Title :
A new programmable delay cell with good symmetry for the digital IR-UWB pulse generator
Author :
Yi He ; Xiaole Cui ; Qiang Si ; Chung Len Lee ; Dongmei Xue
Author_Institution :
Key Lab. of Integrated Microsyst., Peking Univ., Shenzhen, China
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.
Keywords :
CMOS integrated circuits; binary codes; logic gates; programmable circuits; pulse generators; ultra wideband communication; 4-bit binary coding inverter array; bit rate 1 Gbit/s; digital IR-UWB pulse generator; digital impulse radio UWB pulse generator; digital impulse radio ultra wide band pulse generator; power 1.6 mW; programmable delay cell; size 0.18 mum; time 118 ps to 227 ps; voltage 1.8 V; word length 4 bit; Clocks; Delays; Voltage control; Digital UWB pulse generator; Inverter array; Programmable delay cell; Tuning range;
Conference_Titel :
Electron Devices and Solid-State Circuits (EDSSC), 2014 IEEE International Conference on
DOI :
10.1109/EDSSC.2014.7061135
