Core & Main Inc. has closed its previously announced acquisition of ARGCO Northeast LLC, a distributor of fire protection products.

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In this paper, a GaN HEMT designed LNA with WIN 0. 15um process for 18–27 GHz (K-band) is presented. The LNA adopts a four-stage common-source structure to achieve 22.8-24.8dB gain in the full K-band.