JP2007208972A5 - - Google Patents

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Publication number
JP2007208972A5
JP2007208972A5 JP2007009337A JP2007009337A JP2007208972A5 JP 2007208972 A5 JP2007208972 A5 JP 2007208972A5 JP 2007009337 A JP2007009337 A JP 2007009337A JP 2007009337 A JP2007009337 A JP 2007009337A JP 2007208972 A5 JP2007208972 A5 JP 2007208972A5
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JP
Japan
Prior art keywords
operational amplifier
tia
transistor
output
input
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Application number
JP2007009337A
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English (en)
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JP2007208972A (ja
JP5010293B2 (ja
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Publication date
Priority claimed from US11/495,813 external-priority patent/US7551024B2/en
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Publication of JP2007208972A publication Critical patent/JP2007208972A/ja
Publication of JP2007208972A5 publication Critical patent/JP2007208972A5/ja
Application granted granted Critical
Publication of JP5010293B2 publication Critical patent/JP5010293B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (9)

  1. 第1の入力及び第1の出力を有する0次のトランスインピーダンス増幅器(TIA)と、
    第1の演算増幅器(オペアンプ)であって
    前記0次のTIAの前記第1の出力に接続する第1の入力、
    該第1のオペアンプの前記第1の入力によって駆動される第1のトランジスタ、
    第1のバイアス電圧によって駆動され、且つ、前記第1のトランジスタに接続する第2のトランジスタ、
    前記第2のトランジスタに接続する第1の電流源、及び
    前記第1のトランジスタ前記第2のトランジスタの間のノードにある第1の出力、
    を有する、該第1のオペアンプと、
    を備える入れ子状のTIA回路。
  2. 前記第1のトランジスタに接続する第2の電流源を更に備える、請求項1記載の入れ子状のTIA回路。
  3. 前記第1のオペアンプの利得が、前記0次のTIAの利得より大きく、前記第1のオペアンプの帯域幅が、前記0次のTIAの帯域幅より小さい、請求項1記載の入れ子状のTIA回路。
  4. 前記0次のTIAが、
    の入力及び第の出力を有する第のオペアンプと、
    の入力及び第の出力を有し、該第の入力が前記第の出力に接続されている第のオペアンプと、
    前記第の出力に接続する一端、及び、前記第の入力に接続する他端を有する抵抗と、
    を備える、請求項1記載の入れ子状のTIA回路。
  5. 前記第1のオペアンプの前記第1の出力に接続する一端、及び、前記0次のTIAの前記第1の入力に接続する他端を有する第1の抵抗を更に備える、請求項1記載の入れ子状のTIA回路。
  6. 前記0次のTIAが、第2の入力、及び第2の出力を有する0次の差動モードTIAであり、
    前記第1のオペアンプが、
    差動モードオペアンプであり、
    前記0次のTIAの前記第2の出力に接続する第2の入力、
    前記第1のオペアンプの前記第2の入力によって駆動される第のトランジスタ、
    第1のバイアス電圧によって駆動され、且つ、前記第のトランジスタに接続する第4のトランジスタ、
    前記第のトランジスタに接続する第1の電流源、
    前記第4のトランジスタに接続する第2の電流源、
    前記第のトランジスタと前記第4のトランジスタの間の接続部にある第2の出力、
    を有する、
    請求項1記載の入れ子状のTIA回路。
  7. 前記第1のトランジスタ及び前記第のトランジスタに接続する第3の電流源を更に備える、請求項6に記載の入れ子状のTIA回路。
  8. 前記0次のTIAは、
    複数の入力及び複数の出力を有する第2の差動モードオペアンプと、
    複数の入力及び複数の出力を有する第3の差動モードオペアンプであって、該第3の差動モードオペアンプの前記複数の入力がそれぞれ、前記第2の差動モードオペアンプの前記複数の出力のうち対応の出力に接続している、該第3の差動モードオペアンプと、
    第1の端部及び第2の端部を有する複数の抵抗であって、複数の抵抗の前記第1の端部及び第2の端部それぞれが、前記第3の差動モードオペアンプの前記複数の入力及び前記複数の出力に接続している、該複数の抵抗と、
    を備える、請求項6に記載の入れ子状のIA回路。
  9. 前記第1のオペアンプの前記第1の出力に接続する一端、及び、前記0次のTIAの前記第1の入力に接続する他端を有する第1の抵抗と、
    前記第1のオペアンプの前記第2の出力に接続する一端、及び、前記0次のTIAの前記第2の入力に接続する他端を有する第2の抵抗と、
    を更に備える、請求項6に記載の入れ子状のTIA回路。
JP2007009337A 2006-01-18 2007-01-18 入れ子状のトランスインピーダンス増幅器 Expired - Fee Related JP5010293B2 (ja)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
US75989906P 2006-01-18 2006-01-18
US60/759899 2006-01-18
US79856706P 2006-05-08 2006-05-08
US79848006P 2006-05-08 2006-05-08
US60/798480 2006-05-08
US60/798567 2006-05-08
US81726806P 2006-06-29 2006-06-29
US60/817268 2006-06-29
US11/495,813 US7551024B2 (en) 2001-03-13 2006-07-28 Nested transimpedance amplifier
US11/495813 2006-07-28

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2012037544A Division JP5367857B2 (ja) 2006-01-18 2012-02-23 入れ子状のトランスインピーダンス増幅器

Publications (3)

Publication Number Publication Date
JP2007208972A JP2007208972A (ja) 2007-08-16
JP2007208972A5 true JP2007208972A5 (ja) 2010-02-25
JP5010293B2 JP5010293B2 (ja) 2012-08-29

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JP2007009337A Expired - Fee Related JP5010293B2 (ja) 2006-01-18 2007-01-18 入れ子状のトランスインピーダンス増幅器
JP2012037544A Active JP5367857B2 (ja) 2006-01-18 2012-02-23 入れ子状のトランスインピーダンス増幅器

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Country Status (5)

Country Link
US (6) US7551024B2 (ja)
EP (1) EP1811657B1 (ja)
JP (2) JP5010293B2 (ja)
SG (1) SG134250A1 (ja)
TW (2) TWI420804B (ja)

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