JP5280256B2 - 電子回路 - Google Patents
電子回路 Download PDFInfo
- Publication number
- JP5280256B2 JP5280256B2 JP2009058819A JP2009058819A JP5280256B2 JP 5280256 B2 JP5280256 B2 JP 5280256B2 JP 2009058819 A JP2009058819 A JP 2009058819A JP 2009058819 A JP2009058819 A JP 2009058819A JP 5280256 B2 JP5280256 B2 JP 5280256B2
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- JP
- Japan
- Prior art keywords
- circuit
- signal
- time constant
- control signal
- input
- 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.)
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- 239000003990 capacitor Substances 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
Images
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
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
-
- 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
- H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
- H03F1/083—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements in transistor amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
- H03F3/08—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light
- H03F3/087—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light with IC amplifier blocks
-
- 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
- H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
- H03F2203/7212—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by switching off or on a feedback control loop of the amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
Description
20 制御信号回路
25 保持回路
30 時定数制御回路
36 遅延回路
40 バイパス回路
Claims (7)
- 通信信号が入力される増幅器の出力に接続され、時定数制御信号に基づいて時定数が可変である保持回路を含み、前記増幅器に入力される入力信号をバイパスするバイパス回路を制御する制御信号を生成する制御信号回路を有し、
前記バイパス回路は前記制御信号が第1所定値より小さくなるとバイパスを開始し、前記保持回路は前記制御信号が前記第1所定値と異なる第2所定値より小さくなると前記時定数を大きくすることを特徴とする電子回路。 - 前記時定数制御信号は、前記通信信号の初期状態においては前記保持回路の時定数を小さくするように制御され、その後、前記時定数を大きくするように制御されることを特徴とする請求項1記載の電子回路。
- 前記時定数制御信号は、前記制御信号回路の出力を遅延した信号に基づいて生成されることを特徴とする請求項1記載の電子回路。
- 前記保持回路は、抵抗と容量を含み構成され、前記時定数の変更は、前記抵抗の値を変化させることで実現することを特徴とする請求項1記載の電子回路。
- 前記制御信号回路は比較回路を備え、前記保持回路の出力が基準値以上になった場合に、前記バイパスを開始する信号を出力することを特徴とする請求項1記載の電子回路。
- 前記入力信号は、プリアンブル期間とその後に続くペイロード期間を含み構成されたデータ列を有しており、
前記時定数制御信号は、前記プリアンブル期間において、前記保持回路の時定数を小さくするように制御された後に、前記時定数を大きくするように制御されることを特徴とする請求項1記載の電子回路。 - 前記入力信号は、入力信号期間とインターバル期間を有し、
前記インターバル期間に前記保持回路の時定数がリセットされることを特徴とする請求項1記載の電子回路。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009058819A JP5280256B2 (ja) | 2009-03-12 | 2009-03-12 | 電子回路 |
US12/721,918 US8054136B2 (en) | 2009-03-12 | 2010-03-11 | Electronic circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009058819A JP5280256B2 (ja) | 2009-03-12 | 2009-03-12 | 電子回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010213128A JP2010213128A (ja) | 2010-09-24 |
JP5280256B2 true JP5280256B2 (ja) | 2013-09-04 |
Family
ID=42730200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009058819A Active JP5280256B2 (ja) | 2009-03-12 | 2009-03-12 | 電子回路 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8054136B2 (ja) |
JP (1) | JP5280256B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230011340A1 (en) * | 2021-07-06 | 2023-01-12 | Sumitomo Electric Industries, Ltd. | Receiver circuit for optical communication |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100972033B1 (ko) * | 2008-08-13 | 2010-07-23 | 한국전자통신연구원 | 전치 증폭기와 후치 증폭기가 단일로 집적된 기가비트 수동형 광 네트워크용 버스트 모드 수신기 |
US8390383B2 (en) * | 2010-06-24 | 2013-03-05 | Sumitomo Electric Industries, Ltd. | Amplifier for receiving intermittent optical signal |
