DK179581A - Forstaerkningsstyret forstaerker med variabel emitterdegeneration - Google Patents

Forstaerkningsstyret forstaerker med variabel emitterdegeneration

Info

Publication number
DK179581A
DK179581A DK179581A DK179581A DK179581A DK 179581 A DK179581 A DK 179581A DK 179581 A DK179581 A DK 179581A DK 179581 A DK179581 A DK 179581A DK 179581 A DK179581 A DK 179581A
Authority
DK
Denmark
Prior art keywords
degregation
emit
variable
amplifier control
control amplified
Prior art date
Application number
DK179581A
Other languages
English (en)
Other versions
DK157966C (da
DK157966B (da
Inventor
J R 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 DK179581A publication Critical patent/DK179581A/da
Publication of DK157966B publication Critical patent/DK157966B/da
Application granted granted Critical
Publication of DK157966C publication Critical patent/DK157966C/da

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
DK179581A 1980-04-23 1981-04-22 Forstaerker med indstillelig forstaerkningsgrad DK157966C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14303580 1980-04-23
US06/143,035 US4345214A (en) 1980-04-23 1980-04-23 Variable emitter degeneration gain-controlled amplifier

Publications (3)

Publication Number Publication Date
DK179581A true DK179581A (da) 1981-10-24
DK157966B DK157966B (da) 1990-03-05
DK157966C DK157966C (da) 1990-08-13

Family

ID=22502323

Family Applications (1)

Application Number Title Priority Date Filing Date
DK179581A DK157966C (da) 1980-04-23 1981-04-22 Forstaerker med indstillelig forstaerkningsgrad

Country Status (23)

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

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
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)

* 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 (da) * 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 (da) * 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
DD158458A5 (de) 1983-01-12
KR850000733B1 (ko) 1985-05-23
ES8206117A1 (es) 1982-06-16
CA1170731A (en) 1984-07-10
JPH0121643B2 (da) 1989-04-21
PL230736A1 (da) 1981-12-23
AU6963481A (en) 1981-10-29
NL8101991A (nl) 1981-11-16
FI74367C (fi) 1988-01-11
ZA812598B (en) 1982-04-28
DK157966C (da) 1990-08-13
NL190681C (nl) 1994-06-16
SU1268118A3 (ru) 1986-10-30
FR2481541B1 (fr) 1987-03-20
FI811188L (fi) 1981-10-24
KR830005762A (ko) 1983-09-09
IT1194044B (it) 1988-08-31
SE8102482L (sv) 1981-10-24
FI74367B (fi) 1987-09-30
PT72855B (en) 1982-04-02
NL190681B (nl) 1994-01-17
JPS56168415A (en) 1981-12-24
GB2074410B (en) 1984-07-25
SE448801B (sv) 1987-03-16
AU542842B2 (en) 1985-03-21
DK157966B (da) 1990-03-05
IT8120925A0 (it) 1981-04-03
ATA182481A (de) 1986-10-15
AR231889A1 (es) 1985-03-29
GB2074410A (en) 1981-10-28
AT383236B (de) 1987-06-10
DE3116228A1 (de) 1982-03-25
NZ196874A (en) 1985-02-28
ES501552A0 (es) 1982-06-16
PT72855A (en) 1981-05-01
PL135040B1 (en) 1985-09-30
FR2481541A1 (fr) 1981-10-30
DE3116228C2 (da) 1987-05-14
US4345214A (en) 1982-08-17
BE888511A (fr) 1981-08-17

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Legal Events

Date Code Title Description
PBP Patent lapsed