X3C25P1-05S RF/IF and RFID

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RF directional couplers are frequently used in many applications where it is necessary to sample an RF signal without disconnecting the system, or to divide an RF power signal into two power ports with only one port supplied with RF power. The X3C25P1-05S RF Directional Coupler is a small-sized surface mount device (SMD) that provides excellent isolation, tight channel-to-channel tracking, low insertion loss, high directivity, good return loss, flat frequency response, and low temperature drift. This makes it ideal for communications and power transmission applications.

The X3C25P1-05S RF Directional Coupler works on the principle of impedance matching between the series of coupled cavities. A two section or three section (X3C25P1-05S) cascaded waveguide is used to construct the coupler. Each section of the waveguide is connected to one of the ports on the device. When the energy present in the waveguide section connected to the signal port is applied, the energy is split into two parts – one part goes to the coupled port while the other part is reflected back in the waveguide.

The X3C25P1-05S RF Directional Coupler is used in a variety of applications with high-frequency in the 3 to 6 GHz range, including wireless communications systems, microwave transmitters-receivers, digital television systems, wireless local area networks (WLANs), global positioning systems (GPS) and satellite communication systems. The device is designed to reduce the impact of unwanted signals on transmission lines and can be used to simultaneously measure transmit and receive power distributions. In addition, the coupler can be effectively used for amplifier power control and attenuation to monitor output power and optimize communication efficiency, for antenna beam forming, and direction finding.

The X3C25P1-05S RF Directional Coupler is well suited for a wide variety of applications where it is necessary to take EF measurements without affecting the signals, or to convert RF power from one port to another while maintaining impedance match. This device is very reliable, easy to install, and capable of achieving required performance levels in a variety of RF applications. It is factory-calibrated and available in a variety of configurations that allow for quick installation and operation.

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