SE430842B - Forsterkaranordning med instellbar forsterkning - Google Patents

Forsterkaranordning med instellbar forsterkning

Info

Publication number
SE430842B
SE430842B SE7902365A SE7902365A SE430842B SE 430842 B SE430842 B SE 430842B SE 7902365 A SE7902365 A SE 7902365A SE 7902365 A SE7902365 A SE 7902365A SE 430842 B SE430842 B SE 430842B
Authority
SE
Sweden
Prior art keywords
transistor
amplifier device
input
output
inverting
Prior art date
Application number
SE7902365A
Other languages
English (en)
Swedish (sv)
Other versions
SE7902365L (sv
Inventor
De Plassche R J Van
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE7902365L publication Critical patent/SE7902365L/xx
Publication of SE430842B publication Critical patent/SE430842B/sv

Links

Classifications

    • 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
    • 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
    • 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 in emitter-coupled or cascode amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers

Landscapes

  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Amplitude Modulation (AREA)
SE7902365A 1978-03-20 1979-03-16 Forsterkaranordning med instellbar forsterkning SE430842B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7802973A NL7802973A (nl) 1978-03-20 1978-03-20 Versterkerschakeling met regelbare versterkings- factor.

Publications (2)

Publication Number Publication Date
SE7902365L SE7902365L (sv) 1979-09-21
SE430842B true SE430842B (sv) 1983-12-12

Family

ID=19830527

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7902365A SE430842B (sv) 1978-03-20 1979-03-16 Forsterkaranordning med instellbar forsterkning

Country Status (15)

Country Link
US (1) US4290025A (de)
JP (1) JPS54130856A (de)
AT (1) AT376077B (de)
AU (1) AU526139B2 (de)
BE (1) BE874957A (de)
CA (1) CA1139850A (de)
CH (1) CH646555A5 (de)
DE (1) DE2910093A1 (de)
ES (1) ES478764A1 (de)
FR (1) FR2420876A1 (de)
GB (1) GB2016838B (de)
HK (1) HK19383A (de)
IT (1) IT1111944B (de)
NL (1) NL7802973A (de)
SE (1) SE430842B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4331929A (en) 1979-04-04 1982-05-25 Nippon Gakki Seizo Kabushiki Kaisha Gain-controlled amplifier
JPS5718109A (en) * 1980-07-08 1982-01-29 Toshiba Corp Sound volume controlling circuit
JPS57125509A (en) * 1981-01-28 1982-08-04 Toshiba Corp Signal level control circuit
JPS5857807A (ja) * 1981-10-02 1983-04-06 Sony Corp 電圧制御可変利得回路
DE3204217A1 (de) * 1982-02-08 1983-08-18 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltung zur elektronischen verstaerkungsstellung
US4695806A (en) * 1986-04-15 1987-09-22 Tektronix, Inc. Precision remotely-switched attenuator
JPH0720040B2 (ja) * 1986-11-21 1995-03-06 ソニー株式会社 電圧−電流変換回路
US4937516A (en) * 1987-11-13 1990-06-26 U.S. Philips Corporation Balanced voltage-current converter and double-balanced mixer circuit comprising such a converter
EP0627813B1 (de) * 1993-06-04 1999-08-25 Koninklijke Philips Electronics N.V. Integrierter Verstärker mit exakt definiertem Verstärkungsfaktor
DE102007025604A1 (de) 2007-05-31 2008-12-04 Evonik Rohmax Additives Gmbh Verbesserte Polymerdispersionen
DE102010041242A1 (de) 2010-09-23 2012-03-29 Evonik Rohmax Additives Gmbh Verfahren zur Herstellung von Polymerdispersionen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684974A (en) * 1968-01-29 1972-08-15 Motorola Inc Automatic gain control rf-if amplifier
GB1320910A (en) * 1969-09-16 1973-06-20 Plessey Co Ltd Amplifiers
NL166162C (nl) * 1971-05-14 1981-06-15 Philips Nv Versterkerschakeling met regelbare versterking.
US3750042A (en) * 1972-08-21 1973-07-31 Gen Electric Amplifier of controllable gain
US3891937A (en) * 1972-12-21 1975-06-24 Philips Corp Circuit arrangement for electronic gain/control, in particular electronic volume control circuit
US3875522A (en) * 1973-04-13 1975-04-01 Signetics Corp Integrated direct-coupled electronic attenuator
JPS5528564B2 (de) * 1974-06-22 1980-07-29
DE2526310A1 (de) * 1975-06-12 1976-12-23 Philips Patentverwaltung Schaltung zur elektronischen verstaerkungseinstellung

Also Published As

Publication number Publication date
ATA208979A (de) 1984-02-15
CH646555A5 (de) 1984-11-30
US4290025A (en) 1981-09-15
DE2910093A1 (de) 1979-10-04
FR2420876B1 (de) 1984-07-13
ES478764A1 (es) 1979-11-01
GB2016838A (en) 1979-09-26
CA1139850A (en) 1983-01-18
BE874957A (fr) 1979-09-19
JPS54130856A (en) 1979-10-11
GB2016838B (en) 1982-04-21
AU4519979A (en) 1979-09-27
FR2420876A1 (fr) 1979-10-19
AU526139B2 (en) 1982-12-16
AT376077B (de) 1984-10-10
HK19383A (en) 1983-06-17
SE7902365L (sv) 1979-09-21
NL7802973A (nl) 1979-09-24
IT1111944B (it) 1986-01-13
IT7921087A0 (it) 1979-03-16

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 7802973-3

Effective date: 19790502