Analog Devices Inc. EV1HMC943ALP5D

Overview

EV1HMC943ALP5D from Analog Devices is an evaluation board designed to characterize the HMC943ALP5DE GaAs pHEMT MMIC power amplifier, operating from 24–34 GHz with +33 dBm saturated output power, 23 dB gain, and integrated RF input/output matched to 50 Ω. It supports microwave radio development including point-to-point and VSAT systems.

For engineers reviewing the EV1HMC943ALP5D datasheet, EV1HMC943ALP5D pinout, EV1HMC943ALP5D application, or EV1HMC943ALP5D equivalent, this board enables rapid RF performance validation of the HMC943ALP5DE amplifier under real-world biasing, thermal, and impedance-matching conditions using K-connectors and optimized Rogers 4350/FR4 PCB layout.

Technical Context

The EV1HMC943ALP5D implements a fully populated reference design for the HMC943ALP5DE, featuring SRI/K-type RF connectors (J2, J3, J5, J6), DC pins (J4), and multi-stage bypassing (100 pF, 10,000 pF, and 4.7 µF capacitors) on all VD/VG supply lines. The board uses RF-optimized trace routing with controlled 50 Ω impedance and direct ground via stitching to the exposed paddle.

Thermal management includes solder-attached heatsink mounting on the secondary side using SN96 solder, per assembly note. The PCB material is Rogers 4350 or Arlon FR4, and the layout mirrors production-ready RF practices-ground plane continuity, minimal stubs, and decoupling capacitor placement adjacent to each drain/gate terminal.

Key Specifications

Availability

EV1HMC943ALP5D is available at Aetrix Electronics and suitable for microwave radio prototyping, millimeter-wave transceiver validation, and defense-grade RF front-end development requiring stable component supply and repeatable measurement conditions.

Supply support for EV1HMC943ALP5D 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 communications, industrial, automotive, and aerospace markets with precision signal processing solutions.

The EV1HMC943ALP5D belongs to Analog Devices' mmWave evaluation platform family, engineered specifically to accelerate characterization and integration of GaAs pHEMT power amplifiers in E-band wireless infrastructure and secure tactical radio applications.

FAQ

What is the primary function of the EV1HMC943ALP5D evaluation board?

The EV1HMC943ALP5D evaluation board is a dedicated test platform for the HMC943ALP5DE GaAs pHEMT power amplifier. It provides full RF connectivity (via K-connectors), proper DC biasing, multi-stage decoupling, and thermal management to enable accurate measurement of gain, Psat, IP3, and detector response across 24–34 GHz. The board allows engineers to validate the HMC943ALP5DE in a production-representative environment before system integration.

Does the EV1HMC943ALP5D include the HMC943ALP5DE IC?

Yes, the EV1HMC943ALP5D evaluation board includes one mounted HMC943ALP5DE power amplifier IC (U1). The board is shipped fully assembled with all passive components, connectors, and the amplifier die in its 32-lead LFCSP_CAV package, ready for immediate RF testing upon heatsink attachment and DC power application.

What RF connector types are used on the EV1HMC943ALP5D?

The EV1HMC943ALP5D uses SRI/K-type RF connectors for both RFIN (J2) and RFOUT (J5), with additional K-connectors (J6, J7) supporting differential or auxiliary signal paths. These connectors maintain broadband 50 Ω impedance match and low insertion loss up to 40 GHz, ensuring minimal measurement uncertainty when characterizing the HMC943ALP5DE's 24–34 GHz performance.

How is thermal management implemented on the EV1HMC943ALP5D?

Thermal management on the EV1HMC943ALP5D requires attaching a heatsink to the secondary (bottom) side of the PCB using SN96 solder, as specified in the assembly note. This ensures efficient heat extraction from the HMC943ALP5DE's exposed paddle, maintaining junction temperature below 146 °C at nominal +5.5 V / 1300 mA operation and enabling sustained RF output power without thermal compression.

Can the EV1HMC943ALP5D be used for detector calibration of the HMC943ALP5DE?

Yes, the EV1HMC943ALP5D supports full VDET/VREF detector functionality. The board routes VDET (Pin 19) and VREF (Pin 18) to accessible test points with appropriate biasing networks, enabling measurement of the temperature-compensated VREF–VDET voltage difference. This allows direct correlation between DC output voltage and RF output power across frequency and temperature, as documented in the HMC943ALP5DE datasheet figures.