Analog waveform communications reduced instruction set processor

Details Analog waveform communications reduced instruction set processor Analog waveform communications reduced instruction set processor

1996-05-22

1997-11-04

Grimm, Siegfried H.

Modulators

Frequency modulator

329341, 375271, 375302, 375324, H03C 300, H03D 300

Patent

active

056844352

ABSTRACT:
A communications reduced instruction processor forming a simple programmable digital signal processing architecture (10) for processing analog waveforms. The architecture (10) includes a main DSP core that includes a tightly coupled CORDIC co-processing element (26). The CORDIC co-processing element (26) performs trigonometric operations for converting polar coordinates to rectangular coordinates and rectangular coordinates to polar coordinates. These trigonometric functions include an angle accumulate operation for calculating the magnitude and angle of a vector given in X-Y cartesian coordinates, and a vector rotate operation for calculating a sine and a cosine of a given phase angle.

REFERENCES:
patent: 4884265 (1989-11-01), Schroeder et al.
patent: 5550869 (1996-08-01), Gurantz et al.

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