CP0805A0881EWTR

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RF direction couplers are a type of device which are used to split, combine, or measure the power levels of signals sent and received over a wireless communication link. The CP0805A0881EWTR is one such device, designed to meet the requirements of a wide range of applications. This article will look at its various application fields, along with its working principle.

Application Field of CP0805A0881EWTR

The CP0805A0881EWTR is a wideband RF directional coupler, designed to offer wide frequency coverage ranging from 0.8-8GHz. It is suitable for use in a variety of applications, including antenna switch diplexer applications, mobile communications, base station antennas, and satellite systems.

The device has an insertion loss of up to 0.7dB, and maximum coupling values of up to 20dB with very low coupling flatness. This makes it well suited for providing operational measurements such as return loss, and for providing measurements for amplifier gain, AGC, or any other ‘balanced’ system.

It is also capable of delivering very good isolation performance of up to 90dB, making it ideal for power combiner and splitter applications.

The CP0805A0881EWTR can be used in a number of antenna combiner/splitter applications, particularly in multi-modal communication systems. Its wide frequency coverage makes it suitable for both narrow-band and wide-band systems.

Working Principle of CP0805A0881EWTR

The CP0805A0881EWTR is a wideband RF directional coupler, which utilizes a unique type of passive component, known as a three-port coupler. This type of coupler works by providing isolation between ports, while allowing power to be directed from one port to another.

The CP0805A0881EWTR works by utilizing two matching networks, one at the input port, and the second at the output port. These networks are connected via a specialized type of transmission line, known as a waveguide, which serves to maintain maximum isolation between the ports.

The waveguide is designed to direct the power from the input port into the output port, while at the same time preventing power from the output port from being directed back into the input port. This provides maximum isolation between the ports.

The CP0805A0881EWTR also features a unique forward/reverse coupled power monitoring feature, which allows for the real-time measurement of the power levels of both the forward and reverse coupled signals. This feature makes it ideal for applications in which precise power measurement is required.

Conclusion

The CP0805A0881EWTR is a wideband RF directional coupler, designed to meet the needs of a wide range of applications. Its wide frequency coverage, coupled with its high performance characteristics, make it ideal for use in a variety of applications, from antenna switch diplexer applications, to mobile communications, and satellite systems. Its unique three-port coupler and forward/reverse coupled power monitoring features allow it to provide precise power measurements for any ‘balanced’ system or amplifier gain, making it an indispensable tool for any technician or engineer.

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