A new programmable delay cell with good symmetry for the digital IR-UWB pulse generator

Yi He Yi He,Qiang Si Qiang Si,Chung Len Lee Chung Len Lee,Xiaole Cui Xiaole Cui,Dongmei Xue Dongmei Xue

doi:10.1109/edssc.2014.7061135

A new programmable delay cell with good symmetry for the digital IR-UWB pulse generator

Yi He Yi He, Qiang Si Qiang Si + Show 3 more

https://doi.org/10.1109/edssc.2014.7061135

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Publication Date: Jun 1, 2014

Citations: 1

Affiliation: Peking University

#Pulse Generator #Programmable Cell + Show 8 more

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Abstract

This paper proposes a new programmable delay cell controlled by a 4-bit binary coding inverter array for the digital impulse radio (IR) ultra wide band (UWB) pulse generator. Implemented in a TSMC 0.18µm technology, simulation results show that the proposed circuit can generate a coarse tuning range of pulse width with good symmetry from 118ps to 227ps with different control signal from 0001 to 1111. The UBW pulse generator consumes only 1.6mW at 1Gbit/s data rate when the control signal is 0001 at a VDD voltage of 1.8V and occupies a small area of 162µm*44µm.

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