Frequency-modulated carrier systems, i.e. using frequency-shift keying (H04L27/32 takes precedence)

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Modulated-carrier systems > Frequency-modulated carrier systems, i.e. using frequency-shift keying (H04L27/32 takes precedence)

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• H04L 27/103
• H04L 27/106
• H04L 27/12 Modulator circuits; Transmitter circuits
• H04L 27/14 Demodulator circuits; Receiver circuits
• H04L 27/16 Frequency regulation arrangements