Complex 4-bit Multiplier, Embedded Multipliers

Block: Complex 4-bit Multiplier Implemented in Embedded Multipliers (cmult_4bit_em)
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Contents

Summary

Perform a complex multiplication (a + bi)(cdi) = (acbd) + (ad + bc)i. Implements the logic in embedded multipliers.

Mask Parameters

Parameter Variable Description
Multiplier Latency mult_latency The latency through a multiplier.
dd Latency add_latency The latency through an adder.

Ports

Port Dir Data Type Description
a in Inherited The real component of input 1.
b in Inherited The imaginary component of input 1.
c in Inherited The real component of input 2.
d in Inherited The imaginary component of input 2.
real out Inherited ac-bd
imag out Inherited ad+bc

Description

Perform a complex multiplication (a + bi)(cdi) = (acbd) + (ad + bc)i. Implements the logic in embedded multipliers. Each 4 bit real multiplier is implemented as a lookup table with 4b+4b=8b of address.