KR960014114B1 - 전류미러회로를 갖춘 증폭회로 - Google Patents
전류미러회로를 갖춘 증폭회로 Download PDFInfo
- Publication number
- KR960014114B1 KR960014114B1 KR1019880008901A KR880008901A KR960014114B1 KR 960014114 B1 KR960014114 B1 KR 960014114B1 KR 1019880008901 A KR1019880008901 A KR 1019880008901A KR 880008901 A KR880008901 A KR 880008901A KR 960014114 B1 KR960014114 B1 KR 960014114B1
- Authority
- KR
- South Korea
- Prior art keywords
- transistor
- current
- electrode
- transistors
- base
- 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
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Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
- G05F3/02—Regulating voltage or current
- G05F3/08—Regulating voltage or current wherein the variable is DC
- G05F3/10—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics
- G05F3/16—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices
- G05F3/20—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
- G05F3/26—Current mirrors
- G05F3/265—Current mirrors using bipolar transistors only
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Control Of Electrical Variables (AREA)
Abstract
Description
Claims (6)
- 제1 및 제2전원단자(Vcc, GND)와, 에미터전극과 베이스전극 및 콜렉터전극을 갖추고 입력전류(Iref)가 인가되는 제1트랜지스터(Q10), 에미터전극과 베이스전극 및 콜레터전극을 갖추고 출력전류를 출력하는 제2트랜지스터(Q11), 상기 제1 및 제2트랜지스터(Q10, Q11)의 에미터전극을 제1전원단자에 접속하는수단 및, 상기 상기 제1트랜지스터(Q10)의 콜렉터 전극에 상기 입력전류를 공급하는 수단을 갖춘 전류미러회로에 있어서, 상기 제1트랜지스터(Q10)의 베이스전극을 그 콜렉터전극에 접속하고, 초기에 상기 제1 및 제2트랜지스터(Q10, Q11)를 도통시키기 위해 상기 제1 및 제2트랜지스터(Q10, Q11)의 베이스전극에 전류를 공급하는 저항(5)과, 상기 저항(5)에 의한 전압강하가 소정치를 넘은 경우에 상기 제1 및 제2트랜지스터(Q10, Q11)의 베이스전극에 소정의 전류를 공급하여 상기 제1 및 제2트랜지스터(Q10, Q11)의 베이스전극으로의 전류를 증가시키는 제3트랜지스터(Q12)를 더 구비하여 구성된 것을 특징으로 하는 전류미러회로.
- 제1항에 있어서, 상기 제1, 제2 및 제3트랜지스터가 각각 PNP형 트랜지스터로 구성된 것을 특징으로 하는 전류미러회로.
- 제1항에 있어서, 상기 제1, 제2 및 제3트랜지스터가 각각 NPN트랜지스터로 구성된 것을 특징으로 하는 전류미러회로.
- 제1항에 있어서, 상기 제2트랜지스터(Q11)가 상기 제1트랜지스터(Q10)에 에미터면적보다 큰 에미터면적을 갖는 것을 특징으로 하는 전류미러회로.
