3409785

Information

• Patent Grant
• 3409785

• References
• Source

• Patent Number

  3,409,785

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1968
  56 years ago

• CPC

  • H03F3/34 - Dc amplifiers in which all stages are dc-coupled
  • H03F1/56 - Modifications of input or output impedances, not otherwise provided for
  • H03F3/343 - with semiconductor devices only
  • H03F3/36 - with tubes only
  • H03H11/02 - Multiple-port networks
  • H03K5/003 - Changing the DC level
  • H04B3/04 - Control of transmission Equalising

• US Classifications

  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 330 - Amplifiers
  • 333 - Wave transmission lines and networks