Classifications

• • H—ELECTRICITY
  • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
  • H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
  • H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
  • H10D84/60—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D10/00 or H10D18/00, e.g. integration of BJTs
  • H10D84/611—Combinations of BJTs and one or more of diodes, resistors or capacitors
  • H10D84/613—Combinations of vertical BJTs and one or more of diodes, resistors or capacitors
  • H10D84/617—Combinations of vertical BJTs and only diodes
• • 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
  • H03F3/187—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only in integrated circuits
• • 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
  • H03F3/347—DC amplifiers in which all stages are DC-coupled with semiconductor devices only in integrated circuits
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03F—AMPLIFIERS
  • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
  • H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M1/00—Substation equipment, e.g. for use by subscribers
  • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
  • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Signal Processing (AREA)
• Multimedia (AREA)
• Amplifiers (AREA)
• Bipolar Transistors (AREA)
• Bipolar Integrated Circuits (AREA)

Priority Applications (8)

Applications Claiming Priority (2)

Publications (1)

Family

ID=26644491

Family Applications (2)

Family Applications Before (1)

Country Status (7)

Families Citing this family (8)

• 1969
  • 1969-11-11 NL NL6916988A patent/NL6916988A/xx unknown
• 1970
  • 1970-05-20 NL NL7007313A patent/NL7007313A/xx unknown
  • 1970-07-10 DE DE19702034318 patent/DE2034318B2/de active Pending
  • 1970-07-10 US US53940A patent/US3665330A/en not_active Expired - Lifetime
  • 1970-07-17 DK DK372870AA patent/DK142800B/da not_active IP Right Cessation
  • 1970-07-21 JP JP45063292A patent/JPS521244B1/ja active Pending
  • 1970-07-22 GB GB3543970A patent/GB1305730A/en not_active Expired
  • 1970-07-27 FR FR7027585A patent/FR2071627A5/fr not_active Expired

Also Published As

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