A SiGe HBT Low-Power Pulse Generator for Impulse Radio Ultra-wide Band Applications
In this paper a compact ultra-wide band (UWB) pulse generator using SiGe HBT technology is presented. The proposed circuit uses a simple circuitry to generate a current spike on chip, which in turn triggers an under-damped resonant circuit. The generated pulses, whose shape is similar to the fifth order derivative of a Gaussian pulse with =60 ps, have a short time-domain extension of 200 ps FWHM (full width at half maximum), allowing very high repetition rates up to 1.5 GHz (200 MHz is used in the experiments). The spectrum of the generated pulse train is centered around 6 GHz with a 10-dB bandwidth of 5.6 GHz, which complies well with the FCC spectral mask for indoor UWB devices. In the time domain, pulses have a peakpeak amplitude of 120mV. The power consumption is 4.6mW at 200 MHz, and 6mW at 1.5 GHz pulse repetition rates. This compact design occupies a chip size of 0.18mm2 including pads.
Dayang Lin Bernd Schleicher Andreas Trasser Hermann Schumacher
Institute of Electron Devices and Circuits, University of Ulm, Albert-Einstein-Allee 45,89081 Ulm, Germany
国际会议
南京
英文
1-4
2010-09-20（万方平台首次上网日期，不代表论文的发表时间）