IT8320680A0 - Circuito per una sorgente disegnali di alta impedenza. - Google Patents

Circuito per una sorgente disegnali di alta impedenza.

Info

Publication number: IT8320680A0
Authority: IT; Italy
Prior art keywords: circuit; high impedance; impedance source; source designs; designs
Prior art date: 1982-04-21

Application number

IT8320680A

Other languages

English (en)

Other versions

IT1170129B (it

IT8320680A1 (it

Inventor

Scott Harrison Early

Roger Leon Minear

Original Assignee

Western Electric Co

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.)

1982-04-21

Filing date

1983-04-19

Publication date

1983-04-19

1983-04-19 Application filed by Western Electric Co filed Critical Western Electric Co

1983-04-19 Publication of IT8320680A0 publication Critical patent/IT8320680A0/it

1984-10-19 Publication of IT8320680A1 publication Critical patent/IT8320680A1/it

1987-06-03 Application granted granted Critical

1987-06-03 Publication of IT1170129B publication Critical patent/IT1170129B/it

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
- H03F3/16—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with field-effect devices
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/306—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in junction-FET amplifiers
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
- H03F3/185—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices
- H03F3/1855—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices with junction-FET devices

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Multimedia (AREA)
Amplifiers (AREA)
Circuit For Audible Band Transducer (AREA)
Networks Using Active Elements (AREA)

IT20680/83A 1982-04-21 1983-04-19 Circuito per una sorgente di segnali di alta impedenza IT1170129B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/370,498 US4473794A (en)	1982-04-21	1982-04-21	Current repeater

Publications (3)

Publication Number	Publication Date
IT8320680A0 true IT8320680A0 (it)	1983-04-19
IT8320680A1 IT8320680A1 (it)	1984-10-19
IT1170129B IT1170129B (it)	1987-06-03

Family

ID=23459928

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT20680/83A IT1170129B (it)	1982-04-21	1983-04-19	Circuito per una sorgente di segnali di alta impedenza

Country Status (10)

Country	Link
US (1)	US4473794A (it)
EP (1)	EP0105911B1 (it)
KR (1)	KR900007920B1 (it)
AU (1)	AU559556B2 (it)
CA (1)	CA1199985A (it)
DE (1)	DE3367709D1 (it)
GB (1)	GB2118796B (it)
HK (1)	HK80586A (it)
IT (1)	IT1170129B (it)
WO (1)	WO1983003931A1 (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4567381A (en) *	1983-12-01	1986-01-28	Rca Corporation	Bias network having one mode for producing a regulated output
NL193545C (nl) *	1983-12-29	2000-01-04	Mitsubishi Electric Corp	Constante stroom opwekkende schakeling.
US4882482A (en) *	1988-10-26	1989-11-21	Tektronix, Inc.	Thermally stabilized optical preamplifier
JPH03159410A (ja) *	1989-11-17	1991-07-09	Toshiba Corp	カレントミラー回路
IT1239899B (it) *	1990-03-22	1993-11-23	Sgs Thomson Microelectronics	Amplificatore a basso rumore e alta impedenza d'ingresso, particolarmente per microfoni
IL96274A0 (en) *	1990-11-08	1991-08-16	Keter Plastic Ltd	Razor having integral hair detection means
US5373253A (en) *	1993-09-20	1994-12-13	International Business Machines Corporation	Monolithic current mirror circuit employing voltage feedback for β-independent dynamic range
US5521490A (en) *	1994-08-08	1996-05-28	National Semiconductor Corporation	Current mirror with improved input voltage headroom
FR2769164B1 (fr) *	1997-09-26	2002-10-31	Alain Maurice Ange Magagnini	Dispositif micro electrostatique a interface circuit integre
US6404223B1 (en)	2001-01-22	2002-06-11	Mayo Foundation For Medical Education And Research	Self-terminating current mirror transceiver logic
US8878601B2 (en) *	2012-05-31	2014-11-04	Taiwan Semiconductor Manufacturing Company, Ltd.	Power supply circuit with positive and negative feedback loops

