DE3568113D1 - Dc voltage-controllable element with variable capacity - Google Patents

Dc voltage-controllable element with variable capacity

Info

Publication number: DE3568113D1
Authority: DE; Germany
Prior art keywords: voltage; variable capacity; controllable element; controllable; variable
Prior art date: 1984-07-03
Legal status (The legal status 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 status listed.): Expired

Application number

DE8585401264T

Other languages

English (en)

Inventor

John Magarshack

Erhard Kohn

Ernesto Perea

Dimitrios Pavlidis

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Thales SA

Original Assignee

Thomson CSF SA

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.)

1984-07-03

Filing date

1985-06-25

Publication date

1989-03-09

1985-06-25 Application filed by Thomson CSF SA filed Critical Thomson CSF SA

1989-03-09 Application granted granted Critical

1989-03-09 Publication of DE3568113D1 publication Critical patent/DE3568113D1/de

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/62—Capacitors having potential barriers
- H10D1/64—Variable-capacitance diodes, e.g. varactors

DE8585401264T 1984-07-03 1985-06-25 Dc voltage-controllable element with variable capacity Expired DE3568113D1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR8410521A FR2567325B1 (fr)	1984-07-03	1984-07-03	Element a capacite variable, commandable par une tension continue

Publications (1)

Publication Number	Publication Date
DE3568113D1 true DE3568113D1 (en)	1989-03-09

Family

ID=9305735

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8585401264T Expired DE3568113D1 (en)	1984-07-03	1985-06-25	Dc voltage-controllable element with variable capacity

Country Status (4)

Country	Link
US (1)	US4721985A (de)
EP (1)	EP0169122B1 (de)
DE (1)	DE3568113D1 (de)
FR (1)	FR2567325B1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5310425A (en) *	1987-05-19	1994-05-10	Tdk Corporation	Toner concentration detector for a two-component developer
US5140382A (en) *	1989-02-17	1992-08-18	Sumitomo Electric Industries, Ltd.	Microwave integrated circuit using a distributed line with a variable effective length
JPH0728023B2 (ja) *	1989-02-17	1995-03-29	住友電気工業株式会社	マイクロ波集積回路
US5220194A (en) *	1989-11-27	1993-06-15	Motorola, Inc.	Tunable capacitor with RF-DC isolation
FR2671243B1 (fr) *	1990-12-28	1993-03-12	Thomson Composants Microondes	Procede de dephasage d'un signal electrique, et dephaseur base sur ce procede.
TW267260B (de) *	1993-12-29	1996-01-01	Tif Kk
KR0137070B1 (en) *	1994-07-26	1998-04-24	Korea Advanced Inst Sci & Tech	A variable capacitance diode with area controlled
US6222247B1 (en) *	1999-12-02	2001-04-24	United Microelectronics Corp.	Semiconductor resistor that can be withstand high voltages
DE10222764B4 (de) *	2002-05-15	2011-06-01	Ihp Gmbh - Innovations For High Performance Microelectronics / Leibniz-Institut Für Innovative Mikroelektronik	Halbleitervaraktor und damit aufgebauter Oszillator
JP4857531B2 (ja)	2004-07-08	2012-01-18	三菱電機株式会社	半導体装置
US20060125012A1 (en) *	2004-12-09	2006-06-15	Honeywell International Inc.	Varactor

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3210696A (en) *	1961-02-10	1965-10-05	Westinghouse Electric Corp	Bridged-t filter
US3258723A (en) *	1962-01-30	1966-06-28		Osafune ia
US3535600A (en) *	1968-10-10	1970-10-20	Gen Electric	Mos varactor diode
US3675161A (en) *	1968-10-12	1972-07-04	Matsushita Electronics Corp	Varactor-controlled pn junction semiconductor microwave oscillation device
DE1803883A1 (de) *	1968-10-18	1970-05-27	Siemens Ag	Durch mindestens zwei abstimmbare Kapazitaetsdioden gesteuerte elektrische Anordnung
US3761823A (en) *	1971-07-27	1973-09-25	Philco Ford Corp	Automotive radio rundown noise eliminator
US3805198A (en) *	1972-08-28	1974-04-16	Bell Telephone Labor Inc	Resonance control in interdigital capacitors useful as dc breaks in diode oscillator circuits
US3825858A (en) *	1973-02-23	1974-07-23	Hitachi Ltd	Local oscillator for use in a vhf tuner for a television receiver
US4048646A (en) *	1975-02-26	1977-09-13	Nippon Electric Company, Limited	Dual-gate schottky barrier gate fet having an intermediate electrode and a method of making same
DE2829212A1 (de) *	1978-07-03	1980-01-17	Philips Patentverwaltung	Planare doppel-kapazitaetsdiode
US4399417A (en) *	1980-06-06	1983-08-16	Bell Telephone Laboratories, Incorporated	Integrated CRC filter circuit
DE3028820A1 (de) *	1980-07-30	1982-02-25	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Kapazitaetsvariationsdiode
JPS57103366A (en) *	1980-12-18	1982-06-26	Clarion Co Ltd	Variable-capacitance device
US4481487A (en) *	1981-08-14	1984-11-06	Texas Instruments Incorporated	Monolithic microwave wide-band VCO

1984
- 1984-07-03 FR FR8410521A patent/FR2567325B1/fr not_active Expired
1985
- 1985-06-25 EP EP85401264A patent/EP0169122B1/de not_active Expired
- 1985-06-25 DE DE8585401264T patent/DE3568113D1/de not_active Expired
- 1985-07-01 US US06/750,478 patent/US4721985A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
FR2567325A1 (fr)	1986-01-10
EP0169122A1 (de)	1986-01-22
FR2567325B1 (fr)	1986-11-14
US4721985A (en)	1988-01-26
EP0169122B1 (de)	1989-02-01

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Legal Events

Date	Code	Title	Description
1990-03-01	8364	No opposition during term of opposition
1997-06-12	8339	Ceased/non-payment of the annual fee