Analog Devices Inc. HMC8192-SX

Overview

HMC8192-SX from Analog Devices is a passive wideband I/Q MMIC mixer operating from 20–42 GHz RF/LO and DC–5 GHz IF, delivering −8.5 dB conversion loss, +22 dBm IIP3, 25 dB image rejection, and 45 dB LO–RF isolation; it serves as an image-reject downconverter or single-sideband upconverter in high-frequency test instrumentation and radar front-ends.

For engineers reviewing the HMC8192-SX datasheet, HMC8192-SX pinout, HMC8192-SX application, or HMC8192-SX equivalent, key selection criteria include its GaAs MESFET-based passive architecture, 4 mm × 4 mm 25-lead LGA package, −40°C to +85°C operation, and elimination of DC bias and IF filtering requirements.

Technical Context

The HMC8192-SX implements a monolithic 90° hybrid-coupled I/Q architecture on GaAs MESFET process, enabling simultaneous quadrature-phase signal processing without external phase-shifting networks. Its passive design eliminates DC power dependency while achieving lower noise figure than active mixers.

It supports dual-mode operation: image-reject downconversion (f_IF = f_RF − f_LO or f_LO − f_RF) and single-sideband upconversion, with RF and LO ports both rated 20–42 GHz and IF port DC–5 GHz-enabling broadband signal translation across millimeter-wave bands.

Key Specifications

Pinout & Package

The HMC8192-SX is housed in a 4 mm × 4 mm, 25-lead Land Grid Array (LGA) package with exposed die bottom for RF grounding. All ground pins (1–8, 10, 12–15, 17–23, 25) must be soldered to RF/dc ground plane; IF1/IF2 (pins 9, 11), RF (pin 16), and LO (pin 24) are dc-coupled 50 Ω ports.

Key Features

Applications

Equivalent & Alternatives

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

Compared with HMC8192-SX, HMC1048LP4CE trades Ka-band coverage for slightly lower loss in Ku-band, while HMC1113LP4E extends IF bandwidth and image rejection at the expense of LO drive level-making HMC8192-SX the balanced choice for 20–42 GHz test and radar systems requiring DC–5 GHz IF and moderate LO power.

Availability

HMC8192-SX is available at Aetrix Electronics and suitable for millimeter-wave test instrumentation, Ka-band radar receivers, and 5G FR2 conformance equipment requiring stable component supply, long-term obsolescence management, and traceable GaAs MMIC sourcing.

Supply support for HMC8192-SX 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 semiconductor leader specializing in high-performance analog, mixed-signal, and RF ICs for precision signal processing and connectivity.

The HMC8192-SX belongs to the Hittite Microwave MMIC mixer product line, designed specifically for broadband millimeter-wave communication, defense, and instrumentation systems requiring high linearity and integration without DC bias.

FAQ

Does the HMC8192-SX require DC power to operate?

No, the HMC8192-SX is a fully passive mixer fabricated using GaAs MESFET technology and contains no active transistors or bias circuitry. It operates solely on RF, LO, and IF signal energy-eliminating DC power supplies, decoupling capacitors, and associated noise sources. This characteristic makes the HMC8192-SX ideal for low-noise, high-dynamic-range applications where power integrity is critical.

What is the recommended LO drive level for optimal performance of the HMC8192-SX?

The HMC8192-SX specifies a nominal LO drive of +18 dBm, with acceptable range from +15 dBm to +22 dBm. At +18 dBm, the device achieves its typical −8.5 dB conversion loss and +22 dBm IIP3. Driving below +15 dBm increases conversion loss and degrades intermodulation performance; exceeding +22 dBm risks reliability degradation per absolute maximum ratings. Always verify LO power at the HMC8192-SX pin under matched conditions.

Can the HMC8192-SX be used for both upconversion and downconversion?

Yes, the HMC8192-SX supports bidirectional operation: as an image-reject downconverter (f_IF = f_RF − f_LO or f_LO − f_RF) and as a single-sideband upconverter (f_RF = f_LO ± f_IF). Its symmetric I/Q architecture and matched 50 Ω RF/LO/IF ports enable flexible signal routing without hardware modification-verified in Analog Devices' evaluation board documentation and functional block diagram.

Is an evaluation board available for the HMC8192-SX, and what does it include?

Yes, an official evaluation board is available for the HMC8192-SX. It is fabricated on Rogers® RO4003C laminate, includes controlled-impedance RF/LO/IF traces, SMA connectors, and dc-blocking capacitors optimized for DC–5 GHz IF operation. The board schematic, top/bottom layer layouts, and configuration options are documented in the HMC8192-SX datasheet (Rev. PrA, 2017), enabling rapid prototyping and performance validation of the HMC8192-SX in real-world mmWave systems.

What is the thermal resistance and maximum channel temperature specification for the HMC8192-SX?

The HMC8192-SX has a junction-to-die-bottom thermal resistance (R_TH) specified in its Absolute Maximum Ratings table, though exact value is marked "TBD" in the public datasheet. Its maximum channel temperature is constrained by the −40°C to +85°C operating ambient range and continuous power dissipation limit (derated above 85°C). For thermal design, ensure low-thermal-resistance mounting to a heatsink or ground plane via the exposed die bottom and all 21 ground pads-critical for sustained operation at +22 dBm LO drive.