Digital FSK modulator

Details Digital FSK modulator Digital FSK modulator

1996-08-19

1998-01-27

Chin, Stephen

Pulse or digital communications

Transmitters

Angle modulation

375272, 332100, 332104, H03C 300

Patent

active

057128782

ABSTRACT:
A FSK modulator which uses the combination of a state machine and a toggle flip-flop to generate the FSK signals. The state machine has a loop having a predetermined number of states. The number of clock cycles that the state machine takes to traverse the loop depends on the state or level of the signal at the input to the modulator. The flip-flop converts the state machine output signal to a signal having a rectangular waveform.

REFERENCES:
patent: 5365548 (1994-11-01), Baker

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