New uniplanar subnanosecond monocycle pulse generator and transformer for time-domain microwave applications
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This paper presents the development of a new monocycle pulse generator and pulse-to-monocycle-pulse transformer operating in the subnanosecond regime. These circuits employ Schottky diodes, step recovery diodes, and simple charging and discharging circuitry, and are completely fabricated using coplanar waveguides. Simple transient analysis and design of the circuits are presented along with their operating principles. The pulse-to-monocycle-pulse transformer converts a 1-V 300-ps pulse into a 0.7-V 350-ps monocycle pulse. The monocycle pulse generator produces a monocycle pulse having 333-ps pulsewidth and more than 2 V from an input square wave of 10-MHz repetition rate. The generated monocycle pulses have very symmetrical positive and negative portions and low ringing level.
IEEE Transactions on Microwave Theory and Techniques
author list (cited authors)
Jeong Soo Lee, .., Nguyen, C., & Scullion, T.
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