Method and arrangement for generating orthogonal sinusoidal sign

Details Method and arrangement for generating orthogonal sinusoidal sign Method and arrangement for generating orthogonal sinusoidal sign

1998-09-15

2000-12-26

Wells, Kenneth B.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synthesizer

106158, H03B 2100

Patent

active

061665681

ABSTRACT:
A method and arrangement for generating orthogonal sinusoidal signals in a digital oscillator. The oscillator includes a signal generator which generates a digital sinusoidal signal. The digital sinusoidal signal is fed into a phase shifter which is separate from the signal generator. The phase shifter derives from the digital sinusoidal signal a first pair of digital sinusoidal signals having a phase difference corresponding to at least one sample step. The first pair of digital sinusoidal signals is fed into an orthogonalization unit which produces a pair of orthogonal digital sinusoidal signals by forming linear combinations of the first pair of digital sinusoidal signals.

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