JP4545064B2 - 光信号受信回路 - Google Patents
光信号受信回路 Download PDFInfo
- Publication number
- JP4545064B2 JP4545064B2 JP2005231656A JP2005231656A JP4545064B2 JP 4545064 B2 JP4545064 B2 JP 4545064B2 JP 2005231656 A JP2005231656 A JP 2005231656A JP 2005231656 A JP2005231656 A JP 2005231656A JP 4545064 B2 JP4545064 B2 JP 4545064B2
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- voltage
- output
- circuit
- light
- output terminal
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- 230000003287 optical effect Effects 0.000 title claims description 21
- 238000005070 sampling Methods 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000002596 correlated effect Effects 0.000 claims description 9
- 230000000875 corresponding effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Description
Claims (4)
- 定電流源と、
前記定電流源と出力端子との間に接続されたゲート接地FETと、
前記出力端子と接地または電源との間に接続された負荷と、
前記定電流源に並列接続され、制御電圧に基づいて前記定電流源と同方向に出力する電流量を変化させる電圧制御電流源と、
前記出力端子に出力される直流電圧成分が所定の基準電圧と同じになるように、前記出力端子に出力される電圧と前記基準電圧との差の電圧を前記制御電圧として前記電圧制御電流源に出力するエラーアンプと、
直列接続された前記ゲート接地FETと前記負荷とに対して並列接続され、信号光を含む光を受光して受光量に対応した電流を流す光電変換素子とからなる受光部を備えている
ことを特徴とする可視光通信用光信号受信回路。 - 前記受光部がレギュレーティッド・カスコード型回路であることを特徴とする請求項1記載の光信号受信回路。
- 前記出力端子に接続され、前記出力端子から出力される低周波雑音が重複した電圧信号をデコードして2値化信号を出力するデコード部を備えていることを特徴とする請求項1又は2記載の光信号受信回路。
- 前記デコード部が相関二重サンプリング回路を有することを特徴とする請求項3記載の光信号受信回路。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005231656A JP4545064B2 (ja) | 2005-08-10 | 2005-08-10 | 光信号受信回路 |
Applications Claiming Priority (1)
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---|---|---|---|
JP2005231656A JP4545064B2 (ja) | 2005-08-10 | 2005-08-10 | 光信号受信回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007049425A JP2007049425A (ja) | 2007-02-22 |
JP4545064B2 true JP4545064B2 (ja) | 2010-09-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2005231656A Expired - Fee Related JP4545064B2 (ja) | 2005-08-10 | 2005-08-10 | 光信号受信回路 |
Country Status (1)
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JP (1) | JP4545064B2 (ja) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60167505A (ja) * | 1985-01-14 | 1985-08-30 | Toshiba Corp | 温度補償型増幅器 |
JPH0786842A (ja) * | 1993-09-13 | 1995-03-31 | Nec Corp | カスコード回路 |
JPH0865710A (ja) * | 1994-08-22 | 1996-03-08 | Hitachi Ltd | 信号量圧縮伸長装置 |
JPH1127061A (ja) * | 1997-07-04 | 1999-01-29 | Nec Corp | カスコード回路 |
JP2000164975A (ja) * | 1998-09-21 | 2000-06-16 | Matsushita Electric Ind Co Ltd | レ―ザ―駆動回路および光送受信装置 |
WO2001065840A1 (fr) * | 2000-02-29 | 2001-09-07 | Hamamatsu Photonics K.K. | Circuit de lecture de signal |
JP2003318681A (ja) * | 2002-04-19 | 2003-11-07 | Fujitsu Ltd | 増幅回路及び光通信装置 |
JP2004147296A (ja) * | 2002-08-27 | 2004-05-20 | Sharp Corp | 電荷検出回路、および、その回路定数設計方法 |
JP2005130088A (ja) * | 2003-10-22 | 2005-05-19 | Sharp Corp | 赤外線受信回路,電子機器および赤外線受信方法 |
-
2005
- 2005-08-10 JP JP2005231656A patent/JP4545064B2/ja not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60167505A (ja) * | 1985-01-14 | 1985-08-30 | Toshiba Corp | 温度補償型増幅器 |
JPH0786842A (ja) * | 1993-09-13 | 1995-03-31 | Nec Corp | カスコード回路 |
JPH0865710A (ja) * | 1994-08-22 | 1996-03-08 | Hitachi Ltd | 信号量圧縮伸長装置 |
JPH1127061A (ja) * | 1997-07-04 | 1999-01-29 | Nec Corp | カスコード回路 |
JP2000164975A (ja) * | 1998-09-21 | 2000-06-16 | Matsushita Electric Ind Co Ltd | レ―ザ―駆動回路および光送受信装置 |
WO2001065840A1 (fr) * | 2000-02-29 | 2001-09-07 | Hamamatsu Photonics K.K. | Circuit de lecture de signal |
JP2003318681A (ja) * | 2002-04-19 | 2003-11-07 | Fujitsu Ltd | 増幅回路及び光通信装置 |
JP2004147296A (ja) * | 2002-08-27 | 2004-05-20 | Sharp Corp | 電荷検出回路、および、その回路定数設計方法 |
JP2005130088A (ja) * | 2003-10-22 | 2005-05-19 | Sharp Corp | 赤外線受信回路,電子機器および赤外線受信方法 |
Also Published As
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JP2007049425A (ja) | 2007-02-22 |
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