Receiver with digital processing of a phase-splitted input signa

Details Receiver with digital processing of a phase-splitted input signa Receiver with digital processing of a phase-splitted input signa

1997-02-21

1999-01-12

Williams, Howard L.

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

375324, H03M 100

Patent

active

058596070

ABSTRACT:
In a receiver, both an A/D conversion (ADC) and a phase-split (PSF) is carried out on an input signal (R) to obtain a pair of digital signals (Xd,Yd) which are mutually phase shifted. The pair of digital signals (Xd,Yd) is processed (VSP) as a vectorial signal with a frequency-characteristic which is asymmetrical with respect to zero frequency. In order to make the receiver better suited for relatively low A/D conversion sampling frequencies (Fs), the phase-split (PSF) is carried out prior to the A/D conversion (ADC).

REFERENCES:
patent: 4583239 (1986-04-01), Vance
patent: 5052050 (1991-09-01), Collier et al.
patent: 5156343 (1992-10-01), Voorman
patent: 5579347 (1996-11-01), Lindquist

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