Intel Agilex® 7 Variable Precision DSP Blocks User Guide

ID 683037
Date 10/02/2023
Document Table of Contents

3.1.4. Independent Complex Multiplier

The Intel Agilex® 7 devices support the 18 × 19 complex multiplier mode using two fixed-point arithmetic multiplier adder sum mode.

Figure 20. Sample of Complex Multiplication Equation

The imaginary part [(a × d) + (b × c)] is implemented in the first variable-precision DSP block, while the real part [(a × c) - (b × d)] is implemented in the second variable-precision DSP block.

Figure 21. One 18 × 19 Complex Multiplier with Two Variable Precision DSP Blocks for Intel Agilex® 7 Devices