CN105306081A - 低中频接收器 - Google Patents
低中频接收器 Download PDFInfo
- Publication number
- CN105306081A CN105306081A CN201510315305.6A CN201510315305A CN105306081A CN 105306081 A CN105306081 A CN 105306081A CN 201510315305 A CN201510315305 A CN 201510315305A CN 105306081 A CN105306081 A CN 105306081A
- Authority
- CN
- China
- Prior art keywords
- signal
- pga
- gain
- programming
- lif
- 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.)
- Granted
Links
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 230000003321 amplification Effects 0.000 claims description 13
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000004044 response Effects 0.000 abstract description 8
- 238000012937 correction Methods 0.000 description 28
- 101100508921 Arabidopsis thaliana IPT8 gene Proteins 0.000 description 16
- 101100519712 Candida albicans (strain SC5314 / ATCC MYA-2876) PGA22 gene Proteins 0.000 description 16
- 238000000034 method Methods 0.000 description 16
- 230000003068 static effect Effects 0.000 description 13
- 230000008859 change Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003412 degenerative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
- H04B2001/305—Circuits for homodyne or synchrodyne receivers using dc offset compensation techniques
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/302,223 | 2014-06-11 | ||
US14/302,223 US9391578B2 (en) | 2014-06-11 | 2014-06-11 | Low intermediate frequency receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105306081A true CN105306081A (zh) | 2016-02-03 |
CN105306081B CN105306081B (zh) | 2018-03-30 |
Family
ID=54706935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510315305.6A Active CN105306081B (zh) | 2014-06-11 | 2015-06-10 | 低中频接收器、iq接收器和收发器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9391578B2 (zh) |
CN (1) | CN105306081B (zh) |
DE (1) | DE102015109028B9 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107528577A (zh) * | 2016-06-20 | 2017-12-29 | 艾科嘉公司 | 用于多信道传感器接口的方法和装置 |
CN112204892A (zh) * | 2018-06-22 | 2021-01-08 | 苹果公司 | 毫米波(mmwave)系统和方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9813265B2 (en) * | 2015-04-14 | 2017-11-07 | Gainspan Corporation | Receiver DC offset calibration with antenna connected |
US9729119B1 (en) * | 2016-03-04 | 2017-08-08 | Atmel Corporation | Automatic gain control for received signal strength indication |
CN106505959B (zh) * | 2016-10-18 | 2020-01-14 | 武汉凡谷电子技术股份有限公司 | 一种数字微波系统高增益射频通道agc控制环路 |
GB201907717D0 (en) * | 2019-05-31 | 2019-07-17 | Nordic Semiconductor Asa | Apparatus and methods for dc-offset estimation |
US11374803B2 (en) | 2020-10-16 | 2022-06-28 | Analog Devices, Inc. | Quadrature error correction for radio transceivers |
WO2022167059A1 (de) | 2021-02-02 | 2022-08-11 | Lambda:4 Entwicklungen Gmbh | Verfahren zur bestimmung des iq offsets |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020042256A1 (en) * | 2000-10-02 | 2002-04-11 | Baldwin Keith R | Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture |
US6748200B1 (en) * | 2000-10-02 | 2004-06-08 | Mark A. Webster | Automatic gain control system and method for a ZIF architecture |
CN101102096A (zh) * | 2001-02-16 | 2008-01-09 | 高通股份有限公司 | 直接变频接收机结构 |
CN102045080A (zh) * | 2009-10-20 | 2011-05-04 | 联咏科技股份有限公司 | 射频信号接收装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7221918B1 (en) | 2003-08-11 | 2007-05-22 | National Semiconductor Corporation | Digital DC-offset correction circuit for an RF receiver |
US7215266B2 (en) | 2004-05-21 | 2007-05-08 | Wionics Research | Hybrid DC offset cancellation scheme for wireless receiver |
US8229381B2 (en) | 2007-10-03 | 2012-07-24 | Maxlinear, Inc. | Method and apparatus for efficient DC calibration in a direct-conversion system with variable DC gain |
JP2011188012A (ja) | 2010-03-04 | 2011-09-22 | Toshiba Corp | Dcオフセットキャンセラ |
-
2014
- 2014-06-11 US US14/302,223 patent/US9391578B2/en active Active
-
2015
- 2015-06-09 DE DE102015109028.7A patent/DE102015109028B9/de active Active
