Ultra Low Phase Noise PLL Frequency Synthesizer for Ku Band
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Satellites are crucial in global communications, necessitating widespread transceiver use. Frequency bands, carefully chosen to prevent interference, employ Phase-Locked Loops (PLLs) as synthesizers. Designing a single-chip PLL for efficient frequency multiplication is vital in today's tech landscape. Literature reveals a gap in research for the Ku band (12-18 GHz), lacking single-chip, wideband PLLs. This work introduces a 12-18 GHz charge pump-based integer-N PLL, compact at 0.076mm², designed in 0.18mim CMOS technology using Cadence Virtuoso. Achieving exceptional phase noise performance (...
Satellites are crucial in global communications, necessitating widespread transceiver use. Frequency bands, carefully chosen to prevent interference, employ Phase-Locked Loops (PLLs) as synthesizers. Designing a single-chip PLL for efficient frequency multiplication is vital in today's tech landscape. Literature reveals a gap in research for the Ku band (12-18 GHz), lacking single-chip, wideband PLLs. This work introduces a 12-18 GHz charge pump-based integer-N PLL, compact at 0.076mm², designed in 0.18mim CMOS technology using Cadence Virtuoso. Achieving exceptional phase noise performance (-122.83 dBc/Hz at 1 MHz offset), it fulfills satellite communication requirements with reduced PFD dead zones, negligible current mismatch, and impressive dynamic range. Lock-in range: 8.69 GHz, capture range: 5 MHz, demonstrating the feasibility of a fully integrated PLL chip for superior satellite applications.
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