Digitally Controlled Attenuator, 0.1MHz~50GHz, 0~31.75dB, 0.25dB

Qualwave has introduced a wideband digitally controlled attenuator with leading performance specifications. Its operating frequency spans from 0.1MHz to 50GHz, with an attenuation range of 0~31.75dB and a minimum step size of 0.25dB. Designed to meet the stringent demands for precise signal power control in modern microwave systems, this product provides a core solution for high-frequency applications.

Key Product Features:

Ultra-wideband operation: Continuous coverage from 0.1MHz~50GHz enables a single component to support a wide spectrum from Sub-6G and millimeter-wave to terahertz front‑ends, simplifying system design.
High-precision attenuation control: Offers a dynamic range of 0~31.75dB with a minimum step of 0.25dB, allowing industry‑leading fine power adjustment and calibration.
Excellent electrical performance: Maintains low insertion loss, superior attenuation accuracy, and low VSWR across the entire band, ensuring system signal integrity and stability.
Fast digital control: Supports TTL or serial control interfaces with high switching speed, facilitating easy integration into automated test systems and real‑time signal‑processing chains.
Robust and reliable design: Built with high‑performance MMIC or hybrid‑integrated‑circuit technology to meet environmental reliability requirements for industrial and even military applications.

Main Application Areas:

Test & measurement: Serves as a core component in vector network analyzers, signal sources, and automated test platforms for instrument calibration, device characterization, and complex signal simulation.
Communications infrastructure: Enables automatic gain control, power management, and receive‑channel protection in 5G/6G base stations, microwave backhaul, and satellite communication systems.
Defense electronic systems: Widely used in electronic warfare, radar, guidance, and other critical equipment to support signal reconnaissance, beamforming, and dynamic‑range optimization.
Scientific research & development: Provides high‑precision adjustable signal‑attenuation solutions for experimental research in cutting‑edge fields such as terahertz technology and quantum communications.

Qualwave Inc. provide broadband and high dynamic range Digitally Controlled Attenuators at frequencies up to 50GHz. The step can be 10dB and attenuation range can be 110dB.
This article introduces a Digitally Controlled Attenuator with frequency coverage of 0.1MHz~50GHz.