JP4185527B2 - 対数ｒｍｓ／ｄｃコンバータにおける伝達関数リプルを低減するシステム及び方法 - Google Patents

対数ｒｍｓ／ｄｃコンバータにおける伝達関数リプルを低減するシステム及び方法 Download PDF

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Publication number
JP4185527B2
JP4185527B2 JP2005518289A JP2005518289A JP4185527B2 JP 4185527 B2 JP4185527 B2 JP 4185527B2 JP 2005518289 A JP2005518289 A JP 2005518289A JP 2005518289 A JP2005518289 A JP 2005518289A JP 4185527 B2 JP4185527 B2 JP 4185527B2
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signal
rms
component
converter system
amplifier
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JP2005518289A
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JP2006514810A (ja
JP2006514810A5 (enExample
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イーモン ナッシュ
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アナログ デバイスズ インコーポレイテッド
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/02—Measuring effective values, i.e. root-mean-square values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/22—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of AC into DC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplifiers (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Transmitters (AREA)
JP2005518289A 2003-02-14 2004-02-09 対数ｒｍｓ／ｄｃコンバータにおける伝達関数リプルを低減するシステム及び方法 Expired - Fee Related JP4185527B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44757103P 2003-02-14 2003-02-14
PCT/US2004/003697 WO2004075401A1 (en) 2003-02-14 2004-02-09 System and method for reducing transfer function ripple in a logarithmic rms-to-dc converter

Publications (3)

Publication Number Publication Date
JP2006514810A JP2006514810A (ja) 2006-05-11
JP2006514810A5 JP2006514810A5 (enExample) 2006-06-22
JP4185527B2 true JP4185527B2 (ja) 2008-11-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005518289A Expired - Fee Related JP4185527B2 (ja) 2003-02-14 2004-02-09 対数ｒｍｓ／ｄｃコンバータにおける伝達関数リプルを低減するシステム及び方法

Country Status (6)

Country Link
US (1) US7106604B2 (enExample)
EP (1) EP1595331B1 (enExample)
JP (1) JP4185527B2 (enExample)
CN (1) CN1717865B (enExample)
DE (1) DE602004010237T2 (enExample)
WO (1) WO2004075401A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7697909B2 (en) * 2004-09-01 2010-04-13 National Semiconductor Corporation Extended range RMS-DC converter
CN1909428B (zh) * 2005-08-04 2010-06-09 中兴通讯股份有限公司 增强数据速率的gsm演进系统中驻波比告警检测装置
US8130821B2 (en) * 2006-05-18 2012-03-06 Oracle America, Inc. Equalization in capacitively coupled communication links
US7342431B2 (en) * 2006-07-27 2008-03-11 Linear Technology Corporation Low power wide dynamic range RMS-to-DC converter
US7660685B2 (en) * 2006-08-02 2010-02-09 Lecroy Corporation Virtual probing
US7545303B1 (en) * 2008-03-14 2009-06-09 National Semiconductor Corporation Sigma-delta difference-of-squares RMS-to-DC converter with forward and feedback paths signal squaring
US7994840B2 (en) * 2008-05-19 2011-08-09 Maxim Integrated Products, Inc. RMS detector with automatic gain control
US8060040B2 (en) * 2008-08-18 2011-11-15 Telefonaktiebolaget Lm Ericsson (Publ) True root-mean-square detection with a sub-threshold transistor bridge circuit
US9625498B2 (en) 2010-09-17 2017-04-18 Hittite Microwave Llc RMS and envelope detector
US8665127B2 (en) 2010-12-08 2014-03-04 National Semiconductor Corporation Σ-Δ difference-of-squares RMS to DC converter with multiple feedback paths
US8665128B2 (en) 2010-12-08 2014-03-04 National Semiconductor Corporation Sigma-delta difference-of-squares log-RMS to DC converter with forward path multiplier and chopper stabilization
US8665126B2 (en) 2010-12-08 2014-03-04 National Semiconductor Corporation ΣΔ difference-of-squares LOG-RMS to DC converter with forward and feedback paths signal squaring
US8698544B2 (en) 2012-03-12 2014-04-15 Analog Devices, Inc. Dynamic improvement in RMS to DC converters
CN107612518B (zh) * 2017-08-20 2020-09-15 西安电子科技大学 低压自调制可变增益放大器电路及混合集成电路
US10768211B2 (en) 2017-08-25 2020-09-08 Oracle International Corporation System and method for current sense resistor compensation
WO2019092814A1 (ja) * 2017-11-08 2019-05-16 三菱電機株式会社 可変利得増幅器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918003A (en) * 1974-10-29 1975-11-04 Bell Telephone Labor Inc Combined feedback and feedforward automatic gain control
US5126686A (en) * 1989-08-15 1992-06-30 Astec International, Ltd. RF amplifier system having multiple selectable power output levels
JP2776071B2 (ja) * 1991-07-19 1998-07-16 松下電器産業株式会社 送信出力包絡線検波回路および線形送信回路
US5724003A (en) * 1995-12-29 1998-03-03 Maxim Integrated Products, Inc. Methods and apparatus for signal amplitude control systems
US6348781B1 (en) * 2000-12-11 2002-02-19 Motorola, Inc. Buck or boost power converter
JP3942013B2 (ja) * 2002-01-28 2007-07-11 株式会社ルネサステクノロジ 通信用半導体集積回路および無線通信装置

Also Published As

Publication number Publication date
DE602004010237T2 (de) 2008-10-02
JP2006514810A (ja) 2006-05-11
US7106604B2 (en) 2006-09-12
EP1595331B1 (en) 2007-11-21
CN1717865B (zh) 2010-05-12
US20040223349A1 (en) 2004-11-11
DE602004010237D1 (de) 2008-01-03
WO2004075401A1 (en) 2004-09-02
CN1717865A (zh) 2006-01-04
EP1595331A1 (en) 2005-11-16

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