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Ultra-wideband n-bit digitally tunable pulse generator

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2 Author(s)
Yilmaz, S. ; Dept. of Telecommun. Eng., Sabanci Univ., Istanbul, Turkey ; Tekin, I.

This paper presents a low-cost ultra-wideband (UWB) pulse generator that can vary the pulse duration digitally by using a step recovery diode (SRD), microstrip transmission lines and PIN diodes. First, a sharp edge is generated by using a SRD. Through the use of transmission lines and the PIN diodes, a pulse is formed from the sharp edge. Based on the number of transmission lines (N), the duration of the pulse can be varied in 2N steps. The UWB pulse generator circuit is implemented on FR-4 substrate using microstrip line technology and UWB pulses with durations of 550 to 1750 psec are measured.

Published in:

Ultra-Wideband, 2005. ICU 2005. 2005 IEEE International Conference on

Date of Conference:

5-8 Sept. 2005

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