KR950007836B1 - 시모스 파워 증폭기 - Google Patents
시모스 파워 증폭기 Download PDFInfo
- Publication number
- KR950007836B1 KR950007836B1 KR1019900019296A KR900019296A KR950007836B1 KR 950007836 B1 KR950007836 B1 KR 950007836B1 KR 1019900019296 A KR1019900019296 A KR 1019900019296A KR 900019296 A KR900019296 A KR 900019296A KR 950007836 B1 KR950007836 B1 KR 950007836B1
- Authority
- KR
- South Korea
- Prior art keywords
- output
- amplifier
- stage
- transistor
- vin
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/30—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor
- H03F3/3001—Single-ended push-pull [SEPP] amplifiers; Phase-splitters therefor with field-effect transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F3/213—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only in integrated circuits
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Amplifiers (AREA)
Abstract
Description
Claims (9)
- 제1 및 제2입력(Vin+,Vin-)에 대한 차동증폭신호로서 다수의 출력신호(S11 내지 S14)를 발생하는 차동입력중폭단(10)과, 상기 출력신호(S11 내지 S14)에 응답하여 상기 제1 및 제2입력 (Vin+,Vin-) 사이의 전압차가 일정전압 이상일 경우 동작되는 제1증폭부(21)와 상기 제1 및 제2입력 (Vin+,Vin-) 사이의 전압차가 일정전압 보다 작을 경우 동작되는 제2증폭부(22)로 이루어진 고이득 증폭단(20)과, 상기 제1증폭부(21)의 제1 및 제2출력신호(S21,S22)에 응답하여 출력(OUT)이 큰 크기로 변하는 경우에는 동작하는 제1출력부(31)와 상기 제2증폭부(22)의 제3출력신호(S23)에 응답하여 출력이 큰 크기 및 작은 크기로 변하는 경우에 동작하는 제2출력부(32)로 이루어지는 푸쉬-풀 출력단(30)으로 구성되는 것을 특징으로 하는 시모스 파워 증폭기.
- 제1항에 있어서, 상기 고이득 증폭단(20)의 제1증폭부(21)와 제2증폭부(22) 각각의 출력에는 AC 안정을 위한 AC 보상용 용량성 소자(C2l,C22)를 더 포함하는 것을 특징으로 하는 시모스 파워 증폭기.
- 제2항에 있어서, 상기 고이득 증폭단(20)의 제1증폭부(21)는 전류미러 트랜지스터쌍(MP2l 내지 MP26)와, 상기 차동입력증폭단(10)으로부터 신호(S11 내지 S14)를 게이트 단자에 입력하여 중폭시키는 트랜지스터쌍(MN21 내지 MN26)으로 이루어져서, 트랜지스터(MN23, MH25)의 드레인 단자로 상기 제1 및 제2출력신호(S21,S22)를 발생시키도록 구성되어지는 것을 특징으로 하는 시모스 파워 증폭기.
- 제2항에 있어서, 상기 고이득 증폭부(20)의 제2증폭부(22)는 전류미러 트랜지스터쌍(MP27 내지 MP3O)와, 상기 차동입력증폭단(10)으로부터 신호(S11 내지 S14)를 게이트 단자에 입력하여 증폭하는 트랜지스터쌍(MN27 내지 MN30)과, 공통 드레인 단자로 상기 제3출력신호(S23)를 발생하는 트랜지스터쌍(MP31, MN31)로 구성되어지는 것을 특징으로 하는 시모스 파워 증폭기.
- 제1항에 있어서, 상기 푸쉬-풀 출력단(30)의 상기 제1출력부(31)는 상기 제1및 제2출력신호(S21,S22)가 각각 게이트에 인가되는 1쌍의 트랜지스터(MP36,MN36)로 구성되어 B급 푸쉬-풀 증폭기로 동작을 하며, 상기 제2출력부(32)는 상기 제3출력신호(S23)가 각 게이트에 공통으로 인가되는 1쌍의 트랜지스터(MN35, MP35)로 구성되어 AB급 푸쉬-풀 증폭기로 동작하는 것을 특징으로 하는 시모스 파워 증폭기.
- 제5항에 있어서, 상기 푸쉬-풀 출력단(30)의 출력(OUT)이 작은 크기로 변하는 경우에, 제1출력부(31)는 동작하지 않으며, 제2출력부(32)에 의하여 부하에 전류가 공급되어지는 것을 특징으로 하는 시모스 파워 증폭기.
