A 13.6-69.1GHz 5.6mW Ring-Type Injection-Locked Frequency Divider by Five with &gt;20% Continuous Locking Range and Operation up to 101.6GHz in 28nm CMOS

Garghetti, Alessandro; Lacaita, A.L.; Seebacher, David; Bassi, Matteo; Levantino, Salvatore

doi:10.1109/cicc51472.2021.9431565

Cited by 4 publications

(1 citation statement)

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“…Several broadband mm‐wave integrated circuit modules, such as low noise amplifiers, 5 frequency divider, 6 and power amplifiers, 7 have been reported. However, the high‐performance wideband frequency synthesizer is rarely studied, which makes it difficult to realize multiband mm‐wave transceivers.…”

Section: Introductionmentioning

confidence: 99%

A 22.7‐ to 44.2‐GHz Darlington dual‐injection injection‐locked frequency tripler with >35dBc harmonic rejection for multiband 5G communication systems

Wang²,

Qian

et al. 2021

Circuit Theory & Apps

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This paper presents an ultra-wideband varactor-less injection-locked frequency tripler (ILFT) based on Darlington dual-injection topology targeting millimeter-wave multiband fifth generation (5G) communication systems. By utilizing the proposed Darlington dual-injection injector, the current injection efficiency is improved; thus, the locking range is extended significantly without introducing the varactors. In addition, the Darlington dual-injection topology enhances the harmonic rejection performance by suppressing undesired harmonics. Implemented in 65-nm CMOS (Complementary Metal Oxide Semiconductor) technology, the proposed ILFT can operate from 22.7 to 44.2 GHz and consumes 6.2 mA at 1.2 V supply voltage. The harmonics rejection is more than 35 dBc and occupies 0.17 mm 2 .

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Section: Introductionmentioning

confidence: 99%