RF pulse-width-modulation generator employing a delay-locked-loop for a wideband transmitter

Heechai Kang,Venkata S. Rayudu,Ki Yong Kim,Ranjit Gharpurey

2018 Texas Symposium on Wireless and Microwave Circuits and Systems (WMCS)（2018）

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摘要

A delay-locked loop (DLL) based RF-PWM generator is proposed for broadband signal modulation. The approach can be applied to a Cartesian transmitter in combination with a switching output stage. The proposed transmitter architecture is verified in a macro-model simulation, using a signal bandwidth of 40 MHz, at a carrier frequency of 2 GHz.

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关键词

RF PWM,DLL,Wideband digital transmitter,High efficiency transmitter

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