JP2007124479A - Ccdカメラ用アナログ信号処理回路 - Google Patents
Ccdカメラ用アナログ信号処理回路 Download PDFInfo
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- JP2007124479A JP2007124479A JP2005316237A JP2005316237A JP2007124479A JP 2007124479 A JP2007124479 A JP 2007124479A JP 2005316237 A JP2005316237 A JP 2005316237A JP 2005316237 A JP2005316237 A JP 2005316237A JP 2007124479 A JP2007124479 A JP 2007124479A
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- JP
- Japan
- Prior art keywords
- during
- term
- period
- circuit
- ccd camera
- 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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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/005—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements using switched capacitors, e.g. dynamic amplifiers; using switched capacitors as resistors in differential amplifiers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C27/00—Electric analogue stores, e.g. for storing instantaneous values
- G11C27/02—Sample-and-hold arrangements
- G11C27/024—Sample-and-hold arrangements using a capacitive memory element
- G11C27/026—Sample-and-hold arrangements using a capacitive memory element associated with an amplifier
-
- 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
- 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
- H03F2203/45514—Indexing scheme relating to differential amplifiers the FBC comprising one or more switched capacitors, and being coupled between the LC and the IC
-
- 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
- H03F2203/45551—Indexing scheme relating to differential amplifiers the IC comprising one or more switched capacitors
-
- 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
- H03F2203/45616—Indexing scheme relating to differential amplifiers the IC comprising more than one switch, which are not cross coupled
-
- 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
- H03F2203/45726—Indexing scheme relating to differential amplifiers the LC comprising more than one switch, which are not cross coupled
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Studio Devices (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
【解決手段】スイッチトキャパシタアンプ回路1に、スイッチ回路部5のスイッチ回路SW51,52と、バイアス回路部6のバイアス回路Vref61を追加構成する。スイッチ回路SW102,103をパルス波形Dで制御して、プリブランキング期間(PB期間)中はオフ固定させ、PB期間以外の通常期間は、オン/オフしてサンプリング動作をする。また、スイッチ回路SW51,52をパルス波形Eで制御して、PB期間中はオン/オフしてサンプリング動作させ、PB期間以外の通常期間はオフ固定させる。スイッチ回路SW102,103,51,52をパルス波形D,Eにより制御し、PB期間中の予期せぬ過大入力信号の影響によるPB期間中およびPB期間直後の誤動作を防止する。
【選択図】図1
Description
2 黒レベルサンプルホールド回路
3 入力DCレベル回路
4 入力端子
5 スイッチ回路部
6 バイアス回路部
Claims (1)
- 入力端子に直接接続され、前記入力端子から入力される入力信号波形に対してサンプリング動作及びアンプ動作を実行するスイッチトキャパシタアンプ回路を備えたCCDカメラ用アナログ処理回路であって、
前記スイッチトキャパシタアンプ回路は、
通常期間中ではオン/オフすることで前記サンプリング動作を可能とし、プリブランキング期間中ではオフに固定される第1のスイッチ回路部と、
前記第1のスイッチ回路部の次段に配置されると共に、通常期間中ではオフに固定され、プリブランキング期間中ではオン/オフすることで前記サンプリング動作を可能とする第2のスイッチ回路部と
を具備することを特徴とするCCDカメラ用アナログ信号処理回路。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005316237A JP2007124479A (ja) | 2005-10-31 | 2005-10-31 | Ccdカメラ用アナログ信号処理回路 |
US11/553,514 US20070096800A1 (en) | 2005-10-31 | 2006-10-27 | Analog signal processing circuit for ccd camera, and analog signal processing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005316237A JP2007124479A (ja) | 2005-10-31 | 2005-10-31 | Ccdカメラ用アナログ信号処理回路 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2007124479A true JP2007124479A (ja) | 2007-05-17 |
Family
ID=37995480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005316237A Pending JP2007124479A (ja) | 2005-10-31 | 2005-10-31 | Ccdカメラ用アナログ信号処理回路 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20070096800A1 (ja) |
JP (1) | JP2007124479A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013523055A (ja) * | 2010-03-22 | 2013-06-13 | クゥアルコム・インコーポレイテッド | スイッチドキャパシタ回路のためのディスクリートタイムオペレーショナルトランスコンダクタンス増幅器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02177767A (ja) * | 1988-12-28 | 1990-07-10 | Nec Corp | 映像信号処理回路 |
JPH04258093A (ja) * | 1991-02-13 | 1992-09-14 | Nec Corp | 映像信号処理回路 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07264491A (ja) * | 1994-03-24 | 1995-10-13 | Sharp Corp | 固体撮像装置の出力回路 |
US6437833B1 (en) * | 1998-11-18 | 2002-08-20 | Kabushiki Kaisha Toshiba | Automatic white balance adjusting circuit in color image display |
JP3922853B2 (ja) * | 1999-12-07 | 2007-05-30 | 松下電器産業株式会社 | 固体撮像装置 |
US6445331B1 (en) * | 2001-08-14 | 2002-09-03 | National Semiconductor Corporation | Apparatus and method for common-mode regulation in a switched capacitor circuit |
JP4299588B2 (ja) * | 2003-05-29 | 2009-07-22 | 株式会社ルネサステクノロジ | 半導体集積回路装置 |
JP4649155B2 (ja) * | 2004-09-22 | 2011-03-09 | キヤノン株式会社 | 撮像装置及び撮像方法 |
JP2007043433A (ja) * | 2005-08-03 | 2007-02-15 | Renesas Technology Corp | 半導体集積回路装置 |
-
2005
- 2005-10-31 JP JP2005316237A patent/JP2007124479A/ja active Pending
-
2006
- 2006-10-27 US US11/553,514 patent/US20070096800A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02177767A (ja) * | 1988-12-28 | 1990-07-10 | Nec Corp | 映像信号処理回路 |
JPH04258093A (ja) * | 1991-02-13 | 1992-09-14 | Nec Corp | 映像信号処理回路 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013523055A (ja) * | 2010-03-22 | 2013-06-13 | クゥアルコム・インコーポレイテッド | スイッチドキャパシタ回路のためのディスクリートタイムオペレーショナルトランスコンダクタンス増幅器 |
Also Published As
Publication number | Publication date |
---|---|
US20070096800A1 (en) | 2007-05-03 |
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