BE874957A - Circuit d'amplification dont il est possible de regler le coefficient d'amplification - Google Patents

Circuit d'amplification dont il est possible de regler le coefficient d'amplification

Info

Publication number
BE874957A
BE874957A BE0/194109A BE194109A BE874957A BE 874957 A BE874957 A BE 874957A BE 0/194109 A BE0/194109 A BE 0/194109A BE 194109 A BE194109 A BE 194109A BE 874957 A BE874957 A BE 874957A
Authority
BE
Belgium
Prior art keywords
amplification
adjust
coefficient
circuit
amplification circuit
Prior art date
Application number
BE0/194109A
Other languages
English (en)
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 BE874957A publication Critical patent/BE874957A/fr

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 of the amplifier
    • 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
    • H03G3/00—Gain control in amplifiers or frequency changers
BE0/194109A 1978-03-20 1979-03-19 Circuit d'amplification dont il est possible de regler le coefficient d'amplification BE874957A (fr)

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 (1)

Publication Number Publication Date
BE874957A true BE874957A (fr) 1979-09-19

Family

ID=19830527

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/194109A BE874957A (fr) 1978-03-20 1979-03-19 Circuit d'amplification dont il est possible de regler le coefficient d'amplification

Country Status (15)

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

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
JPH06350357A (ja) * 1993-06-04 1994-12-22 Philips Electron Nv 集積化増幅器
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 (fr) * 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
CH646555A5 (de) 1984-11-30
AT376077B (de) 1984-10-10
AU526139B2 (en) 1982-12-16
HK19383A (en) 1983-06-17
US4290025A (en) 1981-09-15
NL7802973A (nl) 1979-09-24
FR2420876A1 (fr) 1979-10-19
GB2016838B (en) 1982-04-21
JPS54130856A (en) 1979-10-11
IT7921087A0 (it) 1979-03-16
SE430842B (sv) 1983-12-12
CA1139850A (fr) 1983-01-18
ATA208979A (de) 1984-02-15
IT1111944B (it) 1986-01-13
ES478764A1 (es) 1979-11-01
AU4519979A (en) 1979-09-27
SE7902365L (sv) 1979-09-21
FR2420876B1 (fr) 1984-07-13
DE2910093A1 (de) 1979-10-04
GB2016838A (en) 1979-09-26

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN

Effective date: 19850319