IT1194044B - Amplificatore a guadagno controllato con degenerazione variabile di emettitore - Google Patents

Amplificatore a guadagno controllato con degenerazione variabile di emettitore

Info

Publication number
IT1194044B
IT1194044B IT20925/81A IT2092581A IT1194044B IT 1194044 B IT1194044 B IT 1194044B IT 20925/81 A IT20925/81 A IT 20925/81A IT 2092581 A IT2092581 A IT 2092581A IT 1194044 B IT1194044 B IT 1194044B
Authority
IT
Italy
Prior art keywords
emitter
gain amplifier
controlled gain
variable degeneration
degeneration
Prior art date
Application number
IT20925/81A
Other languages
English (en)
Other versions
IT8120925A0 (it
Inventor
Jack Rudolph Harford
Original Assignee
Rca Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rca Corp filed Critical Rca Corp
Publication of IT8120925A0 publication Critical patent/IT8120925A0/it
Application granted granted Critical
Publication of IT1194044B publication Critical patent/IT1194044B/it

Links

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
IT20925/81A 1980-04-23 1981-04-03 Amplificatore a guadagno controllato con degenerazione variabile di emettitore IT1194044B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/143,035 US4345214A (en) 1980-04-23 1980-04-23 Variable emitter degeneration gain-controlled amplifier

Publications (2)

Publication Number Publication Date
IT8120925A0 IT8120925A0 (it) 1981-04-03
IT1194044B true IT1194044B (it) 1988-08-31

Family

ID=22502323

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20925/81A IT1194044B (it) 1980-04-23 1981-04-03 Amplificatore a guadagno controllato con degenerazione variabile di emettitore

Country Status (23)

Country Link
US (1) US4345214A (it)
JP (1) JPS56168415A (it)
KR (1) KR850000733B1 (it)
AR (1) AR231889A1 (it)
AT (1) AT383236B (it)
AU (1) AU542842B2 (it)
BE (1) BE888511A (it)
CA (1) CA1170731A (it)
DD (1) DD158458A5 (it)
DE (1) DE3116228A1 (it)
DK (1) DK157966C (it)
ES (1) ES501552A0 (it)
FI (1) FI74367C (it)
FR (1) FR2481541B1 (it)
GB (1) GB2074410B (it)
IT (1) IT1194044B (it)
NL (1) NL190681C (it)
NZ (1) NZ196874A (it)
PL (1) PL135040B1 (it)
PT (1) PT72855B (it)
SE (1) SE448801B (it)
SU (1) SU1268118A3 (it)
ZA (1) ZA812598B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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
KR19990028799A (ko) * 1996-05-09 1999-04-15 엠. 제이. 엠. 반캄 상호 컨덕턴스가 제어 가능한 축퇴 차동 쌍
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)

* Cited by examiner, † Cited by third party
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 (it) * 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 (it) * 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

Also Published As

Publication number Publication date
AR231889A1 (es) 1985-03-29
ES8206117A1 (es) 1982-06-16
DE3116228A1 (de) 1982-03-25
AT383236B (de) 1987-06-10
JPH0121643B2 (it) 1989-04-21
SE8102482L (sv) 1981-10-24
PT72855B (en) 1982-04-02
CA1170731A (en) 1984-07-10
AU6963481A (en) 1981-10-29
KR850000733B1 (ko) 1985-05-23
FR2481541B1 (fr) 1987-03-20
FI74367B (fi) 1987-09-30
ES501552A0 (es) 1982-06-16
NL190681C (nl) 1994-06-16
AU542842B2 (en) 1985-03-21
IT8120925A0 (it) 1981-04-03
DK157966B (da) 1990-03-05
JPS56168415A (en) 1981-12-24
SU1268118A3 (ru) 1986-10-30
GB2074410A (en) 1981-10-28
FI74367C (fi) 1988-01-11
PT72855A (en) 1981-05-01
ZA812598B (en) 1982-04-28
DD158458A5 (de) 1983-01-12
NL190681B (nl) 1994-01-17
DE3116228C2 (it) 1987-05-14
FI811188L (fi) 1981-10-24
KR830005762A (ko) 1983-09-09
BE888511A (fr) 1981-08-17
DK179581A (da) 1981-10-24
US4345214A (en) 1982-08-17
NZ196874A (en) 1985-02-28
NL8101991A (nl) 1981-11-16
SE448801B (sv) 1987-03-16
ATA182481A (de) 1986-10-15
FR2481541A1 (fr) 1981-10-30
DK157966C (da) 1990-08-13
GB2074410B (en) 1984-07-25
PL135040B1 (en) 1985-09-30
PL230736A1 (it) 1981-12-23

Similar Documents

Publication Publication Date Title
FR2518849B1 (fr) Amplificateur a gain commande
JPS5344155A (en) Gain control amplifier
AR224937A1 (es) Amplificador de ganancia controlada
JPS56132008A (en) Variable gain amplifier
NO149158C (no) Forsterkningsreguleringskobling
DE3069024D1 (en) Gain controlled amplifier
IT1111944B (it) Complesso amplificatore con fattore di guadagno variabile
IT1194044B (it) Amplificatore a guadagno controllato con degenerazione variabile di emettitore
JPS5648705A (en) Variable gain differential amplifier
IT1134789B (it) Amplificatore differenziale a guadagno variabile
DE3174701D1 (en) Operational amplifier with programmable gain
IT1111123B (it) Amplificatore con costante di trasmissione variabile
HK27385A (en) Gain controlled amplifier arrangement
GB2020932B (en) Gain controlled transistor amplifier
JPS56110314A (en) Variable gain amplifier
IT1113479B (it) Circuito amplificatore a guadagno controllato
MX5499E (es) Mejoras a circuito amplificador de ganancia controlado con degeneracion de emisor variable
JPS54151356A (en) Automatic gain control amplifier
GB2068187B (en) Symmetrically gain controlled differential amplifier
JPS5480656A (en) Variable gain amplifier
JPS5446454A (en) Variable gain amplifier
IT7865202V0 (it) Serre componibili susi

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970423