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A uniplanar picosecond impulse generator based on MESFET and SRD
Author(s) -
Miao Meng,
Nguyen Cam
Publication year - 2003
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.11250
Subject(s) - impulse generator , mesfet , impulse (physics) , pulse generator , microwave , amplitude , materials science , electrical engineering , electronic circuit , picosecond , optoelectronics , electronic engineering , optics , engineering , voltage , physics , laser , telecommunications , transistor , quantum mechanics , field effect transistor
A new compact, low‐cost uniplanar impulse generator using coplanar waveguide structure has been designed, built, and tested. This uniplanar circuit consists of three functions: initial impulse generation, impulse amplification, and impulse compression, which are realized by a step‐recovery diode and two‐stage GaAs MESFET circuits, respectively. The impulse response has an amplitude of 2.3 V and a half‐power pulse width of 115 pS. It has larger amplitude and narrower pulse width than the impulse generated by the SRD circuit alone. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 39: 470–472, 2003
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