3613023

Information

• Patent Grant
• 3613023

• References
• Source

• Patent Number

  3,613,023

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1971
  54 years ago

• CPC

  • H03G3/3052 - in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
  • G01S7/34 - Gain of receiver varied automatically during pulse-recurrence period
  • H03G1/0005 - Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
  • H03G3/3094 - in parametric amplifiers

• US Classifications

  • 330 - Amplifiers
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 342 - Communications: directive radio wave systems and devices