CP0805A1280BWTR

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A RF directional coupler is a device that is used within communication systems for monitoring and coupling power of a transmitted or received signal. RF directional coupler can be a two-way device or a four-way device. The two-way device is used primarily for monitoring signals while the four-way device is used for the additional purpose of power coupling. The CP0805A1280BWTR is a two-way RF directional coupler.

The CP0805A1280BWTR model is used for RF signal applications in cell phone base stations, aerospace and defense applications, and high-frequency circuit development. It is based on multi-layer ferrite core concepts and has a compact size of 0.8mm×0.5mm×1.3mm. This device is rated for frequencies up to 2.5 GHz and a nominal coupling value of 12 dB, with a frequency range of DC to 2.5 GHz. It also provides an insertion loss of ≤ 0.25 dB and isolation of ≥ 30 dB over a wide range of frequencies.

The RF directional coupler works by passing the signal through a four-port junction. The four ports, marked A, B, C, and D, are made up of two sets of coils connected in series. The A ports are the input ports while the B ports are the output ports. The C and D ports are connected to the additional device which will be used for monitoring. The signal is fed into the A port and then pass through the C port which is then coupled and passed through both the B and D ports. This allows energy to be transferred from the A port to the D port as well as the B port.

The CP0805A1280BWTR provides excellent linearity and high return loss. It also has excellent power handling capacity and wide operating bandwidth. As it operates in the 2.5 GHz frequency range, it also has low temperature coefficient for output coupling value and low intermodulation distortion. Additionally, the CP0805A1280BWTR is hermetically sealed and is designed to minimize harmonic distortion.

The CP0805A1280BWTR is used mainly in base station and military application, where signal integrity, power handling, isolation and linearity are critical. It is used for power monitoring and coupling and provides excellent performance in these application. Due to its small size and good performance characteristics, it is also used in other communications systems such as remote sensors and high-end consumer electronics.

In summary, the CP0805A1280BWTR is a two-way RF directivity coupler that is used primarily for monitoring signals in cell phone base stations, aerospace and defense applications, and in other communication systems. It has a wide operating bandwidth, excellent linearity and return loss, high power handling capacity, and low temperature coefficient. It provides excellent performance in base station and military applications, as well as remote sensors and consumer electronics.

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