Dimmers, LEDs, and flashing

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gar

Senior Member
Location
Ann Arbor, Michigan
Occupation
EE
161122-2117 EST

There are two present threads on problems with dimmers, CFLs, LEDs, and interaction between different branch circuits causing some sort of flashing or flickering.

There are a very few conditions where on the bench I can generate some sort of flash or flicker. I have not been able to create a problem similar to what is described in said threads where a different dimmer (different circuit) initiates a problem in another dimmed circuit.

It would be useful if those that have experienced such conditions could get scope traces for us to observe, and accurate circuit and component descriptions. Voltage at the dimmer inputs, and outputs are needed. Current might also be useful.

.
 
161122-2117 EST

There are two present threads on problems with dimmers, CFLs, LEDs, and interaction between different branch circuits causing some sort of flashing or flickering.

There are a very few conditions where on the bench I can generate some sort of flash or flicker. I have not been able to create a problem similar to what is described in said threads where a different dimmer (different circuit) initiates a problem in another dimmed circuit.

It would be useful if those that have experienced such conditions could get scope traces for us to observe, and accurate circuit and component descriptions. Voltage at the dimmer inputs, and outputs are needed. Current might also be useful.

.

Agreed. and a video clip would be worth a thousand words
 
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