LOW NOISE AMPLIFIERS WITH LOW NOISE FIGURE

Low noise amplifiers (LNAs) with low noise figure are provided. In certain embodiments, an LNA includes a single-ended LNA stage including an input for receiving a single-ended input signal from an antenna and an output for providing a single-ended amplified signal, a balun for converting the single...

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Bibliographische Detailangaben
Hauptverfasser: Yu, Haoran, Lin, Nan Sen, Jiang, Kai, Babcock, Gregory Edward, Sarbishaei, Hassan, Jain, Sanjeev
Format: Patent
Sprache:eng
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Zusammenfassung:Low noise amplifiers (LNAs) with low noise figure are provided. In certain embodiments, an LNA includes a single-ended LNA stage including an input for receiving a single-ended input signal from an antenna and an output for providing a single-ended amplified signal, a balun for converting the single-ended amplified signal to a differential signal, and a variable gain differential amplification stage for amplifying the differential signal from the balun. Implementing the LNA in this manner provides low noise figure, high gain, flexibility in controlling gain, and less sensitivity to ground/supply impedance.