Power Splitters

Written by Kevin Little
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Power splitters are designed to turn one signal into many replicas of that same signal. The outcome is much like that of the Miracle of the Loaves and fishes. Where once there was a single signal, now there are many, enough to feed all of the computers or components hungry for RF transmissions.

While such a process may seem miraculous to some extent, the technology behind power splitters is firmly rooted in scientific principles. The best of these devices will produce new signals from all outputs while still making clear transmissions of the original signal. Some specifications to look for when it comes to these units are amplitude, isolation, and insertion loss.

Amplitude, in this case, measures the strength of the multiple outgoing signals. Isolation refers to how well the signal is split, as overlap between the outgoing signals can lead to distorted transmissions. Insertion loss is a gauge of how much of the original signal is lost when it is split by the power unit, a particularly important concern when dealing with split signals.

Other Uses of Power Splitters

Many power splitters can quickly be converted into power combiners simply by turning them around! Such versatility can be useful in host of different RF applications. Make sure to look over the specifications of any device to make sure that a given power splitter/combiner will work for your particular setup.


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