HK19383A - Variable-gain amplifier - Google Patents

Variable-gain amplifier

Info

Publication number: HK19383A
Authority: HK; Hong Kong
Prior art keywords: variable; gain amplifier; gain; amplifier
Prior art date: 1978-03-20

Application number

HK193/83A

Other languages

English (en)

Inventor

Rudy Johan Van De Plassche

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

1983-06-08

Publication date

1983-06-17

1983-06-08 Application filed by Philips Nv filed Critical Philips Nv

1983-06-17 Publication of HK19383A publication Critical patent/HK19383A/xx

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

HK193/83A 1978-03-20 1983-06-08 Variable-gain amplifier HK19383A (en)

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
HK19383A true HK19383A (en)	1983-06-17

Family

ID=19830527

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
HK193/83A HK19383A (en)	1978-03-20	1983-06-08	Variable-gain amplifier

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
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
BE874957A (fr)	1979-09-19
SE430842B (sv)	1983-12-12
ATA208979A (de)	1984-02-15

Publication	Publication Date	Title
JPS54145418A (en)	1979-11-13	Amplifier
JPS54137245A (en)	1979-10-24	Sense amplifier
GB2036910B (en)	1982-12-08	Mechanical amplifier
JPS5610715A (en)	1981-02-03	Amplifier
JPS5684006A (en)	1981-07-09	Amplifier
JPS5538698A (en)	1980-03-18	Sensing amplifier
JPS54150057A (en)	1979-11-24	Balance amplifier
JPS56132008A (en)	1981-10-16	Variable gain amplifier
JPS5538794A (en)	1980-03-18	Wide band amplifier
JPS54124659A (en)	1979-09-27	Insulating amplifier
JPS54110767A (en)	1979-08-30	Pushhpull amplifier
DE3069024D1 (en)	1984-09-27	Gain controlled amplifier
HK19383A (en)	1983-06-17	Variable-gain amplifier
GB2060304B (en)	1983-03-30	Selective amplifier
JPS5513600A (en)	1980-01-30	Acoustic amplifier
DE2966471D1 (en)	1984-01-12	Amplifier circuit
JPS54147760A (en)	1979-11-19	Amplifier
JPS54136262A (en)	1979-10-23	Separate amplifier
JPS56110314A (en)	1981-09-01	Variable gain amplifier
JPS54150058A (en)	1979-11-24	Amplifier circuit
JPS5561115A (en)	1980-05-08	Pushhpull amplifier
YU305478A (en)	1983-04-30	Double-direction amplifier
JPS54142051A (en)	1979-11-05	Low frequency amplifier
JPS55151852A (en)	1980-11-26	Amplifier
JPS54114068A (en)	1979-09-05	Low frequency amplifier