|Although the term “power divider” has been applied to various devices meant to distribute power to a number of outputs, the term power divider here is used in a more restricted sense. A power divider has a single designated input port and more than one output port. All ports are theoretically matched and output ports are isolated from one another. It is usual, but not mandatory, for the transmission from the input port to be identical to all output ports. TRM applies the best use of stripline, coaxial, microstrip, Airstrip™ and lumped element circuit topographies in our power divider designs.Historically, power dividers have most often been 1.2N devices; that is to say that a single input was divided into 2, 4, 8, 16, etc. outputs. Such a device was structurally the interconnection of 0/180° hybrids whose difference ports were terminated, often internally. Three hybrids were required for a 1:4 device, seven for a 1:8 device and in general, 2N outputs required (2N-1) individual two-way divisions. It was early recognized that for large values of 2N, one or more outputs could be terminated without a large loss. For example, an 8-way power divider could be made to serve as a 7-way with something less than a 1 dB loss penalty over the theoretical 7-way splitting loss.|
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