3643161

Information

• Patent Grant
• 3643161

• References
• Source

• Patent Number

  3,643,161

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  53 years ago

• CPC

  • H03F3/217 - Class D power amplifiers Switching amplifiers
  • H03F1/06 - to raise the efficiency of amplifying modulated radio frequency waves to raise the efficiency of amplifiers acting also as modulators
  • H03F3/245 - with semiconductor devices only

• US Classifications

  • 375 - Pulse or digital communications
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 330 - Amplifiers
  • 332 - Modulators