| 摘要 |
An igniter circuit ( 140 ) for an electronic lamp driver ( 100 ) for driving a gas discharge lamp ( 6 ) is described, the igniter circuit comprising: first and second supply input terminals ( 102, 103 ); a switch branch ( 110 ) comprising a first controllable ignition switch ( 111 ) and a second controllable ignition switch ( 112 ) connected in series between said first and second supply input terminals ( 102, 103 ); a transformer ( 33 ) having a primary winding ( 41 ) and a secondary winding ( 32 ); an igniter coil ( 42 ) connected in series with said primary transformer winding ( 41 ), this series arrangement having one end ( 42 b) connected to a node (D) between said two controllable ignition switches ( 111, 112 ); a storage capacitor ( 44 ) connected between another end ( 41 b) of said series arrangement and one of the supply input terminals ( 102, 103 ).
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