3845393

Information

• Patent Grant
• 3845393

• References
• Source

• Patent Number

  3,845,393

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1974
  51 years ago

• CPC

  • H03J3/185 - with varactors
  • H03J5/0209 - Discontinuous tuning using an electrical variable impedance element
  • H03J5/0272 - the digital values being used to preset a counter or a frequency divider in a phase locked loop
  • H03L7/189 - comprising a D/A converter for generating a coarse tuning voltage

• US Classifications

  • 455 - Telecommunications
  • 331 - Oscillators
  • 334 - Tuners