Abstract: This article proposes a time-mode-modulation (TMM) digital quadrature power amplifier (PA), which can realize high power efficiency at power back-off (PBO) by applying the 1-bit delta–sigma ...
Abstract: Three third-order digital modulation schemes, rectangular 8-quadrature amplitude modulation (8-QAM), 8-phase shift keying (8-PSK), and star 8-QAM are compared for RF receiver-level ...
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