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IT1019817B - CURRENT AMPLIFIER - Google Patents

CURRENT AMPLIFIER

Info

Publication number
IT1019817B
IT1019817B IT26154/74A IT2615474A IT1019817B IT 1019817 B IT1019817 B IT 1019817B IT 26154/74 A IT26154/74 A IT 26154/74A IT 2615474 A IT2615474 A IT 2615474A IT 1019817 B IT1019817 B IT 1019817B
Authority
IT
Italy
Prior art keywords
current amplifier
amplifier
current
Prior art date
Application number
IT26154/74A
Other languages
Italian (it)
Original Assignee
Rca Corp
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.)
Filing date
Publication date
Application filed by Rca Corp filed Critical Rca Corp
Application granted granted Critical
Publication of IT1019817B publication Critical patent/IT1019817B/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/22Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02Regulating voltage or current
    • G05F3/08Regulating voltage or current wherein the variable is dc
    • G05F3/10Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/26Current mirrors
    • G05F3/262Current mirrors using field-effect transistors only
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02Regulating voltage or current
    • G05F3/08Regulating voltage or current wherein the variable is dc
    • G05F3/10Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/26Current mirrors
    • G05F3/265Current mirrors using bipolar transistors only
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02Regulating voltage or current
    • G05F3/08Regulating voltage or current wherein the variable is dc
    • G05F3/10Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/26Current mirrors
    • G05F3/267Current mirrors using both bipolar and field-effect technology
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/34DC amplifiers in which all stages are DC-coupled
    • H03F3/343DC amplifiers in which all stages are DC-coupled with semiconductor devices only
    • H03F3/345DC amplifiers in which all stages are DC-coupled with semiconductor devices only with field-effect devices
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/45Differential amplifiers
    • H03F3/45071Differential amplifiers with semiconductor devices only
    • H03F3/45076Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Control Of Electrical Variables (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
IT26154/74A 1973-08-09 1974-08-08 CURRENT AMPLIFIER IT1019817B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05387171 USB387171I5 (en) 1973-08-09 1973-08-09

Publications (1)

Publication Number Publication Date
IT1019817B true IT1019817B (en) 1977-11-30

Family

ID=23528780

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26154/74A IT1019817B (en) 1973-08-09 1974-08-08 CURRENT AMPLIFIER

Country Status (12)

Country Link
US (1) USB387171I5 (en)
JP (1) JPS5342624B2 (en)
AR (1) AR200615A1 (en)
BE (1) BE818633A (en)
BR (1) BR7406412D0 (en)
CA (1) CA1026436A (en)
DE (2) DE2438255C3 (en)
FR (1) FR2240573B1 (en)
GB (1) GB1465499A (en)
IT (1) IT1019817B (en)
NL (1) NL178632C (en)
SE (1) SE398424B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973215A (en) * 1975-08-04 1976-08-03 Rca Corporation Current mirror amplifier
US4010425A (en) * 1975-10-02 1977-03-01 Rca Corporation Current mirror amplifier
JPS53135556A (en) * 1977-04-30 1978-11-27 Toshiba Corp Constant current source bias circuit
JPS53135555A (en) * 1977-04-30 1978-11-27 Toshiba Corp Operational amplifier circuit
JPS5422557A (en) * 1977-07-22 1979-02-20 Hitachi Ltd Constant current circuit
DE2840740C2 (en) * 1978-09-19 1983-01-05 Siemens AG, 1000 Berlin und 8000 München MOS-integrated constant current source
JPH0773205B2 (en) * 1983-12-20 1995-08-02 株式会社日立製作所 Level conversion circuit
US4574233A (en) * 1984-03-30 1986-03-04 Tektronix, Inc. High impedance current source
NL8503394A (en) * 1985-12-10 1987-07-01 Philips Nv CURRENT SCREENING FOR A POWER SEMICONDUCTOR DEVICE, PARTICULARLY INTEGRATED INTELLIGENT POWER SEMICONDUCTOR SWITCH FOR PARTICULAR AUTOMOTIVE APPLICATIONS.
NL8701831A (en) * 1987-08-04 1989-03-01 Philips Nv OSCILLATOR WITH FREQUENCY STABILIZERS.
US6215292B1 (en) * 1999-08-25 2001-04-10 Stmicroelectronics S.R.L. Method and device for generating an output current
JP6065554B2 (en) * 2012-12-03 2017-01-25 富士電機株式会社 Comparator
US10447208B2 (en) * 2017-12-15 2019-10-15 Raytheon Company Amplifier having a switchable current bias circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3508084A (en) * 1967-10-06 1970-04-21 Texas Instruments Inc Enhancement-mode mos circuitry
CH534923A (en) * 1971-08-18 1973-03-15 Bbc Brown Boveri & Cie Power source with high internal resistance
US3775693A (en) * 1971-11-29 1973-11-27 Moskek Co Mosfet logic inverter for integrated circuits
US3813595A (en) * 1973-03-30 1974-05-28 Rca Corp Current source
US3953807A (en) * 1973-08-09 1976-04-27 Rca Corporation Current amplifier

Also Published As

Publication number Publication date
DE2438255A1 (en) 1975-02-20
FR2240573A1 (en) 1975-03-07
NL7410394A (en) 1975-02-11
BR7406412D0 (en) 1975-05-27
DE2462423C3 (en) 1982-07-15
JPS5342624B2 (en) 1978-11-13
NL178632C (en) 1986-04-16
DE2462423A1 (en) 1977-02-10
FR2240573B1 (en) 1979-03-09
DE2438255C3 (en) 1982-08-19
GB1465499A (en) 1977-02-23
SE398424B (en) 1977-12-19
AU7211774A (en) 1976-02-12
USB387171I5 (en) 1975-01-28
BE818633A (en) 1974-12-02
SE7409818L (en) 1975-02-10
AR200615A1 (en) 1974-11-22
CA1026436A (en) 1978-02-14
DE2438255B2 (en) 1977-04-21
JPS5073549A (en) 1975-06-17
DE2462423B2 (en) 1979-04-12

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