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206 IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, VOL. 12, NO. 6, JUNE 2002 A New Ultra-Wideband, Ultra-Short Monocycle
 

Summary: 206 IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, VOL. 12, NO. 6, JUNE 2002
A New Ultra-Wideband, Ultra-Short Monocycle
Pulse Generator With Reduced Ringing
Jeongwoo Han and Cam Nguyen
Abstract--We introduce a new ultra-wideband (UWB),
ultra-short, step recovery diode monocycle pulse generator. This
pulse generator uses a simple RC high-pass filter as a differen-
tiator to generate the monocycle pulse directly. The pulse-shaping
network employs a resistive circuit to achieve UWB matching
and substantial removal of the pulse ringing, and rectifying and
switching diodes to further suppress the ringing. An ultra-short
monocycle pulse of 300-ps pulse duration, 17-dB ringing level,
and good symmetry has been demonstrated. Good agreement
between the measured and calculated results was achieved.
Index Terms--Pulse generator, transmitter, ultra-wideband
system, MIC.
I. INTRODUCTION
ULTRA-WIDEBAND (UWB), ultra-short pulse genera-
tion--usually in the range of subnanoseconds--is a main
issue in UWB radar and communications systems. In these

  

Source: Arslan, Hüseyin - Department of Electrical Engineering, University of South Florida

 

Collections: Engineering