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Abstract: This paper presents a two-channel (I+Q) variable gain amplifier (VGA) for low power 60-GHz wireless receiver. The VGA consists of four-stage gain cells, an efficient DC-offset cancelling ...

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Abstract: This paper proposes a novel design methodology for high-efficiency Doherty power amplifier (DPA) by leveraging harmonic control and hybrid optimization techniques, the proposed approach ...

The SGLT2 inhibitor empagliflozin did not lower the risk of a first hospitalization for heart failure (HF) or death from any cause among patients with an increased risk for HF following acute ...

Cellular signal boosters use big antennas to improve the coverage in your home or car. These are the top signal boosters for apartments, houses, and vehicles. I’m one of PCMag’s mobile writers. That ...

Although ham radio offers a wide array of bands to transmit on, not to mention plenty of modes to communicate with, not everyone wants or needs to use all of this capability. For those needing simple ...