How to Characterize Low-Noise Amplifiers

White Paper

System developers depend on low-noise amplifiers (LNAs) across various applications, including wireless communications, sensor networks, navigation satellites, and radio telescopes. These LNAs amplify low-power signals while maintaining a high system signal-to-noise ratio (SNR). Along with common amplifier considerations like gain and linearity, LNAs must offer low noise figure functionality to preserve signal quality and system sensitivity.

A low-noise amplifier’s performance impacts receiver quality and reliability more than any other component, making it critical for cellular-end equipment, base stations, wireless local area networks (Wi-Fi), and aviation and satellite communication systems. Testing receivers operating in the FR1 and FR2 frequency bands requires accuracy and repeatability to ensure conformance with the latest standards. However, convoluted conventional active device measurement setups require multiple instruments.

In this white paper, learn how the flexible hardware and advanced software capabilities of the ENA-X network analyzer simplify a low-noise amplifier’s performance characterization while improving measurement accuracy and repeatability.

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How to Characterize Low-Noise Amplifiers

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