All About Circuits

Industry White Paper

Building Scalable X-Band Digital Beamforming Systems

Explore ADI’s Quad-Apollo MxFE X-band reference design, a 16-channel digital beamforming platform with phase-coherent direct RF sampling.


June 01, 2026 by Analog Devices
Topics Covered
X-band Digital Beamforming Architectures
16T16R Direct RF Sampling Implementation
Multichip Synchronization and Coherent Timing
Broadband RF Signal-Chain Design

Technical Article Overview 

Digital beamforming at X-band frequencies is one of the most demanding frontiers in modern radar and communications design. Achieving phase coherence across 16 transmit and 16 receive channels requires careful coordination of RF, analog, digital, clocking, and power subsystems.

This technical article presents the Quad-Apollo MxFE platform, an advanced reference architecture developed by Analog Devices to demonstrate the capabilities of Apollo MxFE mixed-signal front end technology. The platform integrates four transceivers with synchronized clocking, deterministic triggering, phase-coherent timing, a low noise RF front end, precision clock generation, multichip synchronization, and power distribution.

For engineers developing X-band radar, electronic warfare systems, or advanced satcom terminals, this platform provides practical implementation detail for high channel count beamforming designs. See how ADI combines RF, clocking, synchronization, and power subsystems to support coherent X-band operation.

Read Technical Article:

Already an All About Circuits member? Please Click Here to login.
Fields containing * are required