Analog Devices Inc. HMC8192LG

Overview

HMC8192LG from Analog Devices is a passive, wideband I/Q mixer operating from 20 GHz to 42 GHz RF/LO and dc to 5 GHz IF, delivering 9 dB typical conversion loss (20–32 GHz), 25 dBc typical image rejection, and 12 dB typical noise figure. It functions as an image-reject downconverter or single-sideband upconverter in microwave front-ends requiring high-frequency agility and minimal external filtering.

For engineers reviewing the HMC8192LG datasheet, HMC8192LG pinout, HMC8192LG application, or HMC8192LG equivalent, this device addresses critical RF design needs in test instrumentation, radar receivers, and point-to-point radio systems where wide instantaneous bandwidth, excellent LO isolation (>42 dB), and phase/amplitude balance (±8°, ±1 dB) directly impact signal fidelity and dynamic range.

Technical Context

The HMC8192LG integrates GaAs MESFET-based passive mixer cells with an on-die 90° hybrid to enable inherent I/Q architecture-eliminating need for external image-reject filters. Its dc-coupled IF ports (IF1/IF2) support baseband and low-IF operation, while ac-coupled RF and LO inputs are matched to 50 Ω.

Operating over −40°C to +85°C, it requires no DC bias and achieves >55 dBm input IP2 and 24 dBm input IP3 (20–32 GHz), enabling high-linearity downconversion without active gain stages. Performance remains stable across temperature and LO drive (16–20 dBm), with consistent RF return loss (12 dB) and IFx return loss (20 dB).

Key Specifications

Pinout & Package

Exposed pad, 4.00 mm × 4.00 mm, 25-terminal LGA_CAV package; EPAD must be connected to RF/dc ground per layout guidelines.

Key Features

Applications

Equivalent & Alternatives

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

Compared with HMC1048LC4 and ADMV1013, the HMC8192LG uniquely delivers Ka-band coverage (20–42 GHz) with passive performance-no DC power, 12 dB noise figure, and 55 dBm IP2-making it optimal for high-dynamic-range, low-SWaP microwave receivers where thermal management and signal purity are critical.

Availability

HMC8192LG is available at Aetrix Electronics and suitable for test instrumentation, military radar systems, and microwave point-to-point base stations requiring stable component supply across extended temperature ranges and high-frequency performance consistency.

Supply support for HMC8192LG 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 HMC8192LG belongs to Analog Devices' Hittite Microwave MMIC product line, engineered specifically for broadband microwave and millimeter-wave signal conditioning in demanding defense and test applications.

FAQ

What is the operating temperature range for the HMC8192LG?

The HMC8192LG operates over −40°C to +85°C ambient temperature. Its GaAs MESFET process and LGA_CAV package ensure stable RF performance-including conversion loss, image rejection, and IP3-across this full industrial range, validated by characterization data in Figures 7–17 and 40–61 of the datasheet.

Does the HMC8192LG require DC power to operate?

No, the HMC8192LG is a passive mixer and requires no DC power supply. It relies solely on LO drive (16–20 dBm) to enable mixing action. This eliminates power-related noise sources, contributing to its 12 dB typical noise figure and simplifying thermal design in compact RF modules.

Can the HMC8192LG be used for both upconversion and downconversion?

Yes, the HMC8192LG supports both modes: as an image-reject downconverter (RF→IF) and as a single-sideband upconverter (IF→RF). Datasheet Sections "Downconverter Performance" (pp. 7–16) and "Upconverter Performance" (pp. 17–25) confirm verified operation across 20–42 GHz RF with dc–5 GHz IF in either direction.

What is the recommended LO drive level for optimal HMC8192LG performance?

The HMC8192LG is characterized at 18 dBm LO drive, delivering best-in-class image rejection (25 dBc) and IP3 (24 dBm) in the 20–32 GHz band. Operation remains functional from 16–20 dBm, though conversion loss increases ~1 dB at 16 dBm and IP3 degrades ~2 dB at 20 dBm per Tables 1 and 2.

How is thermal management handled for the HMC8192LG?

Thermal management relies on the exposed pad (EPAD), which must be soldered to a solid RF/dc ground plane with ≥4×4 thermal vias. With θJC = 139°C/W, proper PCB layout keeps junction temperature below 175°C even at max 647 mW dissipation-critical for sustained operation in radar and test equipment enclosures.