DE602004010237T2 - System und verfahren zur verringerung der übertragungsfunktionswelligkeit in einem logarithmischen rms-zu-gleichstrom-wandler - Google Patents
System und verfahren zur verringerung der übertragungsfunktionswelligkeit in einem logarithmischen rms-zu-gleichstrom-wandler Download PDFInfo
- Publication number
- DE602004010237T2 DE602004010237T2 DE602004010237T DE602004010237T DE602004010237T2 DE 602004010237 T2 DE602004010237 T2 DE 602004010237T2 DE 602004010237 T DE602004010237 T DE 602004010237T DE 602004010237 T DE602004010237 T DE 602004010237T DE 602004010237 T2 DE602004010237 T2 DE 602004010237T2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- rms
- converter system
- component
- error amplifier
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title description 7
- 230000005540 biological transmission Effects 0.000 title description 4
- 238000012546 transfer Methods 0.000 claims description 22
- 238000012935 Averaging Methods 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- 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)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44757103P | 2003-02-14 | 2003-02-14 | |
| US447571P | 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 (2)
| Publication Number | Publication Date |
|---|---|
| DE602004010237D1 DE602004010237D1 (de) | 2008-01-03 |
| DE602004010237T2 true DE602004010237T2 (de) | 2008-10-02 |
Family
ID=32908463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE602004010237T Expired - Lifetime DE602004010237T2 (de) | 2003-02-14 | 2004-02-09 | System und verfahren zur verringerung der übertragungsfunktionswelligkeit in einem logarithmischen rms-zu-gleichstrom-wandler |
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)
| 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)
| 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 |
-
2004
- 2004-02-09 DE DE602004010237T patent/DE602004010237T2/de not_active Expired - Lifetime
- 2004-02-09 US US10/774,905 patent/US7106604B2/en not_active Expired - Lifetime
- 2004-02-09 EP EP04709417A patent/EP1595331B1/en not_active Expired - Lifetime
- 2004-02-09 JP JP2005518289A patent/JP4185527B2/ja not_active Expired - Fee Related
- 2004-02-09 WO PCT/US2004/003697 patent/WO2004075401A1/en not_active Ceased
- 2004-02-09 CN CN2004800016061A patent/CN1717865B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| 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 |
| JP4185527B2 (ja) | 2008-11-26 |
| EP1595331A1 (en) | 2005-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |