Digital demodulator arrangement for quadrature signals

Details Digital demodulator arrangement for quadrature signals Digital demodulator arrangement for quadrature signals

H - Electricity

04

B

329/5, 325/72

H04B 1/16 (2006.01) H03D 3/00 (2006.01) H04L 27/152 (2006.01) H04L 27/38 (2006.01)

Patent

CA 1235754

DIGITAL DEMODULATOR ARRANGEMENT FOR QUADRATURE SIGNALS Abstract of the Disclosure A direct conversion receiver in which the quadrature I and Q signals are converted into pulse density modulated digital data streams by delta-sigma modulators 14, 15. The resultant digital data streams are then processed in a logic block 18 according to predetermined logic truth tables. The digital output of the processor 18 is then converted back to an analogue signal.

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