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Dimmable fluorescent lamp ballasts
2013-02-25 06:13:22

Dimmable fluorescent lamp ballasts, including the filter and rectifier circuit connected to the mains, the stepped dimming sampling circuit, a linear and stepless dimming sampling circuit and dimming control circuit; dimming control circuit comprises a stepped dimmingmodules, linear and stepless dimming module, the switch and the circuit controller, the switch will be graded for selectively adjusting the optical module or the linear and stepless dimming module respectively connected to the circuit controller; the present invention will be stepped dimmingand linear and stepless dimming integrated in the ballast of a fluorescent lamp, depending on the dimming requirements, the fluorescent lamp can easily through the the thyristor phase modulation dimmer or a power switch to achieve linear and stepless dimmingor grading dimming.


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