Analog Devices Inc. EV1HMC8500PM5

Overview

EV1HMC8500PM5 from Analog Devices is an evaluation board for the HMC8500PM5E GaN power amplifier IC, supporting broadband RF amplification from 0.01 GHz to 2.8 GHz with 40 dBm (10 W) output power, 55% PAE, and 15 dB small-signal gain. It enables rapid characterization of the amplifier in pulsed or CW operation for wireless infrastructure and radar transmitter stages.

For engineers reviewing the EV1HMC8500PM5 datasheet, EV1HMC8500PM5 pinout, EV1HMC8500PM5 application, or EV1HMC8500PM5 equivalent, this board provides a fully populated, tested, and thermally optimized reference platform using Rogers 4350 substrate, 50 Ω RF traces, and validated external matching components per Figure 44 of the HMC8500PM5E datasheet.

Technical Context

The EV1HMC8500PM5 implements the exact typical application circuit from the HMC8500PM5E datasheet (Figure 44), including L1 (1.2 nH), C1 (0.8 pF), C8 (2 pF), C11 (4.3 pF), R2 (10 Ω), and VGG/VDD bypassing with 10 µF and 2.2 nF capacitors. It uses SN63 solder for rework compatibility and integrates a thermally conductive epoxy-mounted heat sink for stable operation at up to +85°C ambient.

All RF interfaces use K-type connectors (SRI/25-146-1000-92), and the PCB layout adheres to high-frequency design practices: controlled 50 Ω impedance, minimized parasitic coupling, and NIC pins connected to ground for thermal integrity. The board supports the full bias sequence defined for the HMC8500PM5E - including VGG ramping from −8 V to −2.65 V and VDD = 28 V - to achieve 100 mA quiescent current.

Key Specifications

Availability

EV1HMC8500PM5 is available at Aetrix Electronics and suitable for RF power amplifier validation, wireless infrastructure prototyping, and radar subsystem testing requiring stable component supply and repeatable measurement conditions.

Supply support for EV1HMC8500PM5 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, headquartered in Norwood, MA, with deep expertise in RF power, precision signal processing, and sensor technologies.

The EV1HMC8500PM5 belongs to Analog Devices' RF evaluation board product line, designed specifically to accelerate development of GaN-based broadband power amplifiers for defense, communications, and test equipment applications.

FAQ

What is the primary function of the EV1HMC8500PM5 evaluation board?

The EV1HMC8500PM5 evaluation board is a fully populated, tested reference platform for the HMC8500PM5E GaN power amplifier IC. It implements the manufacturer's recommended typical application circuit (Figure 44), enabling immediate RF performance characterization - including gain, POUT, PAE, and OIP3 - across 0.01–2.8 GHz without custom layout. The EV1HMC8500PM5 supports both pulsed and CW operation under validated thermal and bias conditions.

Does the EV1HMC8500PM5 include the HMC8500PM5E IC?

Yes, the EV1HMC8500PM5 evaluation board ships with the HMC8500PM5E amplifier IC (Analog Devices part number HMC8500PM5E) fully mounted and soldered. Per Table 7 of the datasheet, U1 is explicitly designated as "HMC8500PM5E amplifier", confirming the board is delivered with the active device installed and ready for RF testing.

What RF connectors are used on the EV1HMC8500PM5, and what frequency range do they support?

The EV1HMC8500PM5 uses SRI/25-146-1000-92 K-type connectors for both RF input (J2) and RF output (J3). These connectors are rated for DC to 40 GHz, ensuring minimal insertion loss and VSWR degradation across the full 0.01–2.8 GHz operating band of the HMC8500PM5E, and maintain mechanical stability during repeated mating cycles.

How is thermal management implemented on the EV1HMC8500PM5 board?

The EV1HMC8500PM5 uses electrically and thermally conductive epoxy to bond the HMC8500PM5E's exposed pad directly to an integrated heat sink, providing low thermal resistance (θ_JC = 6.8°C/W) and low dc resistance path to ground. This configuration meets the datasheet requirement for stable operation at +85°C ambient and enables reliable 10 W output power dissipation during extended testing.

Is the EV1HMC8500PM5 compatible with standard lab equipment?

Yes, the EV1HMC8500PM5 is designed for direct integration with standard 50 Ω RF test equipment. Its K-type connectors, 50 Ω controlled-impedance traces, and validated bias interface allow seamless connection to vector network analyzers, signal generators, and spectrum analyzers. No adapter or impedance transformation is required to measure S-parameters, gain compression, or spectral purity of the HMC8500PM5E when using the EV1HMC8500PM5.