- 제6항에 있어서, 상기 푸쉬-풀 출력단(30)의 출력(OUT)이 작은 크기로 변하는 경우에 있어서, 동작점을 중심으로 출력이 증가할 때는 제2출력부(32)의 트랜지스터(MP35)에 의하여 부하에 전류가 공급되어지고, 동작점을 중심으로 출력이 감소할 때에는 제2출력부(32)의 트랜지스터 (MN35)에 의하여 부하에 전류가 공급되어지는 것을 특징으로 하는 시모스 파워 증폭기.
- 제5항에 있어서, 상기 푸쉬-풀 출력단(30)의 출력(OUT)이 큰 크기로 변카는 경우에, 부하에 공급되는 대부분의 전류가 제1출력부(31)에 의하여 공급되어지는 것을 특징으로 하는 시모스 파워 증폭기.
- 제8항에 있어서, 상기 푸쉬-풀 출력단(30)의 출력(OUT)이 큰 크기로 변하는 경우에 있어서, 동작점을 중심으로 출력이 증가할 때는 제1출력부(31)의 트랜지스터(MP36)에 의하여 부하에 전류가 공급되어지고, 동작점을 중심으로 출력이 감소할 때에는 제2출력부(32)의 트랜지스터 (MN36)에 의하여 부하에 전류가 공급되어지는 것을 특징으로 하는 시모스 파워 증폭기 .
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900019296A KR950007836B1 (ko) | 1990-11-27 | 1990-11-27 | 시모스 파워 증폭기 |
| JP3273469A JP2685084B2 (ja) | 1990-11-27 | 1991-09-26 | シーモスパワー増幅器 |
| GB9121142A GB2251525B (en) | 1990-11-27 | 1991-10-04 | Cmos power amplifier |
| US07/771,657 US5177450A (en) | 1990-11-27 | 1991-10-04 | Cmos power amplifier |
| FR9112484A FR2669788A1 (fr) | 1990-11-27 | 1991-10-10 | Amplificateur de puissance cmos. |
| DE4133902A DE4133902C2 (de) | 1990-11-27 | 1991-10-10 | CMOS-Leistungsverstärker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019900019296A KR950007836B1 (ko) | 1990-11-27 | 1990-11-27 | 시모스 파워 증폭기 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR920011054A KR920011054A (ko) | 1992-06-27 |
| KR950007836B1 true KR950007836B1 (ko) | 1995-07-20 |
Family
ID=19306609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019900019296A Expired - Fee Related KR950007836B1 (ko) | 1990-11-27 | 1990-11-27 | 시모스 파워 증폭기 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5177450A (ko) |
| JP (1) | JP2685084B2 (ko) |
| KR (1) | KR950007836B1 (ko) |
| DE (1) | DE4133902C2 (ko) |
| FR (1) | FR2669788A1 (ko) |
| GB (1) | GB2251525B (ko) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3320434B2 (ja) * | 1991-11-28 | 2002-09-03 | 沖電気工業株式会社 | 演算増幅回路 |
| US5315264A (en) * | 1993-05-10 | 1994-05-24 | Exar Corporation | Rail-to-rail opamp with large sourcing current and small quiescent current |
| US5825244A (en) * | 1995-01-20 | 1998-10-20 | Crystal Semiconductor | Low power class AB integrated circuit amplifier having improved linearity when driving high impedance loads |
| US5497122A (en) * | 1995-01-20 | 1996-03-05 | Crystal Semiconductor | Low power class-AB integrated circuit amplifier |
| US5973956A (en) * | 1995-07-31 | 1999-10-26 | Information Storage Devices, Inc. | Non-volatile electrically alterable semiconductor memory for analog and digital storage |
| JP3360501B2 (ja) * | 1995-09-20 | 2002-12-24 | 三菱電機株式会社 | 増幅回路及び携帯電話用半導体集積回路装置 |
| KR100213258B1 (ko) * | 1996-10-23 | 1999-08-02 | 윤종용 | 연산증폭기 |
| JP3416479B2 (ja) * | 1997-09-03 | 2003-06-16 | キヤノン株式会社 | 演算増幅器 |
| JP3173460B2 (ja) * | 1998-04-27 | 2001-06-04 | 日本電気株式会社 | 電力増幅器 |
| US7113744B1 (en) | 1999-10-21 | 2006-09-26 | Broadcom Corporation | Adaptive radio transceiver with a power amplifier |
| US7082293B1 (en) | 1999-10-21 | 2006-07-25 | Broadcom Corporation | Adaptive radio transceiver with CMOS offset PLL |
| US8014724B2 (en) | 1999-10-21 | 2011-09-06 | Broadcom Corporation | System and method for signal limiting |
| US6917789B1 (en) * | 1999-10-21 | 2005-07-12 | Broadcom Corporation | Adaptive radio transceiver with an antenna matching circuit |
