Classifications

• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
  • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
  • H03D7/16—Multiple-frequency-changing
  • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
  • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
  • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
  • H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
  • H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
  • H03B2201/00—Aspects of oscillators relating to varying the frequency of the oscillations
  • H03B2201/02—Varying the frequency of the oscillations by electronic means
  • H03B2201/0208—Varying the frequency of the oscillations by electronic means the means being an element with a variable capacitance, e.g. capacitance diode
• • H—ELECTRICITY
  • H03—ELECTRONIC CIRCUITRY
  • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
  • H03B2202/00—Aspects of oscillators relating to reduction of undesired oscillations
  • H03B2202/02—Reduction of undesired oscillations originated from natural noise of the circuit elements of the oscillator
  • H03B2202/025—Reduction of undesired oscillations originated from natural noise of the circuit elements of the oscillator the noise being coloured noise, i.e. frequency dependent noise
  • H03B2202/027—Reduction of undesired oscillations originated from natural noise of the circuit elements of the oscillator the noise being coloured noise, i.e. frequency dependent noise the noise being essentially proportional to the inverse of the frequency, i.e. the so-called 1/f noise

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Superheterodyne Receivers (AREA)
• Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=8638665

Family Applications (1)

Country Status (6)

Families Citing this family (3)

Family Cites Families (2)

• 1967
  • 1967-09-20 FR FR121671A patent/FR1550217A/fr not_active Expired
• 1968
  • 1968-09-13 BE BE720774D patent/BE720774A/xx unknown
  • 1968-09-19 US US760854A patent/US3584305A/en not_active Expired - Lifetime
  • 1968-09-19 NL NL6813399A patent/NL6813399A/xx unknown
  • 1968-09-20 DE DE19681791136 patent/DE1791136A1/de active Pending
  • 1968-09-20 GB GB44850/68A patent/GB1180351A/en not_active Expired

Also Published As

Similar Documents