CN107370465B - 高精度宽带可编程增益放大器 - Google Patents
高精度宽带可编程增益放大器 Download PDFInfo
- Publication number
- CN107370465B CN107370465B CN201710472492.8A CN201710472492A CN107370465B CN 107370465 B CN107370465 B CN 107370465B CN 201710472492 A CN201710472492 A CN 201710472492A CN 107370465 B CN107370465 B CN 107370465B
- Authority
- CN
- China
- Prior art keywords
- type mos
- mos transistor
- drain
- resistor
- mos tube
- 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.)
- Active
Links
- 238000003491 array Methods 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 25
- 238000000605 extraction Methods 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/42—Modifications of amplifiers to extend the bandwidth
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
- H03F3/45376—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using junction FET transistors as the active amplifying circuit
- H03F3/45381—Long tailed pairs
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/36—Indexing scheme relating to amplifiers the amplifier comprising means for increasing the bandwidth
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710472492.8A CN107370465B (zh) | 2017-06-20 | 2017-06-20 | 高精度宽带可编程增益放大器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710472492.8A CN107370465B (zh) | 2017-06-20 | 2017-06-20 | 高精度宽带可编程增益放大器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107370465A CN107370465A (zh) | 2017-11-21 |
CN107370465B true CN107370465B (zh) | 2020-12-15 |
Family
ID=60305527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710472492.8A Active CN107370465B (zh) | 2017-06-20 | 2017-06-20 | 高精度宽带可编程增益放大器 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107370465B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108667453B (zh) * | 2018-04-09 | 2021-08-31 | 上海集成电路研发中心有限公司 | 一种压摆率可调的低功耗驱动器电路 |
CN109104157B (zh) * | 2018-07-19 | 2021-04-02 | 电子科技大学 | 一种自调零运算放大器 |
CN109547021A (zh) * | 2018-10-09 | 2019-03-29 | 西安电子科技大学 | 一种单端输入信号转差分输出信号的可调增益放大器 |
CN109660221A (zh) * | 2018-12-18 | 2019-04-19 | 四川长虹电器股份有限公司 | 一种可变增益放大器电路 |
US11057002B2 (en) | 2019-06-18 | 2021-07-06 | Analog Devices International Unlimited Company | Amplifier configurable into multiple modes |
CN112886934B (zh) * | 2021-01-11 | 2024-03-19 | 新郦璞科技(上海)有限公司 | 输入输出电压可调的可编程增益放大器 |
CN113791331B (zh) * | 2021-09-10 | 2023-09-15 | 烽火通信科技股份有限公司 | 一种输出信号范围可调的输入信号幅度检测电路及其方法 |
CN114221627A (zh) * | 2021-12-20 | 2022-03-22 | 上海迦美信芯通讯技术有限公司 | 采用负载可控阵列提升多增益档低噪声放大器线性度电路 |
CN114448407B (zh) * | 2022-04-11 | 2022-06-21 | 广州瀚辰信息科技有限公司 | 开关装置及反馈电阻电路 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7956680B2 (en) * | 2008-07-07 | 2011-06-07 | Mediatek Inc. | Low-noise DC offset calibration circuit and related receiver stage |
CN103051298B (zh) * | 2011-10-17 | 2016-07-06 | 中国科学院微电子研究所 | 可编程增益放大电路和可编程增益放大器 |
US8872589B2 (en) * | 2012-09-20 | 2014-10-28 | Infineon Technologies Ag | System and method for a programmable gain amplifier |
CN103107790B (zh) * | 2012-12-28 | 2017-07-21 | 上海集成电路研发中心有限公司 | 可编程增益放大器 |
CN103916098A (zh) * | 2014-03-28 | 2014-07-09 | 南京邮电大学 | 一种高增益精度可编程增益放大器 |
-
2017
- 2017-06-20 CN CN201710472492.8A patent/CN107370465B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN107370465A (zh) | 2017-11-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107370465B (zh) | 高精度宽带可编程增益放大器 | |
US9973198B2 (en) | Telescopic amplifier with improved common mode settling | |
US5854574A (en) | Reference buffer with multiple gain stages for large, controlled effective transconductance | |
US8676148B2 (en) | Differential amplifier circuit and wireless receiving apparatus | |
US7282994B2 (en) | Active load with adjustable common-mode level | |
CN109347454B (zh) | 一种连续可变增益放大器 | |
US7592867B2 (en) | Common mode feedback for large output swing and low differential error | |
US8174317B2 (en) | Fully-differential amplifier circuit | |
US10622955B2 (en) | Variable gain amplifiers for communication systems | |
CN105871344B (zh) | 轨至轨放大器的装置及系统 | |
US20060232336A1 (en) | Variable-gain differential amplifier | |
US9525391B2 (en) | Fully differential class A/AB amplifier and method thereof | |
US9407221B2 (en) | Differential amplifier circuit | |
CN1835390B (zh) | 低噪声放大器 | |
US20150146884A1 (en) | Circuit for suppressing audio output noise and audio output circuit | |
US7129782B2 (en) | Fully differential amplifier with start up circuit | |
US8217719B2 (en) | Variable gain RF amplifier | |
JP2010505349A (ja) | 信号調整回路、そのような調整回路を含むコンパレータ、およびそのような回路を含む逐次近似変換器 | |
US6833760B1 (en) | Low power differential amplifier powered by multiple unequal power supply voltages | |
CN111800152B (zh) | 一种用于接收机中提取接收信号强度的电路 | |
CN112511110A (zh) | 一种高线性度可编程增益放大器 | |
CN115021687B (zh) | 运算放大器和电子系统 | |
CN109787567B (zh) | 用于信号接收器中的双模信号放大电路 | |
KR100801563B1 (ko) | 가변 이득 증폭기 | |
WO2018083797A1 (ja) | 差動増幅回路及び電圧バッファ回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200922 Address after: Room 301, Room 301, No.8, Lane 912, Bibo Road, Pudong New Area, Shanghai Applicant after: UNICORECOMM (SHANGHAI) TECHNOLOGY CO.,LTD. Applicant after: UNICORE COMMUNICATIONS Inc. Address before: 200000, 3 floor, building 912, Lane 8, blue wave road, Shanghai, Pudong New Area Applicant before: UNICORECOMM (SHANGHAI) TECHNOLOGY Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 200000 whole floor, 8th floor, No. 1, Lane 500, shengxia Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Core and material (Shanghai) Technology Co.,Ltd. Patentee after: UNICORE COMMUNICATIONS Inc. Address before: Room 301, No.8, Lane 912, Bibo Road, Pudong New Area pilot Free Trade Zone, Shanghai Patentee before: UNICORECOMM (SHANGHAI) TECHNOLOGY CO.,LTD. Patentee before: UNICORE COMMUNICATIONS Inc. |
|
CP03 | Change of name, title or address | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220713 Address after: 200000 whole floor, 8th floor, No. 1, Lane 500, shengxia Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Core and material (Shanghai) Technology Co.,Ltd. Address before: 200000 whole floor, 8th floor, No. 1, Lane 500, shengxia Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee before: Core and material (Shanghai) Technology Co.,Ltd. Patentee before: UNICORE COMMUNICATIONS Inc. |
|
TR01 | Transfer of patent right |