Regulated inverter having a switched output stage and driver cir

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Rectangular or pulse waveform width control

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327175, 363 26, H03K 3017, H03K 504

Patent

active

059735279

ABSTRACT:
A drive arrangement for a switched output stage, such as an output stage of a gradient intensifier of a tomography apparatus has a pulse-width modulator and drive logic for producing at least two drive signals. The drive logic produces, for each drive signal, an edge of each on-phase pulse at a time made fixed corresponding to a time reference clock signal thereby allowing a fine adjustment of the on-phase of the power transistors of the switched output stage with low components costs, and a prescribed dead time between the individual on-phases is reliably adhered to.

REFERENCES:
patent: 4843532 (1989-06-01), Freedman
patent: 5515258 (1996-05-01), Viertler
"Zuverlassiger Betrieb von MOSFETs in Bruckenschaltungen," Hassig et al., Elektronik, vol. 10, Mar. 12, 1989, pp. 55-63.

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