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2626321A (en) *	1948-05-29	1953-01-20	Rca Corp	Phase inverter circuits
US3305638A (en) *	1964-02-17	1967-02-21	Steven D Teachout	Condenser microphone circuit with solid electrolyte battery polarizing source
US3676790A (en) *	1971-06-03	1972-07-11	Bell Telephone Labor Inc	Differential feedback amplifier
US3851269A (en) *	1972-03-01	1974-11-26	Khl Res And Dev Corp	Hum reduction in transistor amplifiers
JPS4890447A (it) *	1972-03-02	1973-11-26
US3806742A (en) *	1972-11-01	1974-04-23	Motorola Inc	Mos voltage reference circuit
US3922596A (en) *	1973-08-13	1975-11-25	Motorola Inc	Current regulator
JPS5541049B2 (it) *	1973-09-28	1980-10-22
US4008441A (en) *	1974-08-16	1977-02-15	Rca Corporation	Current amplifier
US3944756A (en) *	1975-03-05	1976-03-16	Electro-Voice, Incorporated	Electret microphone
US4278889A (en) *	1979-10-15	1981-07-14	Ohio Nuclear, Inc.	Current amplifier with automatic drift correction for tomographic scanners

1982
- 1982-04-21 US US06/370,498 patent/US4473794A/en not_active Expired - Lifetime
1983
- 1983-04-08 WO PCT/US1983/000503 patent/WO1983003931A1/en not_active Ceased
- 1983-04-08 EP EP83901551A patent/EP0105911B1/en not_active Expired
- 1983-04-08 AU AU15144/83A patent/AU559556B2/en not_active Ceased
- 1983-04-08 DE DE8383901551T patent/DE3367709D1/de not_active Expired
- 1983-04-11 CA CA000425611A patent/CA1199985A/en not_active Expired
- 1983-04-15 GB GB08310198A patent/GB2118796B/en not_active Expired
- 1983-04-19 IT IT20680/83A patent/IT1170129B/it active
- 1983-04-20 KR KR1019830001669A patent/KR900007920B1/ko not_active Expired
1986
- 1986-10-23 HK HK805/86A patent/HK80586A/xx unknown

Also Published As

Publication number	Publication date
WO1983003931A1 (en)	1983-11-10
US4473794A (en)	1984-09-25
KR840004833A (ko)	1984-10-24
IT1170129B (it)	1987-06-03
IT8320680A1 (it)	1984-10-19
GB2118796B (en)	1986-02-05
HK80586A (en)	1986-10-31
KR900007920B1 (ko)	1990-10-23
EP0105911A1 (en)	1984-04-25
GB2118796A (en)	1983-11-02
CA1199985A (en)	1986-01-28
DE3367709D1 (en)	1987-01-02
AU559556B2 (en)	1987-03-12
GB8310198D0 (en)	1983-05-18
AU1514483A (en)	1983-11-21
EP0105911A4 (en)	1984-09-14
EP0105911B1 (en)	1986-11-12

Publication	Publication Date	Title
IT8323550A0 (it)	1983-10-31	Circuito di interfaccia.
ES282376Y (es)	1986-09-01	Una jeringa
IT8320321A0 (it)	1983-03-28	Sedia a rotelle.
NO163092C (no)	1990-04-04	Vakuumpakke.
IT8321325A0 (it)	1983-05-26	Circuito di completamento di chiamate.
DK160013C (da)	1991-06-17	Steriliserbar pose
NL182860C (nl)	1988-06-01	Steriliseerinrichting.
ES279790Y (es)	1985-07-01	Pezonera para una ordenadora mecanica.
ES274953Y (es)	1985-04-16	Una disposicion de refrigeracion
NL191129C (nl)	1995-02-01	Cassettereinigingsinrichting.
IT8323081V0 (it)	1983-09-27	Aspirapolvere.
IT8319686A0 (it)	1983-02-22	Dispositivo aspirapolvere.
IT1137842B (it)	1986-09-10	Dispositivo per l'accensione di una lampada a scarica
IT8320680A0 (it)	1983-04-19	Circuito per una sorgente disegnali di alta impedenza.
IT8224722A0 (it)	1982-12-14	Procedimento di pulitura.
IT1206117B (it)	1989-04-14	Circuito demultiplatore.
IT8125477A0 (it)	1981-12-04	Circuito generatore di impulsi utilizzante una sorgente di corrente.
IT1211004B (it)	1989-09-29	Circuito invertitore perl'accensione di lampade fluorescenti.
DE3381689D1 (de)	1990-08-02	Phenothiazin-derivate.
IT1168612B (it)	1987-05-20	Circuito generatore di impulsi
ES527592A0 (es)	1984-12-16	Una cosechadora perfeccionada
NO158910C (no)	1988-11-09	Krets for utladningslampe.
IT8305201A0 (it)	1983-10-11	Procedimento di mercerizzazione.
IT8221671A0 (it)	1982-06-03	Circuito alimentatore ad alta frequenza per lampade elettrofluorescenti.
IT8322033A0 (it)	1983-07-13	Circuito per la duplicazione disegnali.