Analog Devices Inc. EV1HMC8205BF10

Overview

EV1HMC8205BF10 from Analog Devices is an evaluation board for the HMC8205BF10 GaN broadband power amplifier, supporting 0.3–6 GHz operation with 46 dBm saturated output power and 38% PAE at 50 V/1300 mA. It enables rapid characterization of pulsed or CW RF amplification in radar, jammer, and test equipment applications.

For engineers reviewing the EV1HMC8205BF10 datasheet, EV1HMC8205BF10 application circuit, EV1HMC8205BF10 BOM, or EV1HMC8205BF10 PCB layout, this evaluation platform provides verified 50 Ω RF interface, integrated bias sequencing guidance, and RoHS-compliant Rogers 4350 or Arlon 25FR substrate implementation.

Technical Context

The EV1HMC8205BF10 implements a fully populated reference design for the HMC8205BF10 10-lead LDCC GaN MMIC, featuring SMA connectors on RF IN/OUT, preform jumpers (JP1–JP3) for bias configuration, and multilayer ceramic bypassing (1 µF, 0.01 µF, 100 pF) on all VDD1, VDD2, and VGG1 lines. It enforces strict 50 Ω controlled impedance routing and direct paddle-to-ground via stitching per Analog Devices' thermal and RF grounding recommendations.

This board supports the full operational envelope of the HMC8205BF10: −40°C to +85°C ambient, 28–55 V drain supply, and gate bias from −8 V to 0 V. No external matching is required-RFIN and RFOUT are internally matched to 50 Ω and dc-blocked on-die, enabling plug-and-play validation across 0.3–6 GHz.

Key Specifications

Availability

EV1HMC8205BF10 is available at Aetrix Electronics and suitable for military radar development, electronic warfare system prototyping, and wireless infrastructure RF power validation requiring stable component supply and traceable evaluation hardware.

Supply support for EV1HMC8205BF10 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 digital signal processing semiconductors, headquartered in Norwood, MA.

The EV1HMC8205BF10 belongs to Analog Devices' RF/Microwave Evaluation Platform product line, engineered to accelerate time-to-test for GaN and SiGe power amplifiers used in defense, aerospace, and communications infrastructure.

FAQ

What is the EV1HMC8205BF10 used for?

The EV1HMC8205BF10 is an evaluation PCB designed exclusively for the HMC8205BF10 GaN power amplifier. It allows engineers to validate RF performance-including gain, PAE, PSAT, and return loss-across 0.3–6 GHz under real-world bias conditions. The board implements the exact application circuit shown in the HMC8205BF10 datasheet Figure 39, including proper bypassing, grounding, and SMA interfaces, making it essential for rapid prototyping of radar, jammer, and test equipment subsystems using the EV1HMC8205BF10.

Does the EV1HMC8205BF10 require external matching components?

No, the EV1HMC8205BF10 does not require external matching components. The underlying HMC8205BF10 IC integrates dc blocking capacitors and internal 50 Ω matching on both RFIN and RFOUT pins. The EV1HMC8205BF10 PCB maintains this architecture with controlled-impedance 50 Ω traces and SMA connectors, enabling full-band operation from 0.3 GHz to 6 GHz without added external networks or tuning elements.

What bias sequencing is supported by the EV1HMC8205BF10?

The EV1HMC8205BF10 supports the exact bias sequencing defined in the HMC8205BF10 datasheet: (1) ground connection first, (2) set VGG1 to −8 V to pinch off the second stage, (3) apply 50 V to VDD1 and VDD2, (4) adjust VGG1 to ~−2.5 V to achieve total IDQ = 1300 mA, then (5) apply RF. Preform jumpers JP1–JP3 and labeled test points on the EV1HMC8205BF10 simplify implementation of this sequence with standard lab supplies.

Is the EV1HMC8205BF10 RoHS compliant?

Yes, the EV1HMC8205BF10 is RoHS compliant. As stated in the HMC8205BF10 Ordering Guide, the HMC8205BF10 die is RoHS compliant (model HMC8205FB10), and the EV1HMC8205BF10 evaluation board uses only RoHS-compliant passive components (C2/C9/C11/C12: 1 µF 0805; C3/C7/C8: 0.01 µF 0402; C5/C6: 100 pF 0603) and RoHS-compliant Rogers 4350 or Arlon 25FR substrate.

Can the EV1HMC8205BF10 be used for thermal testing?

Yes, the EV1HMC8205BF10 is explicitly designed for thermal validation. Its layout adheres to Analog Devices' thermal guidelines: the HMC8205BF10's exposed paddle is soldered directly to the PCB ground plane, and multiple vias connect top and bottom ground layers to minimize thermal resistance. This achieves the specified θJC = 1.57 °C/W (EJ-10-1 package), enabling accurate junction temperature estimation during high-power 35 W operation at 50 V.