Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03G—CONTROL OF AMPLIFICATION
  • H03G3/00—Gain control in amplifiers or frequency changers
  • H03G3/20—Automatic control
  • H03G3/30—Automatic control in amplifiers having semiconductor devices
  • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
• • 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
  • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03G—CONTROL OF AMPLIFICATION
  • H03G3/00—Gain control in amplifiers or frequency changers
  • H03G3/02—Manually-operated control
  • H03G3/04—Manually-operated control in untuned amplifiers
  • H03G3/10—Manually-operated control in untuned amplifiers having semiconductor devices

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Multimedia (AREA)
• Amplifiers (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19751023

Family Applications (2)

Family Applications After (1)

Country Status (2)

• 0
  • NL NL222115D patent/NL222115A/xx unknown
  • NL NL109834D patent/NL109834C/xx active
• 1958
  • 1958-11-01 CH CH6568358A patent/CH372713A/de unknown

Also Published As

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