FSK demodulator system and method

FSK demodulator system and method

An FSK demodulator system with tunable spectral shaping including a pair of quadri-correlators responsive to first and second quadrature signals, one of the pair deriving first and second signals representative of the frequency deviation of the quadrature signals at even integer multiples of the fre...

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Hauptverfasser: Quinlan, Philip E, Mulvaney, Kenneth J, Crowley, Patrick G, Hunt, William
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creator Quinlan, Philip E
Mulvaney, Kenneth J
Crowley, Patrick G
Hunt, William
description An FSK demodulator system with tunable spectral shaping including a pair of quadri-correlators responsive to first and second quadrature signals, one of the pair deriving first and second signals representative of the frequency deviation of the quadrature signals at even integer multiples of the frequency deviation and for resolving the modulated FSK data represented by the quadrature signals and the other of the pair deriving first and second signals representative of the frequency deviation of the quadrature signals at odd integer multiples of the deviation frequency and for resolving the modulated FSK data represented by the quadrature signals, and a delay control circuit for setting a delay to each of the pair of quadri-correlators to control the first and second signals representative of the frequency deviation of the quadrature signals derived by each of the pair of quadri-correlators and generate a tuned spectral response at both even and odd integer multiples of the frequency deviation.
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title FSK demodulator system and method
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