Capacitive load driving apparatus

Details Capacitive load driving apparatus Capacitive load driving apparatus

1988-12-20

1990-10-30

Callahan, Timothy P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307246, 307570, 307242, H03K 302, H03K 326

Patent

active

049671006

ABSTRACT:
A capacitive load driving apparatus which has a plurality of first switching elements connected between a plurality of parallel loads and a first power source terminal for switching currents which charge the loads. There is furthermore provided a plurality of bipolar transistors connected between connecting points (of the first switching elements and the loads) and a second power source terminal for discharging charges stored in the loads and a plurality of second switching elements connected between a third power source terminal and bases of the bipolar transistor, respectively, for switching base currents supplied from the third power source terminal to the bipolar transistors. In addition, the capacitive load driving apparatus has a logic circuit connected to an input terminal for providing driving signals which turn off selectively one or all of the second switching elements in accordance with a signal from the input terminal, and it has a resistor connected between the third power source terminal and the second switching elements.

REFERENCES:
patent: 3751682 (1973-08-01), Howe
patent: 3914628 (1975-10-01), Pao et al.
patent: 4733106 (1988-03-01), Okutsu et al.

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