Electronic ballast circuit
An electronic ballast circuit for a lower pressure lamp wherein a voltage divider network coupled by a capacitor and directly coupled to an AC source is shunted by a series connected transistor switch and capacitor filter, and the switch is coupled by a diode to a lamp while a ballast resistor coupl...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An electronic ballast circuit for a lower pressure lamp wherein a voltage divider network coupled by a capacitor and directly coupled to an AC source is shunted by a series connected transistor switch and capacitor filter, and the switch is coupled by a diode to a lamp while a ballast resistor couples the filter capacitor to the lamp. A starter network device includes a glo-bottle starter which couples a transistor switch to the lamp with a resistor coupled to the glo-bottle starter and the transistor switch. |
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