Constant amplitude PSK modulator

Details Constant amplitude PSK modulator Constant amplitude PSK modulator

1986-05-09

1988-02-16

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

332 16R, 332 23R, H04L 2720

Patent

active

047260394

ABSTRACT:
A phase modulating system for providing PSK modulation with minimum sidelobe generation. Phase changes, during the phase transition period, are accomplished with a minimum of carrier amplitude variation. I and Q components of the carrier system are multiplied by functions derived from the data and then combined to form a constant amplitude signal during all phases of the data signal.

REFERENCES:
patent: 4216542 (1980-08-01), Hermesmeyer
patent: 4338579 (1982-07-01), Rhodes
patent: 4540958 (1985-09-01), Neyens et al.
patent: 4612518 (1986-09-01), Gians et al.
patent: 4613976 (1986-09-01), Sewerinson et al.

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