CP0805A0902AWTR

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RF Directional Couplers are passive devices used to sample a signal for measurement and monitoring applications. The CP0805A0902AWTR is a miniature 0.012" pitch 8-Pin Surface Mount Directional Coupler with a 50Ω impedance, operating from 450MHz to 2.7GHz. It has a high directivity of 40dB and an insertion loss of 1.3dB. This miniaturized device provides a convenient solution for a wide range of RF signal sampling needs.

Its versatile design enables it to be used in different applications, such as cable/satellite TV, power line modulation, and cellular/Wi-Fi communications, as well as for test equipment, military and industrial radio communications. The CP0805A0902AWTR can be used in circuits such as directional antennas, antenna diversity, and power dividers.

The working principle of the device is based on the principle of a reciprocal directional coupler. A directional coupler is a type of device that passes energy flowing in one direction while being substantially impervious to energy flowing in the opposite direction. The CP0805A0902AWTR consists of two directional couplers connected in series, with the input (or forward) side connected to a sample port, and the output (or reverse) side connected to an output port.

When RF signals are applied to the input port, some of the energy will be sampled at the sample port according to the device’s directional characteristics. The signal at the sample port is then amplified and can be used as an input for various measurement and monitoring circuits used in a wide variety of applications.

In addition to its space-saving design, the CP0805A0902AWTR is also extremely robust. The device features a high Q value at 2.5GHz, making it capable of withstanding temperature extremes and harsh environmental conditions. This makes it an ideal choice for use in a variety of applications, from wireless communications to aerospace and defense systems.

The CP0805A0902AWTR is a versatile miniature directional coupler boasting high directivity, low insertion loss, and a high Q factor. Its simple design and miniature size enable it to be used in a variety of applications where convenience, robustness, and space are of utmost importance. While mainly used for sampling RF signals for monitoring and measurement purposes, its versatile design makes it suitable for applications such as cable/satellite TV, power line modulation, and cellular/Wi-Fi communications.

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