FSK or am modulator with digital waveform shaping

Details FSK or am modulator with digital waveform shaping FSK or am modulator with digital waveform shaping

1988-03-28

1989-10-03

Grimm, Siegfried H.

Modulators

Frequency shift keying modulator or minimum shift keying...

332149, 375 41, 375 45, 375 62, 375 67, H04L 2704, H04L 2712

Patent

active

048719870

ABSTRACT:
A binary signal modulator includes a sampling circuit for sampling a binary signal at a predetermined sampling frequency, a modulating circuit responsive to the sampled binary signal for generating a modulating signal, the rising and decaying timings of which are respectively determined by the start and end times of the binary signal and the rising and decaying characteristics of which are respectively defined as predetermined functions, and a circuit responsive to the modulating signal for generating a modulated signal.

REFERENCES:
patent: 4003002 (1977-01-01), Snijders et al.

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