Analog Devices Inc. EV1HMC346ALC3B

Overview

EV1HMC346ALC3B from Analog Devices is an evaluation board for the HMC346ALC3B GaAs MMIC voltage-variable attenuator, supporting DC–18 GHz RF signal conditioning with 30 dB analog attenuation range, low phase shift vs. attenuation, and single-voltage (0 to –5 V) control. It enables rapid prototyping of test instrumentation, microwave radio, and fiber-optic front-ends.

For engineers reviewing the EV1HMC346ALC3B datasheet, EV1HMC346ALC3B pinout, EV1HMC346ALC3B application, or EV1HMC346ALC3B equivalent, this evaluation platform provides validated RF layout, SMA connectors, and direct-mount support for the 12-terminal ceramic LLC package of the HMC346ALC3B attenuator IC under real-world bias and thermal conditions.

Technical Context

The EV1HMC346ALC3B is a dedicated evaluation PCB designed exclusively for the HMC346ALC3B absorptive VVA IC. It implements proper 50 Ω RF routing, exposed-pad grounding, and DC bias delivery via discrete SMA jacks (J3–J7), matching the IC's absolute max ratings (–6 V control, +18 dBm RF input, –40°C to +85°C operation).

Its Rogers 4350 substrate ensures stable high-frequency performance up to 18 GHz, while the layout adheres to RF best practices: ground plane continuity beneath the IC's exposed paddle, minimal trace discontinuities at J1/J2 SMA interfaces, and isolation between RF and control paths to preserve linearity (IP3 > +30 dBm at minimum attenuation).

Key Specifications

Availability

EV1HMC346ALC3B is available at Aetrix Electronics and suitable for RF test instrumentation development, microwave radio transceiver validation, and fiber-optic module qualification requiring stable component supply and pre-validated high-frequency layout.

Supply support for EV1HMC346ALC3B 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 EV1HMC346ALC3B belongs to Analog Devices' RF evaluation platform family, engineered to accelerate design-in of GaAs MMIC attenuators by delivering production-grade RF layout, thermal integrity, and interface fidelity for the HMC346ALC3B IC.

FAQ

What is the primary function of the EV1HMC346ALC3B evaluation board?

The EV1HMC346ALC3B evaluation board is a purpose-built RF test platform for the HMC346ALC3B voltage-variable attenuator IC. It provides SMA-connected RF input/output, discrete DC control access, and optimized Rogers 4350 layout to enable accurate insertion loss, return loss, and IP3 measurements across DC–18 GHz without custom PCB development. The EV1HMC346ALC3B validates real-world performance under specified bias and thermal conditions.

Does the EV1HMC346ALC3B include the HMC346ALC3B IC mounted on board?

Yes, the EV1HMC346ALC3B includes the HMC346ALC3B IC pre-mounted and soldered to the evaluation PCB. The IC is housed in its native 12-terminal ceramic leadless chip carrier (LLC) package with the exposed paddle fully connected to the PCB ground plane per Analog Devices' recommended layout guidelines. No additional assembly is required to begin RF characterization.

What RF connector type is used on the EV1HMC346ALC3B?

The EV1HMC346ALC3B uses standard PCB-mount SMA connectors (J1 and J2) for RF input and output. These are 50 Ω impedance-matched, rated for DC–18 GHz operation, and positioned to minimize launch discontinuity. Their placement and grounding follow RF layout best practices to ensure measurement accuracy when connected to vector network analyzers or signal generators.

Can the EV1HMC346ALC3B be used for automated test equipment (ATE) integration?

Yes, the EV1HMC346ALC3B supports ATE integration via its accessible DC control pins (J3–J7), which map directly to the HMC346ALC3B's V1, V2, and I terminals. Its stable RF performance up to 18 GHz, repeatable thermal behavior, and SMA interface allow seamless integration into automated RF test systems for parametric sweeps of attenuation vs. control voltage, phase shift, and compression point.

Is the EV1HMC346ALC3B RoHS compliant and MSL-rated?

Yes, the EV1HMC346ALC3B evaluation board complies with RoHS Directive 2011/65/EU. Its populated HMC346ALC3B IC carries MSL3 rating (per JEDEC J-STD-020), with peak reflow temperature tolerance of 260 °C. The board itself uses lead-free solder and RoHS-compliant substrate and finish, ensuring compatibility with modern surface-mount assembly processes.