KR920009059A - 광대역 증폭회로 - Google Patents
광대역 증폭회로 Download PDFInfo
- Publication number
- KR920009059A KR920009059A KR1019910018005A KR910018005A KR920009059A KR 920009059 A KR920009059 A KR 920009059A KR 1019910018005 A KR1019910018005 A KR 1019910018005A KR 910018005 A KR910018005 A KR 910018005A KR 920009059 A KR920009059 A KR 920009059A
- Authority
- KR
- South Korea
- Prior art keywords
- transistor
- transistors
- collector
- voltage
- supplied
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
- H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
-
- 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
- H03F3/4508—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit
- H03F3/45098—PI types
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45352—Indexing scheme relating to differential amplifiers the AAC comprising a combination of a plurality of transistors, e.g. Darlington coupled transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/45—Indexing scheme relating to differential amplifiers
- H03F2203/45558—Indexing scheme relating to differential amplifiers the IC being coupled at the sources of the source coupled pair
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 이 발명의 일실시예를 도시하는 광대역 증폭 회로의 회로도.
Claims (1)
- 제1 및 제2의 트랜지스터를 차동 접속해서 이루는 제1의 차동접속회로와, 상기 제1의 트랜지스터의 콜렉터에 접속되어 있는 부하 저항기와 전원간에 설치된 레벨 시프트 회로는 구비하고, 상기 제1 및 제3의 트랜지스터의 베이스에 게인 결정용의 전압을 공급함과 더불어 상기 제1 및 제3의 트랜지스터의 베이스에 소정의 동작 전압을 공급하고, 또한 상기 레벨 시프트 회로의 전압을 상기 제4의 트랜지스터의 콜렉터에 공급하고, 상기 제4의 트랜지스터에 흐르는 전류의 크기에 따라서 상기 제1의 트랜지스터의 콜렉터에 접속되어 있는 부하 저항기에 인가되는 전압의 크기가 변화하도록 한 것을 특징으로 하는 광대역 증폭회로.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP90-277056 | 1990-10-15 | ||
| JP27705690A JP3158423B2 (ja) | 1990-10-15 | 1990-10-15 | 広帯域増幅回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR920009059A true KR920009059A (ko) | 1992-05-28 |
| KR100209473B1 KR100209473B1 (ko) | 1999-07-15 |
Family
ID=17578173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019910018005A KR100209473B1 (ko) | 1990-10-15 | 1991-10-14 | 광대역 증폭 회로 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5256983A (ko) |
| JP (1) | JP3158423B2 (ko) |
| KR (1) | KR100209473B1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5432477A (en) * | 1992-07-31 | 1995-07-11 | Sony Corporation | Wide frequency range amplifier apparatus |
| FR2798235B1 (fr) * | 1999-09-03 | 2002-05-17 | St Microelectronics Sa | Dispositif amplificateur de puissance a gain controle, en particulier pour des circuits radiofrequence appliques a la telephonie mobile cellulaire |
| US7053657B1 (en) | 2003-06-26 | 2006-05-30 | Cypress Semiconductor Corporation | Dynamically biased wide swing level shifting circuit for high speed voltage protection input/outputs |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3512096A (en) * | 1967-05-31 | 1970-05-12 | Hitachi Ltd | Transistor circuit having stabilized output d.c. level |
| GB1320910A (en) * | 1969-09-16 | 1973-06-20 | Plessey Co Ltd | Amplifiers |
| DE2723750A1 (de) * | 1977-05-26 | 1978-12-07 | Philips Patentverwaltung | Einstellbarer transistor-verstaerker |
-
1990
- 1990-10-15 JP JP27705690A patent/JP3158423B2/ja not_active Expired - Lifetime
-
1991
- 1991-10-14 KR KR1019910018005A patent/KR100209473B1/ko not_active IP Right Cessation
- 1991-10-15 US US07/775,838 patent/US5256983A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04150604A (ja) | 1992-05-25 |
| KR100209473B1 (ko) | 1999-07-15 |
| US5256983A (en) | 1993-10-26 |
| JP3158423B2 (ja) | 2001-04-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E701 | Decision to grant or registration of patent right | ||
| GRNT | Written decision to grant | ||
| FPAY | Annual fee payment |
Payment date: 20110412 Year of fee payment: 13 |
|
| EXPY | Expiration of term |