KR830005762A - 가변 에미터 감쇄 이득제어 증폭기 - Google Patents
가변 에미터 감쇄 이득제어 증폭기 Download PDFInfo
- Publication number
- KR830005762A KR830005762A KR1019810001384A KR810001384A KR830005762A KR 830005762 A KR830005762 A KR 830005762A KR 1019810001384 A KR1019810001384 A KR 1019810001384A KR 810001384 A KR810001384 A KR 810001384A KR 830005762 A KR830005762 A KR 830005762A
- Authority
- KR
- South Korea
- Prior art keywords
- gain control
- electrode
- control current
- transistor
- emitter
- Prior art date
Links
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/02—Manually-operated control
- H03G3/04—Manually-operated control in untuned amplifiers
- H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices
-
- 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
-
- 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
- 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
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0082—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using bipolar transistor-type devices
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 원리들에 따라 구성된 차동 이득제어 증폭기를 부분적으로 구성도 및 개요도 형태로 도시한 회로도.
제2도는 입력완충을 사용한 본 발명의 제2실시예를 부분적으로 구성도 및 개요도 형태로 도시한 회로도.
Claims (1)
- 본문에서 설명되고 도면에서 예시된 바와 같이, 이득제어증폭기에 있어서, 입력신호들을 수신하도록 접속된 베이스전극, 출력신호들이 유출되는 콜렉터전극 및 에미터전극을 갖는 증폭트랜지스터와, 상기 트랜지스터를 바이어스하기 위하여 상기 베이스, 에미터 및 콜렉터전극들에 접속된 장치와, 이득제어전류원과 상기 트랜지스터의 이득을 제어하며, 상기 트랜지스터의 상기 에미터 전극에 접속된 제1전극과 상기 이득 제어전류를 수신하기 위하여 상기 이득제어 전류원에 접속된 제2전극 및 기준전위점에 접속된 제3전극을 가지며, 상기 이득제어 전류의 진폭의 함수로서 변화하는 임피던스를 상기 트랜지스터의 상기 에미터전극에 제공하며, 상기 이득제어 전류가 상기 제2전극을 흐르는 이득제어전류와 실제로 같은 전류를 상기 제3전극을 통하여 흐르게 하며 상기 제1전극을 통하여 흐르는 전류가 상기 제2전극을 통하여 흐르는 상기 이득제어 전류보다 실제로 작은 이러한 장치를 포함하는 가변에미터 감쇄 이득제어 증폭기.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US143,035 | 1980-04-23 | ||
US143035 | 1980-04-23 | ||
US06/143,035 US4345214A (en) | 1980-04-23 | 1980-04-23 | Variable emitter degeneration gain-controlled amplifier |
Publications (2)
Publication Number | Publication Date |
---|---|
KR830005762A true KR830005762A (ko) | 1983-09-09 |
KR850000733B1 KR850000733B1 (ko) | 1985-05-23 |
Family
ID=22502323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019810001384A KR850000733B1 (ko) | 1980-04-23 | 1981-04-22 | 가변 에미터 감쇄 이득제어 증폭기 |
Country Status (23)
Country | Link |
---|---|
US (1) | US4345214A (ko) |
JP (1) | JPS56168415A (ko) |
KR (1) | KR850000733B1 (ko) |
AR (1) | AR231889A1 (ko) |
AT (1) | AT383236B (ko) |
AU (1) | AU542842B2 (ko) |
BE (1) | BE888511A (ko) |
CA (1) | CA1170731A (ko) |
DD (1) | DD158458A5 (ko) |
DE (1) | DE3116228A1 (ko) |
DK (1) | DK157966C (ko) |
ES (1) | ES501552A0 (ko) |
FI (1) | FI74367C (ko) |
FR (1) | FR2481541B1 (ko) |
GB (1) | GB2074410B (ko) |
IT (1) | IT1194044B (ko) |
NL (1) | NL190681C (ko) |
NZ (1) | NZ196874A (ko) |
PL (1) | PL135040B1 (ko) |
PT (1) | PT72855B (ko) |
SE (1) | SE448801B (ko) |
SU (1) | SU1268118A3 (ko) |
ZA (1) | ZA812598B (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5952874A (ja) * | 1982-09-20 | 1984-03-27 | Toshiba Corp | 利得制御回路装置 |
EP0836766B1 (en) * | 1996-05-09 | 2001-11-14 | Koninklijke Philips Electronics N.V. | Degenerated differential pair with controllable transconductance |
JP4054716B2 (ja) * | 2003-05-16 | 2008-03-05 | 沖電気工業株式会社 | 可変ゲインアンプ及びam変調信号受信回路及び検波回路 |
US8611836B2 (en) * | 2010-08-25 | 2013-12-17 | Skyworks Solutions, Inc. | Amplifier gain adjustment in response to reduced supply voltage |
RU2719419C1 (ru) * | 2019-12-16 | 2020-04-17 | Открытое акционерное общество "Межгосударственная Корпорация Развития" (ОАО"Межгосударственная Корпорация Развития") | Способ автоматической регулировки усиления и устройство его реализующее |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3002090A (en) | 1958-08-27 | 1961-09-26 | Hazeltine Research Inc | Automatic-gain-control system |
