KR900019344A - 증폭회로 - Google Patents
증폭회로 Download PDFInfo
- Publication number
- KR900019344A KR900019344A KR1019900007695A KR900007695A KR900019344A KR 900019344 A KR900019344 A KR 900019344A KR 1019900007695 A KR1019900007695 A KR 1019900007695A KR 900007695 A KR900007695 A KR 900007695A KR 900019344 A KR900019344 A KR 900019344A
- Authority
- KR
- South Korea
- Prior art keywords
- amplifier circuit
- differential amplifier
- transistor
- input terminal
- emitter
- Prior art date
Links
- 230000003321 amplification Effects 0.000 title 1
- 238000003199 nucleic acid amplification method Methods 0.000 title 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도 및 제2도는 본 발명의 각 실시예의 회로도.
Claims (1)
- 입력단에 차동증폭회로(30)를 사용하는 증폭회로에 있어서, 상기 차동증폭회로(30)를 포함하는 증폭회로 본체의 동작정지를 검출하는 제1트랜지스터(11, 44)와; 이 제1트랜지스터(11, 44)에 의해 구동되며, 콜렉터가 상기 차동증폭회로(30)의 입력단에, 에미터가 접지에 각각 접속된 NPN형의 제2트랜지스터(12); 베이스가 상기 차동증폭회로(30)의 입력단에, 에미터가 상기 차동증폭회로(30)의 반전입력단측에 각각 접속된 PNP형의 제3트랜지스터(13); 이 제3트랜지스터(13)의 콜렉터에 그 베이스가, 그 콜렉터가 상기 차동증폭회로의 반전입력단축에, 그 에미터가 접지에 각각 접속된 NPN형의 제4트랜지스터(14)를 구비하여 구성된 것을 특징으로 하는 증폭회로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1138921A JP2609723B2 (ja) | 1989-05-31 | 1989-05-31 | 増幅回路 |
| JP1-138921 | 1989-05-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR900019344A true KR900019344A (ko) | 1990-12-24 |
| KR960009445B1 KR960009445B1 (ko) | 1996-07-19 |
Family
ID=15233249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019900007695A KR960009445B1 (ko) | 1989-05-31 | 1990-05-28 | 증폭회로 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5059919A (ko) |
| EP (1) | EP0400643B1 (ko) |
| JP (1) | JP2609723B2 (ko) |
| KR (1) | KR960009445B1 (ko) |
| DE (1) | DE69005903T2 (ko) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2503112B2 (ja) * | 1991-02-20 | 1996-06-05 | 新日本製鐵株式会社 | 良電磁厚板の製造方法 |
| JP2503110B2 (ja) * | 1991-02-20 | 1996-06-05 | 新日本製鐵株式会社 | 磁気特性の優れた無方向性電磁厚板の製造方法 |
| JP2503111B2 (ja) * | 1991-02-20 | 1996-06-05 | 新日本製鐵株式会社 | 磁気特性の優れた無方向性電磁厚板の製造法 |
| JPH04265580A (ja) * | 1991-02-20 | 1992-09-21 | Fujitsu Ltd | 磁気ディスク装置 |
| JP2503125B2 (ja) * | 1991-05-09 | 1996-06-05 | 新日本製鐵株式会社 | 良電磁厚板の製造方法 |
| JP2503123B2 (ja) * | 1991-05-09 | 1996-06-05 | 新日本製鐵株式会社 | 磁気特性の優れた無方向性電磁厚板の製造法 |
| JP2503122B2 (ja) * | 1991-05-09 | 1996-06-05 | 新日本製鐵株式会社 | 磁気特性の優れた無方向性電磁厚板の製造方法 |
| JP2503124B2 (ja) * | 1991-05-09 | 1996-06-05 | 新日本製鐵株式会社 | 良電磁厚板の製造法 |
| JP3112522B2 (ja) * | 1991-09-11 | 2000-11-27 | ローム株式会社 | オーディオ信号増幅回路 |
| WO1993008312A1 (fr) * | 1991-10-14 | 1993-04-29 | Nkk Corporation | Materiau a base d'acier magnetique doux ayant d'excellentes caracteristiques de magnetisabilite au courant continu et de resistances a la corrosion et production de ce materiau |
| EP0576770B1 (en) * | 1992-05-22 | 1999-12-22 | STMicroelectronics S.r.l. | Audio Amplifier turn-off control circuit |
| FR2762504B1 (fr) | 1997-04-29 | 1999-09-10 | Cird Galderma | Procede d'epilation |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5471966A (en) * | 1977-11-18 | 1979-06-08 | Toshiba Corp | Low frequency amplifier circuit |
| JPS54139363A (en) * | 1978-04-20 | 1979-10-29 | Hitachi Ltd | Noise mute circuit |
| JPH0112411Y2 (ko) * | 1980-09-22 | 1989-04-11 | ||
| JP2547781B2 (ja) * | 1987-07-13 | 1996-10-23 | 株式会社東芝 | Ｂｔｌ電力増幅回路 |
-
1989
- 1989-05-31 JP JP1138921A patent/JP2609723B2/ja not_active Expired - Fee Related
-
1990
- 1990-05-28 KR KR1019900007695A patent/KR960009445B1/ko not_active IP Right Cessation
- 1990-05-30 US US07/530,619 patent/US5059919A/en not_active Expired - Lifetime
- 1990-05-31 DE DE69005903T patent/DE69005903T2/de not_active Expired - Fee Related
- 1990-05-31 EP EP90110362A patent/EP0400643B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0400643A2 (en) | 1990-12-05 |
| DE69005903D1 (de) | 1994-02-24 |
| JPH034606A (ja) | 1991-01-10 |
| DE69005903T2 (de) | 1994-06-16 |
| EP0400643A3 (en) | 1991-05-22 |
| US5059919A (en) | 1991-10-22 |
| KR960009445B1 (ko) | 1996-07-19 |
| JP2609723B2 (ja) | 1997-05-14 |
| EP0400643B1 (en) | 1994-01-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| AMND | Amendment | ||
| E601 | Decision to refuse application | ||
| J2X1 | Appeal (before the patent court) |
Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL |
|
| G160 | Decision to publish patent application | ||
| B701 | Decision to grant | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20030701 Year of fee payment: 8 |
|
| LAPS | Lapse due to unpaid annual fee |