Analog Devices Inc. EV1HMC862ALP3

Overview

EV1HMC862ALP3 from Analog Devices is an evaluation board designed to characterize the HMC862A wideband programmable RF frequency divider IC (N = 1, 2, 4, 8) operating from 0.1 GHz to 24 GHz. It supports differential or single-ended RF input/output, features on-board 50 Ω terminations, jumper-selectable division ratio, and a thermally optimized layout with exposed-pad grounding for the HMC862ALP3E die.

For engineers reviewing the EV1HMC862ALP3 datasheet, EV1HMC862ALP3 pinout, EV1HMC862ALP3 application, or EV1HMC862ALP3 equivalent, this board enables rapid validation of high-frequency divider performance-including phase noise (−155 dBc/Hz @ 100 kHz offset), output power stability across temperature (−40°C to +85°C), and low-current operation (81 mA at N = 8) in satellite comms, test equipment, and military radios.

Technical Context

The EV1HMC862ALP3 implements a dedicated PCB layout for the HMC862ALP3E IC in a 3 mm × 3 mm LFCSP package, with all 16 pins routed to SMA connectors (J1–J4), digital control jumpers (J5), and dual 5 V supply inputs (J6/J7). Its design incorporates broadband 100 nF ATC capacitors (C1–C5), a 2.2 µF tantalum bulk capacitor (C7), and 10 kΩ pull-up resistors (R1–R3) for reliable CMOS-level S0/S1/S2 programming.

Thermal management relies on direct soldering of the IC's exposed pad to the PCB ground plane, achieving θ_JB = 34 °C/W per Analog Devices' simulation using this board. The layout follows RF best practices: 50 Ω controlled-impedance traces, dense ground vias, and separation of analog RF paths from digital control lines to minimize coupling and preserve <−153 dBc/Hz phase noise integrity.

Key Specifications

Availability

EV1HMC862ALP3 is available at Aetrix Electronics and suitable for satellite communication systems, point-to-point radio development, and military-grade RF test equipment requiring stable component supply, repeatable high-frequency characterization, and traceable evaluation hardware.

Supply support for EV1HMC862ALP3 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 EV1HMC862ALP3 belongs to Analog Devices' RF evaluation platform family, engineered specifically to accelerate prototyping and validation of ultra-wideband frequency dividers used in next-generation radar, SATCOM, and high-speed test instrumentation.

FAQ

What is the primary function of the EV1HMC862ALP3 evaluation board?

The EV1HMC862ALP3 evaluation board is a dedicated test platform for the HMC862ALP3E programmable RF frequency divider IC. It provides full access to all 16 pins via SMA connectors and jumpers, enabling engineers to validate the device's 0.1–24 GHz operation, phase noise (−155 dBc/Hz), output power, and N = 1/2/4/8 division behavior under real-world RF conditions. The EV1HMC862ALP3 does not perform signal processing itself-it hosts and interfaces the HMC862ALP3E IC.

Does the EV1HMC862ALP3 support both differential and single-ended RF interfaces?

Yes, the EV1HMC862ALP3 supports both configurations. By default, it accepts single-ended RF input (J1) and delivers differential output (J2/J3). A differential input can be enabled by removing capacitor C5; a single-ended output is achieved by terminating J4 with a 50 Ω load. All RF paths use 50 Ω impedance-controlled traces, and internal 50 Ω terminations on the HMC862ALP3E eliminate need for external matching on IN/OUT pins.

How is the division ratio (N) configured on the EV1HMC862ALP3?

The division ratio is set using three jumpers on header J5, which control the S0, S1, and S2 digital input pins of the HMC862ALP3E. Installed jumpers pull the corresponding pin to GND (logic low); removed jumpers allow 10 kΩ pull-up resistors (R1–R3) to set logic high. Per the truth table, N = 1 requires all jumpers installed; N = 8 requires all removed. This configuration is verified in the EV1HMC862ALP3 schematic and matches the HMC862A datasheet Table 7.

What thermal design features does the EV1HMC862ALP3 incorporate for the HMC862ALP3E IC?

The EV1HMC862ALP3 uses a thermally optimized layout where the HMC862ALP3E's exposed pad is soldered directly to the PCB's internal ground plane. This achieves a simulated junction-to-board thermal resistance (θ_JB) of 34 °C/W-critical for sustaining 81 mA current draw at N = 8 without thermal derating. The board includes multiple ground vias and copper pour to maximize heat dissipation, as confirmed in Analog Devices' Thermal Resistance section (Table 4).

Can the EV1HMC862ALP3 be used to evaluate phase noise performance of the HMC862ALP3E?

Yes-the EV1HMC862ALP3 is explicitly designed for phase noise measurement. Its low-noise layout, grounded exposed pad, broadband decoupling (C1–C7), and 50 Ω matched RF paths preserve signal integrity required for accurate SSB residual phase noise assessment. Datasheet Figures 5, 11, 17, and 23 show −153 to −155 dBc/Hz results measured on this board at 100 kHz offset, validating its suitability for high-dynamic-range phase noise testing of the HMC862ALP3E.