Analog Devices Inc. ADRF5042-EVALZ

Overview

ADRF5042-EVALZ from Analog Devices is a 4-layer evaluation board designed to characterize and validate the ADRF5042 nonreflective silicon SP4T RF switch (100 MHz–44 GHz) in real-world mmWave signal routing applications. It implements coplanar waveguide (CPWG) 50 Ω transmission lines, Rogers RO4003 dielectric, and optimized thermal grounding for high-frequency RF performance validation.

For engineers reviewing the ADRF5042-EVALZ datasheet, ADRF5042-EVALZ pinout, ADRF5042-EVALZ application, or ADRF5042-EVALZ equivalent, this board provides verified layout practices, Gerber file reference, and measurement-ready RF launchers compatible with 2.4 mm connectors for rapid prototyping of millimeter-wave test instrumentation and 5G infrastructure front-ends.

Technical Context

The ADRF5042-EVALZ implements a simplified application circuit matching the ADRF5042's dual-supply operation (+3.3 V / −3.3 V), CMOS/LVTTL-compatible control interface (EN, LS, V1, V2), and dc-coupled 50 Ω RF ports (RFC, RF1–RF4). All RF traces are routed on the top layer with solid inner/bottom ground planes.

Its stackup uses 0.5 oz outer copper plated to 1.5 oz, 8 mil Rogers RO4003 top dielectric, and total thickness of 62 mil-enabling mechanical compatibility with standard 2.4 mm RF connectors while maintaining impedance control and thermal dissipation for ADRF5042's 24 dBm power handling up to 44 GHz.

Key Specifications

Availability

ADRF5042-EVALZ is available at Aetrix Electronics and suitable for millimeter-wave test instrumentation development, 5G mmWave base station RF front-end validation, and military radar module prototyping requiring stable component supply and reference-grade layout fidelity.

Supply support for ADRF5042-EVALZ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and RF ICs, serving precision instrumentation, communications, and defense markets since 1965.

The ADRF5042-EVALZ belongs to Analog Devices' RF Switch Evaluation Platform product line, engineered to accelerate design-in of ultrawideband SOI-based switches in demanding mmWave systems where insertion loss, isolation, and thermal reliability are critical.

FAQ

What is the primary purpose of the ADRF5042-EVALZ?

The ADRF5042-EVALZ is an evaluation board specifically built to demonstrate and validate the performance of the ADRF5042 nonreflective SP4T RF switch across its full 100 MHz to 44 GHz bandwidth. It provides calibrated RF paths, proper biasing, and industry-standard 2.4 mm connectors-enabling engineers to measure insertion loss, isolation, return loss, and switching speed without custom PCB development. The ADRF5042-EVALZ supports both through-path and terminated-path configurations per the ADRF5042's truth table.

Does the ADRF5042-EVALZ include power supply circuitry for the ADRF5042 IC?

Yes, the ADRF5042-EVALZ provides on-board decoupling and routing for the ADRF5042's required dual supplies: +3.3 V (VDD) and −3.3 V (VSS). It includes 100 pF bypass capacitors near each supply pin and supports external bench supplies or regulated DC sources. The board does not include voltage regulation circuitry-users must supply clean, low-noise ±3.3 V rails meeting ADRF5042's recommended operating conditions (±3.15 V to ±3.45 V).

Can the ADRF5042-EVALZ be used to evaluate hot-switching behavior of the ADRF5042?

Yes, the ADRF5042-EVALZ supports hot-switching evaluation: all RF ports (RFC, RF1–RF4) are dc-coupled and internally matched to 50 Ω, eliminating need for external blocking capacitors. Its layout maintains consistent 50 Ω impedance and grounding integrity, enabling accurate measurement of settling time (30 ns to 0.1 dB), rise/fall time (3 ns), and power-handling stability (24 dBm average/peak) under live RF signal conditions-as specified for the ADRF5042 device itself.

Are Gerber files and the user guide for the ADRF5042-EVALZ publicly available?

Yes, the Gerber files and full user guide for the ADRF5042-EVALZ are freely available from Analog Devices' official website at www.analog.com/EVAL-ADRF5042. These resources include stackup details, bill of materials, assembly drawings, calibration notes, and measurement setup recommendations-ensuring reproducible results when using the ADRF5042-EVALZ to characterize the ADRF5042 switch under varying temperature and frequency conditions.

How does the ADRF5042-EVALZ support thermal management for the ADRF5042 during high-power operation?

The ADRF5042-EVALZ implements thermal best practices per ADRF5042's datasheet: the IC's exposed pad is connected directly to a large, multi-via ground plane spanning inner and bottom layers; dense arrays of plated-through vias surround RF traces and the exposed pad to conduct heat into internal ground planes; and the 62-mil board thickness accommodates robust thermal mass. This design supports ADRF5042's rated operation from −40°C to +105°C and 24 dBm power handling-verified in measurements on the ADRF5042-EVALZ.