Circuit arrangement having LC parallel tuned drive circuitry

Details Circuit arrangement having LC parallel tuned drive circuitry Circuit arrangement having LC parallel tuned drive circuitry

1996-12-12

1999-07-20

Kinkead, Arnold

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Periodic switch in the primary circuit of the supply...

315209R, 315224, H05B 3702

Patent

active

059259841

ABSTRACT:
The invention relates to a circuit arrangement for operating a lamp (EL), particular a low-pressure discharge lamp, with a load circuit which has at least one inductor (L2) and at least one capacitor (C7, C8, C9), and with an invertor which may be configured as a half-bridge arrangement with two switching elements (T1, T2), and with a drive circuit (AS) for driving the switching elements (T1, T2). The invention provides that the drive circuit (AS) has at least one LC parallel tuned circuit (L3C3, L4C4). The circuit arrangement according to the invention can be produced without separate cost-intensive wound parts.

REFERENCES:
patent: 5349270 (1994-09-01), Roll et al.
patent: 5424615 (1995-06-01), Kang
patent: 5424616 (1995-06-01), Reijnaerts
patent: 5438243 (1995-08-01), Kong
patent: 5559405 (1996-09-01), Otohamiprodjo
Elektronik-schaltungen, Hirschmann, pp. 148-151, 1982.

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