Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Amplitude control
Patent
1998-02-17
2000-07-18
Zweizig, Jeffrey
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Amplitude control
327110, 327309, H03L 500
Patent
active
06091274&
ABSTRACT:
In combination with a transistor designed to drive an inductive load, there is included a network connected between the output electrode (e.g., drain) and the control electrode (e.g., gate) of the transistor for limiting the overshoot and controlling the waveshape of the signal produced at the output electrode of the transistor, when the transistor is being turned-off. The network includes a series string of zener diodes with one or more by-pass capacitors connected across the zener diodes closest to the control electrode of the transistor for shaping the output signal produced at the output electrode of the transistor and for reducing electromagnetic radiation. The network also includes unidirectional conducting elements for discharging each bypass capacitor each time the transistor is turned-on. The zener diodes and the "discharging" unidirectional conducting elements of the network may be formed as integral parts of the same integrated circuit (IC).
REFERENCES:
patent: 5001373 (1991-03-01), Bator et al.
patent: 5764088 (1998-06-01), Lavieville et al.
patent: 5920224 (1999-07-01), Preslar
Intersil Corporation
Zweizig Jeffrey
LandOfFree
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