FR2424666A1 - Circuit d'amplification muni de deux transistors - Google Patents
Circuit d'amplification muni de deux transistorsInfo
- Publication number
- FR2424666A1 FR2424666A1 FR7910888A FR7910888A FR2424666A1 FR 2424666 A1 FR2424666 A1 FR 2424666A1 FR 7910888 A FR7910888 A FR 7910888A FR 7910888 A FR7910888 A FR 7910888A FR 2424666 A1 FR2424666 A1 FR 2424666A1
- Authority
- FR
- France
- Prior art keywords
- transistors
- resistors
- amplification circuit
- value
- ohmic
- 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.)
- Granted
Links
Classifications
-
- 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
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3211—Modifications of amplifiers to reduce non-linear distortion in differential 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
- H03F3/45479—Differential amplifiers with semiconductor devices only characterised by the way of common mode signal rejection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Abstract
CIRCUIT D'AMPLIFICATION SYMETRIQUE FORME PAR DEUX TRANSISTORS DONT LES EMETTEURS SONT A LA MASSE A TRAVERS DEUX RESISTANCES AYANT LA MEME VALEUR OHMIQUE. LE SIGNAL D'ENTREE EST FOURNI ENTRE LES BASES DES TRANSISTORS, LE SIGNAL DE SORTIE ETANT PRELEVE SUR LEURS COLLECTEURS. ON A CONSTATE QU'UN TEL CIRCUIT D'AMPLIFICATION OFFRE UNE MEILLEURE LINEARITE JUSQU'A UNE TENSION D'ENTREE DE 200 MV LORSQUE LA VALEUR OHMIQUE R DES RESISTANCES D'EMETTEUR RESPECTE LA RELATION R 0,56 UI DANS LAQUELLE U EST LA TENSION DE TEMPERATURE TANDIS QUE I INDIQUE LE COURANT DE REPOS DE COLLECTEUR (EN L'ABSENCE DE SIGNAL D'ENTREE ENTRE LES BASES DES TRANSISTORS). CETTE VALEUR OHMIQUE R EST TRES FAIBLE (ET N'ATTEINT QUE 14 OHMS EN PRESENCE D'UN COURANT DE REPOS DE COLLECTEUR A INTENSITE DE 1MA), DE SORTE QUE LA PENTE DE FLANC N'EST DIMINUEE QUE DANS UNE FAIBLE MESURE PAR LES RESISTANCES D'EMETTEUR, CE QUI A COMME CONSEQUENCE QUE LA SENSIBILITE DU CIRCUIT DIMINUE A PEINE. APPLICATION AUX AMPLIFICATEURS DE SIGNAUX A AUDIOFREQUENCES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2819087A DE2819087C2 (de) | 1978-04-29 | 1978-04-29 | Verstärkerschaltung mit zwei Transistoren |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2424666A1 true FR2424666A1 (fr) | 1979-11-23 |
FR2424666B1 FR2424666B1 (fr) | 1984-06-01 |
Family
ID=6038430
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7910888A Granted FR2424666A1 (fr) | 1978-04-29 | 1979-04-27 | Circuit d'amplification muni de deux transistors |
Country Status (6)
Country | Link |
---|---|
US (1) | US4287478A (fr) |
JP (2) | JPS54144162A (fr) |
CA (1) | CA1135803A (fr) |
DE (1) | DE2819087C2 (fr) |
FR (1) | FR2424666A1 (fr) |
GB (1) | GB2020130B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0544128A1 (fr) * | 1991-11-25 | 1993-06-02 | Siemens Aktiengesellschaft | Montage pour un circuit d'attaque |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6160455A (en) * | 1998-03-10 | 2000-12-12 | Indigo Manufacturing Inc. | Derived power supply for composite bridge amplifiers |
IL144811A (en) | 2000-08-11 | 2005-12-18 | Ibm | Amplifier with suppression of harmonics |
FR2823921B1 (fr) * | 2001-04-20 | 2003-10-31 | St Microelectronics Sa | Etage de transconductance et dispositif de communication par voie hertzienne equipe d'un tel etage |
US8976981B2 (en) * | 2010-10-07 | 2015-03-10 | Blackberry Limited | Circuit, system and method for isolating a transducer from an amplifier in an electronic device |
US9041466B2 (en) * | 2012-08-03 | 2015-05-26 | Rf Micro Devices, Inc. | Multimode differential amplifier biasing system |
JP6314545B2 (ja) * | 2013-04-18 | 2018-04-25 | Tdk株式会社 | 高周波増幅回路、半導体装置および磁気記録再生装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3413492A (en) * | 1965-10-11 | 1968-11-26 | Philco Ford Corp | Strobe amplifier of high speed turn-on and turn-off type having infinite noise rejection in absence of strobe pulse |
FR2371817A1 (fr) * | 1976-11-19 | 1978-06-16 | Thomson Csf | Dispositif correcteur de distorsion des etages d'amplification transistorises a large bande et amplificateur comportant de tels dispositifs |
