42000

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Insertion Loss:	0.5dB
Frequency:	500MHz ~ 2GHz
Specifications:	Isolation (Min) 20dB
Size / Dimension:	1.900" L x 1.400" W x 0.370" H (48.26mm x 35.56mm x 9.40mm)
Package / Case:	Module

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RF Power Dividers/Splitters

A power divider, also referred to as a power splitter, is a device designed to divide power from a single input source into multiple output sources. When it comes to radio frequency (RF), a power divider is also referred to as a splitter as it is designed to split RF signals from one input into two or more outputs. This is done while preserving the signal source\'s power level and phase characteristics.Depending on the application and configuration, an RF power divider can be constructed using various technologies. These include waveguide, coaxial, printed circuit board (PCB), and surface-mount technology (SMT). This article discusses the working principle and application fields of RF power dividers.

Working Principle

RF power dividers use multiple ports (separate signal input and outputs) to separate an input signal into multiple signals. Basically, a singleport device acts as a gateway between two electrically isolated ports. Each port contains internal circuitry that helps to preserve signal integrity by providing an impedance matching network, which is responsible for preserving power. This ensures that the power level and phase characteristics of the signal remain unchanged.The basic operation of an RF power divider is quite simple. It combines, or \'splits\', an incoming microwave signal into two or more signals, with each signal possessing equal power characteristics. Depending on the type of power divider, the impedance matching network provides an equal level of power to each output port, through impedances that may vary depending on the manufacturer.The same principles of an RF power divider apply to its four-port variant. In this case, the input signal is separated into four separate output ports. When the signal is split in this way, each output port contains slightly less power than the main source, but still possessing an identical phase response.

Application Fields

RF power dividers are typically used in a variety of different applications, including antenna systems, wireless communication networks, testing and measurement systems, and radar systems.In antenna systems, a power divider can be used to route a single-input signal to multiple antennas. This is useful in applications such as direct broadcast satellite (DBS) reception or cellular towers. A power splitter can facilitate signal reception from a single source (e.g. an off-air antenna) and then distribute it to multiple receiving antennas. In wireless communication networks, a power divider can be used to provide equal levels of RF power to multiple transceivers. This increases overall system efficiency by allowing for simultaneous transmission and reception of a single frequency signal.Additionally, a power divider can also be incorporated into a testing and measurement system. It can be used to acquire reliable measurements of incident, reflected, and transmitted RF signals. This can be used for debugging radio frequency systems and ensure consistent performance. Finally, power dividers have also found a home in radar systems. Here, the device can help to improve system efficiency by splitting an incoming signal before being transmitted by multiple antennae. Splitters can also help to improve the gain of the radar system by evenly splitting and distributing power to the antennae.In conclusion, RF power dividers are an essential component of many modern radio frequency systems. They provide an equal level of power to multiple output ports, while at the same time preserving the signal’s power level and phase response. By understanding the working principles of power dividers, one can easily apply them in various application fields such as antenna systems, wireless communication networks, testing and measurement systems, and radar systems.

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