CN101977030A - 用数模混合方法校正Gm-C滤波器转角频率的结构 - Google Patents
用数模混合方法校正Gm-C滤波器转角频率的结构 Download PDFInfo
- Publication number
- CN101977030A CN101977030A CN 201010556670 CN201010556670A CN101977030A CN 101977030 A CN101977030 A CN 101977030A CN 201010556670 CN201010556670 CN 201010556670 CN 201010556670 A CN201010556670 A CN 201010556670A CN 101977030 A CN101977030 A CN 101977030A
- Authority
- CN
- China
- Prior art keywords
- module
- filter
- switch
- switched
- corner frequency
- 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
Images
Landscapes
- Networks Using Active Elements (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010556670 CN101977030B (zh) | 2010-11-24 | 2010-11-24 | 用数模混合方法校正Gm-C滤波器转角频率的结构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201010556670 CN101977030B (zh) | 2010-11-24 | 2010-11-24 | 用数模混合方法校正Gm-C滤波器转角频率的结构 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101977030A true CN101977030A (zh) | 2011-02-16 |
CN101977030B CN101977030B (zh) | 2013-04-03 |
Family
ID=43576884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201010556670 Active CN101977030B (zh) | 2010-11-24 | 2010-11-24 | 用数模混合方法校正Gm-C滤波器转角频率的结构 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101977030B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102497175A (zh) * | 2011-11-28 | 2012-06-13 | 苏州工业职业技术学院 | 一种简易调频装置 |
CN107196656A (zh) * | 2016-03-15 | 2017-09-22 | 联发科技(新加坡)私人有限公司 | 一种信号校准电路及信号校准方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1633025A (zh) * | 2004-12-02 | 2005-06-29 | 上海大学 | 阻带内具有两个衰减极点的低通滤波器 |
US20060055488A1 (en) * | 2003-01-20 | 2006-03-16 | Ten Dolle Hendrik K J | Resonator filter structure having equal resonance frequencies |
CN201918967U (zh) * | 2010-11-24 | 2011-08-03 | 无锡思泰迪半导体有限公司 | 一种用数模混合方法校正Gm-C滤波器转角频率的结构 |
-
2010
- 2010-11-24 CN CN 201010556670 patent/CN101977030B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060055488A1 (en) * | 2003-01-20 | 2006-03-16 | Ten Dolle Hendrik K J | Resonator filter structure having equal resonance frequencies |
CN1633025A (zh) * | 2004-12-02 | 2005-06-29 | 上海大学 | 阻带内具有两个衰减极点的低通滤波器 |
CN201918967U (zh) * | 2010-11-24 | 2011-08-03 | 无锡思泰迪半导体有限公司 | 一种用数模混合方法校正Gm-C滤波器转角频率的结构 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102497175A (zh) * | 2011-11-28 | 2012-06-13 | 苏州工业职业技术学院 | 一种简易调频装置 |
CN107196656A (zh) * | 2016-03-15 | 2017-09-22 | 联发科技(新加坡)私人有限公司 | 一种信号校准电路及信号校准方法 |
CN107196656B (zh) * | 2016-03-15 | 2020-11-06 | 联发科技(新加坡)私人有限公司 | 一种信号校准电路及信号校准方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101977030B (zh) | 2013-04-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111030630B (zh) | 一种利用开关电容校准片上rc时间常数的电路和方法 | |
US5617093A (en) | Switched capacitor analog circuits with low input capacitance | |
US7239197B2 (en) | Gm-C time constant tuning circuit | |
US8446198B2 (en) | Phase interpolator and a delay circuit for the phase interpolator | |
EP1962420B1 (en) | High-precision calibration circuit calibrating an adjustable capacitance of an integrated circuit having a time constant depending on said capacitance | |
CN103036538A (zh) | 校准比较器失调电压的电路及其方法 | |
CN104660216B (zh) | 一种用于Gm‑C滤波器的高精度频率校准电路 | |
KR100633361B1 (ko) | 튜닝 회로. | |
US8222944B2 (en) | DC offset cancellation circuit | |
CN109547019A (zh) | 一种应用于宽调谐范围的双lc-vco结构锁相环及校准方法 | |
CN1954494A (zh) | 时滞校正装置 | |
CN101977030B (zh) | 用数模混合方法校正Gm-C滤波器转角频率的结构 | |
CN109743036A (zh) | 一种校准电路及方法 | |
CN101242167A (zh) | Gm/C调控电路以及滤波器 | |
CN201918967U (zh) | 一种用数模混合方法校正Gm-C滤波器转角频率的结构 | |
CN105305961A (zh) | 消除比较器延迟的振荡电路 | |
TWI246249B (en) | Frequency tuning loop for active-Rc filters | |
WO2017008550A1 (zh) | 额外环路延迟补偿电路、方法、存储介质和模数转换器 | |
CN202663367U (zh) | 一种连续时间滤波器的自适应调谐系统 | |
CN102386846B (zh) | 可编程振荡器 | |
CN101820261B (zh) | 一种滤波器截止频率的校正装置 | |
CN102710233B (zh) | 一种连续时间滤波器的自适应调谐系统 | |
CN102281056A (zh) | 滤波器时间常数的校正装置 | |
CN107346959A (zh) | 一种针对输出工作点进行失调电压校正的运算放大器 | |
US7573326B2 (en) | Forwarded clock filtering |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Structure for correcting corner frequency of Gm-C filter by hybrid analog-digital method Effective date of registration: 20180207 Granted publication date: 20130403 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: SteadiChips Inc. Registration number: 2018990000133 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220929 Granted publication date: 20130403 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: STEADICHIPS Inc. Registration number: 2018990000133 |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221219 Address after: No. 295, Building 17, No. 2723, Fuchunwan Avenue, Chunjiang Street, Fuyang District, Hangzhou, Zhejiang, 310000 Patentee after: Hangzhou Sitai Microelectronics Co.,Ltd. Address before: Room 1109, Software Park, No. 16, Changjiang Road, New District, Wuxi City, Jiangsu Province, 214028 Patentee before: STEADICHIPS Inc. |