3783411

Information

• Patent Grant
• 3783411

• References
• Source

• Patent Number

  3,783,411

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1974
  51 years ago

• CPC

  • H03G3/00 - Gain control in amplifiers or frequency changers without distortion of the input signal
  • H03B5/02 - Details
  • H03B5/24 - active element in amplifier being semiconductor device
  • H03C3/00 - Angle modulation
  • H03C3/24 - by means of a variable resistive element
  • H03D3/241 - the oscillator being part of a phase locked loop
  • H03G5/24 - in frequency-selective amplifiers
  • H03H11/12 - using amplifiers with feedback
  • H03H11/1217 - using a plurality of operational amplifiers
  • H03H11/1291 - Current or voltage controlled filters
  • H03H11/46 - One-port networks
  • H03H19/008 - with variable switch closing time

• US Classifications

  • 332 - Modulators
  • 330 - Amplifiers
  • 331 - Oscillators
  • 333 - Wave transmission lines and networks