DE1247405B (de) | 1960-06-09 | 1967-08-17 | Telefunken Patent | In einem weiten Bereich regelbarer einstufiger Transistorverstaerker |
DE1285547B (de) * | 1965-04-17 | 1968-12-19 | Te Ka De Fernmeldeapp Gmbh | Verfahren zur automatischen Verstaerkungsregelung einer gegengekoppelten Transistor-Verstaerkerstufe in Emitterschaltung |
DE1943788A1 (de) | 1969-08-28 | 1971-03-04 | Siemens Ag | Schaltungsanordnung fuer eine integrierte Verstaerkerstufe mit gesteuerter Gegenkopplung |
US3641450A (en) * | 1970-12-15 | 1972-02-08 | Motorola Inc | Gain controlled differential amplifier circuit |
US3700937A (en) * | 1971-07-01 | 1972-10-24 | Branson Instr | Submersible ultrasonic transducer assembly |
FR2204333A5 (ko) * | 1972-10-20 | 1974-05-17 | Thomson Csf | |
DE2262089C3 (de) | 1972-12-19 | 1975-10-30 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zur elektronischen Frequenzbeeinflussung, insbesondere elektronischer Klangeinsteller |
JPS5625815B2 (ko) * | 1974-02-14 | 1981-06-15 | ||
NL161318C (nl) * | 1974-06-17 | 1980-01-15 | Philips Nv | Symmetrische inrichting voor het vormen van een regel- bare wisselstroomweerstand. |
US4131809A (en) * | 1974-06-17 | 1978-12-26 | U.S. Philips Corporation | Symmetrical arrangement for forming a variable alternating-current resistance |
DE2804142C3 (de) * | 1978-01-31 | 1982-02-11 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur Kompensation von Verlustströmen, die in einem zur Verstärkungsregelung von integrierten, breitbandigen Differenzverstärkern verwendeten dynamischen Widerstand durch parasitäre Transistoren bedingt sind |
US4267518A (en) * | 1979-09-13 | 1981-05-12 | Sperry Corporation | Gain controllable amplifier stage |
US4344043A (en) * | 1980-04-23 | 1982-08-10 | Rca Corporation | Variable load impedance gain-controlled amplifier |
-
1980
- 1980-04-23 US US06/143,035 patent/US4345214A/en not_active Expired - Lifetime
-
1981
- 1981-04-03 IT IT20925/81A patent/IT1194044B/it active
- 1981-04-14 CA CA000375486A patent/CA1170731A/en not_active Expired
- 1981-04-14 PT PT72855A patent/PT72855B/pt not_active IP Right Cessation
- 1981-04-16 AU AU69634/81A patent/AU542842B2/en not_active Ceased
- 1981-04-16 FI FI811188A patent/FI74367C/fi not_active IP Right Cessation
- 1981-04-16 SE SE8102482A patent/SE448801B/sv not_active IP Right Cessation
- 1981-04-16 GB GB8112131A patent/GB2074410B/en not_active Expired
- 1981-04-17 JP JP5907981A patent/JPS56168415A/ja active Granted
- 1981-04-17 PL PL1981230736A patent/PL135040B1/pl unknown
- 1981-04-21 BE BE0/204565A patent/BE888511A/fr not_active IP Right Cessation
- 1981-04-21 ZA ZA00812598A patent/ZA812598B/xx unknown
- 1981-04-22 ES ES501552A patent/ES501552A0/es active Granted
- 1981-04-22 FR FR8108019A patent/FR2481541B1/fr not_active Expired
- 1981-04-22 AT AT0182481A patent/AT383236B/de not_active IP Right Cessation
- 1981-04-22 NZ NZ196874A patent/NZ196874A/en unknown
- 1981-04-22 NL NL8101991A patent/NL190681C/xx not_active IP Right Cessation
- 1981-04-22 KR KR1019810001384A patent/KR850000733B1/ko active
- 1981-04-22 AR AR285048A patent/AR231889A1/es active
- 1981-04-22 SU SU813272953A patent/SU1268118A3/ru active
- 1981-04-22 DK DK179581A patent/DK157966C/da not_active IP Right Cessation
- 1981-04-23 DE DE3116228A patent/DE3116228A1/de active Granted
- 1981-04-23 DD DD81229456A patent/DD158458A5/de not_active IP Right Cessation
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