company blog about Qorvo AWMF-0197 K-Band Quad Core Rx Beamformer For Satellite Communications Applications

Shenzhen Mingjiada Electronics Co., Ltd. supplies and recycles the Qorvo AWMF-0197 K-band quad-core receiver beamformer, suitable for satellite communications applications.

I. AWMF-0197 Product Overview

The AWMF-0197 is Qorvo’s second-generation, highly integrated, silicon-based, quad-core 4×2 K-band receive beamformer chip, specifically designed for LEO/MEO/GEO multi-orbit satellite communications (SATCOM). It operates in the 17.7–21.2 GHz frequency band and is suitable for satellite downlink reception. The device integrates four dual-polarisation receive channels onto a single chip, combining RF functions such as low-noise amplification, digitally controlled phase shifting, digitally controlled gain adjustment and polarisation control into a single unit. This significantly simplifies the hardware design of active planar phased array antennas, making it the core RF chip for in-flight communication and lightweight flat-panel satellite terminals.

The chip operates on a single +1.2 V low-voltage power supply and utilises a wafer-level chip-scale package (WLCSP), resulting in a compact form factor that allows it to be directly embedded within the antenna radiation element grid. This meets the requirements for ultra-thin, flat-panel antennas in terms of miniaturisation and lightweight design, and provides extensive support for the development of satellite-to-ground broadband reception, as well as mobile satellite communication terminals for vehicles, vessels and aircraft.

II. AWMF-0197 Core Architecture and Key Features

1. 4×2 Quad-Core Dual-Polarisation Channel Architecture

A single chip drives four sets of dual-polarisation radiating elements, supporting flexible switching between horizontal/vertical linear polarisation, left-hand circular polarisation (LHCP) and right-hand circular polarisation (RHCP). It adapts to the polarisation specifications of different satellite systems and offers strong array scalability, enabling the construction of large-scale phased arrays through the cascading of multiple chips.

2. High-Precision Digital Beam Control

6-bit digital phase control: enables fine-tuned beam pointing adjustment, ensures rapid beam switching, and meets the high-speed tracking requirements for low-Earth orbit satellites;

5-bit digital gain control: ensures channel amplitude balancing, optimises array sidelobe levels, and improves the received signal-to-noise ratio;

Built-in temperature-adaptive gain compensation circuitry suppresses gain drift across a wide temperature range; an integrated on-chip temperature sensor reports the chip’s operating temperature in real time, facilitating closed-loop system monitoring and fault diagnosis.

3. High Integration Simplifies System BOM

An internal low-noise amplifier (LNA) unit is integrated into the receive chain, eliminating the need for an external standalone LNA in most scenarios; all pins feature built-in ESD protection, enhancing environmental reliability in mass-produced terminals; A standardised digital control interface facilitates beam configuration, polarisation switching and status readback by the host controller.

4. Packaging and Power Supply Advantages

WLCSP (wafer-level chip-scale packaging) offers a low profile, making it suitable for conformal and ultra-thin flat-panel antennas; operates at a low voltage of 1.2 V, reducing overall power consumption and meeting the power supply constraints of automotive, airborne and portable satellite terminals.

III. AWMF-0197 Key Parameters at a Glance

Model: AWMF-0197

Function: Receive Beamformer (Rx Beamformer)

Operating Frequency Band: 17.7 GHz–21.2 GHz (K-band)

Channel Configuration: 4 channels, dual-polarisation input per channel (4×2 architecture)

Phase Resolution: 6-bit

Gain Control: 5-bit

Supply Voltage: +1.2 V DC

Package: WLCSP (Wafer-Level Chip-Scale Packaging)

Complementary Reference Device: AWMF-0198 (Ka-band transmit beamformer; can be paired with the AWMF-0197 to form a complete satellite-to-ground terminal RF front-end)

IV. Typical Application Scenarios for the AWMF-0197

LEO/MEO/GEO satellite flat-panel receiving phased array antennas

Vehicle-, ship- and aircraft-mounted Satellite-to-Moving-Target (SOTM) satellite communication ground terminals

Portable, lightweight satellite broadband receiving stations

Miniaturised on-board payload receiving arrays (ground validation systems)

Aviation broadband satellite internet user terminals

V. Value Proposition of the AWMF-0197 Solution

Traditional phased array solutions involve numerous discrete components, complex wiring and difficult debugging. The AWMF-0197, with its single-chip quad-core integrated solution, offers three key advantages:

Hardware simplification: Reduces the number of RF components, shortens antenna feedlines and lowers transmission losses;

Easy array scalability: Standardised unit chips and modular stacking support mass production ranging from small-scale experimental arrays to large-capacity commercial antennas;

Rapid Beam Tracking: High-precision digital phase shifting combined with wide-temperature stability enables continuous dynamic tracking and automatic alignment of low-Earth orbit satellites;

Reduced Terminal Costs: Simplified PCB layout and reduced assembly processes facilitate the commercialisation of consumer-grade flat-panel satellite antennas.

VI. Summary of AWMF-0197

As Qorvo’s second-generation K-band satellite reception beamforming flagship product, the AWMF-0197, with its comprehensive dual-polarisation support, high-precision beam control and low-power, miniaturised packaging, has become the preferred RF core for a new generation of active flat-panel satellite receiving antennas. When combined with transmit-side beamforming devices to form a complete transmit-receive phased array system, it is fully compatible with global low-, medium- and geostationary orbit satellite communications markets, enabling comprehensive mobile broadband satellite interconnection solutions.