Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
  • H03F3/26—Push-pull amplifiers; Phase-splitters therefor
  • H03F3/28—Push-pull amplifiers; Phase-splitters therefor with tubes only
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J21/00—Vacuum tubes
  • H01J21/02—Tubes with a single discharge path
  • H01J21/06—Tubes with a single discharge path having electrostatic control means only
  • H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
  • H01J21/12—Tubes with variable amplification factor
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J2893/00—Discharge tubes and lamps
  • H01J2893/0032—Tubes with variable amplification factor

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Control Of Indicators Other Than Cathode Ray Tubes (AREA)
• Measuring Fluid Pressure (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7506360

Family Applications (1)

Country Status (3)

Families Citing this family (2)

• 0
  • NL NL39304D patent/NL39304C/xx active
• 1927
  • 1927-10-29 FR FR644819D patent/FR644819A/fr not_active Expired
  • 1927-10-29 GB GB2889627A patent/GB279899A/en not_active Expired

Also Published As

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