Analog Devices Inc. EV2HMC618ALP3

Overview

EV2HMC618ALP3 from Analog Devices is a 16-lead 3×3 mm LFCSP evaluation board for the HMC618ALP3E GaAs pHEMT low-noise amplifier, operating from 1.2–2.2 GHz with 0.75 dB noise figure, 19 dB gain, and +36 dBm OIP3 at +5 V supply. It enables rapid RF front-end receiver validation in cellular/4G/LTE base station applications.

For engineers reviewing the EV2HMC618ALP3 datasheet, EV2HMC618ALP3 pinout, EV2HMC618ALP3 application, or EV2HMC618ALP3 equivalent, this page delivers verified mechanical layout, RF interface details, bias configuration guidance, thermal management requirements, and compatibility notes with the HMC618ALP3E IC - all critical for RF design validation and production readiness.

Technical Context

The EV2HMC618ALP3 is a dedicated evaluation platform supporting two frequency bands: 1200–1700 MHz (EV1HMC618ALP3 variant) and 1700–2200 MHz (EV2HMC618ALP3). It integrates SMA RF connectors (J1/J2), DC pins (J3–J5), 1000 pF and 0.47 µF bypass capacitors, 470 Ω bias resistor (R1), and optimized microstrip routing on Rogers 4350 substrate for minimal impedance discontinuity.

Thermal design requires direct connection of the HMC618ALP3E's exposed paddle to the PCB ground plane via multiple vias, and mounting to an external heat sink. The board implements strict RF layout practices: 50 Ω controlled-impedance signal paths, minimized stubs, and segregated RF/DC grounding to preserve the amplifier's noise and linearity performance.

Key Specifications

Availability

EV2HMC618ALP3 is available at Aetrix Electronics and suitable for RF front-end validation, LTE base station prototyping, and 4G infrastructure development requiring stable component supply and traceable evaluation hardware.

Supply support for EV2HMC618ALP3 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 integrated circuits, serving communications, industrial, automotive, and aerospace markets.

The EV2HMC618ALP3 belongs to Analog Devices' RF evaluation platform product line, designed specifically to accelerate time-to-test for GaAs pHEMT LNAs in wireless infrastructure applications - emphasizing repeatable RF measurement, thermal integrity, and layout fidelity.

FAQ

What is the primary frequency range supported by the EV2HMC618ALP3 evaluation board?

The EV2HMC618ALP3 is tuned and optimized for the 1700–2200 MHz band. It uses specific matching components (including C6 = 220 pF and L1 = 15 nH) validated for this range. For 1200–1700 MHz operation, Analog Devices specifies the EV1HMC618ALP3 variant with different component values (e.g., L1 = 27 nH, C6 = 100 pF). Using EV2HMC618ALP3 outside its designated band degrades gain flatness and return loss.

Does the EV2HMC618ALP3 include the HMC618ALP3E IC mounted on board?

Yes, the EV2HMC618ALP3 evaluation PCB ships with the HMC618ALP3E low-noise amplifier pre-mounted and soldered. The board is fully assembled and tested, including all required biasing resistors, bypass capacitors (1000 pF, 0.47 µF, 10 nF, 220 pF), and RF chokes (15 nH, 6.8 nH), enabling immediate RF characterization without additional component placement.

What are the critical thermal requirements when using the EV2HMC618ALP3?

The EV2HMC618ALP3 requires direct thermal coupling between the HMC618ALP3E's exposed paddle and the PCB ground plane via ≥6 thermal vias (0.3 mm diameter), plus mechanical mounting to an external aluminum heat sink. This is mandatory to limit channel temperature to ≤85 °C under continuous +5 V / 89 mA operation - exceeding this risks parametric drift and accelerated degradation per the IC's absolute maximum ratings.

Can the EV2HMC618ALP3 be used with 3 V supply instead of 5 V?

Yes, the EV2HMC618ALP3 supports 3 V operation but requires resistor replacement: the onboard 470 Ω R1 must be substituted with a 10 kΩ resistor to set correct Idd (~47 mA at 3 V). Without this change, bias current will be excessive, risking instability or damage. Performance shifts - gain drops ~1–3 dB and OIP3 decreases to ~28 dBm - as confirmed in the HMC618ALP3E datasheet electrical tables.

Is the EV2HMC618ALP3 compatible with other HMC618x LP3E-series amplifiers?

The EV2HMC618ALP3 is mechanically and electrically compatible only with the HMC618ALP3E due to identical pinout, package (16-lead 3×3 mm LFCSP), and bias architecture. It is not compatible with the HMC617LP3E (0.55–1.2 GHz) or HMC375LP3E (legacy part), despite shared footprint - their internal bias networks and frequency response differ, requiring distinct matching networks and validation.