Capacitive load drive circuit and method

Details Capacitive load drive circuit and method Capacitive load drive circuit and method

1997-03-07

1999-08-10

Luu, Matthew

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 87, 345212, G09G 330

Patent

active

059365986

ABSTRACT:
A drive circuit is provided which enables low-power-consumption drive of even a low-voltage capacitive load. The drive circuit used has a capacitance, one end of which is grounded and other end of which is connected in series via an analog switching circuit to one end of an inductive element, thereby forming a series LC resonant circuit, the other end of the inductive element being connected to one end of a capacitive load, the other end of which is grounded, a PMOS switching element being connected between the ungrounded end of the above-noted load capacitance and a positive drive voltage supply and an NMOS switching element being connected between the ungrounded end of the load capacitance and a ground terminal.

REFERENCES:
patent: 5786794 (1998-07-01), Kishi et al.
patent: 5847516 (1998-12-01), Kishita et al.
Energy Recovery Sustain Circuit for the AC Plasma Display, Larry F. Weber and Mark B. Wood, University of Illinois at Urbana-Champaign, Urbana,IL, SID 87 Digest pp. 92-95.

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