Analog Devices Inc. HMC292LC3BTR-R5

Overview

HMC292LC3BTR-R5 from Analog Devices (formerly Hittite Microwave) is a GaAs MMIC passive double-balanced mixer operating from 16 to 30 GHz RF/LO and DC–8 GHz IF, with +20 dBm input IP3, 40 dB LO/RF isolation, and no DC bias required. It serves as an upconverter or downconverter in millimeter-wave radio transceivers without external matching components.

For engineers reviewing the HMC292LC3BTR-R5 datasheet, HMC292LC3BTR-R5 pinout, HMC292LC3BTR-R5 application, or HMC292LC3BTR-R5 equivalent, key selection criteria include its 12-lead 3×3 mm ceramic SMT package, Class 1C 1000V ESD rating, wide IF bandwidth supporting DC-coupled baseband, and operation at LO drive levels ≥+9 dBm across full RF band.

Technical Context

The HMC292LC3BTR-R5 employs optimized balun structures to achieve high LO-to-RF and LO-to-IF suppression, enabling clean signal translation in both upconversion and downconversion modes. Its passive architecture eliminates DC bias circuitry and supports broadband operation without external tuning elements.

It delivers consistent conversion loss (8–12.5 dB) and noise figure (8–12.5 dB) across temperature (−40°C to +85°C) and LO drive (+9 to +15 dBm), with spurious outputs suppressed to ≤−47 dBc (e.g., 2LO−RF) under typical two-tone conditions at 22 GHz RF and 21 GHz LO.

Key Specifications

Pinout & Package

12-lead leadless ceramic SMT package (3×3 mm, 9 mm²) with exposed ground paddle; alumina body, gold-over-nickel plating; MSL3 rated; requires soldering all ground leads and paddle to PCB RF ground.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar passive mixer applications.

Compared with HMC1048LP3E and QPC1006, the HMC292LC3BTR-R5 delivers the best balance of Ka-band RF coverage, DC–8 GHz IF bandwidth, and compact 3×3 mm footprint-making it the preferred choice for space-constrained, wideband millimeter-wave radios where LO drive ≥+9 dBm is available.

Availability

HMC292LC3BTR-R5 is available at Aetrix Electronics and suitable for point-to-point radios, VSAT terminals, and millimeter-wave test equipment requiring stable component supply, controlled ESD handling, and repeatable RF performance across temperature.

Supply support for HMC292LC3BTR-R5 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 maintains its high-frequency RF portfolio, specializing in GaAs and GaN MMICs for defense, communications, and instrumentation.

The HMC292LC3BTR-R5 belongs to Hittite's legacy passive mixer product line, designed specifically for Ka-band wireless infrastructure and electronic warfare systems demanding high isolation, wide IF bandwidth, and zero-bias operation.

FAQ

What is the recommended LO drive level for optimal performance of the HMC292LC3BTR-R5?

The HMC292LC3BTR-R5 operates optimally with LO drive between +9 dBm and +15 dBm. At +13 dBm, it achieves typical conversion loss of 9.5 dB and input IP3 of +20 dBm. Drive below +9 dBm increases conversion loss and degrades linearity; above +15 dBm risks exceeding absolute maximum ratings. The HMC292LC3BTR-R5 does not require DC bias, simplifying LO amplifier interface design.

Can the HMC292LC3BTR-R5 be used for DC-coupled IF operation?

Yes, the HMC292LC3BTR-R5 supports true DC-coupled IF operation on Pin 5 (IF). However, the device must not source or sink more than ±2 mA through this pin to avoid non-function or permanent damage. For AC-coupled applications, a series capacitor sized for the target IF band (e.g., 100 pF for 1–8 GHz) is recommended. The HMC292LC3BTR-R5's DC–8 GHz IF bandwidth enables baseband I/Q architectures without high-pass filtering.

What grounding requirements apply to the HMC292LC3BTR-R5 package?

All ground pins (1, 3, 4, 6, 7, 9) and the exposed ground paddle must be soldered directly to a low-impedance RF ground plane on the PCB. At least eight thermal vias (0.3 mm diameter, spaced ≤1 mm apart) are recommended under the paddle to ensure thermal resistance ≤250 °C/W and maintain junction temperature below 150 °C. Failure to ground the paddle compromises RF performance and thermal reliability of the HMC292LC3BTR-R5.

Does the HMC292LC3BTR-R5 require external matching components?

No, the HMC292LC3BTR-R5 requires no external matching components. Its RF, LO, and IF ports are internally matched to 50 Ω across their specified frequency ranges (16–30 GHz, 16–30 GHz, and DC–8 GHz respectively). This eliminates discrete baluns, transformers, or stubs, reducing bill-of-materials and layout complexity. The HMC292LC3BTR-R5 achieves this via monolithic GaAs MMIC balun integration and optimized transmission line design.

How does the HMC292LC3BTR-R5 handle spurious responses in multi-tone environments?

The HMC292LC3BTR-R5 suppresses major spurs such as 2LO−RF to ≤−47 dBc and 2RF−LO to ≤−64 dBc under two-tone testing (−10 dBm each, 1 MHz spacing) at 22 GHz RF and 21 GHz LO. Its double-balanced topology inherently cancels even-order harmonics, while optimized balun symmetry minimizes third-order intermodulation. System-level spur performance depends on LO purity and IF filtering, but the HMC292LC3BTR-R5 provides predictable, measured suppression data across its full band.