3678404

Information

• Patent Grant
• 3678404

• References
• Source

• Patent Number

  3,678,404

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  52 years ago

• CPC

  • H03F3/26 - Push-pull amplifiers Phase-splitters therefor
  • H03F1/3211 - in differential amplifiers
  • H03F3/343 - with semiconductor devices only
  • H03F3/42 - Amplifiers with two or more amplifying elements having their dc paths in series with the load, the control electrode of each element being excited by at least part of the input signal
  • H03F3/45098 - PI types
  • H03F3/45103 - Non-folded cascode stages
  • H03F2203/45176 - A cross coupling circuit
  • H03F2203/45251 - the dif amp has a cross coupling circuit in the source circuit of the amplifying transistors
  • H03F2203/45318 - the AAC comprising a cross coupling circuit

• US Classifications

  • 330 - Amplifiers