| 摘要 |
<p>A frequency modulated converter with series-parallel resonance has a transistor (Q) in a series between the negative electrode of a direct voltage source and a first terminal of an inductor (L) the second terminal of which is connected to the primary winding (P) in a transformer (T). The converter comprises a first resonance capacitor (C1) and a rectifier diode provided respectively in parallel branches across the charge emitting and the charge receiving electrode of the transistor (Q). A second resonant capacitor (C3) is provided across the electrode of the voltage source and connected in series with the inductor (L) via the diode (D2). The transformer (T), the inductor (L) and the capacitors (C1, C3) constitute an RCL resonator operating in series-parallel to the transistor (Q). The converter is suitable for driving any ohmic or inductive load, including gas discharge tubes.</p> |