- 입력신호를 증폭해서 증폭된 출력신호를 출력하는 증폭회로에 있어서, 제1 및 제2전원단자(Vcc, GND)와, 상기 입력신호가 인가되는 입력단자, 상기 출력신호를 출력하는 출력단자(OUT), 상기 입력신호에 응답해서 입력전류를 발생시키는 차동증폭부(70) 및, 에미터전극과 베이스전극 및 콜렉터전극을 갖추고 입력전류가 인가되는 제1트랜지스터(Q21)와, 이제1트랜지스터(Q21)의 콜렉터전극을 상기 차동증폭부(70)에 접속하는 수단, 에미터전극과 베이스전극 및 콜렉터전극을 갖추고 출력전류를 출력하는 제2트랜지스터(Q22), 상기 제1 및 제2트랜지스터(Q21, Q22)의 에미터전극을 상기 제1전원단자(Vcc)에 접속하는 수단, 상기 제2트랜지스터(Q22)의 콜렉터 전극을 상기 출력단자(OUT)에 접속하는 수단, 상기 제1트랜지스터(Q21)의 베이스전극을 그 콜렉터전극에 접속하고, 초기에 상기 제1 및 제2트랜지스터를 도통시키기 위해 상기 제1 및 제2트랜지스터 베이스전극에 전류를 공급하는 저항(5) 및, 상기 저항(5)에 의한 전압 강하가 소정치를 넘은 경우에 상기 제1 및 제2트랜지스터(Q10, Q11)의 베이스전극에 소정의 전류를 공급하여 상기 제1 및 제2트랜지스터(Q10, Q11)의 베이스전극으로의 전류를 증가시키는 제3트랜지스터(Q23)를 포함하여 이루어진 전류미러회로(80)를 구비하여 구성된 것을 특징으로 하는 전류미러회로를 갖춘 증폭회로.
- 에미터가 제1전원에 접속되고, 콜렉터가 제2전원에 접속된 제1트랜지스터와, 베이스가 상기 제1트랜지스터의 베이스에 접속되고, 에미터가 제1전원에 접속되면, 콜렉터가 전류원을 매개해서 제2전원에 접속된 제2트랜지스터, 베이스가 상기 제2트랜지스터의 콜렉터에 접속되고, 에미터가 상기 제1 및 제2트랜지스터의 베이스에 접속되며, 콜렉터가 제2전원에 접속된 보정용 트랜지스터 및, 상기 보정용 트랜지스터의 베이스와 에미터 사이에 접속된 저항을 갖춘 것을 특징으로 하는 전류미러회로
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-177274 | 1987-07-17 | ||
| JP62177274A JP2542623B2 (ja) | 1987-07-17 | 1987-07-17 | カレントミラ−回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890003114A KR890003114A (ko) | 1989-04-13 |
| KR960014114B1 true KR960014114B1 (ko) | 1996-10-14 |
Family
ID=16028185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019880008901A Expired - Fee Related KR960014114B1 (ko) | 1987-07-17 | 1988-07-16 | 전류미러회로를 갖춘 증폭회로 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4897614A (ko) |
| EP (1) | EP0299723B1 (ko) |
| JP (1) | JP2542623B2 (ko) |
| KR (1) | KR960014114B1 (ko) |
| DE (1) | DE3884080T2 (ko) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05219443A (ja) * | 1992-02-05 | 1993-08-27 | Minolta Camera Co Ltd | 固体撮像装置 |
| US6069520A (en) * | 1997-07-09 | 2000-05-30 | Denso Corporation | Constant current circuit using a current mirror circuit and its application |
| JP3400354B2 (ja) * | 1997-07-14 | 2003-04-28 | 東芝マイクロエレクトロニクス株式会社 | 電流源回路 |
| US6515546B2 (en) | 2001-06-06 | 2003-02-04 | Anadigics, Inc. | Bias circuit for use with low-voltage power supply |
| US6753734B2 (en) | 2001-06-06 | 2004-06-22 | Anadigics, Inc. | Multi-mode amplifier bias circuit |
| US6842075B2 (en) * | 2001-06-06 | 2005-01-11 | Anadigics, Inc. | Gain block with stable internal bias from low-voltage power supply |
| US11302248B2 (en) | 2019-01-29 | 2022-04-12 | Osram Opto Semiconductors Gmbh | U-led, u-led device, display and method for the same |
| DE112020000561A5 (de) * | 2019-01-29 | 2021-12-02 | Osram Opto Semiconductors Gmbh | Videowand, treiberschaltung, ansteuerungen und verfahren derselben |
