Title :
Solid-state kicker pulser for DARHT-2
Author :
Cook, E.G. ; Lee, B.S. ; Hawkins, S.A. ; Anaya, E.M. ; Allen, F.V. ; Hickman, B.C. ; Sullivan, J.S. ; Brooksby, C.A.
Author_Institution :
Lawrence Livermore Nat. Lab., CA, USA
Abstract :
To replace a hard tube design, a solid-state kicker pulser for the Dual-Axis Radiographic Hydrodynamic Test facility (DARHT-2) has been designed and tested. This kicker modulator uses multiple solid-state modules stacked in an inductive-adder configuration where the energy is switched into each section of the adder by a parallel array of MOSFETs. The modulator features very fast rise and fall times, pulse width agility and a high pulse-repetition rate in burst mode. The modulator can drive a 50 /spl Omega/ load with voltages up to 20 kV and can be easily configured for either positive or negative polarity. The presentation includes test and operational data.
Keywords :
beam handling equipment; electron accelerators; power MOSFET; pulse generators; pulsed power supplies; transformers; 20 kV; 50 ohm; DARHT-2; Dual-Axis Radiographic Hydrodynamic Test facility; burst mode; energy switching; hard tube design; high pulse-repetition rate; inductive-adder configuration; kicker modulator; multiple solid-state modules; negative polarity; parallel MOSFET array; positive polarity; solid-state kicker pulser; transformer design; EMP radiation effects; MOSFETs; Modulation coding; Pulse modulation; Pulse width modulation; Radiography; Solid state circuits; Space vector pulse width modulation; Testing; Voltage;
Conference_Titel :
Pulsed Power Plasma Science, 2001. PPPS-2001. Digest of Technical Papers
Conference_Location :
Las Vegas, NV, USA
Print_ISBN :
0-7803-7120-8
DOI :
10.1109/PPPS.2001.1002175
