An ultra-low power configurable IR-UWB transmitter in 130 nm CMOS

Abstract

In this paper, an ultra-low power and configurable IR-UWB transmitter is presented. The center frequency can be tuned from 500 MHz to 4.1 GHz. The configurability is achieved by the digitally programmable shunt capacitor delay elements. Shift registers are used to configure the delay lines and to minimize the number of pins used. The transmitter is capable of achieving 600 MHz pulse repetition frequency (PRF) with a 9.6 pJ/pulse performance at 4 GHz center frequency in the 3.1–5 GHz band. The standby power consumption is $$1.8\,\upmu \hbox {W}$$ .