Classifications

• • 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
  • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
  • H03F1/22—Modifications 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
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
  • G05F3/00—Non-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
  • G05F3/02—Regulating voltage or current
  • G05F3/08—Regulating voltage or current wherein the variable is DC
  • G05F3/10—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics
  • G05F3/16—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices
  • G05F3/20—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
  • G05F3/26—Current mirrors
  • G05F3/262—Current mirrors using field-effect transistors only
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
  • G05F3/00—Non-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
  • G05F3/02—Regulating voltage or current
  • G05F3/08—Regulating voltage or current wherein the variable is DC
  • G05F3/10—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics
  • G05F3/16—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices
  • G05F3/20—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
  • G05F3/26—Current mirrors
  • G05F3/265—Current mirrors using bipolar transistors only
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
  • G05F3/00—Non-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
  • G05F3/02—Regulating voltage or current
  • G05F3/08—Regulating voltage or current wherein the variable is DC
  • G05F3/10—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics
  • G05F3/16—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices
  • G05F3/20—Regulating voltage or current wherein the variable is DC using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
  • G05F3/26—Current mirrors
  • G05F3/267—Current mirrors using both bipolar and field-effect technology
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
  • H03F3/34—DC amplifiers in which all stages are DC-coupled
  • H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
  • H03F3/345—DC amplifiers in which all stages are DC-coupled with semiconductor devices only with field-effect devices
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
  • H03F3/45—Differential amplifiers
  • H03F3/45071—Differential amplifiers with semiconductor devices only
  • H03F3/45076—Differential 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)

Applications Claiming Priority (1)

Publications (1)

Family

ID=23528780

Family Applications (1)

Country Status (12)

Families Citing this family (13)

Family Cites Families (5)

• 1973
  • 1973-08-09 US US05387171 patent/USB387171I5/en active Pending
• 1974
  • 1974-07-29 CA CA205,847A patent/CA1026436A/en not_active Expired
  • 1974-07-30 SE SE7409818A patent/SE398424B/en unknown
  • 1974-08-02 NL NLAANVRAGE7410394,A patent/NL178632C/en not_active IP Right Cessation
  • 1974-08-05 BR BR6412/74A patent/BR7406412D0/en unknown
  • 1974-08-06 FR FR7427243A patent/FR2240573B1/fr not_active Expired
  • 1974-08-06 GB GB3454074A patent/GB1465499A/en not_active Expired
  • 1974-08-07 AR AR255095A patent/AR200615A1/en active
  • 1974-08-07 JP JP9116874A patent/JPS5342624B2/ja not_active Expired
  • 1974-08-08 IT IT26154/74A patent/IT1019817B/en active
  • 1974-08-08 DE DE2438255A patent/DE2438255C3/en not_active Expired
  • 1974-08-08 BE BE147418A patent/BE818633A/en unknown
  • 1974-08-08 DE DE2462423A patent/DE2462423C3/en not_active Expired

Also Published As

Similar Documents