-05 | Qualcomm Incorporated | Amplifier design with biasing and power control aspects |
KR100997391B1 (ko) * | 2008-11-12 | 2010-11-30 | (주)에이디테크놀로지 | 차동신호 생성회로 |
JP6231291B2 (ja) * | 2013-03-28 | 2017-11-15 | ローム株式会社 | モータ駆動装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02206915A (ja) | 1989-02-07 | 1990-08-16 | Fujitsu Ltd | 差動回路 |
JP3557275B2 (ja) | 1995-03-29 | 2004-08-25 | 株式会社ルネサステクノロジ | 半導体集積回路装置及びマイクロコンピュータ |
JPH0918231A (ja) | 1995-07-03 | 1997-01-17 | Seiko Epson Corp | 定電圧回路 |
JPH0936730A (ja) | 1995-07-19 | 1997-02-07 | Yozan:Kk | インバータ回路 |
US5939904A (en) | 1998-02-19 | 1999-08-17 | Lucent Technologies, Inc. | Method and apparatus for controlling the common-mode output voltage of a differential buffer |
US6111431A (en) * | 1998-05-14 | 2000-08-29 | National Semiconductor Corporation | LVDS driver for backplane applications |
JP4033275B2 (ja) | 1998-10-23 | 2008-01-16 | 株式会社ルネサステクノロジ | 半導体集積回路装置 |
JP3189815B2 (ja) | 1998-12-07 | 2001-07-16 | 日本電気株式会社 | 入力回路、出力回路、入出力回路、及び入力信号処理方法 |
US6356141B1 (en) * | 1999-04-06 | 2002-03-12 | Matsushita Electric Industrial Co., Ltd. | Constant-current output circuit |
JP2002314397A (ja) * | 2001-04-17 | 2002-10-25 | Seiko Epson Corp | 差動信号出力回路 |
CN1252927C (zh) | 2001-12-07 | 2006-04-19 | 哉英电子股份有限公司 | 半导体集成电路 |
US6836149B2 (en) | 2002-04-12 | 2004-12-28 | Stmicroelectronics, Inc. | Versatile RSDS-LVDS-miniLVDS-BLVDS differential signal interface circuit |
JP3935777B2 (ja) | 2002-05-28 | 2007-06-27 | 富士通株式会社 | 出力回路装置 |
JP2005065188A (ja) | 2003-08-20 | 2005-03-10 | Seiko Epson Corp | 出力信号用制御信号出力回路及び半導体装置 |
-
2003
- 2003-09-03 JP JP2003311399A patent/JP3948446B2/ja not_active Expired - Fee Related
-
2004
- 2004-09-02 US US10/932,881 patent/US7173458B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20050083102A1 (en) | 2005-04-21 |
US7173458B2 (en) | 2007-02-06 |
JP2005080184A (ja) | 2005-03-24 |
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