3693093

Information

• Patent Grant
• 3693093

• References
• Source

• Patent Number

  3,693,093

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • H03G3/3052 - in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
  • H03J3/185 - with varactors
  • H03J5/0218 - Discontinuous tuning using an electrical variable impedance element
  • H03J7/12 - Combination of automatic frequency control voltage with stabilised varactor supply voltage

• US Classifications

  • 455 - Telecommunications
  • 334 - Tuners
  • 348 - Television