Analog Devices Inc. EVAL01-HMC1041LC4

Overview

EVAL01-HMC1041LC4 from Hittite Microwave Corporation is an evaluation PCB designed specifically for the HMC1041LC4 GaAs MMIC I/Q mixer, supporting RF/LO operation from 17–27 GHz and IF bandwidth DC–3.5 GHz. It enables characterization of image rejection (36 dB typ), LO-to-RF isolation (45 dB typ), and high input IP3 (+20 dBm typ) in both image-reject mixer and single-sideband upconverter configurations.

For engineers reviewing the EVAL01-HMC1041LC4 datasheet, EVAL01-HMC1041LC4 pinout, EVAL01-HMC1041LC4 application, or EVAL01-HMC1041LC4 equivalent, this board provides validated RF layout, SMA interface routing (J1–J4), and direct-mount compatibility with the 24-lead 4×4 mm HMC1041LC4 IC on Rogers 4350 substrate - critical for millimeter-wave transceiver prototyping and production validation.

Technical Context

The EVAL01-HMC1041LC4 is a dedicated evaluation platform for the HMC1041LC4 I/Q mixer, integrating matched 50 Ω RF/LO traces, DC-coupled IF paths (IF1/IF2), and grounded paddle soldering provisions per the IC's thermal and RF grounding requirements. Its layout implements best practices for GaAs MMIC evaluation: minimal stub length, dense ground vias, and controlled-impedance routing aligned to the HMC1041LC4's 17–27 GHz operating band.

It supports both downconversion (image-reject mode) and upconversion (SSB mode) testing using external 90° hybrids, with IF output at 1000 MHz (USB) or 2000/2500 MHz variants confirmed across temperature and LO drive levels (+13 to +17 dBm). The board accommodates full characterization of amplitude/phase balance (±0.5 dB / ±2.5° typ) and conversion gain variation over –40°C to +85°C.

Key Specifications

Availability

EVAL01-HMC1041LC4 is available at Aetrix Electronics and suitable for point-to-point radio development, military communications prototyping, and test equipment calibration requiring stable component supply and traceable RF evaluation hardware.

Supply support for EVAL01-HMC1041LC4 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

Hittite Microwave Corporation (acquired by Analog Devices in 2014) specialized in high-frequency RFICs and MMICs for defense, aerospace, and wireless infrastructure applications.

The EVAL01-HMC1041LC4 belongs to Hittite's evaluation board product line, engineered to accelerate design-in of their broadband I/Q mixers by providing production-grade RF layout, calibrated performance, and immediate plug-and-play validation capability.

FAQ

What is the primary function of the EVAL01-HMC1041LC4 evaluation board?

The EVAL01-HMC1041LC4 evaluation board is a purpose-built platform for characterizing the HMC1041LC4 GaAs MMIC I/Q mixer. It enables precise measurement of image rejection, conversion gain, LO isolation, and IP3 across its 17–27 GHz RF/LO range and DC–3.5 GHz IF bandwidth - with validated RF layout, SMA interfaces, and thermal grounding per the IC's datasheet requirements.

Does the EVAL01-HMC1041LC4 support both image-reject mixer and SSB upconverter modes?

Yes, the EVAL01-HMC1041LC4 supports both operational modes of the HMC1041LC4. It provides access to all required ports (RF, LO, IF1, IF2) and grounding provisions needed to configure the device as an image-reject mixer (IRM) or single-sideband upconverter (SSBU), including external 90° hybrid integration points as specified in the HMC1041LC4 application notes.

What PCB material is used in the EVAL01-HMC1041LC4 and why is it selected?

The EVAL01-HMC1041LC4 uses Rogers 4350 substrate, chosen for its stable dielectric constant (ε_r ≈ 3.48), low loss tangent, and consistent RF performance up to 27 GHz. This material ensures accurate impedance control (50 Ω), minimal signal dispersion, and reliable thermal dissipation - essential for validating the HMC1041LC4's mmWave mixer performance without parasitic degradation.

How are the ground connections implemented on the EVAL01-HMC1041LC4 for optimal RF performance?

The EVAL01-HMC1041LC4 implements RF grounding per HMC1041LC4 requirements: the exposed ground paddle and GND pins (3, 5, 8, 14, 16) are connected to internal/external ground planes via ≥12 thermal vias. All N/C pins (1, 2, 6, 7, 10, 12, 13, 17–24) are externally grounded, minimizing parasitic inductance and ensuring repeatable 17–27 GHz measurement accuracy on the EVAL01-HMC1041LC4.

Is the EVAL01-HMC1041LC4 compatible with standard lab test equipment?

Yes, the EVAL01-HMC1041LC4 features industry-standard SMA connectors (J1–J4) for direct connection to vector network analyzers, spectrum analyzers, and signal generators. Its 50 Ω matched RF/LO paths and accessible IF ports allow full small-signal and large-signal characterization of the HMC1041LC4 without custom adapters or impedance-matching networks on the EVAL01-HMC1041LC4.