Analog Devices Inc. HMC1063LP3ETR

Overview

HMC1063LP3ETR from Analog Devices (formerly Hittite Microwave) is a GaAs MMIC I/Q mixer designed for 24–28 GHz RF systems, functioning as either an image-reject mixer or single-sideband upconverter. It delivers 21 dBc image rejection, −9.5 dB typical conversion gain, and +17 dBm input IP3 at 10 dBm LO drive, with DC–3 GHz IF bandwidth. It serves in millimeter-wave point-to-point radios and satellite communication front-ends.

For engineers reviewing the HMC1063LP3ETR datasheet, HMC1063LP3ETR pinout, HMC1063LP3ETR application, or HMC1063LP3ETR equivalent, key selection criteria include its 24–28 GHz RF range, 16-pin 3×3 mm SMT package, LSB/USB sideband suppression performance, LO-to-RF isolation of 42 dB, and compatibility with surface-mount manufacturing without wire bonding.

Technical Context

The HMC1063LP3ETR integrates two double-balanced GaAs Schottky diode mixer cells and an on-die 90° hybrid to enable intrinsic quadrature signal processing. Its architecture supports both downconversion (RF→IF) and upconversion (IF→RF) modes with external IF hybrid configuration.

It operates with a fixed 1000 MHz LSB IF output when used as an image-reject mixer, and achieves DC–3 GHz IF bandwidth in upconverter mode. LO drive requirement is low at +10 dBm, and thermal design is enabled by a thermally enhanced exposed paddle with 164 °C/W channel-to-ground thermal resistance.

Key Specifications

Pinout & Package

Package: 16-lead 3×3 mm leadless Pb-free SMT package (MSL1, RoHS-compliant), with exposed ground paddle requiring soldering to PCB RF ground plane.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar I/Q mixer applications.

Compared with HMC1063LP3ETR, HMC1047LP3E trades RF bandwidth extension for reduced image rejection and gain, while QM11024 offers superior image suppression in a larger package-making HMC1063LP3ETR optimal for space-constrained E-band systems needing balanced performance.

Availability

HMC1063LP3ETR is available at Aetrix Electronics and suitable for point-to-point radio, satellite communications, and military radar applications requiring stable component supply across extended temperature ranges and high-frequency reliability.

Supply support for HMC1063LP3ETR 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 acquired Hittite Microwave in 2014 and continues its legacy of high-performance RF/mmWave ICs for defense, aerospace, and communications markets.

The HMC1063LP3ETR belongs to Hittite's GaAs MMIC I/Q mixer product line, engineered specifically for compact, high-linearity E-band transceivers where integration, thermal efficiency, and sideband purity are critical.

FAQ

What is the recommended LO drive level for optimal performance of the HMC1063LP3ETR?

The HMC1063LP3ETR is characterized at +10 dBm LO drive, delivering −9.5 dB typical conversion gain and 21 dBc image rejection. Lower LO power degrades conversion gain and image rejection; higher levels increase distortion. Operation outside +8 to +12 dBm requires verification against the datasheet's LO drive vs. performance curves. The HMC1063LP3ETR performs best when driven precisely at +10 dBm across its 24–28 GHz RF band.

Can the HMC1063LP3ETR operate with DC-coupled IF outputs?

Yes, the HMC1063LP3ETR supports DC-coupled IF operation on Pins 7 (IF2) and 14 (IF1), but total DC current sourced or sunk per pin must not exceed ±3 mA to prevent malfunction or damage. For AC-coupled applications, external DC blocking capacitors are recommended. This capability enables direct connection to baseband ADCs or I/Q demodulators without level-shifting circuitry, preserving signal integrity in zero-IF architectures.

What is the thermal management requirement for the HMC1063LP3ETR?

The HMC1063LP3ETR features an exposed ground paddle with 164 °C/W thermal resistance. To maintain junction temperature ≤175 °C, the paddle must be soldered to a solid PCB ground plane using ≥9 thermal vias (0.3 mm diameter, spaced ≤1 mm apart). At 85 °C ambient, maximum continuous dissipation is 550 mW; derating is 6 mW/°C above that. Proper thermal design ensures stable conversion gain and IP3 over −40°C to +85°C operation.

Does the HMC1063LP3ETR require an external 90° hybrid for I/Q operation?

No-the HMC1063LP3ETR integrates a monolithic 90° hybrid for internal quadrature generation. However, external IF hybrids are used in evaluation setups to optimize sideband rejection beyond the on-die capability. When used as an image-reject mixer, the HMC1063LP3ETR achieves 21 dBc rejection without external hybrids; adding one can improve rejection to >30 dBc in calibrated systems. The HMC1063LP3ETR's self-contained architecture eliminates discrete hybrid components in most standard implementations.

What are the absolute maximum ratings for RF and LO inputs on the HMC1063LP3ETR?

The HMC1063LP3ETR has absolute maximum ratings of +13 dBm for RF input (at +10 dBm LO), +14.5 dBm for LO input (at −10 dBm RF), and +11.5 dBm for IF input. Exceeding these risks permanent damage. These limits assume proper thermal management and grounding. The device is ESD-sensitive (HBM Class 1A), requiring strict handling precautions. Operating near these limits degrades long-term reliability-design margins should keep sustained RF/LO inputs ≥3 dB below absolute maxima.