Analog Devices Inc. EV1HMC344ALP3

Overview

EV1HMC344ALP3 from Analog Devices is a 4-layer evaluation board designed to characterize the HMC344ALP3E GaAs SP4T RF switch, supporting full broadband operation from 0.1 GHz to 8 GHz with measured insertion loss ≤2.5 dB and isolation ≥28 dB across the band. It features coplanar waveguide (CPWG) 50 Ω transmission lines, SMA launchers (J1–J5), and dedicated test points for VEE, CTLA, CTLB, and GND - enabling rapid validation of RF path switching, linearity (P1dB = 28 dBm typ.), and thermal grounding in wireless infrastructure and fiber-optic systems.

For engineers reviewing the EV1HMC344ALP3 datasheet, EV1HMC344ALP3 pinout, EV1HMC344ALP3 application, or EV1HMC344ALP3 equivalent, this board provides calibrated RF paths, on-board bypassing (C6 = 1 nF), TTL-compatible control interface support (via Figure 15), and through-calibration line (J6–J7) for de-embedding PCB loss - critical for accurate high-frequency switch characterization and system-level integration.

Technical Context

The EV1HMC344ALP3 implements a fixed-layout, single-sided RF routing architecture with all signal traces on the top copper layer and solid ground planes on inner/bottom layers. Its Rogers RO4350 top dielectric (10 mil) enables stable 50 Ω CPWG design (16 mil trace / 13 mil ground clearance), while the 62 mil total thickness accommodates edge-mounted SMA connectors with mechanical rigidity.

It supports direct connection to the HMC344ALP3E's 16-lead LFCSP package (3 mm × 3 mm), including plated-through via arrays around the exposed pad and RF traces for optimal RF return path and thermal dissipation. The board integrates default 0 Ω resistors (R1–R5) for RF pin access and provisions for TTL-level control translation using external 74HCT04 and zener clamping per Figure 15.

Key Specifications

Availability

EV1HMC344ALP3 is available at Aetrix Electronics and suitable for RF switch evaluation, 5G small cell front-end prototyping, broadband filter bank testing, and fiber-optic transceiver module development requiring stable component supply and repeatable high-frequency measurement setups.

Supply support for EV1HMC344ALP3 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 instrumentation markets with precision signal processing solutions.

The EV1HMC344ALP3 belongs to Analog Devices' evaluation platform family for GaAs RF switches, engineered specifically to accelerate characterization and integration of broadband SP4T switches like the HMC344ALP3E in demanding wireless infrastructure and test equipment applications.

FAQ

What is the primary function of the EV1HMC344ALP3 evaluation board?

The EV1HMC344ALP3 evaluation board is a dedicated hardware platform for characterizing the HMC344ALP3E GaAs SP4T RF switch. It provides calibrated 50 Ω RF paths from SMA connectors to all five ports (RFC, RF1–RF4), precise control signal access, thermal grounding via exposed-pad vias, and a through-calibration line to quantify PCB loss - enabling accurate measurement of insertion loss, isolation, P1dB, and IP3 across 0.1–8 GHz without custom layout effort. EV1HMC344ALP3 eliminates RF interface uncertainty during switch validation.

Does the EV1HMC344ALP3 support both positive and negative logic control for the HMC344ALP3E?

No - the EV1HMC344ALP3 is designed for negative logic control as required by the HMC344ALP3E, which operates with VEE = −3 V to −5 V and control inputs referenced to VEE. The board includes test points J9 (CTLA) and J10 (CTLB) for direct negative voltage application, and its reference schematic (Figure 15) shows optional TTL-to-negative-level translation using a 74HCT04 inverter and zener clamp. EV1HMC344ALP3 does not natively support positive logic without external level-shifting circuitry.

Can the EV1HMC344ALP3 be used to evaluate hot-switching performance of the HMC344ALP3E?

Yes - the EV1HMC344ALP3 supports hot-switching evaluation within the HMC344ALP3E's specified limits: up to 22 dBm (VEE = −5 V) or 19 dBm (VEE = −3 V) when switching RF signals while powered. Its low-inductance grounding, 0 Ω jumper configuration (R1–R5), and SMA launchers minimize parasitic effects that could distort transient behavior. However, users must ensure control timing (tON/tOFF ≤ 75 ns, tRISE/tFALL ≤ 35 ns) and proper power sequencing (VEE before CTLA/CTLB) per the HMC344ALP3E datasheet to avoid ESD damage during hot-switching tests on EV1HMC344ALP3.

What is the purpose of the unpopulated J6 and J7 SMA launchers on the EV1HMC344ALP3?

J6 and J7 form a dedicated through-calibration transmission line on the EV1HMC344ALP3, placed adjacent to the main RF paths but unpopulated by default. This line matches the geometry (trace width, ground clearance, dielectric) of the active RF paths (J1–J5) and enables vector network analyzer (VNA) calibration to de-embed the intrinsic loss and phase shift of the PCB itself. By measuring S21 of J6–J7, users quantify the baseline PCB contribution and subtract it from measurements taken on the HMC344ALP3E paths - ensuring EV1HMC344ALP3 delivers accurate device-under-test (DUT) performance data.

Is the EV1HMC344ALP3 RoHS compliant and suitable for production-level qualification?

Yes - the EV1HMC344ALP3 evaluation board is RoHS compliant per Analog Devices' ordering guide, and its construction (RO4350/FR4 stack-up, controlled impedance routing, and verified grounding scheme) meets industry standards for RF evaluation. While intended for lab-based characterization rather than end-product use, its design fidelity - including thermal via patterns under the HMC344ALP3E exposed pad and SMA connector mechanical stability - supports reliability stress testing and pre-compliance verification. EV1HMC344ALP3 provides traceable, repeatable data usable in production qualification workflows for systems integrating the HMC344ALP3E.