Analog Devices Inc. EV1HMC557ALC4

Overview

EV1HMC557ALC4 from Analog Devices is a GaAs MMIC fundamental double-balanced mixer evaluation board for the HMC557ALC4 IC, supporting RF/LO frequency ranges from 2.5 GHz to 7.0 GHz and IF bandwidth from DC to 3 GHz. It enables upconversion and downconversion with 8 dB typical conversion loss, 50 dB LO-to-RF isolation, and 18 dBm input IP3 - validated in test equipment and point-to-point radio applications.

For engineers reviewing the EV1HMC557ALC4 datasheet, EV1HMC557ALC4 pinout, EV1HMC557ALC4 application, or EV1HMC557ALC4 equivalent, this evaluation board provides verified RF layout, SMA interface compatibility, thermal grounding via exposed pad, and direct integration path for HMC557ALC4-based transceiver designs requiring broadband microwave mixing performance.

Technical Context

The EV1HMC557ALC4 implements the HMC557ALC4 GaAs MMIC mixer on a Rogers 4350B PCB with controlled-impedance 50 Ω microstrip traces, three Johnson SMA connectors (J1 = RF, J2 = LO, J3 = IF), and optimized ground via stitching. Its design enforces RF/dc grounding of all GND pins and the exposed thermal pad per HMC557A's absolute maximum ratings and pin configuration requirements.

This board operates as a plug-and-play platform for characterizing mixer linearity (IP2/IP3), conversion loss vs. temperature (−40°C to +85°C), sideband selectivity (USB/LSB), and spurious suppression across full 2.5–7.0 GHz RF/LO bands - with no external biasing or matching components required due to the passive, dc-coupled architecture of the underlying HMC557ALC4 die.

Key Specifications

Availability

EV1HMC557ALC4 is available at Aetrix Electronics and suitable for microwave transceiver development, RF test instrumentation calibration, and military communications system prototyping requiring stable component supply and traceable evaluation hardware.

Supply support for EV1HMC557ALC4 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 precision instrumentation, communications, and defense markets since 1965.

The EV1HMC557ALC4 belongs to Analog Devices' RF & Microwave Evaluation Platform family, designed to accelerate time-to-test for GaAs and SiGe MMIC mixers, amplifiers, and modulators in 2–40 GHz systems.

FAQ

What is the purpose of the EV1HMC557ALC4 evaluation board?

The EV1HMC557ALC4 is a fully assembled evaluation platform for the HMC557ALC4 GaAs MMIC mixer. It provides immediate RF characterization capability using standard SMA connectors (J1 = RF, J2 = LO, J3 = IF), pre-optimized Rogers 4350B PCB layout, and proper grounding per the IC's datasheet - eliminating the need for custom RF board design during early-stage mixer validation. The EV1HMC557ALC4 enables rapid measurement of conversion loss, isolation, IP3, and sideband performance across 2.5–7.0 GHz.

Does the EV1HMC557ALC4 require external power or biasing?

No, the EV1HMC557ALC4 requires no external power or biasing because it hosts the passive HMC557ALC4 double-balanced mixer IC. All ports (RF, LO, IF) are dc-coupled and 50 Ω matched, allowing direct connection to signal sources and analyzers. The only electrical requirement is proper RF grounding of the exposed pad and GND pins - implemented via multiple vias to internal ground planes on the EV1HMC557ALC4 board.

Which frequency bands does the EV1HMC557ALC4 support for upconversion and downconversion?

The EV1HMC557ALC4 supports both upconversion and downconversion across the full 2.5 GHz to 7.0 GHz RF/LO range of the HMC557ALC4, with verified performance in 2.5–5.0 GHz and 5.0–7.0 GHz sub-bands. It maintains <10.5 dB conversion loss, >37 dB LO-to-RF isolation, and >14 dBm IP3 across both bands - confirmed by datasheet Figures 7–82 under varying LO drive (9–17 dBm) and temperature (−40°C to +85°C).

Can the EV1HMC557ALC4 be used for both upper and lower sideband selection?

Yes, the EV1HMC557ALC4 supports both upper sideband (USB) and lower sideband (LSB) operation, as demonstrated in the HMC557A datasheet's dedicated performance sections (Figures 29–46 for downconversion, 68–82 for upconversion). Sideband selection is determined solely by the relative phase and frequency relationship between RF and LO inputs - no hardware modification to the EV1HMC557ALC4 is needed. Performance metrics including conversion gain, IP3, and P1dB are characterized separately for each mode.

What is the PCB material and construction of the EV1HMC557ALC4?

The EV1HMC557ALC4 uses Rogers 4350B laminate (ε_r = 3.66, tan δ = 0.0037), a high-frequency RF substrate specified in HMC557A datasheet Table 5. It features controlled-impedance 50 Ω microstrip routing, full ground plane layers, dense via stitching for ground integrity, and three edge-mounted Johnson SMA connectors. The bare PCB is identified as part number 118703, and the populated board integrates the HMC557ALC4 in its 24-terminal ceramic leadless chip carrier package.