FI-MainGroup/Facet-Choice

  • H03D1/00
  • Demodulation of amplitude-modulated oscillations (; amplitude demodulators adapted for digitally modulated carrier systems, e.g. using on-off keying,single sideband or vestigial sideband modulation H04L 27/06) HB CC 5J072
  • H03D3/00
  • Demodulation of angle-modulated oscillations (; frequency demodulators adapted for digitally modulated carrier systems, i.e. using frequency shift keying H04L 27/14; phase demodulators adapted for digitally modulated carrier systems, i.e. using phase shift keying H04L 27/22) HB CC 5J072
  • H03D5/00
  • Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will (; demodulators adapted for digitally modulated carrier systems characterised by combinations of amplitude and angle modulation, e.g. quadrature amplitude modulation H04L 27/38) HB CC 5J072
  • H03D7/00
  • Transference of modulation from one carrier to another, e.g. frequency-changing (H03D 9/00, H03D 11/00 take precedence; dielectric amplifiers, magnetic amplifiers, parametric amplifiers used as frequency-changers H03F) HB CC 5J073
  • H03D9/00
  • Demodulation or transference of modulation of modulated electromagnetic waves (devices or arrangements for demodulating light, transferring the modulation of modulated light or for changing the frequency of light G02F 2/00) HB CC 5J073
  • H03D11/00
  • Super-regenerative demodulator circuits HB CC 5J074
  • H03D13/00
  • Circuits for comparing the phase or frequency of two mutually-independent oscillations (arrangements for measuring phase angle between a voltage and a current or between voltages or currents G01R 25/00) HB CC 5J074
  • H03D99/00
  • Subject matter not provided for in other groups of this subclass [8] HB CC 5J074
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