| 摘要 |
<p>A voltage pulse train generator which may find application to control of an ultrasound piezoelectric injector, and including a voltage source providing a DC initial voltage, a DC/DC converter supplied with the initial voltage and configured to charge a capacitor according to an intermediate DC voltage greater than the initial voltage, a DC/AC converter operating by switching, by alternating active phases and inactive phases, which is configured to transform the intermediate voltage from the capacitor into a final voltage pulse train, and a control unit provided for driving the converters. The DC/DC converter is configured to operate to charge the capacitor at a same time as the DC/AC converter, at most during the inactive phases of the switching of the DC/AC converter.</p> |
