Complex Multiplier Datapath

Advanced

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Specification

01Operation

Four real multiplications and two additions form the complex result.

Behavior

Input components are signed eight-bit values.
real_out = a_real*b_real - a_imag*b_imag.
imag_out = a_real*b_imag + a_imag*b_real; 17-bit outputs preserve the intermediate range.

02Interface

Signal	Direction	Width	Description
`a_real, a_imag, b_real, b_imag`	Input	8 bits signed	Complex components
`real_out, imag_out`	Output	17 bits signed	Complex product

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