Series:	Xinger®
Packaging:	Tape & Reel (TR)
Part Status:	Active
Coupler Type:	Standard
Frequency:	1.7GHz ~ 2.2GHz
Coupling Factor:	6dB
Applications:	--
Insertion Loss:	0.5dB
Power - Max:	5W
Isolation:	--
Return Loss:	-24dB
Package / Case:	6-SMD, No Lead
Supplier Device Package:	0805

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Introduction

A DC1722J5005AHF RF directional coupler is an important component in radio frequency (RF) network applications. It provides the ability to measure the forward and reflected signals of an antenna array whilst also providing isolation from transmitters. This type of coupler is also used to separate signal paths and measure the power of a signal at different points in a circuit.

RF Directional Coupler Description

The DC1722J5005AHF is a 3-port RF directional coupler designed to measure the forward and reverse power of an RF antenna array while providing 50 Ω impedance across all ports. This type of coupler is constructed from a combination of directional coupler sections and waveguide components which provide isolation between the output and input ports and limit the amount of reverse power that reaches the antenna array. This design enables the DC1722J5005AHF to provide high-precision measurements and high-level isolation.The device is rated at 28V, has an operating frequency range of 24 to 38 GHz and provides a maximum power handling of 500 mW. It also provides isolation of up to 95 dB and an insertion loss of just 0.1 dB. The device also contains a filter section which helps reduce harmonics and spurious signals while also aiding the accuracy of the measurements being taken.

Applications

The DC1722J5005AHF RF directional coupler is designed to be used in a wide variety of applications. Its ability to measure the forward and reflected signals of an antenna array whilst providing high isolation between the two makes it an ideal component in wireless communications systems. It is also useful for monitoring RF signals in order to identify system errors and anomalies.The device is used in radio frequency (RF) signal analysis, radar test and measurement, broadcast television, and military and aerospace systems. It is also suitable for use in ground-based antenna systems and satellite communications.

Working Principle

The working principle of the DC1722J5005AHF RF directional coupler is based on the principle of waveguide section coupling. A waveguide section provides the ability to separate out the forward and reverse power of a signal and route it to the output and input ports. This type of coupler is designed to only allow a portion of the transmitted power to reach the output port while simultaneously allowing the reverse power to be measured. The output signal is isolated from the input signal and is therefore free from interference caused by harmonic currents and spurious signals. This type of directional coupler also provides high RF power handling and isolation between ports, making it ideal for use in radio frequency applications.

Conclusion

The DC1722J5005AHF RF directional coupler is an important component in radio frequency (RF) network applications. It provides the ability to measure the forward and reflected signals of an antenna array whilst also providing isolation from transmitters. This type of coupler is constructed from a combination of directional coupler sections and waveguide components; it is rated at 28V, has an operating frequency range of 24 to 38 GHz and provides a maximum power handling of 500 mW.This type of directional coupler is used in a variety of applications such as radio frequency signal analysis, radar test and measurement, broadcast television, and military and aerospace systems. It also works on the principle of waveguide section coupling and provides high isolation between ports. These features make the DC1722J5005AHF RF directional coupler an ideal choice for RF network applications.

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