41620

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Insertion Loss:	0.75dB
Frequency:	500MHz ~ 3GHz
Specifications:	Isolation (Min) 15dB
Size / Dimension:	3.750" L x 1.750" W x 0.370" H (95.25mm x 44.45mm x 9.40mm)
Package / Case:	Module

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Introduction

RF power dividers/splitters, also known as power splitters, are electronic devices used to divide power from a single source into multiple output lines. The input and output impedances are typically 50 ohms, although other impedances can be specified. Despite their name, these electronic devices are not power dividers in the traditional mathematical sense. Instead, they rely on RF techniques to accomplish the task of dividing power and sending it to several channels.

41620 Application Field

The 41620 RF power dividers/splitters are used in a variety of communications, power, and measurement applications. These compact, low-cost devices offer superior RF performance as compared with resistive splitter networks and can be employed in wireless local area networks (WLANs), fiber optic systems, satellite and terrestrial communications systems, cellular base stations, and other RF devices.They are also used for power-splitting applications such as a catenary line load-sharing system, multiple-receiver antennas, and monitoring systems.

Working Principle

RF power dividers/splitters use a technique called “balanced power division” to divide power from a single source into multiple, equal output lines. The device consists of a single RF input port which is connected to two output ports, with a third port (referred to as ‘isolator’, ‘diverter’, or ‘dummy load’) connected to a terminator or a resistor to absorb power.The connected ‘isolator’ portion absorbs the power that is not divided between the two output ports, thus ensuring that equal amounts of power are divided evenly into each port. This technique is often employed in active splitters that use amplifiers to provide gain in addition to power division.

Specifications

The type of power divider/splitter used will depend on the system requirements, such as the operating frequency range, isolation, and power. Common specifications of RF power dividers/splitters include insertion loss, VSWR, isolation, power handling, return loss, operating temperature, and output impedance. The power handling refers to the maximum RF power input that the power divider/splitter can handle without distortion. Return loss is the difference between the incident and reflected power, expressed in decibels (dB). Isolation is the minimum level of isolation between two connected ports, expressed in dB.

Conclusion

In summary, RF power dividers/splitters employ a technique known as “balanced power division” to divide power from a single source into multiple, equal output lines. The type of power divider/splitter used will depend on the system requirements, such as the operating frequency range, isolation, power handling, return loss, operating temperature, and output impedance. By design, these devices provide superior RF performance and can be deployed in a variety of communications, power, and measurement applications.

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