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A low-power and small-area 60-GHz CMOS transmitter with oscillator pulling mitigation is presented. The subharmonic injection locking technique for the suppression of pulling effects is analyzed and demonstrated. The transmitter fabricated in a 65nm CMOS process achieves 7.04-Gb/s data rate with an EVM performance of −25 dB in 16QAM. The whole transmitter consumes 210 mW from a 1.2-V supply and occupies...
This paper presents an LC-DCO based synthesizable injection-locked all-digital phase-locked loop. The superior noise performance of the LC-DCO enables the proposed synthesizable PLL to achieve top performance among the existing designs. Fabricated in a 65nm digital CMOS process, the chip occupies a core area of 0.12mm2. The measured integrated jitter is 0.142ps at a carrier of 3.0GHz while consuming...
This paper presents an automatic place-and-routed two-stage fractional-N injection-locked PLL (IL-PLL) using soft injection technique for on-chip clock generation. Fabricated in a 65nm CMOS process, this prototype demonstrates a 3.6-ps integrated jitter at 1.5222 GHz and consumes 3mW leading to an FoM of −224.6 dB while only occupying an area of 0.048 mm2. It realizes the first fully synthesized fractional-N...
Phase-locked loops (PLLs) are a crucial building block in modern Systems-on-Chip (SoCs), which contain microprocessors, I/O interfaces, memories, power management, and communication systems. Fully synthesizable PLLs [1-2], designed using a pure digital design flow, have been proposed to reduce the design cost and allow easier integration. To achieve high-frequency resolution, PLLs are required to...
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