DC1417J5005AHF

Series:	Xinger®
Packaging:	Tape & Reel (TR)
Part Status:	Active
Coupler Type:	Standard
Frequency:	1.4GHz ~ 1.7GHz
Coupling Factor:	5.5dB
Applications:	--
Insertion Loss:	0.55dB
Power - Max:	2W
Isolation:	--
Return Loss:	-28dB
Package / Case:	0805 (2012 Metric)
Supplier Device Package:	0805

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RF directional couplers, also known as power dividers and couplers, are widely used in RF and microwave applications, such as in systems where the input and output ports must be physically separated. In certain situations, it is necessary to couple the RF signals to two different ports in a directional way. The DC1417J5005AHF is one such directional coupler designed to solve such tasks.The DC1417J5005AHF is a 3-port devices consisting of input, output, and coupled ports. It is a surface mount component with low profile, measuring only 0.5mm height and having a space-saving 16-pin QFN package. This high-directivity device provides excellent isolation and return loss performance, allowing for reliable signal protection between the input and output ports. With a frequency range of 0.1-4 GHz, it is well suited for a wide range of applications.The primary application for the DC1417J5005AHF is as an RF power coupler, providing a signal at the coupled port in the same direction of the input signal. This enables the RF power to be measured easily without disturbing the original signal. Another application is as a directional multiplexer for combining two signals that are in-phase into one output and separating a single input signal into two outputs that are in-phase.The working principle of the DC1417J5005AHF is based on coupled line topology. Two lightly coupled transmission lines, L1 and L2, form the two arms of a bridge like structure, along with an input and output port. An input signal is applied to the input port, which lights coupled lines due to the coupling coefficient. Part of the signal will be diverted to the output port, while the rest and the reflected energy will terminate at the coupled port. Hence, the coupled port will deliver a signal with phase and amplitude proportional to the input signal, with an 180° phase shift.The DC1417J5005AHF is highly suitable for applications that require RF signal protection and sample measurement, as it can offer superior isolation with low insertion and return losses. Such applications include military radar systems, aircraft communication, and satellite transceivers.To sum up, the DC1417J5005AHF is an RF directional coupler made for demanding applications that require accurate isolation of the input and output ports. With its low profile, high directivity, low insertion and return loss, and wide frequency range, it is an ideal choice for power signal coupling and RF signal protection systems.

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