Effects of Delay on the Hold-In and Pull-In Range of Quadrature and Binary Costas Loops for Ultrawideband Receiver Synchronization. IEEE Transactions on Microwave Theory and Techniques, 1-14, 2025. [PUMA: (BPSK);carrier (CR);Costas (PLL);pull-in (QPSK);receiver Phase downconversion;hold-in effects;Binary effects;direct frequency;Synchronization;Delay keying keying;Delays;Binary keying;Mathematical locked loop loop;delay loops;Phase models;Receivers;Filters;Radio phase range;phase-locked range;quadrature recovery shift synchronization]