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Industry White Paper

20 GHz Direct Sampling: All in One Nyquist—Part 1: Challenges and Approaches

Discover how 20 GHz direct sampling enables wideband RF capture in a single Nyquist zone, simplifying receiver design while addressing key performance and architectural challenges.


April 10, 2026 by Analog Devices
Topics Covered
The Aliasing Problem
Time Interleaving—Full-Rate Offload
Direct Quadrature Sampling Overview

White Paper Overview

This white paper explores the fundamentals of direct RF sampling at 20 GHz, highlighting design considerations, performance challenges, and the benefits of eliminating frequency downconversion stages. Readers will gain insights into how direct sampling simplifies system architectures, reduces component count, and improves overall signal fidelity in high-frequency applications.

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