| US7558556B1 (en) | 1999-10-21 | 2009-07-07 | Broadcom Corporation | Adaptive radio transceiver with subsampling mixers |
| US7555263B1 (en) | 1999-10-21 | 2009-06-30 | Broadcom Corporation | Adaptive radio transceiver |
| US6961546B1 (en) | 1999-10-21 | 2005-11-01 | Broadcom Corporation | Adaptive radio transceiver with offset PLL with subsampling mixers |
| US7299006B1 (en) * | 1999-10-21 | 2007-11-20 | Broadcom Corporation | Adaptive radio transceiver |
| US6359512B1 (en) * | 2001-01-18 | 2002-03-19 | Texas Instruments Incorporated | Slew rate boost circuitry and method |
| US6583669B1 (en) * | 2002-04-08 | 2003-06-24 | National Semiconductor Corporation | Apparatus and method for a compact class AB turn-around stage with low noise, low offset, and low power consumption |
| TW535364B (en) * | 2002-06-14 | 2003-06-01 | Au Optronics Corp | Digital-to-analog converted circuit for a display |
| CN101359898B (zh) * | 2007-07-31 | 2011-07-06 | 展讯通信(上海)有限公司 | 动态cmos运算放大器的压摆率增加器 |
| US8022766B2 (en) * | 2010-02-01 | 2011-09-20 | Javelin Semiconductor, Inc. | CMOS power amplifiers having integrated one-time programmable (OTP) memories |
| DE112021002683B4 (de) * | 2020-08-28 | 2025-02-06 | Mitsubishi Electric Corporation | Komparator, Oszillator und Stromrichter |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE412670B (sv) * | 1978-02-07 | 1980-03-10 | Hoglund Lennart Harry Erik | Elektrisk forsterkare |
| JPS6119551Y2 (ko) * | 1978-05-16 | 1986-06-12 | ||
| US4253033A (en) * | 1979-04-27 | 1981-02-24 | National Semiconductor Corporation | Wide bandwidth CMOS class A amplifier |
| JPS5737908A (en) * | 1980-08-14 | 1982-03-02 | Sony Corp | Output amplifying circuit |
| US4480230A (en) * | 1983-07-05 | 1984-10-30 | National Semiconductor Corporation | Large swing CMOS power amplifier |
| JPS60229408A (ja) * | 1984-04-27 | 1985-11-14 | Pioneer Electronic Corp | オ−デイオ信号増幅器 |
| US4658219A (en) * | 1985-12-27 | 1987-04-14 | At&T Bell Laboratories | Folded cascode field-effect transistor amplifier with increased gain |
| US4656437A (en) * | 1985-12-27 | 1987-04-07 | At&T Bell Laboratories | CMOS operational amplifier with improved common-mode rejection |
| IT1201839B (it) * | 1986-08-08 | 1989-02-02 | Sgs Microelettronica Spa | Amplificatore operazionale di potenza cmos ad uscita interamente differenziale |
-
1990
- 1990-11-27 KR KR1019900019296A patent/KR950007836B1/ko not_active Expired - Fee Related
-
1991
- 1991-09-26 JP JP3273469A patent/JP2685084B2/ja not_active Expired - Fee Related
- 1991-10-04 GB GB9121142A patent/GB2251525B/en not_active Expired - Fee Related
- 1991-10-04 US US07/771,657 patent/US5177450A/en not_active Expired - Lifetime
- 1991-10-10 DE DE4133902A patent/DE4133902C2/de not_active Expired - Fee Related
- 1991-10-10 FR FR9112484A patent/FR2669788A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB2251525A (en) | 1992-07-08 |
| DE4133902A1 (de) | 1992-06-04 |
| US5177450A (en) | 1993-01-05 |
| DE4133902C2 (de) | 2002-02-07 |
| JPH04351108A (ja) | 1992-12-04 |
| KR920011054A (ko) | 1992-06-27 |
| FR2669788A1 (fr) | 1992-05-29 |
| GB2251525B (en) | 1995-07-05 |
| JP2685084B2 (ja) | 1997-12-03 |
| FR2669788B1 (ko) | 1997-02-14 |
| GB9121142D0 (en) | 1991-11-13 |
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