IT1170129B - Circuito per una sorgente di segnali di alta impedenza - Google Patents

Circuito per una sorgente di segnali di alta impedenza

Info

Publication number: IT1170129B
Authority: IT; Italy
Prior art keywords: circuit; signal source; high impedance; impedance signal; source
Prior art date: 1982-04-21

Application number

IT20680/83A

Other languages

English (en)

Other versions

IT8320680A1 (it

IT8320680A0 (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

1987-06-03

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 IT8320680A0 (it)	1983-04-19
IT8320680A1 IT8320680A1 (it)	1984-10-19
IT1170129B true 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
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
IT8320680A0 (it)	1983-04-19
AU1514483A (en)	1983-11-21
EP0105911A4 (en)	1984-09-14
EP0105911B1 (en)	1986-11-12

Publication	Publication Date	Title
DK273084A (da)	1984-06-01	Signalgengivelsesapparat
AU545569B2 (en)	1985-07-18	Vacuum source device
LU88299I2 (fr)	1994-09-09	Cilazapril (Vascace / Inhibace)
ES282376Y (es)	1986-09-01	Una jeringa
IT1198445B (it)	1988-12-21	Apparecchio misuratore del rumore di una sorgente di segnali a microonde
DK160013C (da)	1991-06-17	Steriliserbar pose
IT8448631A0 (it)	1984-07-25	Circuito di memoria per trasduttori
DE3365050D1 (en)	1986-09-11	Source voltage build-up detecting circuit
ES274953Y (es)	1985-04-16	Una disposicion de refrigeracion
IT1170129B (it)	1987-06-03	Circuito per una sorgente di segnali di alta impedenza
IT1176474B (it)	1987-08-18	Circuito elaboratore di segnali
ES503352A0 (es)	1982-05-16	Una disposicion de circuito para amplificacion de senales
IT1171786B (it)	1987-06-10	Circuito rivelatore di segnali in particolare per applicazioni telefoniche
BR8207720A (pt)	1983-05-10	Circuito de medicao de impedancia
IT7949761A0 (it)	1979-07-16	Circuito di segnali ad alta frequenza per un impianto oscuratore di lampada
KR890010856A (ko)	1989-08-11	카세트착탈장치
DK503083A (da)	1983-11-03	Signalklippende kredsloeb
IT8367732A0 (it)	1983-07-05	Procedimento per l esecuzione di una prova di mutageneita
DE3273908D1 (en)	1986-11-27	Optical proximity detection devices
SE8205061D0 (sv)	1982-09-06	Kassettanordning
ES528355A0 (es)	1985-04-01	Una instalacion de tratamiento de datos
IT1167184B (it)	1987-05-13	Lampada con scarica a bagliore per esami spettroanalitici
IT1168612B (it)	1987-05-20	Circuito generatore di impulsi
IT1138877B (it)	1986-09-17	Complesso circuitale per la scarica di una capacita
KR900007421U (ko)	1990-04-04	형광체 제거용 세정장치