| WO2020229576A2 (de) | 2019-05-14 | 2020-11-19 | Osram Opto Semiconductors Gmbh | Beleuchtungseinheit, verfahren zur herstellung einer beleuchtungseinheit, konverterelement für ein opto-elektronisches bauelement, strahlungsquelle mit einer led und einem konverterelement, auskoppelstruktur, und optoelektronische vorrichtung |
| US11271143B2 (en) | 2019-01-29 | 2022-03-08 | Osram Opto Semiconductors Gmbh | μ-LED, μ-LED device, display and method for the same |
| KR20210120106A (ko) | 2019-02-11 | 2021-10-06 | 오스람 옵토 세미컨덕터스 게엠베하 | 광전자 부품, 광전자 조립체 및 방법 |
| US11538852B2 (en) | 2019-04-23 | 2022-12-27 | Osram Opto Semiconductors Gmbh | μ-LED, μ-LED device, display and method for the same |
| KR102914276B1 (ko) | 2019-04-23 | 2026-01-16 | 에이엠에스-오스람 인터내셔널 게엠베하 | Led 모듈, led 디스플레이 모듈 및 그 제조 방법 |
| JP7608368B2 (ja) | 2019-05-13 | 2025-01-06 | エイエムエス-オスラム インターナショナル ゲーエムベーハー | マルチチップ用キャリア構造体 |
| CN114144727A (zh) | 2019-05-23 | 2022-03-04 | 奥斯兰姆奥普托半导体股份有限两合公司 | 照明装置、导光装置和方法 |
| WO2021052635A2 (de) | 2019-09-20 | 2021-03-25 | Osram Opto Semiconductors Gmbh | Optoelektronisches bauelement, halbleiterstruktur und verfahren |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3995229A (en) * | 1975-05-27 | 1976-11-30 | The United States Of America As Represented By The Secretary Of The Air Force | High slew rate operational amplifier circuit |
| JPS5652421A (en) * | 1979-10-05 | 1981-05-11 | Mitsubishi Electric Corp | Voltage stabilizing circuit |
| US4329639A (en) * | 1980-02-25 | 1982-05-11 | Motorola, Inc. | Low voltage current mirror |
| JPS57206107A (en) * | 1981-06-15 | 1982-12-17 | Toshiba Corp | Current mirror circuit |
| JPS5945706A (ja) * | 1982-09-09 | 1984-03-14 | Nippon Shiguneteitsukusu Kk | 差動増幅回路 |
| JPS59107612A (ja) * | 1982-12-10 | 1984-06-21 | Hitachi Ltd | レシオメトリック定電流装置 |
| JPS6033717A (ja) * | 1983-08-04 | 1985-02-21 | Toshiba Corp | カレントミラ−回路 |
| JPS61112415U (ko) * | 1984-12-21 | 1986-07-16 | ||
| JPS6221309A (ja) * | 1985-07-22 | 1987-01-29 | Hitachi Micro Comput Eng Ltd | 定電流回路 |
-
1987
- 1987-07-17 JP JP62177274A patent/JP2542623B2/ja not_active Expired - Fee Related
-
1988
- 1988-07-12 EP EP88306363A patent/EP0299723B1/en not_active Expired - Lifetime
- 1988-07-12 DE DE88306363T patent/DE3884080T2/de not_active Expired - Lifetime
- 1988-07-14 US US07/218,799 patent/US4897614A/en not_active Expired - Lifetime
- 1988-07-16 KR KR1019880008901A patent/KR960014114B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0299723A3 (en) | 1989-05-31 |
| EP0299723A2 (en) | 1989-01-18 |
| EP0299723B1 (en) | 1993-09-15 |
| US4897614A (en) | 1990-01-30 |
| JPS6421616A (en) | 1989-01-25 |
| KR890003114A (ko) | 1989-04-13 |
| DE3884080T2 (de) | 1994-03-10 |
| DE3884080D1 (de) | 1993-10-21 |
| JP2542623B2 (ja) | 1996-10-09 |
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