A Dynamically Biased Multiband 2G/3G/4G Cellular Transmitter in 28 nm CMOS.

Siddharth Seth,Dae Hyun Kwon,Sriramkumar Venugopalan,Sang Won Son,Yongrong Zuo,Venumadhav Bhagavatula,Jaehyun Lim,Dongjin Oh,Thomas Byunghak Cho

IEEE Journal of Solid-State Circuits（2016）

引用 30|浏览144

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摘要

We present a highly configurable, low-power, low-area, low-EVM, SAW-less transmitter (TX) architecture that is based on a dynamically biased power mixer. All FDD/TDD bands from 0.7 to 2.7 GHz for 4G LTE Rel-11 and 3G HSPA+ are supported in addition to 2G quad bands. The power-mixer bias current is dynamically adjusted based on the instantaneous baseband signal swing using a fully-differential hybr...

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关键词

Baseband,Mixers,Radio frequency,Peak to average power ratio,Gain,Transmitters,Transistors

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