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
Authority: BE; Belgium
Prior art keywords: amplification; adjust; coefficient; circuit; amplification circuit
Prior art date: 1978-03-20

Application number

BE0/194109A

Other languages

English (en)

French (fr)

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.)

1978-03-20

Filing date

1979-03-19

Publication date

1979-09-19

1979-03-19 Application filed by Philips Nv filed Critical Philips Nv

1979-09-19 Publication of BE874957A publication Critical patent/BE874957A/xx

Links

230000003321 amplification Effects 0.000 title 2
238000003199 nucleic acid amplification method Methods 0.000 title 2

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

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 (sv) *	1974-06-22	1980-07-29
DE2526310A1 (de) *	1975-06-12	1976-12-23	Philips Patentverwaltung	Schaltung zur elektronischen verstaerkungseinstellung

1978
- 1978-03-20 NL NL7802973A patent/NL7802973A/xx not_active Application Discontinuation
1979
- 1979-02-26 US US06/015,547 patent/US4290025A/en not_active Expired - Lifetime
- 1979-03-12 CA CA000323252A patent/CA1139850A/en not_active Expired
- 1979-03-15 DE DE19792910093 patent/DE2910093A1/de not_active Withdrawn
- 1979-03-16 AU AU45199/79A patent/AU526139B2/en not_active Ceased
- 1979-03-16 IT IT21087/79A patent/IT1111944B/it active
- 1979-03-16 CH CH251979A patent/CH646555A5/de not_active IP Right Cessation
- 1979-03-16 GB GB7909418A patent/GB2016838B/en not_active Expired
- 1979-03-16 SE SE7902365A patent/SE430842B/sv not_active Application Discontinuation
- 1979-03-17 ES ES478764A patent/ES478764A1/es not_active Expired
- 1979-03-19 FR FR7906863A patent/FR2420876A1/fr active Granted
- 1979-03-19 BE BE0/194109A patent/BE874957A/xx not_active IP Right Cessation
- 1979-03-20 JP JP3315879A patent/JPS54130856A/ja active Pending
- 1979-03-20 AT AT0208979A patent/AT376077B/de active
1983
- 1983-06-08 HK HK193/83A patent/HK19383A/xx unknown

Also Published As

Publication number	Publication date
US4290025A (en)	1981-09-15
ES478764A1 (es)	1979-11-01
AU526139B2 (en)	1982-12-16
DE2910093A1 (de)	1979-10-04
AT376077B (de)	1984-10-10
FR2420876A1 (fr)	1979-10-19
JPS54130856A (en)	1979-10-11
HK19383A (en)	1983-06-17
GB2016838B (en)	1982-04-21
SE7902365L (sv)	1979-09-21
CH646555A5 (de)	1984-11-30
FR2420876B1 (sv)	1984-07-13
IT7921087A0 (it)	1979-03-16
GB2016838A (en)	1979-09-26
NL7802973A (nl)	1979-09-24
CA1139850A (en)	1983-01-18
IT1111944B (it)	1986-01-13
AU4519979A (en)	1979-09-27
SE430842B (sv)	1983-12-12
ATA208979A (de)	1984-02-15

Legal Events

Date

Code

Title

Description

1985-09-30

RE

Patent lapsed

Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN

Effective date: 19850319

Publication	Publication Date	Title
AT365447B (de)	1982-01-11	Sarg
BE875773A (nl)	1979-10-23	2'deoxy-5-(halogeenvinyl)-uridines
BE878501A (nl)	1980-02-29	Rolstoel of dergelijke
ATE202T1 (de)	1981-09-15	2-cycloalkyl-pyrimidin(5)
BE874957A (fr)	1979-09-19	Circuit d'amplification dont il est possible de regler le coefficient d'amplification
SE7909670L (sv)	1980-05-30	Reglerad avbojningskrets
AT361024B (de)	1981-02-10	Zungenweiche
SE7901551L (sv)	1979-08-28	Integrerad krets
SE7900273L (sv)	1979-07-21	Reglerad avbojningskrets
BE887857A (fr)	1981-09-09	Circuit d'amplification
ATA676979A (de)	1980-12-15	Aufsatteldrehpflug
FI790580A (fi)	1979-09-07	Loesning av kobolt (3)-hydroxid med organiskt reduktionsmedel
FI790581A (fi)	1979-09-07	Katodisk loesning av kobolt (3)-hydroxid
LU81071A1 (fr)	1979-06-19	Vitrai 12
BE879541A (fr)	1980-02-15	Circuit de correction d'horloge d'echantillonnage
FI790141A (fi)	1979-07-31	2 6-dinitrobensenaminer
FI792307A (fi)	1980-01-29	Foerfarande foer staonggjutning av metall
IT1122309B (it)	1986-04-23	Rele'elettromagnetico
AT371307B (de)	1983-06-27	Pflugzusatzgeraet
DK283879A (da)	1980-01-06	Plovlegeme
IT1124249B (it)	1986-05-07	Dispositivo per la fabbricazione di cioccolato
FI791466A (fi)	1979-11-13	Foerfarande foer framstaellning av alfa-(4(4-klorbenzoylamino-etyl)-fenoxi)-smoersyra
FI791423A (fi)	1980-06-27	Foerfarande foer loesningsvaermebehandling av 6201 aluminiumlegering
IT1122153B (it)	1986-04-23	Rele'elettromagnetico
IT7950703A0 (it)	1979-10-30	Perfezionamenti relativi alle stadie di rilevamento topografico