FR2419611A1 (fr) * | 1978-03-09 | 1979-10-05 | Philips Nv | Amplificateur transistorise |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB800506A (en) * | 1956-02-28 | 1958-08-27 | Ilford Ltd | Improvements in or relating to transistor amplifiers |
US3506926A (en) * | 1965-10-18 | 1970-04-14 | Beckman Instruments Inc | Direct coupled differential transistor amplifier with improved offset voltage temperature coefficient and method of compensation |
US3466630A (en) * | 1966-08-08 | 1969-09-09 | Ampex | Sense amplifier including a differential amplifier with input coupled to drive-sense windings |
US3757239A (en) * | 1971-12-02 | 1973-09-04 | Avco Corp | Direct current amplifier drift reduction method |
CH554616A (de) * | 1973-01-24 | 1974-09-30 | Patelhold Patentverwertung | Schaltungsanordnung zur u be-kompensation bei gegentakt ab-verstaerkern. |
JPS5913052B2 (ja) * | 1975-07-25 | 1984-03-27 | 日本電気株式会社 | 基準電圧源回路 |
-
1978
- 1978-04-29 DE DE2819087A patent/DE2819087C2/de not_active Expired
-
1979
- 1979-04-09 US US06/028,481 patent/US4287478A/en not_active Expired - Lifetime
- 1979-04-26 GB GB7914495A patent/GB2020130B/en not_active Expired
- 1979-04-26 CA CA000326471A patent/CA1135803A/fr not_active Expired
- 1979-04-27 FR FR7910888A patent/FR2424666A1/fr active Granted
- 1979-04-27 JP JP5245279A patent/JPS54144162A/ja active Pending
-
1983
- 1983-02-07 JP JP1983015557U patent/JPS6012331Y2/ja not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3413492A (en) * | 1965-10-11 | 1968-11-26 | Philco Ford Corp | Strobe amplifier of high speed turn-on and turn-off type having infinite noise rejection in absence of strobe pulse |
FR2371817A1 (fr) * | 1976-11-19 | 1978-06-16 | Thomson Csf | Dispositif correcteur de distorsion des etages d'amplification transistorises a large bande et amplificateur comportant de tels dispositifs |
FR2419611A1 (fr) * | 1978-03-09 | 1979-10-05 | Philips Nv | Amplificateur transistorise |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0544128A1 (fr) * | 1991-11-25 | 1993-06-02 | Siemens Aktiengesellschaft | Montage pour un circuit d'attaque |
US5391933A (en) * | 1991-11-25 | 1995-02-21 | Siemens Aktiengesellschaft | Driver circuit for generating pulses |
Also Published As
Publication number | Publication date |
---|---|
GB2020130A (en) | 1979-11-07 |
DE2819087C2 (de) | 1985-10-31 |
DE2819087A1 (de) | 1979-11-08 |
JPS54144162A (en) | 1979-11-10 |
GB2020130B (en) | 1982-06-03 |
CA1135803A (fr) | 1982-11-16 |
FR2424666B1 (fr) | 1984-06-01 |
JPS58166115U (ja) | 1983-11-05 |
JPS6012331Y2 (ja) | 1985-04-22 |
US4287478A (en) | 1981-09-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2424666A1 (fr) | Circuit d'amplification muni de deux transistors | |
US3772593A (en) | Resistance measurement system | |
KR830005761A (ko) | 가변부하 임피던스 이득제어증폭기 | |
KR840000139A (ko) | 텔레비젼 수신기의 자동이득제어 시스템용 잡음 감도 감소회로 | |
GB1013452A (en) | Transistor amplifier of variable gain | |
JPS5735478A (en) | Signal processing circuit for video camera | |
EP0680144A1 (fr) | Dispositif récepteur | |
US4038566A (en) | Multiplier circuit | |
KR830007024A (ko) | 텔레비젼 자동 이득 제어 시스템 | |
JPS5552605A (en) | Detector circuit | |
KR870008479A (ko) | 비디오 신호 처리 시스템 | |
ES8206117A1 (es) | Perfeccionamientos en amplificadores de ganancia controlada | |
US3940699A (en) | Radio frequency energy signalling apparatus | |
JPS55123233A (en) | Switch unit | |
SU696592A1 (ru) | Усилитель с регулируемым коэффициентом усилени | |
SU471655A1 (ru) | Усилитель с автоматической регулировкой усилени | |
SU926759A1 (ru) | Устройство автоматической регулировки усилени | |
JPS5780813A (en) | Amplifier | |
JPS57135511A (en) | Automatic level adjusting device | |
JPS55115708A (en) | Push pull amplifier | |
BE623782A (fr) | Amplificateur de correction de dérive | |
EP0793339A3 (fr) | Circuit de contrÔle électronique du volume présentant une caractéristique de sortie contrÔlée | |
JPS5639605A (en) | Biasing circuit of amplifier | |
SU457156A1 (ru) | Бестрансформаторный усилитель | |
SU477518A1 (ru) | Транзисторный усилитель |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |