[TowerTalk] RE : Query RFI

[hermans]

Those who own the Math. Will tell you have a look at the FOURIER Series...
If I remember well, a square wave generates very high pieks odd
harmonics.The higher the harmonic the higher the piek.
At least fourty years ago..........hi hi

Jos on4kj 



As Dave has already said, Dimmers do make noise. Generally they are nothing 
more than a triac (bi-directional SCR) and create a terrible wave form.