Modulating arrangement for phase and amplitude modulation of...

Details Modulating arrangement for phase and amplitude modulation of... Modulating arrangement for phase and amplitude modulation of...

H - Electricity

04

L

332/39

H04L 27/36 (2006.01)

Patent

CA 1315364

PHF 88.577 5 July 1989 ABSTRACT: Modulating arrangement for phase and amplitude modulation of a wave. This arrangement comprises an input (1) for receiving groups of bits, a phase shifting circuit (5, 7) for producing two phase- shifted components of the said wave and a modulating circuit for modulating the amplitude of the two components as a function of the said groups, which is characterized in that the modulating circuit comprises storage means (25) addressed by part of the bits of the bit groups for producing an original amplitude value, and calculating means (30) for obtaining the final amplitude values by changing the original values according to the remaining part of the bits of the bit groups.

606084

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