IT7921087A0 - Complesso amplificatore con fattore di guadagno variabile. - Google Patents

Complesso amplificatore con fattore di guadagno variabile.

Info

Publication number: IT7921087A0
Authority: IT; Italy
Prior art keywords: variable gain; gain factor; complex amplifier; amplifier; complex
Prior art date: 1978-03-20

Application number

IT7921087A

Other languages

English (en)

Other versions

IT1111944B (it

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

1979-03-16

Publication date

1979-03-16

1979-03-16 Application filed by Philips Nv filed Critical Philips Nv

1979-03-16 Publication of IT7921087A0 publication Critical patent/IT7921087A0/it

1986-01-13 Application granted granted Critical

1986-01-13 Publication of IT1111944B publication Critical patent/IT1111944B/it

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

IT21087/79A 1978-03-20 1979-03-16 Complesso amplificatore con fattore di guadagno variabile IT1111944B (it)

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
IT7921087A0 true IT7921087A0 (it)	1979-03-16
IT1111944B IT1111944B (it)	1986-01-13

Family

ID=19830527

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT21087/79A IT1111944B (it)	1978-03-20	1979-03-16	Complesso amplificatore con fattore di guadagno variabile

Country Status (15)

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

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 (it) *	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 SE SE7902365A patent/SE430842B/sv not_active Application Discontinuation
- 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 IT IT21087/79A patent/IT1111944B/it active
- 1979-03-17 ES ES478764A patent/ES478764A1/es not_active Expired
- 1979-03-19 BE BE0/194109A patent/BE874957A/xx not_active IP Right Cessation
- 1979-03-19 FR FR7906863A patent/FR2420876A1/fr active Granted
- 1979-03-20 AT AT0208979A patent/AT376077B/de active
- 1979-03-20 JP JP3315879A patent/JPS54130856A/ja active Pending
1983
- 1983-06-08 HK HK193/83A patent/HK19383A/xx unknown

Also Published As

Publication number	Publication date
JPS54130856A (en)	1979-10-11
CH646555A5 (de)	1984-11-30
US4290025A (en)	1981-09-15
SE7902365L (sv)	1979-09-21
CA1139850A (en)	1983-01-18
ATA208979A (de)	1984-02-15
FR2420876B1 (it)	1984-07-13
SE430842B (sv)	1983-12-12
ES478764A1 (es)	1979-11-01
AU4519979A (en)	1979-09-27
AT376077B (de)	1984-10-10
BE874957A (fr)	1979-09-19
DE2910093A1 (de)	1979-10-04
FR2420876A1 (fr)	1979-10-19
GB2016838B (en)	1982-04-21
HK19383A (en)	1983-06-17
IT1111944B (it)	1986-01-13
AU526139B2 (en)	1982-12-16
GB2016838A (en)	1979-09-26
NL7802973A (nl)	1979-09-24

Publication	Publication Date	Title
NL175365C (nl)	1984-10-16	Vermogensversterker.
NO793134L (no)	1980-04-14	Mekanisk kraftforsterker.
NL164715C (nl)	1981-01-15	Versterker met variabele versterking.
NL177456C (nl)	1985-09-16	Bredebandversterker.
IT1137137B (it)	1986-09-03	Amplificatore a guadagno controllato,con impedenza di carico variabile
IT1111944B (it)	1986-01-13	Complesso amplificatore con fattore di guadagno variabile
NL7614515A (nl)	1978-07-03	In versterking geregelde signaalversterker.
NL7900680A (nl)	1979-08-03	Versterker met een aantal trappen.
NL190301C (nl)	1994-01-03	Selectieve versterker.
NL189837C (nl)	1993-08-02	Thermisch gecompenseerde verschilversterker met variabele versterking.
NO793636L (no)	1980-05-16	Fordelt bredbaandsforsterker.
NL189636C (nl)	1993-06-01	Vermogensversterker.
GB2034546B (en)	1983-05-18	Transistor amplifier with variable gain
IT7920670A0 (it)	1979-03-01	Amplificatore con costante ditrasmissione variabile.
NL179961C (nl)	1986-12-01	Geluidversterker.
IT8026758A0 (it)	1980-12-18	Amplificatore differenziale a guadagno variabile.
NL7705319A (nl)	1977-11-17	Roentgenversterkerfoelies.
NL190681B (nl)	1994-01-17	Versterker met regelbare versterkingsfactor.
NL7900567A (nl)	1979-07-26	Vermogensversterker.
NL7903030A (nl)	1979-10-22	Versterker.
IT8122729A0 (it)	1981-07-03	Disposizione di amplificatore con distorsione bassissima.
IT8041514A0 (it)	1980-01-25	Klystron amplificatore.
IT7821959V0 (it)	1978-05-26	Struttura di mobile variamente componibile.
NL7903312A (nl)	1979-10-30	Versterkertrap met foutkompensatie.
NL7609730A (nl)	1978-03-03	Versterker.