Saleh power divider

Updated November 11, 2005

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New for November 2005! Here's a nifty "quadrature-like" power divider that makes a four-way split where the adjacent outputs are 90 degrees apart in phase. It was invented by Adel Saleh and first published by the IEEE in 1981 in an article entitled Planar Multiport Quadrature-Like Power Dividers/Combiners.

We'll add more to this write-up soon, but meanwhile, here's a model of a four-way Saleh divider and some predicted performance.