JP5459103B2 - 増幅回路 - Google Patents
増幅回路 Download PDFInfo
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- JP5459103B2 JP5459103B2 JP2010145517A JP2010145517A JP5459103B2 JP 5459103 B2 JP5459103 B2 JP 5459103B2 JP 2010145517 A JP2010145517 A JP 2010145517A JP 2010145517 A JP2010145517 A JP 2010145517A JP 5459103 B2 JP5459103 B2 JP 5459103B2
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- amplifier circuit
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- offset
- signal
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- 230000000295 complement effect Effects 0.000 claims description 57
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 32
- 230000003287 optical effect Effects 0.000 claims description 29
- 230000001427 coherent effect Effects 0.000 claims description 15
- 238000009499 grossing Methods 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 9
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- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 230000005669 field effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
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- 235000004348 Perilla frutescens Nutrition 0.000 description 1
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- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 230000010363 phase shift Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/61—Coherent receivers
- H04B10/616—Details of the electronic signal processing in coherent optical receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/69—Electrical arrangements in the receiver
- H04B10/693—Arrangements for optimizing the preamplifier in the receiver
- H04B10/6933—Offset control of the differential preamplifier
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Description
32 差動増幅回路
40 オフセット信号生成回路
100 増幅回路
200 増幅回路
300 増幅回路
400 増幅回路
500 デジタルコヒーレント光レシーバ
Claims (7)
- 一対の相補信号がそれぞれ入力する入力端子と、制御端子と、出力端子と、を具備する一対のトランジスタを有するコモンベース回路又はコモンゲート回路と、
前記一対のトランジスタが出力する一対の相補信号を差動増幅する差動増幅回路と、
前記差動増幅回路が出力する一対の相補信号から、前記差動増幅回路が出力する一対の相補信号間のオフセットを調整するためのオフセット信号を生成し、前記オフセット信号を前記一対のトランジスタの前記制御端子にそれぞれ出力するオフセット信号生成回路と、
を備えることを特徴とする増幅回路。 - 前記オフセット信号生成回路は、前記差動増幅回路が出力する一対の相補信号を平滑化する平滑回路を備え、
前記オフセット信号生成回路は、前記平滑化回路が平滑化した一対の相補信号から前記オフセット信号を生成することを特徴とする請求項1に記載の増幅回路。 - 前記一対のトランジスタの前記制御端子と、前記オフセット信号生成回路が前記オフセット信号を出力する一対の出力端子と、の間にそれぞれ一対のコンデンサが並列に接続されることを特徴とする請求項1又は2に記載の増幅回路。
- 前記一対のトランジスタの前記入力端子とグランドとの間にそれぞれ一対の負荷が直列に接続されることを特徴とする請求項1から3のいずれか一項に記載の増幅回路。
- 前記差動増幅回路は、トランスインピーダンスアンプであることを特徴とする請求項1から4のいずれか一項に記載の増幅回路。
- 前記一対のトランジスタの前記入力端子に入力する一対の相補信号は、一対の受光素子が出力する信号であることを特徴とする請求項1から5のいずれか一項に記載の増幅回路。
- 前記一対の受光素子には、デジタルコヒーレント光レシーバが備える光学処理系が光接続されることを特徴とする請求項6に記載の増幅回路。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010145517A JP5459103B2 (ja) | 2010-06-25 | 2010-06-25 | 増幅回路 |
US13/166,580 US8463143B2 (en) | 2010-06-25 | 2011-06-22 | Amplifier with offset compensator and optical receiver implemented with the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010145517A JP5459103B2 (ja) | 2010-06-25 | 2010-06-25 | 増幅回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012010187A JP2012010187A (ja) | 2012-01-12 |
JP5459103B2 true JP5459103B2 (ja) | 2014-04-02 |
Family
ID=45352657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010145517A Active JP5459103B2 (ja) | 2010-06-25 | 2010-06-25 | 増幅回路 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8463143B2 (ja) |
JP (1) | JP5459103B2 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5459103B2 (ja) * | 2010-06-25 | 2014-04-02 | 住友電気工業株式会社 | 増幅回路 |
WO2013046284A1 (ja) * | 2011-09-26 | 2013-04-04 | 日本電気株式会社 | 光信号処理装置、及び光信号処理方法 |
JP5944750B2 (ja) * | 2012-06-06 | 2016-07-05 | 日本電信電話株式会社 | 光信号検出回路 |
JPWO2014068978A1 (ja) | 2012-11-01 | 2016-09-08 | 日本電気株式会社 | 光受信器、光受信装置および光受信強度補正方法 |
