TWI456221B - 具有模擬發光二極體特性之電子負載 - Google Patents

具有模擬發光二極體特性之電子負載 Download PDF

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Publication number
TWI456221B
TWI456221B TW100102258A TW100102258A TWI456221B TW I456221 B TWI456221 B TW I456221B TW 100102258 A TW100102258 A TW 100102258A TW 100102258 A TW100102258 A TW 100102258A TW I456221 B TWI456221 B TW I456221B
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TW
Taiwan
Prior art keywords
signal
current
amplifier
driving
voltage
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TW100102258A
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English (en)
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TW201232001A (en
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Chroma Ate Inc
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Priority to TW100102258A priority Critical patent/TWI456221B/zh
Publication of TW201232001A publication Critical patent/TW201232001A/zh
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Publication of TWI456221B publication Critical patent/TWI456221B/zh

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  • Led Devices (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Claims (1)

  1. 一種具有模擬發光二極體特性之電子負載，係用以量測一驅動電源之一驅動電壓，並據以自該驅動電源拉載出一驅動電流，在任一時間內該驅動電壓與該驅動電流係近似所模擬之一發光二極體模組之特性曲線，該電子負載係包含：一第一訊號放大器，係用以量測該驅動電壓，並據以產生一電壓放大訊號；一指數函數轉換器，係電性連結於該第一訊號放大器，用以接收該電壓放大訊號，並以一指數函數方程式將該電壓放大訊號轉換出一電流參考訊號；一第二訊號放大器，係電性連結於該指數函數轉換器，用以接收該電流參考訊號，並據以產生一電流放大訊號；一電流放大器，係電性連結於該第二訊號放大器，藉以接收該電流放大訊號，並依據該電流放大訊號自該驅動電源拉載出該驅動電流；以及一控制單元，係電性連結於該第一訊號放大器與該第二訊號放大器，藉以調整該第一訊號放大器之一第一放大倍數與該第二訊號放大器之一第二放大倍數。
TW100102258A 2011-01-21 2011-01-21 具有模擬發光二極體特性之電子負載 TWI456221B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW100102258A TWI456221B (zh) 2011-01-21 2011-01-21 具有模擬發光二極體特性之電子負載

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW100102258A TWI456221B (zh) 2011-01-21 2011-01-21 具有模擬發光二極體特性之電子負載

Publications (2)

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TW201232001A TW201232001A (en) 2012-08-01
TWI456221B true TWI456221B (zh) 2014-10-11

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TW100102258A TWI456221B (zh) 2011-01-21 2011-01-21 具有模擬發光二極體特性之電子負載

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102772098A (zh) * 2012-08-03 2012-11-14 张应刚 一种保温杯

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0524294B1 (fr) * 1991-02-08 1995-11-22 Thomson-Csf Semiconducteurs Specifiques Circuit d'amplification a commande de gain exponentielle
TW492238B (en) * 2000-03-29 2002-06-21 Microchip Tech Inc Operational amplifier phase reversal protection
TW200403637A (en) * 2002-08-06 2004-03-01 Koninkl Philips Electronics Nv Optical disk system with non-linearly controlled amplifier
US20080042748A1 (en) * 2006-08-18 2008-02-21 Nyun-Tae Kim Db-linear variable voltage gain amplifier

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0524294B1 (fr) * 1991-02-08 1995-11-22 Thomson-Csf Semiconducteurs Specifiques Circuit d'amplification a commande de gain exponentielle
TW492238B (en) * 2000-03-29 2002-06-21 Microchip Tech Inc Operational amplifier phase reversal protection
TW200403637A (en) * 2002-08-06 2004-03-01 Koninkl Philips Electronics Nv Optical disk system with non-linearly controlled amplifier
US20080042748A1 (en) * 2006-08-18 2008-02-21 Nyun-Tae Kim Db-linear variable voltage gain amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102772098A (zh) * 2012-08-03 2012-11-14 张应刚 一种保温杯

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TW201232001A (en) 2012-08-01

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