JP5494285B2 (ja) * | 2010-06-24 | 2014-05-14 | 住友電気工業株式会社 | 電子回路 |
JP2013115562A (ja) * | 2011-11-28 | 2013-06-10 | Sumitomo Electric Ind Ltd | トランスインピーダンスアンプ |
EP2670068B1 (en) * | 2012-05-29 | 2015-11-18 | Alcatel Lucent | Optical data transmission device using optical time domain reflectrometry |
JP5894869B2 (ja) * | 2012-06-21 | 2016-03-30 | 株式会社日立製作所 | トランスインピーダンスアンプ |
JP5731615B2 (ja) | 2013-10-25 | 2015-06-10 | 日本電信電話株式会社 | トランスインピーダンスアンプ回路 |
JP2015186013A (ja) | 2014-03-24 | 2015-10-22 | 住友電気工業株式会社 | トランスインピーダンス増幅器 |
JP2017103636A (ja) * | 2015-12-02 | 2017-06-08 | 住友電気工業株式会社 | 前置増幅器およびそれを含む光受信器 |
IT201600113107A1 (it) | 2016-11-09 | 2018-05-09 | St Microelectronics Srl | Circuito amplificatore a transimpedenza, relativo circuito integrato, circuito ricevitore e procedimento per operare un circuito amplificatore a transimpedenza |
JP7115065B2 (ja) | 2018-06-28 | 2022-08-09 | 住友電気工業株式会社 | トランスインピーダンスアンプ |
CN110708032A (zh) | 2018-07-09 | 2020-01-17 | 住友电气工业株式会社 | 跨阻放大电路 |
US11082010B2 (en) * | 2018-11-06 | 2021-08-03 | Velodyne Lidar Usa, Inc. | Systems and methods for TIA base current detection and compensation |
CN111327282B (zh) * | 2018-12-17 | 2024-02-20 | 深圳市中兴微电子技术有限公司 | 一种控制电路、跨阻放大电路及控制方法 |
WO2020225892A1 (ja) * | 2019-05-08 | 2020-11-12 | 日本電信電話株式会社 | トランスインピーダンスアンプ |
US20220216841A1 (en) * | 2019-05-08 | 2022-07-07 | Nippon Telegraph And Telephone Corporation | Transimpedance Amplifier |
JP7419770B2 (ja) | 2019-11-29 | 2024-01-23 | 住友電気工業株式会社 | 光受信用回路および光受信器 |
JP2022059802A (ja) | 2020-10-02 | 2022-04-14 | 住友電気工業株式会社 | トランスインピーダンス増幅回路 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59128806A (ja) * | 1983-01-13 | 1984-07-25 | Oki Electric Ind Co Ltd | Agc回路 |
JPS6316706A (ja) * | 1986-07-09 | 1988-01-23 | Fujitsu Ltd | 自動利得制御回路 |
JPH0397304A (ja) | 1989-09-11 | 1991-04-23 | Sumitomo Electric Ind Ltd | 増幅装置 |
CA2106439A1 (en) * | 1992-11-13 | 1994-05-14 | Yusuke Ota | Burst mode digital data receiver |
US5822104A (en) * | 1995-02-24 | 1998-10-13 | Nec Corporation | Digital optical receiving apparatus |
JPH09214269A (ja) * | 1996-02-07 | 1997-08-15 | Fujitsu Ltd | Atpc装置及びディジタル無線受信機 |
JP3098461B2 (ja) * | 1997-06-18 | 2000-10-16 | 日本電気株式会社 | ディジタル受信回路 |
JP3502264B2 (ja) * | 1998-06-10 | 2004-03-02 | 株式会社沖コムテック | 受信装置 |
JP3881336B2 (ja) * | 2003-12-09 | 2007-02-14 | ローム株式会社 | 光受信装置及びそれを備えるデータ通信装置 |
JP4926408B2 (ja) * | 2005-03-14 | 2012-05-09 | 浜松ホトニクス株式会社 | 光検出回路 |
JP2007274127A (ja) * | 2006-03-30 | 2007-10-18 | Eudyna Devices Inc | 電子回路 |
JP4503624B2 (ja) * | 2006-03-30 | 2010-07-14 | 住友電工デバイス・イノベーション株式会社 | 電子回路 |
JP5181135B2 (ja) * | 2006-09-19 | 2013-04-10 | 仙台市 | 落葉対策用l型縁塊 |
US20100226495A1 (en) * | 2007-10-29 | 2010-09-09 | Michael Kelly | Digital readout method and apparatus |
JP5101131B2 (ja) * | 2007-02-23 | 2012-12-19 | 住友電工デバイス・イノベーション株式会社 | 電子回路 |
-
2009
- 2009-03-12 JP JP2009058819A patent/JP5280256B2/ja active Active
-
2010
- 2010-03-11 US US12/721,918 patent/US8054136B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230011340A1 (en) * | 2021-07-06 | 2023-01-12 | Sumitomo Electric Industries, Ltd. | Receiver circuit for optical communication |
Also Published As
Publication number | Publication date |
---|---|
US8054136B2 (en) | 2011-11-08 |
US20100231295A1 (en) | 2010-09-16 |
JP2010213128A (ja) | 2010-09-24 |
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