- 2015-06-10 CN CN201510315305.6A patent/CN105306081B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020042256A1 (en) * | 2000-10-02 | 2002-04-11 | Baldwin Keith R | Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture |
US6748200B1 (en) * | 2000-10-02 | 2004-06-08 | Mark A. Webster | Automatic gain control system and method for a ZIF architecture |
CN101102096A (zh) * | 2001-02-16 | 2008-01-09 | 高通股份有限公司 | 直接变频接收机结构 |
US20080014895A1 (en) * | 2001-02-16 | 2008-01-17 | Qualcomm Incorporated | Direct conversion receiver architecture |
CN102045080A (zh) * | 2009-10-20 | 2011-05-04 | 联咏科技股份有限公司 | 射频信号接收装置 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107528577A (zh) * | 2016-06-20 | 2017-12-29 | 艾科嘉公司 | 用于多信道传感器接口的方法和装置 |
CN107528577B (zh) * | 2016-06-20 | 2023-10-20 | 艾科嘉公司 | 用于多信道传感器接口的方法和装置 |
CN112204892A (zh) * | 2018-06-22 | 2021-01-08 | 苹果公司 | 毫米波(mmwave)系统和方法 |
CN112204892B (zh) * | 2018-06-22 | 2022-11-11 | 苹果公司 | 毫米波(mmwave)系统和方法 |
US11811439B2 (en) | 2018-06-22 | 2023-11-07 | Apple Inc. | Millimeter wave (MMWAVE) system and methods |
US11956001B2 (en) | 2018-06-22 | 2024-04-09 | Apple Inc. | Millimeter wave (mmWave) system and methods |
Also Published As
Publication number | Publication date |
---|---|
US9391578B2 (en) | 2016-07-12 |
DE102015109028B4 (de) | 2018-05-24 |
DE102015109028A1 (de) | 2015-12-17 |
US20150365118A1 (en) | 2015-12-17 |
DE102015109028B9 (de) | 2018-08-23 |
CN105306081B (zh) | 2018-03-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105306081A (zh) | 低中频接收器 | |
US8379767B2 (en) | Methods and systems to compensate IQ imbalance in zero-IF tuners | |
US20090088086A1 (en) | Modified dual band direct conversion architecture that allows extensive digital calibration | |
US20080139141A1 (en) | Method and system for estimating and compensating non-linear distortion in a transmitter using data signal feedback | |
KR102508414B1 (ko) | 개선된 선형성을 갖는 rf 송수신기 프런트 엔드 모듈 | |
US20110143791A1 (en) | Linearized transmitter including a power amplifier | |
US20110286553A1 (en) | Dc offset calibration | |
US8948700B2 (en) | Method and system for compensating for distortion in a transmitter by utilizing a digital predistortion scheme with a feedback mixer configuration | |
US9160356B1 (en) | Analog to digital convertor and a method of calibrating same | |
US20110206160A1 (en) | Receiving data compensation method to improve data receiving rate and receiving modem circuit thereof | |
JP5151785B2 (ja) | 送信機及び送受信装置 | |
CN102771053A (zh) | 通信校正装置及方法 | |
CN102694575B (zh) | 无线通信装置以及无线通信方法 | |
US7697614B2 (en) | System and method for calibrating an analog signal path during operation in an ultra wideband receiver | |
US8374210B2 (en) | Wide band transceiver and data receiving method using a tunable notch filter and pre-estimated optimal notch filter parameters | |
US8514989B2 (en) | Method circuit and system for adapting a receiver receive chain based on detected background noise | |
US8855180B2 (en) | Receiver with enhanced DC compensation | |
JP2012019307A (ja) | 受信装置および送受信装置 | |
US9954627B2 (en) | Quadrature demodulator and wireless receiver | |
KR20230029921A (ko) | 무선 송신기들에 대한 장치 및 방법들 | |
EP1133066A1 (en) | Transmitter/receiver | |
US8249539B2 (en) | Device and method for DC offset cancellation | |
JP4786524B2 (ja) | 基地局アンテナのキャリブレーション方法、及び通信基地局 | |
US10142041B2 (en) | Homodyne receiver calibration | |
EP3716491B1 (en) | Signal component cancellation for feedback receiver |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: Limerick Patentee after: Analog Devices Global Unlimited Co. Address before: Limerick Patentee before: Analog Devices Global |
|
CP01 | Change in the name or title of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: Limerick Patentee after: Analog Devices Global Address before: Bermuda (UK) Hamilton Patentee before: Analog Devices Global |
|
CP02 | Change in the address of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210630 Address after: Limerick Patentee after: ANALOG DEVICES INTERNATIONAL UNLIMITED Co. Address before: Limerick Patentee before: Analog Devices Global Unlimited Co. |
|
TR01 | Transfer of patent right |