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SRD Based Compact Monocycle Pulse Generator

[ Vol. 11 , Issue. 4 ]

Author(s):

Huimin Yu and Zhiping Liu*   Pages 392 - 396 ( 5 )

Abstract:


Background: This paper presents a novel Ultra-Wideband (UWB) balanced sub-nanosecond monocycle pulse generator sing Step Recovery Diodes (SRD) for an inter/intra-chip wireless interconnect communication system.

Methods: The new UWB monocycle pulse generator has been simulated using Advanced Design System (ADS). This pulse generator employs wideband microwave bipolar transistor, transmission line, Schottky diodes and compact charging and discharging circuitry. Simple transient analysis and design of the circuit are presented along with their operating principles. The pulse generator produces truly balanced monocycle pulse having 200-ps pulsewidth, 2V peak voltage and 10-MHz repetition rate.

Results: The generated monocycle pulses also have very symmetrical positive and negative portions and low ringing level.

Conclusion: It can be used as both transmitter feeding UWB balanced antennas without broadband balun and UWB receiver balanced pulse generator that switches the sampling gate which commonly consists of two or four Schottky diode.

Keywords:

Transmission line, ultra wideband, step recovery diode, SRD, UWB pulse design, energy bond.

Affiliation:

College of Physics and Information Science, Hunan Normal University, Changsha, 410081, College of Physics and Information Science, Hunan Normal University, Changsha, 410081

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