Why is there a delay in my new light coming on?

i see no reason a cuircuit like the one at http://members.misty.com/don/linefl.gif couldn't be dimmed as long as you maintain enough voltage to stop the arc in the tube collapsing. Its just an artrangement of passives and diodes.

i think the main issue with cfls and dimmers is that the dimmers sometimes interact badly with the cuircuits in the bulbs not that the bulbs cannot be dimmed. Its hard to design something to work predectiblly when connected in series with an unpredictable load and with no seperate power supply for the control logic.
 
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plugwash said:
i see no reason a cuircuit like the one at http://members.misty.com/don/linefl.gif couldn't be dimmed as long as you maintain enough voltage to stop the arc in the tube collapsing. Its just an artrangement of passives and diodes.

i think the main issue with cfls and dimmers is that the dimmers sometimes interact badly with the cuircuits in the bulbs not that the bulbs cannot be dimmed. Its hard to design something to work predectiblly when connected in series with an unpredictable load and with no seperate power supply for the control logic.
it not the driver circuit alone thats the problem but the linking to a dimmer, in maintaining correct timing and triggering of the circuit , it ( the dimmer) may not perform properly if it sees no load for starters with the triac output "leaking". The capacitance of the attached circuit unless balanced by a dummy load or alternative (usually not incorporated in domestic dimmers)circuitry may hinder the timed output and therefore the dimming action.
 

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