H - Electricity – 03 – K
Patent
H - Electricity
03
K
323/11
H03K 5/01 (2006.01) H03K 3/57 (2006.01) H03K 5/07 (2006.01) H03K 5/12 (2006.01)
Patent
CA 1192610
PULSE SHAPING AND AMPLIFYING CIRCUIT ABSTRACT OF THE DISCLOSURE A pulse shaping and amplifying circuit receives direct current electrical power from a source and serves to supply a pulse of electrical energy to a load. First and second switches (e.g., transistor switches) are interconnected such that only one is conductive at any one time. The first switch, when conductive serves to connect a capacitor which forms part of an oscillatory circuit, further including an inductor in the form of a transformer primary winding, to the source to place an electrical charge on that capacitor in a first direction. When the second switch is rendered conductive (and the first opened) the load is connected in circuit with the oscillatory circuit and the capacitor discharges to deliver a pulse of electrical power to the load with any excess power being utilized to charge the capacitor in the second direction. A flyback current path including a transformer secondary winding, closely coupled to the primary winding, and a diode is connected in parallel with the capacitor such that the capacitor again changes direction of charge to thus be charges in the direction for supplying the next pulse to the load. If desired, a second capacitor may be connected in parallel with the oscillatory circuit to improve the rise time of the pulse supplied to the load.
410696
Company General Electric
Eckersley Raymond A.
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