JP4997398B2 - 差動信号送信回路および差動信号送受信回路 - Google Patents
差動信号送信回路および差動信号送受信回路 Download PDFInfo
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- JP4997398B2 JP4997398B2 JP2006218152A JP2006218152A JP4997398B2 JP 4997398 B2 JP4997398 B2 JP 4997398B2 JP 2006218152 A JP2006218152 A JP 2006218152A JP 2006218152 A JP2006218152 A JP 2006218152A JP 4997398 B2 JP4997398 B2 JP 4997398B2
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- 230000005540 biological transmission Effects 0.000 claims description 65
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 10
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- 239000000872 buffer Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 230000000295 complement effect Effects 0.000 description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 6
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
-
- 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
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45179—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit
- H03F3/45237—Complementary long tailed pairs having parallel inputs and being supplied in series
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45475—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using IC blocks as the active amplifying circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0272—Arrangements for coupling to multiple lines, e.g. for differential transmission
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/78—A comparator being used in a controlling circuit of an 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
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45236—Two dif amps realised in MOS or JFET technology, one of them being of the p-channel type and the other one of the n-channel type, are coupled in parallel with their gates
-
- 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
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45244—Indexing scheme relating to differential amplifiers the differential amplifier contains one or more explicit bias circuits, e.g. to bias the tail current sources, to bias the load transistors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Logic Circuits (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Description
次に、本実施の形態の動作を説明する。
2 レシーバ
11 タイミング制御回路
12A、12B 電源回路
13 制御信号分離回路
121 定電流源
A、B 出力バッファ
CMP コンパレータ
Hsync 水平同期信号
IN 入力信号
L+、L− 伝送線
OE 制御信号
Q1〜Q4、Q11 トランジスタ
R 入力抵抗
R1、R2、R3 抵抗
Vin1 タイミング信号
Vin2 反転信号
Vsync 垂直同期信号
i 電流
im ミラー電流
Claims (4)
- 2本の伝送線を介して差動信号を送受信するときの受信側で一方の伝送線から流れてきた電流が差動信号受信回路により他方の伝送線へ帰還するときの送信側で用いられる差動信号送信回路であって、
一定の電流を供給する定電流源を有するクロックの信号用の第1の電源回路と、
定電流源を有し且つ当該定電流源から供給される電流を制御可能なクロック以外の信号用の第2の電源回路と、
前記第1の電源回路の定電流源から出力される電流をクロックの信号用の2本の伝送線に出力する回路であって、この回路へ入力される信号の信号レベルが第1の信号レベルであるときは電流を一方の伝送線へ出力し、当該信号の信号レベルが第2の信号レベルであるときは電流を他方の伝送線へ出力する出力回路と、
前記第2の電源回路の定電流源から出力される電流をクロック以外の信号用の2本の伝送線に出力する回路であって、この回路へ入力される信号の信号レベルが第1の信号レベルであるときは電流を一方の伝送線へ出力し、当該信号の信号レベルが第2の信号レベルであるときは電流を他方の伝送線へ出力する出力回路と、
前記第2の電源回路に接続され、前記差動信号により送受信されるデータの送受信が休止される休止期間を検出し、前記第2の電源回路の定電流源から供給される電流を少なくする制御信号を発生する制御信号発生回路と
を備え、
前記クロックの信号は前記第1の電源回路の定電流源から出力される電流により動作する前記出力回路により常時伝送され、
前記制御信号発生回路にて休止期間が検出された際には前記第2の電源回路の定電流源を前記制御信号により制御して当該定電流源から供給される電流を少なくするように構成されたことを特徴とする差動信号送信回路。 - 前記定電流源は、前記第2の電源回路の定電流源から出力される電流により動作する前記出力回路へ出力する電流の大きさと同じ大きさのミラー電流を出力するカレントミラー回路であり、
