Combined Sidelobe Reduction and Omnidirectional Linearization of Phased Array by Using Tapered Power Amplifier Biasing and Digital Predistortion
Power amplifier (PA) efficiency and linearity are among the key drivers to reduce energy consumption while enabling high data rates in the […]
Digital Predistortion of Phased-Array Transmitter With Shared Feedback and Far-Field Calibration
Digital predistortion (DPD) of a phased array requires that multiple transmit paths must be measured by a feedback (FB) receiver (Rx). In […]
Digital predistortion of millimeter-wave phased array transmitter with over-the-air calibrated simplified conductive feedback architecture
Digital predistortion (DPD) of a phased array requires that multiple transmit paths must be measured by a feedback (FB) receiver (Rx), This […]
Two-Stage Internal DAC Mismatch Mitigation for a Continuous-Time Delta-Sigma ADC
For continuous-time multi-bit Delta-Sigma data converters, mitigating the dynamic mismatch of the multi-bit digital-to-analog converter (DAC) with the so-called ISI-shaping DAC-encoder is […]
Digital Predistortion Concepts for Linearization of mmW Phased Array Transmitters
Linearization of millimeter-wave (mmW) phased arrays is one of the key enablers for improving the system performance in terms of power, efficiency […]