JP6011273B2 (ja) * | 2012-11-26 | 2016-10-19 | 住友電気工業株式会社 | 増幅器 |
JP6107103B2 (ja) * | 2012-12-11 | 2017-04-05 | 富士通株式会社 | 増幅器および光受信器 |
MX350736B (es) | 2013-03-15 | 2017-09-15 | Theranos Inc | Conjunto detector de tubo sin vacío de femtowatt. |
KR101513373B1 (ko) * | 2013-12-31 | 2015-04-20 | 한양대학교 산학협력단 | 직류 오프셋을 보상하는 광통신 수신기 |
US9784670B1 (en) | 2014-01-22 | 2017-10-10 | Theranos, Inc. | Unified detection system for fluorometry, luminometry and spectrometry |
JP5719461B1 (ja) * | 2014-03-27 | 2015-05-20 | 日本電信電話株式会社 | コヒーレント光通信用増幅器 |
JP6208615B2 (ja) * | 2014-04-22 | 2017-10-04 | 日本電信電話株式会社 | トランスインピーダンス増幅器 |
JP2015211376A (ja) | 2014-04-28 | 2015-11-24 | 富士通株式会社 | 受信回路 |
EP3349355A1 (en) * | 2014-10-15 | 2018-07-18 | Fujikura Ltd | Optical receiver, active optical cable, and control method for optical receiver |
US9843297B2 (en) * | 2015-04-03 | 2017-12-12 | Cosemi Technologies, Inc. | Balanced differential transimpedance amplifier with single ended input and balancing method |
CN106160671B (zh) * | 2015-04-10 | 2019-03-15 | 无锡华润上华科技有限公司 | 信号放大电路 |
US10333472B2 (en) * | 2015-09-15 | 2019-06-25 | Firecomms Limited | Optical receiver |
JP7487612B2 (ja) | 2020-08-24 | 2024-05-21 | 住友電気工業株式会社 | 受信回路及び光受信回路 |
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JPH02253708A (ja) * | 1989-03-28 | 1990-10-12 | Yokogawa Electric Corp | 演算増幅器 |
JPH06252660A (ja) * | 1993-02-22 | 1994-09-09 | Sumitomo Electric Ind Ltd | 光受信器 |
US6064507A (en) * | 1996-06-17 | 2000-05-16 | Trw Inc. | High speed differential optoelectronic receiver |
US6307660B1 (en) * | 1997-01-28 | 2001-10-23 | Tellium, Inc. | Optical receiver particularly useful for a multi-wavelength receiver array |
JP2970844B2 (ja) * | 1997-06-04 | 1999-11-02 | 日本電気株式会社 | 光受信器及びそれを用いた光ネットワークシステム |
US6069534A (en) * | 1997-12-04 | 2000-05-30 | Trw Inc. | Balance photo-receiver with complementary HBT common-base push pull pre-amplifier |
KR100389921B1 (ko) * | 2001-01-05 | 2003-07-04 | 삼성전자주식회사 | 원칩으로 구현되며 고속으로 동작하는 광 수신 장치 |
JP3827542B2 (ja) * | 2001-07-10 | 2006-09-27 | シャープ株式会社 | 光増幅器及びこれを用いた光ピックアップ装置 |
JP2003168933A (ja) | 2001-11-30 | 2003-06-13 | Nef:Kk | 光受信回路 |
US6639473B1 (en) * | 2002-04-16 | 2003-10-28 | Sirenza Microdevices, Inc. | Method and/or apparatus for controlling a common-base amplifier |
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US6778021B2 (en) * | 2002-11-26 | 2004-08-17 | Finisar Corporation | Wide dynamic range transimpedance amplifier with a controlled low frequency cutoff at high optical power |
US6771132B1 (en) * | 2002-11-26 | 2004-08-03 | Finisar Corporation | Wide dynamic range transimpedance amplifier with a controlled low frequency cutoff at high optical power |
JP2004336568A (ja) | 2003-05-09 | 2004-11-25 | Matsushita Electric Ind Co Ltd | 増幅回路および増幅方法 |
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JP2006314059A (ja) * | 2005-05-09 | 2006-11-16 | Sony Corp | 半導体装置 |
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JP4646772B2 (ja) * | 2005-09-30 | 2011-03-09 | パナソニック株式会社 | 光電流増幅回路、及び光ピックアップ装置 |
US7525391B2 (en) * | 2007-05-17 | 2009-04-28 | Finisar Corporation | Linear transimpedance amplifier with multiplexed gain stage |
JP5459103B2 (ja) * | 2010-06-25 | 2014-04-02 | 住友電気工業株式会社 | 増幅回路 |
JP5633327B2 (ja) * | 2010-11-17 | 2014-12-03 | 住友電気工業株式会社 | 信号増幅回路、電流電圧変換回路、および光受信器 |
-
2010
- 2010-06-25 JP JP2010145517A patent/JP5459103B2/ja active Active
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2011
- 2011-06-22 US US13/166,580 patent/US8463143B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20110318015A1 (en) | 2011-12-29 |
JP2012010187A (ja) | 2012-01-12 |
US8463143B2 (en) | 2013-06-11 |
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