前記制御信号発生回路は、前記休止期間では、前記制御信号により当該ミラー電流を少なくするように前記第2の電源回路の定電流源を制御することを特徴とする請求項1記載の差動信号送信回路。 - 2本の伝送線を介して差動信号を送受信するときの受信側で一方の伝送線から流れてきた電流を他方の伝送線へ帰還させる差動信号受信回路と、送信側で用いられる差動信号送信回路とを備えた差動信号送受信回路であって、
前記差動信号送信回路は、
一定の電流を供給する定電流源を有するクロックの信号用の第1の電源回路と、
定電流源を有し且つ当該定電流源から供給される電流を制御可能なクロック以外の信号用の第2の電源回路と、
前記第1の電源回路の定電流源から出力される電流をクロックの信号用の2本の伝送線に出力する回路であって、この回路へ入力される信号の信号レベルが第1の信号レベルであるときは電流を一方の伝送線へ出力し、当該信号の信号レベルが第2の信号レベルであるときは電流を他方の伝送線へ出力する出力回路と、
前記第2の電源回路の定電流源から出力される電流をクロック以外の信号用の2本の伝送線に出力する回路であって、この回路へ入力される信号の信号レベルが第1の信号レベルであるときは電流を一方の伝送線へ出力し、当該信号の信号レベルが第2の信号レベルであるときは電流を他方の伝送線へ出力する出力回路と、
前記第2の電源回路に接続され、前記差動信号により送受信されるデータの送受信が休止される休止期間を検出し、前記第2の電源回路の定電流源から供給される電流を少なくする制御信号を発生する制御信号発生回路と
を備え、
前記クロックの信号は前記第1の電源回路の定電流源から出力される電流により動作する前記出力回路により常時伝送され、
前記制御信号発生回路にて休止期間が検出された際には前記第2の電源回路の定電流源を前記制御信号により制御して当該定電流源から供給される電流を少なくするように構成されたことを特徴とする差動信号送受信回路。 - 前記定電流源は、前記第2の電源回路の定電流源から出力される電流により動作する前記出力回路へ出力する電流の大きさと同じ大きさのミラー電流を出力するカレントミラー回路であり、
前記制御信号発生回路は、前記休止期間では、前記制御信号により当該ミラー電流を少なくするように前記第2の電源回路の定電流源を制御することを特徴とする請求項3記載の差動信号送受信回路。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006218152A JP4997398B2 (ja) | 2006-08-10 | 2006-08-10 | 差動信号送信回路および差動信号送受信回路 |
US11/812,744 US20080036507A1 (en) | 2006-08-10 | 2007-06-22 | Differential signal transmission and reception circuit capable of reducing power consumption |
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JP2006218152A JP4997398B2 (ja) | 2006-08-10 | 2006-08-10 | 差動信号送信回路および差動信号送受信回路 |
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JP2008042817A JP2008042817A (ja) | 2008-02-21 |
JP4997398B2 true JP4997398B2 (ja) | 2012-08-08 |
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JP2006218152A Active JP4997398B2 (ja) | 2006-08-10 | 2006-08-10 | 差動信号送信回路および差動信号送受信回路 |
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US (1) | US20080036507A1 (ja) |
JP (1) | JP4997398B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103563133B (zh) | 2011-05-31 | 2016-08-17 | 日本瑞翁株式会社 | 锂二次电池正极用复合粒子、锂二次电池正极用复合粒子的制造方法、锂二次电池用正极的制造方法、锂二次电池用正极、及锂二次电池 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3699764B2 (ja) * | 1996-01-31 | 2005-09-28 | 株式会社東芝 | ドライバ回路装置及びインターフェース |
US5889431A (en) * | 1997-06-26 | 1999-03-30 | The Aerospace Corporation | Current mode transistor circuit method |
DE19919140B4 (de) * | 1998-04-29 | 2011-03-31 | National Semiconductor Corp.(N.D.Ges.D.Staates Delaware), Santa Clara | Niederspannungs-Differenzsignaltreiber mit Vorverstärkerschaltung |
JP4573413B2 (ja) * | 2000-09-07 | 2010-11-04 | ルネサスエレクトロニクス株式会社 | 差動出力回路 |
JP2003316338A (ja) * | 2002-02-21 | 2003-11-07 | Samsung Electronics Co Ltd | デジタルデータ送受信回路を備える平板ディスプレイ装置(flatpaneldisplayhavingtransmittingandreceivingcircuitfordigitalinterface) |
JP3667700B2 (ja) * | 2002-03-06 | 2005-07-06 | エルピーダメモリ株式会社 | 入力バッファ回路及び半導体記憶装置 |
JP4205969B2 (ja) * | 2003-02-18 | 2009-01-07 | パナソニック株式会社 | 電流ドライバ回路 |
JP4327493B2 (ja) * | 2003-04-18 | 2009-09-09 | Necエレクトロニクス株式会社 | 液晶表示装置における信号伝送回路 |
JP2005217840A (ja) * | 2004-01-30 | 2005-08-11 | Matsushita Electric Ind Co Ltd | 出力ドライバ回路 |
-
2006
- 2006-08-10 JP JP2006218152A patent/JP4997398B2/ja active Active
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2007
- 2007-06-22 US US11/812,744 patent/US20080036507A1/en not_active Abandoned
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JP2008042817A (ja) | 2008-02-21 |
US20080036507A1 (en) | 2008-02-14 |
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