CN102404059A - 具有双重讯号强度指示干扰检测的自动增益控制系统 - Google Patents
具有双重讯号强度指示干扰检测的自动增益控制系统 Download PDFInfo
- Publication number
- CN102404059A CN102404059A CN2011102216581A CN201110221658A CN102404059A CN 102404059 A CN102404059 A CN 102404059A CN 2011102216581 A CN2011102216581 A CN 2011102216581A CN 201110221658 A CN201110221658 A CN 201110221658A CN 102404059 A CN102404059 A CN 102404059A
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- signal strength
- tuner
- signal
- gain
- adjustment unit
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- 238000001514 detection method Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 claims description 22
- 238000001914 filtration Methods 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- 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
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3078—Circuits generating control signals for digitally modulated signals
Landscapes
- Circuits Of Receivers In General (AREA)
- Amplifiers (AREA)
- Superheterodyne Receivers (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37046810P | 2010-08-04 | 2010-08-04 | |
US61/370,468 | 2010-08-04 | ||
US13/159,921 | 2011-06-14 | ||
US13/159,921 US8498600B2 (en) | 2010-08-04 | 2011-06-14 | Automatic gain control system with dual-RSSI interference detection for optimization of sensitivity and adjacent channel rejection performance of RF receivers |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102404059A true CN102404059A (zh) | 2012-04-04 |
CN102404059B CN102404059B (zh) | 2014-09-10 |
Family
ID=45556500
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110221658.1A Active CN102404059B (zh) | 2010-08-04 | 2011-08-04 | 一种调谐器及其增益调整方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8498600B2 (zh) |
CN (1) | CN102404059B (zh) |
TW (1) | TWI429206B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104104458A (zh) * | 2014-07-17 | 2014-10-15 | 南京创嵘盛信息技术有限公司 | 一种时分信号的主信号判定方法及其强度检测方法 |
CN108649988A (zh) * | 2017-03-21 | 2018-10-12 | 瑞昱半导体股份有限公司 | 无线通信系统接收电路及射频信号接收方法 |
CN112235855A (zh) * | 2020-09-25 | 2021-01-15 | 锐迪科微电子(上海)有限公司 | 一种信号处理方法及装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013169514A1 (en) * | 2012-05-07 | 2013-11-14 | Zte (Usa) Inc. | Receiver architecture for dual receiver signal level and interference detection in microwave digital radio applications |
US20140120845A1 (en) * | 2012-10-30 | 2014-05-01 | Anayas360.Com, Llc | Low noise and loss biasing circuit |
TWI565232B (zh) * | 2014-04-16 | 2017-01-01 | 微晶片科技公司 | 增益控制方法、模組與使用其的無線信號接收器 |
US9876421B2 (en) * | 2015-10-09 | 2018-01-23 | Semiconductor Components Industries, Llc | Power supply controller and related methods |
US10615829B1 (en) * | 2019-03-19 | 2020-04-07 | Cypress Semiconductor Corporation | Systems and methods for adjusting receive sensitivity using collocated communication circuitry |
US11139791B2 (en) | 2019-09-18 | 2021-10-05 | Texas Instruments Incorporated | Integrated circuit devices with receiver chain peak detectors |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1198615A (zh) * | 1997-03-14 | 1998-11-11 | 株式会社东芝 | 无线设备 |
US20070030929A1 (en) * | 2005-03-30 | 2007-02-08 | Silicon Laboratories, Inc. | Television reciever with automatic gain control (AGC) |
US7242915B2 (en) * | 2001-09-28 | 2007-07-10 | Broadcom Corporation | Timing based LNA gain adjustment in an RF receiver to compensate for intermodulation interference |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7414676B2 (en) * | 2002-07-31 | 2008-08-19 | Conexant Systems, Inc. | Integrated programmable tuner |
US7924944B2 (en) * | 2005-09-16 | 2011-04-12 | Broadcom Corporation | Method and system for multi-band direct conversion complimentary metal-oxide-semiconductor (CMOS) mobile television tuner |
US8169546B2 (en) * | 2008-02-19 | 2012-05-01 | Newport Media, Inc. | Technique for tuner automatic gain control circuit for mobile television applications |
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2011
- 2011-06-14 US US13/159,921 patent/US8498600B2/en active Active
- 2011-07-28 TW TW100126873A patent/TWI429206B/zh active
- 2011-08-04 CN CN201110221658.1A patent/CN102404059B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1198615A (zh) * | 1997-03-14 | 1998-11-11 | 株式会社东芝 | 无线设备 |
US7242915B2 (en) * | 2001-09-28 | 2007-07-10 | Broadcom Corporation | Timing based LNA gain adjustment in an RF receiver to compensate for intermodulation interference |
US20070030929A1 (en) * | 2005-03-30 | 2007-02-08 | Silicon Laboratories, Inc. | Television reciever with automatic gain control (AGC) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104104458A (zh) * | 2014-07-17 | 2014-10-15 | 南京创嵘盛信息技术有限公司 | 一种时分信号的主信号判定方法及其强度检测方法 |
CN108649988A (zh) * | 2017-03-21 | 2018-10-12 | 瑞昱半导体股份有限公司 | 无线通信系统接收电路及射频信号接收方法 |
CN112235855A (zh) * | 2020-09-25 | 2021-01-15 | 锐迪科微电子(上海)有限公司 | 一种信号处理方法及装置 |
WO2022062883A1 (zh) * | 2020-09-25 | 2022-03-31 | 锐迪科微电子(上海)有限公司 | 一种信号处理方法及装置 |
CN112235855B (zh) * | 2020-09-25 | 2022-09-30 | 锐迪科微电子(上海)有限公司 | 一种信号处理方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
TW201208262A (en) | 2012-02-16 |
US20120034894A1 (en) | 2012-02-09 |
US8498600B2 (en) | 2013-07-30 |
CN102404059B (zh) | 2014-09-10 |
TWI429206B (zh) | 2014-03-01 |
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Owner name: INFOMAX COMMUNICATION CO., LTD. Free format text: FORMER OWNER: HONGYANG TECHNOLOGY CO., LTD. Effective date: 20130107 |
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Effective date of registration: 20130107 Address after: Hsinchu Science Park, Taiwan, China Applicant after: infomax Communication Co.,Ltd. Address before: Hsinchu Science Park, Taiwan, China Applicant before: Maxrise Inc. |
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Effective date of registration: 20170911 Address after: Hsinchu Science Park, Taiwan, China Patentee after: Macronix International Co.,Ltd. Address before: Hsinchu Science Park, Taiwan, China Patentee before: infomax Communication Co.,Ltd. |
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