Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Particular stable state circuit
Patent
1997-02-26
2000-07-11
Zweizig, Jeffrey
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Particular stable state circuit
327493, H03K 333
Patent
active
060878711
ABSTRACT:
A pulse generating circuit utilizes a drift step recovery transistor to apply power from a direct current power supply to a pulse forming network when a trigger pulse is applied thereto. The pulse forming network comprises a storage inductor connected in series with the transistor, a series connected separating diode and a drift step recovery diode which are connected in parallel with the storage inductor, a series connected pumping inductor and pumping resistor which together form a pumping circuit connected in parallel with respect to the separating diode, and a load resistor. Current passed via the transistor increases in the storage inductor and the pumping inductor and is blocked by the separating diode to inject electron-hole plasma from the pumping inductor into the drift step recovery diode when the transistor is conducting. The transistor blocks current at the end of the trigger pulse, and the storage inductor reverses polarity to bias the separating diode into a conducting state to extract the plasma from the drift step recovery diode. The drift step recovery diode blocks current after the plasma has been extracted to switch current from the storage inductor into the load resistor to generate a pulse.
REFERENCES:
patent: 3527966 (1970-09-01), Forge
patent: 3676708 (1972-07-01), Uchida
patent: 3764830 (1973-10-01), Blore et al.
patent: 3832568 (1974-08-01), Wang
patent: 4425515 (1984-01-01), Larson
Kardo-Syssoev et al, "Fast Power Switches From Picosecond to Nanosecond time Scale and Their Application to Pulsed Power" presented Jul. 12, 1995 at the 10.sup.th IEEE Pulsed Power Conference, Albuquerque NM.
Efanov Vladimir M.
Kardo-Syssoev Alexei F.
Tchashnikov Igor G.
Zazulin Sergey V.
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