Classification of power dividers

The full name of a power divider is a power divider. It is a device that divides the energy of one input signal into two or more outputs with equal or unequal energy. It can also combine the energy of multiple signals into one output. At this time, it is also called Combiner.

The main parameters of the power splitter include frequency range, power handling, distribution loss from main circuit to branch, insertion loss between input and output, isolation between branch ports, and voltage standing wave ratio of each port. Two points should be paid attention to when choosing a power splitter: First, the more output ports, the greater the signal attenuation. Generally, you do not choose a power splitter with more output ports when choosing a power splitter; the second is to carefully check its applicability when choosing a power splitter. Range, the operating frequency range should belong to the KU frequency band, and the input and output impedance is 75.

According to different structures, power dividers can be divided into two categories, passive power dividers and power dividers. The main characteristics of passive power dividers are: stable operation, simple structure, basically no noise; but the access loss is too large. The main characteristics of active power dividers are gain, high isolation, but noise, relatively complex structure, and relatively poor working stability. In addition, the power divider is divided into two power dividers, three power dividers, four power dividers, six power dividers, eight power dividers, and twelve power dividers according to the output ports.

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