Intel® Stratix® 10 Variable Precision DSP Blocks User Guide

ID 683832
Date 8/13/2021
Public
Document Table of Contents

3.1.3. Independent Complex Multiplier

The Intel® Stratix® 10 devices support the 18 × 19 complex multiplier mode using two fixed-point arithmetic multiplier adder sum mode.

Figure 9. 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 10. One 18 × 19 Complex Multiplier with Two Variable Precision DSP Blocks for Intel® Stratix® 10 Devices

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