Note: Picosecond impulse generator driven by cascaded step recovery diode pulse shaping circuit

Gil Wong Choi; Jin Joo Choi; Seung Hoon Han

doi:10.1063/1.3523342

Note: Picosecond impulse generator driven by cascaded step recovery diode pulse shaping circuit

Rev Sci Instrum. 2011 Jan;82(1):016106. doi: 10.1063/1.3523342.

Authors

Gil Wong Choi¹, Jin Joo Choi, Seung Hoon Han

Affiliation

¹ Department of Wireless Communications Engineering, Kwangwoon University, Wolgye-Dong, Nowon-Gu, Seoul, South Korea. roadbear@kw.ac.kr

PMID: 21280869
DOI: 10.1063/1.3523342

Abstract

In this paper, a picosecond impulse generator using step recovery diodes (SRDs) is presented. In order to reduce the pulse width of an impulse generator, we employed a cascaded SRD pulse-shaping circuit. A short impulse generation is confirmed in numerical simulation of a time-transient circuit simulator. Measurements show that the measured pulse width of the cascaded SRD impulse generator is 250 ps at 10% of the peak amplitude, which is improved by 85 ps compared with a conventional SRD impulse generator.