Abstract :
The distribution of phase and delay in corporate-fed phased arrays is examined. RMS phase errors versus scan angle are shown for digital phasers. The phaser bits should all be located at each element. The delayer bits can be also, but delayer loss, dispersion, temperature sensitivity, and size mitigate against using so many delayers. Alternative topologies, where delay bits are distributed in the corporate feed, are examined
Keywords :
antenna feeds; antenna phased arrays; antenna radiation patterns; delays; linear antenna arrays; RMS phase errors; antenna pattern; corporate-fed phased arrays; delay distribution; digital phasers; dispersion; linear antenna array; loss; phase distribution; scan angle; size; temperature sensitivity; Antenna arrays; Antenna feeds; Bandwidth; Circuit topology; Delay effects; Delay lines; Frequency; Phased arrays; Quantization; Temperature sensors;
