A Phase-Modulation Phase-Shifting Phased-Array Transmitter With Phase Self-Calibration and Deep PBOs Efficiency Enhancement
Jie Zhou,
Bingzheng Yang,
Yiyang Shu
et al.
Abstract:In this article, a digital phase-modulation (PM) phase-shifting (PS) phased-array transmitter is proposed. Both PM and PS are implemented in a PS modulator. Meanwhile, a self-calibration loop is introduced in the PS modulator for improved phase linearity and minimized phase error. The phase control voltages for the PS modulator are generated from the self-calibration loop based on the output signals and reference signals. To reduce the calibration time, a capacitor-array-based state store memory is introduced … Show more
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